Advantys STB
INTERBUS Basic
Network Interface Module
Applications Guide
890USE19600 Version 1.0
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Table of Contents
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
About the Book. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Chapter 1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
What Is Advantys STB? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
What Is a Network Interface Module?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
About INTERBUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Chapter 2 The STB NIB 1010 Basic NIM Module . . . . . . . . . . . . . . . . . . . .17
External Features of the STB NIB 1010 NIM . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
STB NIB 1010 Fieldbus Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
LED Physical Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Power Supply Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Logic Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Selecting a Source Power Supply for the Island’s Logic Power Bus. . . . . . . . . . 27
STB NIB 1010 Module Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Chapter 3 Configuring the Island Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Auto-Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Auto-Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
The RST Button. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Island Fallback Scenarios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Chapter 4 Fieldbus Communications Support . . . . . . . . . . . . . . . . . . . . .35
The INTERBUS ID Code. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Data Exchange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
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Chapter 5 Application Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Sample Island Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Network Configuration Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Using SyCon to Configure an STB Island on INTERBUS . . . . . . . . . . . . . . . . . . 46
Using CMD to Configure an STB Island on INTERBUS . . . . . . . . . . . . . . . . . . . 50
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
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Safety Information
§
Important Information
NOTICE
Read these instructions carefully, and look at the equipment to become familiar with
the device before trying to install, operate, or maintain it. The following special
messages may appear throughout this documentation or on the equipment to warn
of potential hazards or to call attention to information that clarifies or simplifies a
procedure.
The addition of this symbol to a Danger or Warning safety label indicates
that an electrical hazard exists, which will result in personal injury if the
instructions are not followed.
This is the safety alert symbol. It is used to alert you to potential personal
injury hazards. Obey all safety messages that follow this symbol to avoid
possible injury or death.
DANGER
DANGER indicates an imminently hazardous situation, which, if not avoided, will
result in death, serious injury, or equipment damage.
WARNING
WARNING indicates a potentially hazardous situation, which, if not avoided, can result
in death, serious injury, or equipment damage.
CAUTION
CAUTION indicates a potentially hazardous situation, which, if not avoided, can result
in injury or equipment damage.
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Safety Information
PLEASE NOTE
Electrical equipment should be serviced only by qualified personnel.
No responsibility is assumed by Schneider Electric for any consequences arising out
of the use of this material. This document is not intended as an instruction manual
for untrained persons.
© 2004 Schneider Electric. All Rights Reserved.
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About the Book
At a Glance
Document Scope This guide describes the specific functionality of the STB NIB 1010, the Advantys
STB basic network interface module to an INTERBUS network. To assist you with
setting up your Advantys STB island on an INTERBUS network, extensive, real-
world INTERBUS application examples are included. These instructions assume the
reader has a working familiarity with the INTERBUS fieldbus protocol.
This guide includes the following information about the STB NIB 1010:
role in an INTERBUS network
role as the gateway to Advantys STB island
external and internal interfaces
flash memory
integrated power supply
auto-configuration
island bus scanner functionality
data exchange between the island and the master
diagnostic messages
specifications
Validity Note
The data and illustrations found in this book are not binding. We reserve the right to
modify our products in line with our policy of continuous product development. The
information in this document is subject to change without notice and should not be
construed as a commitment by Schneider Electric.
Related
Documents
Title of Documentation
Reference Number
890USE17100
The Advantys STB System Planning and Installation Guide
The Advantys STB Hardware Components Reference Guide
890USE17200
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About the Book
Product Related
Warnings
Schneider Electric assumes no responsibility for any errors that may appear in this
document. If you have any suggestions for improvements or amendments or have
found errors in this publication, please notify us.
No part of this document may be reproduced in any form or by any means, electronic
or mechanical, including photocopying, without express written permission of
Schneider Electric.
All pertinent state, regional, and local safety regulations must be observed when
installing and using this product. For reasons of safety and to assure compliance
with documented system data, only the manufacturer should perform repairs to
components.
When controllers are used for applications with technical safety requirements,
please follow the relevant instructions.
Failure to use Schneider Electric software or approved software with our hardware
products may result in improper operating results.
Failure to observe this product related warning can result in injury or equipment
damage.
User Comments
We welcome your comments about this document. You can reach us by e-mail at
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Introduction
1
At a Glance
Summary
This chapter describes the Advantys STB NIB 1010 basic INTERBUS network
interface module and its role in making the island a node on an INTERBUS open
fieldbus network.
What’s in this
Chapter?
This chapter contains the following topics:
Topic
Page
10
What Is Advantys STB?
What Is a Network Interface Module?
About INTERBUS
11
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Introduction
What Is Advantys STB?
Introduction
Advantys STB is an assembly of distributed I/O, power, and other modules that
function together as an island node on an open fieldbus network. Advantys STB
delivers a highly modular and versatile slice I/O solution for the manufacturing
industry, with a migration path to the process industry.
Island Bus I/O
A basic Advantys STB island can support up to 12 Advantys STB I/O modules. The
only I/O devices that may be used in the basic segment are Advantys STB modules;
preferred modules, standard CANopen devices and Advantys STB extension
modules are not supported.
The Basic
Segment
STB I/O modules may be interconnected in a group called the basic segment. The
basic NIM is the first module in this segment. The basic segment must contain at
least one Advantys STB I/O module and can support as many as 12 addressable
Advantys STB modules, drawing a current load of up to 1.2 A. The segment must
also contain one or more PDMs, which distribute field power to the I/O modules. The
basic segment must be terminated by a 120 Ω termination plate, which ships with
the NIM.
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Introduction
What Is a Network Interface Module?
Purpose
An island of STB I/O modules requires a network interface module (NIM) in the
leftmost location of the basic island. Physically, the NIM is the first (leftmost) module
on the island bus. Functionally, it is the gateway to the island bus—all
communications to and from the island bus pass through the NIM. The NIM also has
an integrated power supply that provides logic power to the island modules.
The Fieldbus
Network
An island bus is a node of distributed I/O on an open fieldbus network, and the NIM
is the island’s interface to that network. The NIM supports data transfers over the
fieldbus network between the island and the fieldbus master.
The physical design of the NIM makes it compatible with both an Advantys STB
island and your specific fieldbus master. Whereas the fieldbus connector on each
NIM type may differ, the location on the module front panel is essentially the same.
Other NIM connectors, such as the power supply interface, are identical for all NIM
types.
Communications
Roles
The NIM manages the exchange of input and output data between the island and
the fieldbus master. Input data, stored in native island bus format, is converted to a
fieldbus-specific format that can be read by the fieldbus master. Output data written
to the NIM by the master is sent across the island bus to update the output modules
and is automatically reformatted.
Integrated Power The NIM’s built-in 24-to-5 VDC power supply provides logic power to the I/O
Supply
modules on the basic segment of the island bus. The power supply requires a
24 VDC external power source. It converts the 24 VDC to 5 V of logic power,
providing 1.2 A of current to the island. Individual STB I/O modules in an island
segment generally draw a current load of between 50 and 90 mA. (Consult the
Advantys STB Hardware Components Reference Guide [890 USE 172] for a
particular module’s specifications.)
A basic NIM supports up to 12 Advantys STB I/O modules.
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Introduction
Structural
Overview
The following figure illustrates the multiple roles of the NIM. The figure provides a
network view and a physical representation of the island bus:
1
2
3
4
5
6
7
fieldbus master
external 24 VDC power supply, the source for logic power on the island
power distribution module (PDM)
island node
island bus terminator plate
other nodes on the fieldbus network
fieldbus network terminator (if required)
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Introduction
About INTERBUS
Introduction
INTERBUS implements a master/slave network model. It can communicate with up
to 512 nodes over a distance of 12.8 km, and can read 1024 inputs and write 1024
outputs in 4 ms.
Each network slave has an in connector for receiving data and an out connector for
transmitting data on the ring. The last device automatically closes and terminates
the network ring; sometimes this last device has no out connector.
Components of a simplified INTERBUS network are shown below:
1
2
3
4
5
6
7
PC/PLC
slave device
Advantys STB island with INTERBUS NIM at the head
slave device
INTERBUS network cable
in connection (receive)
out connection (transmit)
INTERBUS Club is the supporting trade association that creates specifications for
INTERBUS networks and devices. For more on INTERBUS specifications and
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Introduction
Physical Layer
The physical layer contains a single twisted pair of shielded wires. The
STB NIB 1010 INTERBUS implements the SUPI 3 (serial universal peripheral
interface) ASIC from Phoenix Contact.
Network
Topology
The INTERBUS network observes a master/slave model with active ring topology,
having all devices integrated in a closed transmission path. There are three types of
bus structures in the ring:
remote bus—The Advantys STB island (with an STB NIB 1010 INTERBUS NIM
at the head) connects to this section. Remote bus characteristics include:
12.8 km (maximum) network length
512 possible connections
400 m (maximum) between devices
256 devices (maximum)
local bus (not supported)—The local bus ring is used to connect I/O devices in a
remote substation enclosure. Local bus characteristics include:
8 devices (maximum)
1.5 m (maximum) between devices
10 m (maximum) network length
800 mA (maximum) current
sensor loop—The sensor loop is connected directly to sensors and actuators
without the use of bridge routers. Sensor loop characteristics include:
1 unshielded pair (+24 V)
32 devices (maximum)
10 m (maximum) network length
Note: An Advantys STB island with an INTERBUS NIM head can be implemented
only as a remote bus node.
Transmission
Media
While it is possible to connect INTERBUS devices with a variety of media (fiber
optics, SMG, etc.), the STB NIB 1010 NIM only supports networks that are
connected with twisted pair copper wiring (RS-485). Network connectors (in and out)
are 9-pin SUB-D types. The TDMA transmission method is implemented for
transmission rates of 500 kbits/s.
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Introduction
Node
The INTERBUS master device is self-configuring because INTERBUS slave
Addressing
devices are auto-addressed according to their sequence in a serial ring structure.
The master identifies read/write data in terms of a node’s relative position in the ring,
not by a fixed address. The sequential location of slaves corresponds to the order of
input and output data in the master's buffer.
The ring structure uses a distributed shift register. In a single bus cycle, data from
the master to the slaves (and from the slaves to the master) is transferred. The cycle
ends when the loop back word is returned to the master. Each node is a component
on the shift register ring on which data is circulated.
The NIM’s EDS
NIM Limitations
For a particular device to be recognized on your network, a corresponding EDS file
must be exported to your master device. This ASCII file contains information about
a device’s:
identity—the node’s classification is presented in terms of the manufacturer code
data size—the master’s input buffer must account for the amount of data
expected from the device
The STB NIB 1010 INTERBUS basic NIM supports up to 16 words of INTERBUS
cyclic data. It does not support the parameter communication protocol (PCP).
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Introduction
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The STB NIB 1010
Basic NIM Module
2
At a Glance
Introduction
This chapter describes the external features, connections, power requirements and
product specifications of the basic INTERBUS NIM.
What’s in this
Chapter?
This chapter contains the following topics:
Topic
Page
18
External Features of the STB NIB 1010 NIM
STB NIB 1010 Fieldbus Interface
LED Physical Description
20
22
24
26
27
28
Power Supply Interface
Logic Power
Selecting a Source Power Supply for the Island’s Logic Power Bus
STB NIB 1010 Module Specifications
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The STB NIB 1010 Basic NIM Module
External Features of the STB NIB 1010 NIM
Hardware
Features
The physical features critical to STB NIB 1010 INTERBUS NIM operations are
called out in the illustration below:
Feature
Function
1
2
3
4
5
6
fieldbus interface (in)
Nine-pin SUB-D (male) connector used for the incoming INTERBUS fieldbus
network cable.
fieldbus interface (out)
power supply interface
LED array
Nine-pin SUB-D (female) connector used for the outgoing INTERBUS
fieldbus network cable.
A two-receptacle connector for connecting an external 24 VDC power supply
to the NIM.
Colored LEDs that use various patterns to visually indicate the operational
status of the island bus.
release screw
A mechanism used to remove the NIM from the DIN rail. (See the Advantys
STB System Planning and Installation Guide for details.)
CFG port cover
A hinged flap on the NIM’s front panel that covers the CFG interface and the
RST button. The CFG port is for firmware upgrades only.
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The STB NIB 1010 Basic NIM Module
Housing Shape
The L-shaped external housing of the NIM is designed to accommodate the
attachment of the in and out INTERBUS network connectors without raising the
depth profile of the island:
1
2
space reserved for the network connectors
NIM housing
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The STB NIB 1010 Basic NIM Module
STB NIB 1010 Fieldbus Interface
Summary
The fieldbus interface on the STB NIB 1010 is the point of connection between an
Advantys STB island bus and the INTERBUS network. Like every INTERBUS node,
the NIM has two nine-pin SUB-D connectors for data reception (in) and transmission
(out). The connectors are located on the face of the NIM.
Fieldbus Port
Connections
The in and out fieldbus interfaces are located on the front of the INTERBUS NIM at
the top:
It is recommended that you use 9-pin SUB-D connectors compliant with INTERBUS
Club or corresponding international standard.
The in connector is optically isolated. The signal level is according to EIA RS-485.
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The STB NIB 1010 Basic NIM Module
The pin-out for both the in (upper) and out (lower) connectors should be according
to the table below (pin numbers correspond to callouts in the figure above):
Pin
1
Signal (in)
Signal (out)
DO1
DO2
2
DI1
DI2
3
GND1
unused
unused
/DO1
GND
4
unused
5
+5 V
6
/DO2
7
/DI1
/DI2
8
unused
unused
unused
9
RBST (see note below)
Note: The RBST pin detects the presence of a subsequent node on the ring. In the
absence of this detection (or if the node has no out connector at all), the network
ring is closed.
INTERBUS
Networking
Cable and
Connectors
The drop cable from the fieldbus to the Advantys STB INTERBUS NIM (and the one
from the NIM to the next INTERBUS node) must have connectors that observe this
pin assignment scheme. INTERBUS networking cables are shielded, twisted-pair
electrical cables, compliant with INTERBUS standard DR-303-1. There should not
be an interruption to any wire in bus cables. This allows for a future specification for
use of reserved pins.
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The STB NIB 1010 Basic NIM Module
LED Physical Description
Overview
The six LEDs implemented in the STB NIB 1010 INTERBUS NIM are visual
indications of the operating status of the island bus on an INTERBUS network. The
LED array is located at the top of the NIM front bezel.
General
Indications
The bottom three LEDs indicate the status of data exchange between the
INTERBUS fieldbus master and the Advantys island bus:
LED 4—RC (remote bus check)
LED 5—BA (bus active)
LED 6—RD (remote bus disabled)
The top three LEDs indicate activity or events on the NIM:
LED 1—RUN
LED 2—PWR/UL
LED 3—ERR
The following tables describe the LED behavior in more detail. When you refer to
these tables, keep in mind:
It is assumed that the PWR/UL LED is on continuously, indicating that the NIM is
receiving adequate power. If the PWR/UL LED is off, logic power to the NIM is off
or insufficient.
Individual blinks are approximately 200 ms. There is a 1-second interval between
blink sequences. For example:
blinking—blinks steadily, alternating between 200 ms on and 200 ms off
blink 1—blinks once (200 ms), then 1 second off
blink 2—blinks twice (200 ms on, 200 ms off, 200 ms on), then 1 second off
blink n—blinks n (some number) times, then 1 second off
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The STB NIB 1010 Basic NIM Module
INTERBUS Data
Exchange LEDs
The following table describes the indicated condition(s) and the colors and blink
patterns that the RC, BA and RD LEDs use to show normal operations and error
conditions for the NIM on an INTERBUS fieldbus.
Label
Pattern Meaning
BA (green)
on
off
on
The module is transmitting data messages on the network.
The module is not transmitting data messages on the network.
RC (green)
RD (yellow)
The island’s incoming bus is correctly connected, and the bus master device is not
sending a bus reset signal.
off
The island’s incoming bus is not correctly connected, or the bus master device is sending
a bus reset signal.
on
off
The island’s outgoing bus is disabled.
The island’s outgoing bus is enabled.
NIM Activity
LEDs
The table that follows describes the island bus condition(s) communicated by the
LEDs, and the colors and blink patterns used to indicate each condition.
RUN (green)
blink 2
ERR (red) Meaning
blink 2
off
The island is powering up (self test in progress).
The island is initializing—it is not started.
off
blink 1
off
The island has been put in the pre-operational state by the RST button—it is
not started.
blinking (steady)
blink 3
off
off
The NIM is auto-configuring the island bus—the bus is not started.
Initialization is complete, the island bus is configured, the configuration
matches, and the bus is not started.
off
off
blink 6
blink 2
The NIM detects no STB I/O modules on the island bus.
Assignment error—the NIM has detected a module assignment error; the
island bus is not started.
blink 5
Internal triggering protocol error.
off
blinking
(steady)
Fatal error. Because of the severity of the error, no further communications
with the island bus are possible and the NIM stops the island. The following
are fatal errors:
significant internal error
module-ID error
auto-addressing failure
process image error
auto-configuration error
island bus management error
receive/transmit queue software overrun error
on
on
off
The island bus is operational.
blink 3
At least one module does not match—the island bus is operational with a
configuration mismatch.
blink 4
off
off
on
The island bus is stopped—no further communications with the island are
possible.
Fatal error—internal failure.
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The STB NIB 1010 Basic NIM Module
Power Supply Interface
Introduction
The NIM’s built-in power supply requires 24 VDC from an external SELV-rated
power source. The connection between the 24 VDC source and the Advantys STB
island is the two-receptacle connector illustrated below.
Physical
Description
Power from the external 24 VDC supply comes in to the NIM through a two-
receptacle connector located at the bottom left of the module:
1
2
receptacle 1—24 VDC
receptacle 2—common
24
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The STB NIB 1010 Basic NIM Module
Connectors
Use either:
a screw type power connector, available in a kit of 10 (model STB XTS 1120)
a spring clamp power connector, available in a kit of 10 (model STB XTS 2120)
The following illustrations show two views of each power connector type. A front and
back view of the STB XTS 1120 screw type connector is shown on the left, and a
front and back view of the STB XTS 2120 spring clamp connector is shown on the
right:
1
2
3
4
5
STBXTS 1120 screw-type power connector
STBXTS 2120 spring clamp power connector
wire entry slot
screw clamp access
spring clamp actuation button
2
Each entry slot accepts a wire in the range 0.14 to1.5 mm (28 to 16 AWG). Each
connector has a 3.8 mm (0.15 in) pitch between the receptacles.
We recommend that you strip at least 9 mm from the wire’s jacket to make the
connection.
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The STB NIB 1010 Basic NIM Module
Logic Power
Introduction
Logic power is a 5 VDC power signal on the island bus that the I/O modules require
for internal processing. The NIM has a built-in power supply that provides logic
power. The NIM sends the 5 V logic power signal across the island bus to support
the modules in the basic segment.
External Source
Power
Input from an external 24 VDC power supply is needed as the source power for the
NIM’s built-in power supply. The NIM’s built-in power supply converts the incoming
24 V to 5 V of logic power. The external supply must be rated safety extra low
voltage (SELV-rated).
CAUTION
IMPROPER GALVANIC ISOLATION
The power components are not galvanically isolated. They are intended
for use only in systems designed to provide SELV isolation between the
supply inputs or outputs and the load devices or system power bus. You
must use SELV-rated supplies to provide 24 VDC source power to the
island.
Failure to follow this precaution can result in injury or equipment
damage.
Logic Power
Flow
The figure below shows how the NIM’s integrated power supply generates logic
power and sends it across the basic segment:
5 V
24 V
24 VDC
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The STB NIB 1010 Basic NIM Module
Selecting a Source Power Supply for the Island’s Logic Power Bus
Logic Power
Requirements
An external 24 VDC power supply is needed as the source for logic power to the
island bus. The external power supply connects to the island’s NIM. This external
supply provides the 24 V input to the built-in 5 V power supply in the NIM.
Characteristics
of the External
Power Supply
The external power supply needs to deliver 24 VDC source power to the island. The
supply that you select can have a low range limit of 19.2 VDC and a high range limit
of 30 VDC. The external supply must be rated safety extra low voltage (SELV-rated).
The SELV-rating means that SELV isolation is provided between the power supply’s
inputs and outputs, the power bus, and the devices connected to the island bus.
Under normal or single-fault conditions the voltage between any two accessible
parts, or between an accessible part and the protective earth (PE) terminal for Class
1 equipment, will not exceed a safe value (60 VDC max.).
CAUTION
IMPROPER GALVANIC ISOLATION
The power components are not galvanically isolated. They are intended for use only
in systems designed to provide SELV isolation between the supply inputs or outputs
and the load devices or system power bus. You must use SELV-rated supplies to
provide 24 VDC source power to the island.
Failure to follow this precaution can result in injury or equipment damage.
Calculating the
Wattage
The external supply needs to provide 13 W of power to the NIM.
Requirement
Suggested
Devices
The external power supply is generally enclosed in the same cabinet as the island.
Usually the external power supply is a DIN rail-mountable unit.
For installations that require 72 W or less from a 24 VDC source power supply, we
recommend a device such as the ABL7 RE2403 Phaseo power supply from
Telemecanique, distributed in the United States by Square D. This supply is DIN rail-
mountable and has a form factor similar to that of the island modules.
If you have room in your cabinet and your 24 VDC power requirements are greater
than 72 W, summable power supply options such as Schneider’s Premium
TSX SUP 1011 (26 W), TSX SUP 1021 (53 W), TSX SUP 1051 (120 W), or
TSX SUP 1101 (240 W) can be considered. These modules are also available from
Telemecanique and, in the United States, from Square D.
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The STB NIB 1010 Basic NIM Module
STB NIB 1010 Module Specifications
Table of
Technical
Specifications
dimensions
width
height
depth
40.5 mm (1.59 in)
130 mm (5.12 in)
70 mm (3.15 in)
interface connectors from INTERBUS network nine-pin SUB-D connector (male)
to INTERBUS network
nine-pin SUB-D connector (female)
8-receptacle HE-13
RS-232 port for
configuration software or
HMI panel
to external 24 VDC power 2-receptacle
supply
built-in power supply input voltage
24 VDC nominal
19.2 ... 30 VDC
400 mA @ 24 VDC
5 VDC @ 1.2 A
input power range
input current
output voltage to island
bus
2% variation due to temperature drift, intolerance, or line
regulation
1% load regulation
<50 mΩ output impedance up to 100 kHz
5 VDC @ 1.2 A
output current rating
isolation
no internal isolation (isolation must be provided by a SELV-rated
external 24 VDC source power supply)
noise immunity (EMC)
IEC 1131-2
12 maximum
one
addressable I/O modules supported
segments supported
hot swapping
standards
no
MTBF
200,000 hours GB (ground benign)
28
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Configuring the Island Bus
3
At a Glance
Introduction
The information in this chapter describes the auto-addressing and auto-
configuration processes. This data is saved to Flash memory automatically.
What’s in this
Chapter?
This chapter contains the following topics:
Topic
Page
30
Auto-Addressing
Auto-Configuration
The RST Button
Island Fallback Scenarios
32
33
34
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Configuring the Island Bus
Auto-Addressing
Introduction
Each time that the island is powered up or reset, the NIM automatically assigns a
unique island bus address to each module on the island that will engage in data
exchange. All Advantys STB I/O modules engage in data exchange.
About the Island
Bus Address
An island bus address is a unique integer value in the range 0 through 127 that
identifies the physical location of each addressable module on the island. Address
127 is always the NIM’s address. Addresses 1 through 12 are available for
addressable Advantys STB modules. The remaining addresses are not used in a
basic island configuration.
During initialization, the NIM detects the order in which modules are installed and
addresses them sequentially from left to right, starting with the first addressable
module after the NIM. No user action is required.
Addressable
Modules
Only the Advantys STB I/O modules in the basic segment require island bus
addresses.
Because they do not exchange data on the island bus, the following are not
addressed:
PDMs
empty bases
termination plate
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Configuring the Island Bus
An Example
For example, if you have an island bus with eight I/O modules:
1
2
3
4
5
6
7
8
9
NIM
STB PDT 3100 24 VDC power distribution module
STB DDI 3230 24 VDC two-channel digital input module
STB DDO 3200 24 VDC two-channel digital output module
STB DDI 3425 24 VDC four-channel digital input module
STB DDO 3415 24 VDC four-channel digital output module
STB DDI 3615 24 VDC six-channel digital input module
STB DDO 3605 24 VDC six-channel digital output module
STB AVI 1275 +/-10 VDC two-channel analog input module
10 STB AVO 1255 0 ... 10 VDC two-channel analog output module
11 STB XMP 1100 island bus termination plate
The NIM would auto-address it as follows. Note that the PDM and the termination
plate do not consume island bus addresses:
Module
Physical Location
Island Bus Address
NIM
1
2
127
STB PDT 3100 PDM
STB DDI 3230 input
STB DDO 3200 output
STB DDI 3425 input
STB DDO 3415 output
STB DDI 3615 input
STB DDO 3605 output
STB AVI 1275 input
STB AVO 1255 output
not addressed—does not exchange data
3
1
2
3
4
5
6
7
8
4
5
6
7
8
9
10
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Configuring the Island Bus
Auto-Configuration
Introduction
All Advantys STB I/O modules are shipped with a set of predefined parameters that
allow an island to be operational as soon as it is initialized. This ability of island
modules to operate with default parameters is known as auto-configuration. Once
an island bus has been installed, you can begin using it as a node on that network.
About Auto-
Auto-configuration occurs when:
Configuration
You power up an island for the first time.
You push the RST button.
As part of the auto-configuration process, the NIM checks each module and
confirms that it has been properly connected to the island bus. The NIM stores the
default operating parameters for each module in Flash memory.
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Configuring the Island Bus
The RST Button
Summary
Use the RST function to reconfigure your island after you have added a new I/O
module to a previously auto-configured island. If a new I/O module is added to the
island, pressing the RST button forces the auto-configuration process. The updated
island configuration data is automatically saved. RST works only after the island has
been successfully configured at least once.
Physical
Description
The RST button is located immediately above the CFG port, and behind the same
hinged cover:
RST button
Holding down the RST button for two seconds or longer causes the island to auto
configure and the Flash memory to be overwritten.
Engaging the
RST Button
To engage the RST button, use a small screwdriver with a flat blade no wider than
2.5 mm (.10 in). Do not use a sharp object that might damage the RST button or a
soft item such as a pencil that might break off and jam the button.
When you push the RST button for at least two seconds, the NIM reconfigures the
island bus as follows:
Stage
Description
1
The NIM auto-addresses the I/O modules on the island and derives their
factory-default configuration values.
2
3
The NIM overwrites the current configuration in Flash memory with
configuration data that uses the factory-default values for the I/O modules.
It re-initializes the island bus and brings it into operational mode.
Note: Network settings such as the fieldbus baud and the fieldbus node ID remain
unaffected.
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Configuring the Island Bus
Island Fallback Scenarios
Introduction
In the event of a communications failure on the island or between the island and the
fieldbus, output data is put into a predefined fallback state so that the module’s
values are known when the system recovers from the failure.
When you use a basic NIM, you cannot change the fallback parameters of any
modules in the segment. All output channels on the modules go to a predefined
fallback value of 0.
Fallback
Scenarios
There are several scenarios in which Advantys STB output modules go into their
fallback states:
loss of fieldbus communications—Communications with the fieldbus master are
lost.
loss of island bus communications—There is an internal island bus
communications error, indicated by a missing heartbeat message from either the
NIM or a module.
change of operating state—The NIM may command the island I/O modules to
switch from a running to a non-running (stopped or reset) state.
In all of these fallback scenarios, the NIM disables the heartbeat message.
Note: If a module fails, it needs to be replaced. The module may not go to its
fallback state.
Heartbeat
Message
The Advantys STB system relies on a heartbeat message to ensure the integrity and
continuity of communications between the NIM and the island modules. The health
of island modules and the overall integrity of the Advantys STB system are
monitored through the transmission and reception of these periodic island bus
messages.
Because island I/O modules are configured to monitor the NIM’s heartbeat
message, output modules will go into their fallback states if they do not receive a
heartbeat message from the NIM within the defined interval.
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Fieldbus Communications
Support
4
At a Glance
Introduction
This chapter describes how the INTERBUS master sets up communications with an
Advantys STB island and the network parameterization, configuration and
diagnostics services performed to configure the island as an INTERBUS node.
To communicate with an Advantys STB island, the INTERBUS master sends output
data across its network to the STB NIB 1010 basic NIM. The NIM transfers this
output data across the island bus to the destination output modules. The NIM
collects input data from the island’s input modules and sends the data back to the
fieldbus master in a bit-packed format.
What’s in this
Chapter?
This chapter contains the following topics:
Topic
Page
36
38
The INTERBUS ID Code
Data Exchange
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Fieldbus Communications Support
The INTERBUS ID Code
Introduction
The ID cycle is part of the INTERBUS network’s initialization process. After
determining the length of its own data during network initialization, every network
device reports its functionality and byte length in the two-byte ID code. The
INTERBUS ID code is a 16-bit word that describes the data type, data length and
module type (digital/analog, input/output/mixed) of network devices.
The Low and
High Bytes
Data type is transmitted in the ID code’s low byte; data length and message
information are reported in the high byte:
1
2
3
data type (03h, 33h)
data length (0 to 16 words)
messages (for management functions)
Data Type
The INTERBUS NIM recognizes one of two possible data types:
Data Type
03h
Signal Direction
input/output
Signal Type
digital
33h
input/output
analog or mixed
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Fieldbus Communications Support
Data Length
The following table shows the relationship between the actual data length of the
island and the length of the code on INTERBUS. The actual data length (anywhere
from 0 to 16 words) represents the greater of the input or output data length.
Actual Length of Island Data
up to 1 word*
2 words
INTERBUS Data Length Data Length Code (Hex)
1 word
1
2 words
3 words
4 words
5 words
6 words
7 words
8 words
9 words
10 words
12 words
14 words
16 words
24 words
26 words
2
3 words
3
4 words
4
5 words
5
6 words
E
7 words
F
8 words
6
9 words
7
10 words
15
16
17
12
13
11
11 to 12 words
13 to 14 words
15 to 16 words
17 to 24 words**
25 to 26 words**
*
The status word is included in the data length, so the minimum allowable data length for an Advantys island is 2
words (data word + status word).
** The STB NIB 1010 INTERBUS NIM supports only up to 16 words in each direction (input/output).
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Fieldbus Communications Support
Data Exchange
Introduction
Process image data is exchanged between the STB NIB 1010 NIM and an
INTERBUS fieldbus master in a bit-packed format.
Note: In this discussion, data and words described as input and output are defined
relative to the master. For example, the master receives input data and transmits
output data.
Data and Status
Objects
Data exchange between the island and the INTERBUS master involves three types
of objects:
data objects—operating values the INTERBUS master either reads from the input
modules or writes to the output modules
status objects—module health records sent by I/O modules and read by the
INTERBUS master
echo output data objects—sent by digital object modules to the INTERBUS
master; these objects are usually a copy of the data objects, but they can contain
useful information when a digital output point is configured to handle the result of
a reflex action
Standard Advantys STB I/O modules support all three of the above objects. Basic
Advantys STB I/O modules support only data objects, not status or echo objects.
The following table shows the relationship between different object types and
different module types. It also shows the size of the different objects:
Module Type
Objects in the Input Data Image
Objects in the Output Data Image
Objects
Size
Objects
Size
digital input
data
1 byte or less
1 byte or less
does not apply
does not apply
status1
digital output
echo output data
1 byte or less
1 byte or less
data
1 byte or less
status1
data
does not apply
analog input
channel 1
2 bytes
1 byte
does not apply
does not apply
status2
data
channel 2
2 bytes
1 byte
does not apply
does not apply
status2
status2
status2
analog output
channel 1
channel 2
1 byte
1 byte
data
data
2 bytes
2 bytes
1 Echo and status information is not available for every module. For example, basic I/O modules do not report this information. Refer
to The Advantys STB Hardware Components Reference Guide (890 USE 172 00) for details.
2 Status information is not available for every analog module. For example, basic analog modules do not report status. Refer to The
Advantys STB Hardware Components Reference Guide (890 USE 172 00) for details.
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Fieldbus Communications Support
The Internal
Process Image
The STB NIB 1010’s process image contains memory areas (buffers) for the
temporary storage of input and output data. The internal process image is part of the
NIM’s island bus scanner area.
The island bus manages data exchange in both directions:
input data from the island bus—The island bus scanner operates continuously,
gathering data as well as status and confirmation bits and putting them into the
process image’s input buffer.
output data to the island bus—The island bus scanner handles output data and
places it in the process image’s output buffer.
Input data and output data are assembled in the order of the island bus I/O modules
(from left to right).
Word
Boundaries and
Bit Packing
Every entry in the process image is in a multiple-word format. If modules on the
island bus have input or output data entries that are not multiple words, the
corresponding word in the process image is moved to the next word boundary.
For example, a module with one bit of output data starts on a word boundary in the
process image’s output data buffer. The next process image entry starts on the next
word boundary, thereby transmitting 15 unused bits of the module’s first word,
resulting in latency during data transmission on the fieldbus.
Bit packing allows bits of data on the fieldbus from different digital I/O modules to be
put together in a single byte, resulting in optimized bandwidth.
Bit Packing
Rules
The STB NIB 1010 NIM observes the following rules for the bit packing of the
external process image:
The input and output process image sizes are limited to 16 words each.
The first word of the input process image contains NIM status information. The
first word of the output process image contains the NIM control word.
Bit packing follows the addressing order of the island bus I/O modules, from left
to right in the basic segment.
When the data object (or echo output data object) for a specific module is
available, it precedes the status object for that module.
Status objects and data objects for the same or different I/O module may be
packed in the same word if the size of the combined objects is 16 bits or less.
If the combination of objects requires more than 16 bits, the objects will be placed
in separate contiguous bytes. A single object cannot be split over two
word boundaries.
For standard analog input modules, channel 1 data is followed immediately by
channel 1 status, then channel 2 data and channel 2 status.
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Fieldbus Communications Support
Input and Output
Data Exchange
The application of the INTERBUS bit packing rules to the sample island assembly
results in four words of output data and five words of input data. The tables that
follow show how digital data is bit packed for optimization, and how data, status, and
echo output data (from outputs) appear in the PLC as the same data type (digital
input data). In these tables, N refers to the island node number. That is, N1
represents the first addressable node (module) on the sample island bus, N2 the
second, and so forth.
Output Data
Exchange
The following table shows how the four words in the sample island assembly output
data process image are organized after applying the bit packing rules:
Bit Number
Word 15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
2
NIM control word
empty (set to 0)
N6 output data
N4 output data
N2 output
data
3
4
N8 (channel 1) analog output data
N8 (channel 2) analog output data
Input Data
Exchange
The following table shows how the five words of the sample island assembly output
data process image are organized after applying the bit packing rules. The first word
contains the NIM status.
Bit Number
Word 15 14
NIM status
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
2
empty (set to 0)
N3 input data
N2 output
status
N2 output N1 input
echo status
N5 input data
N1 input
data
3
4
5
empty (set to 0)
N7 (channel 1) analog input data
N7 (channel 2) analog input data
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Application Example
5
At a Glance
Introduction
This chapter presents two examples for configuring the Advantys STB island on an
INTERBUS network. Each example implements the same sample island assembly
with an Advantys STB NIB 1010 basic NIM.
What’s in this
Chapter?
This chapter contains the following topics:
Topic
Page
42
Sample Island Assembly
Network Configuration Considerations
Using SyCon to Configure an STB Island on INTERBUS
Using CMD to Configure an STB Island on INTERBUS
44
46
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Application Example
Sample Island Assembly
Introduction
The configuration example(s) in this chapter use a particular Advantys STB island
assembly, described below. Your island assembly is independent of the network’s
master scanner because the island is represented by the NIM as a single node on
the fieldbus network.
Sample Island
Assembly
The sample I/O system used in this chapter’s application example(s) implements a
variety of analog and digital modules.
1
2
3
4
STB NIB 1010 INTERBUS NIM
STB PDT 3100 24 VDC PDM
STB DDI 3230 two-channel 24 VDC digital input module (2 bits of data, 2 bits of status)
STB DDO 3200 two-channel 24 VDC digital output module (2 bits of data, 2 bits of echo
output data, 2 bits of status)
5
6
STB DDI 3425 four-channel 24 VDC digital input module (4 bits of data, 4 bits of status)
STB DDO 3415 four-channel 24 VDC digital output module (4 bits of data, 4 bits of echo
output data, 4 bits of status)
7
8
STB DDI 3615 six-channel 24 VDC digital input module (6 bits of data, 6 bits of status)
STB DDO 3605 six-channel 24 VDC digital output module (6 bits of data, 6 bits of echo
output data, 6 bits of status)
9
STB AVI 1275 two-channel +/-10 VDC analog input module (16 bits of data [channel 1], 16
bits of data [channel 2], 8 bits of status [channel 1], 8 bits of status [channel 2])
10 STB AVO 1255 two-channel 0 ... 10 VDC analog output module (8 bits of status [channel
1], 8 bits of status [channel 2], 16 bits of data [channel 1], 16 bits of data [channel 2])
11 STB XMP 1100 termination plate
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Application Example
The I/O modules have the following island bus addresses:
I/O Model
Module Type
Island Bus Address
STB DDI 3230
STB DDO 3200
STB DDI 3425
STB DDO 3415
STB DDI 3615
STB DDO 3605
STB AVI 1275
STB AVO 1255
two-channel digital input
two-channel digital output
four-channel digital input
four-channel digital output
six-channel digital input
six-channel digital output
two-channel analog input
two-channel analog output
1
2
3
4
5
6
7
8
The NIM, the PDM, and the termination plate do not consume island bus addresses,
and they do not exchange data with the fieldbus master.
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Application Example
Network Configuration Considerations
Introduction
This topic covers items to consider before you configure your INTERBUS network
for use with an Advantys STB island.
Connection
Figure
The following figure shows the connections between a master device and its slave
devices on an INTERBUS network:
1
2
3
4
5
PC/PLC
INTERBUS network cable (not supplied)
network node
Advantys STB sample island assembly
slave device (terminating)
Note: An Advantys STB island with an INTERBUS NIM can be implemented only
as a remote bus node.
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Application Example
Before You
Begin
Before attempting to use the application examples in this chapter, make sure:
your Advantys STB modules are assembled, installed, and powered according to
your particular system, application, and network requirements
you know the input and output process data lengths for your specific configuration
(the sample island assembly’s input length is 80 bits and the output length is 64
bits)
You should have a working familiarity with both the INTERBUS fieldbus protocol and
your configuration software, either SyCon or CMD.
Note: For specific information about your configuration software, consult the
manufacturer’s documentation included with the Hilscher (SyCon) or Phoenix
Contact (CMD) product.
SyCon
Considerations
You should have the EDS file and corresponding bitmap files that were supplied with
the STB NIB 1010 INTERBUS NIM (also available at www.schneiderauto-
mation.com), or you have created an EDS that is specific to the sample island
assembly with the Advantys or SyCon configuration software.
CMD
Considerations
You should have the Schneider device database, Schneider_Device_DB, available
you don’t have this database, you can create a configuration-specific device by
following the instructions for CMD configuration.
The sample island assembly’s input length is 80 bits and the output length is 64 bits.
If you do not account for the entire data length of your island, process data will be
truncated or connection to the network will be impossible.
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Application Example
Using SyCon to Configure an STB Island on INTERBUS
Introduction
To add any master device and an Advantys STB island slave to your configuration
with SyCon:
Stage
Description
1
2
3
4
Add a master to your network configuration.
Add the NIM to your network configuration.
Create an EDS for the Advantys STB island.
Save and download the configuration
Add a Master
Use the following procedure to add an INTERBUS master to your configuration. In
this case, the Hilscher CIF30 PCMCIA card is used. The steps are the same for all
master devices.
Step Action
Comment
1
2
3
From SyCon’s Insert menu, select
A list of INTERBUS masters appears in
the Insert Master dialogue box.
Master.
Select CIF30-IBM from the Available
devices list and click Add.
The CIF30-IBM appears in the Selected
devices list.
Press OK.
The CIF30-IBM appears in the SyCon
workspace.
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Application Example
Add the NIM
You must import the NIM’s EDS before you configure the island as a network device.
To add the NIM to the network configuration:
Step Action
Comment
1
From SyCon’s Insert menu, select
The Advantys STB island can only be used
as a remote node on INTERBUS.
Remote Bus Device or the insert
remote device icon.
2
3
4
Decide where you want to insert the
NIM device.
Blue circles in the workspace indicate
possible insertion points.
Click in the appropriate blue circle.
The Insert Remote Bus Device dialogue box
appears.
Select the NIM’s EDS from the
The EDS appears in the Selected devices
list. If not, follow the directions at Create an
EDS.
Available devices list and click Add.
5
Press OK.
The island appears in the SyCon
workspace.
Configuring in
the SyCon
Workspace
After you use the Add a Master and Add the NIM instructions to add the CIF30
master and INTERBUS NIM slave to your network configuration, a SyCon
workspace similar to this appears:
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Application Example
Create an EDS
You can create an EDS using SyCon's EDS Generator by following these
instructions:
Step
Action
Comment
1
From SyCon’s Tools menu, select The EDS Generator dialogue box appears.
EDS Generator.
2
3
4
5
6
In the Created by text field, enter Use your own name.
the creator’s name.
In the Device text field, enter the The device will use the name you enter here when it
device name and manufacturer.
appears in the configuration workspace.
From SyCon’s Type pull-down
The Advantys STB island can only be used as a remote
menu, select Remote Bus Device. node on INTERBUS.
Specify the Process data direction The selection of input/output supports the mixture of
by selecting input/output.
input and output modules in the sample island.
Specify the analog Device class. The selection of analog supports the mixture of digital
and analog modules in the sample island. PCP
capability is not supported by the INTERBUS NIM.
7
Specify the Process data length by Bit packing for the sample island indicates 5 words of
selecting an input length of 10
octets, and an output length of 8
octets.
input and 4 words of output. (An octet represents one-
half of a data word.)
8
9
An Ident code should appear
under Device identification.
The above selection of analog (Device class) will put 51
(33h) in the Ident code, although other values are
available in the Ident code pull-down menu.
In the Configuration (Bitmap) text The .bmp file graphically represents the node in the
field, select the desired .bmp file or SyCon workspace. Accepting default bitmaps or
accept the defaults.
importing others will not affect system performance.
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Application Example
After you customize the SyCon EDS Generator screen, it will resemble this:
Saving and
You can save your configuration with the standard Windows commands in the File
Downloading the menu. The Online menu provides options for downloading and debugging your
Configuration
configuration.
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Application Example
Using CMD to Configure an STB Island on INTERBUS
Introduction
Use these directions to add an Advantys STB island slave to your INTERBUS
network using Phoenix Contact’s CMD software. The employed master device is a
controller board that you select. In this example, we will use a PC with an IBS/4K
controller board. The stages of this process are described in the following table:
Stage
Description
1
2
3
Add the controller board
Add the island slave
Save and download the configuration
The CMD
Workspace
In this configuration example, you will add a master device and an Advantys STB
island slave to your configuration using CMD.
The CMD workspace should resemble the following figure after you’ve added the
controller board and INTERBUS NIM slave to your network configuration with the
following instructions:
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Application Example
Add the
Controller Board
Use the following instructions to add a master device (the selected controller board)
to your configuration project.
Step Action
Comment
1
To create a new project, choose New from the
A new project window appears. Default project
components are already in the project view.
File menu.
2
3
4
In the project window, select (left-click) the
Controller Board icon.
A selection box appears around the Controller Board
icon.
Right-click on the Controller Board icon, scroll down, The Select Controller Board dialogue box appears.
and left-click Type.
From the Available Types list, select your
controller board.
In this case, select the IBS/4K.
Adding the
Island Slave
If you have Schneider’s device database (Schneider_Device_DB), you can import it
into CMD. The following instructions are for manually creating a new configuration-
specific device when a configured one is not available:
Step Action
Comment
1
In your configuration, right-click on the Controller
Board icon, scroll down, and left-click Insert ID Code.
The Insert Device Description dialogue box appears.
2
3
In the ID Code field, enter the ID code for your island. Use 51 (33h) for the ID code data type of the sample
island.
In the Process Data Channel field, enter your island’s The sample island assembly’s input data length is 80
process data length.
bits and the output data length is 64 bits (including the
control and status words).
4
5
6
7
8
At Device Type, select Remote Bus Device.
The Advantys island is always configured as a remote
bus device.
In the Station Name field, enter a station name for
your island node.
Choose your own station name for the Advantys
island.
In the Device Name field, enter a name for your
island node.
Choose your own device name for the Advantys
island.
In the Manufacturer Name field, enter a name for
your island node.
Enter Schneider for the manufacturer name.
In the Device Type field, enter a name for your
island node.
Enter a device type that you feel describes the nature
of the Advantys island. I/O will suffice.
Saving and
You can save your configuration with the standard Windows commands in the
Downloading the File menu. The Online menu provides options for downloading and debugging
Configuration
your configuration.
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Application Example
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Glossary
!
10Base-T
An adaptation of the IEEE 802.3 (Ethernet) standard, the 10Base-T standard uses
twisted-pair wiring with a maximum segment length of 100 m (328 ft) and terminates
with an RJ-45 connector. A 10Base-T network is a baseband network capable of
transmitting data at a maximum speed of 10 Mbit/s.
802.3 frame
A frame format, specified in the IEEE 802.3 (Ethernet) standard, in which the header
specifies the data packet length.
A
agent
1. SNMP—the SNMP application that runs on a network device. 2. Fipio—a slave
device on a network.
analog input
A module that contains circuits that convert analog DC input signals to digital values
that can be manipulated by the processor. By implication, these analog inputs are
usually direct—i.e., a data table value directly reflects the analog signal value.
analog output
A module that contains circuits that transmit an analog DC signal proportional to a
digital value input to the module from the processor. By implication, these analog
outputs are usually direct—i.e., a data table value directly controls the analog signal
value.
application
object
In CAN-based networks, application objects represent device-specific functionality,
such as the state of input or output data.
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Glossary
ARP
address resolution protocol. The IP network layer protocol, which uses ARP to map
an IP address to a MAC (hardware) address.
auto baud
The automatic assignment and detection of a common baud rate as well as the
ability of a device on a network to adapt to that rate.
auto-addressing
The assignment of an address to each island bus I/O module and preferred device.
auto-
configuration
The ability of island modules to operate with predefined default parameters. A
configuration of the island bus based completely on the actual assembly of I/O
modules.
B
basic I/O
Low-cost Advantys STB input/output modules that use a fixed set of operating
parameters. A basic I/O module cannot be reconfigured with the Advantys
configuration software and cannot be used in reflex actions.
basic network
interface
A low-cost Advantys STB network interface module that supports a single segment
of up to 12 Advantys STB I/O modules. A basic NIM does not support the Advantys
configuration software, reflex actions, island bus extensions, nor the use of an HMI
panel.
basic power
distribution
module
A low-cost Advantys STB PDM that distributes sensor power and actuator power
over a single field power bus on the island. The bus provides a maximum of 4 A total
power. A basic PDM requires one 5 A fuse to protect the I/O.
BootP
BOS
bootstrap protocol. A UDP/IP protocol that allows an internet node to obtain its IP
parameters based on its MAC address.
beginning of segment. When more than one segment of I/O modules is used in an
island, an STB XBE 1200 BOS module is installed in the first position in each
extension segment. Its job is to carry island bus communications to and generate
logic power for the modules in the extension segment.
bus arbitrator
A master on a Fipio network.
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Glossary
C
CAN
controller area network. The CAN protocol (ISO 11898) for serial bus networks is
designed for the interconnection of smart devices (from multiple manufacturers) in
smart systems for real-time industrial applications. CAN multi-master systems
ensure high data integrity through the implementation of broadcast messaging and
advanced error mechanisms. Originally developed for use in automobiles, CAN is
now used in a variety of industrial automation control environments.
CANopen
protocol
An open industry standard protocol used on the internal communication bus. The
protocol allows the connection of any standard CANopen device to the island bus.
CI
command interface.
CiA
CAN in Automation. CiA is a non-profit group of manufacturers and users dedicated
to developing and supporting CAN-based higher layer protocols.
COB
communication object. A communication object is a unit of transportation (a
message) in a CAN-based network. Communication objects indicate a particular
functionality in a device. They are specified in the CANopen communication profile.
COMS
island bus scanner.
configuration
The arrangement and interconnection of hardware components within a system and
the hardware and software selections that determine the operating characteristics of
the system.
CRC
cyclic redundancy check. Messages that implement this error checking mechanism
have a CRC field that is calculated by the transmitter according to the message’s
content. Receiving nodes recalculate the field. Disagreement in the two codes
indicates a difference between the transmitted message and the one received.
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Glossary
D
DeviceNet
protocol
DeviceNet is a low-level, connection-based network that is based on CAN, a serial
bus system without a defined application layer. DeviceNet, therefore, defines a layer
for the industrial application of CAN.
DHCP
dynamic host configuration protocol. A TCP/IP protocol that allows a server to
assign an IP address based on a role name (host name) to a network node.
differential input
A type of input design where two wires (+ and -) are run from each signal source to
the data acquisition interface. The voltage between the input and the interface
ground are measured by two high-impedance amplifiers, and the outputs from the
two amplifiers are subtracted by a third amplifier to yield the difference between the
+ and - inputs. Voltage common to both wires is thereby removed. Differential design
solves the problem of ground differences found in single-ended connections, and it
also reduces the cross-channel noise problem.
digital I/O
DIN
An input or output that has an individual circuit connection at the module
corresponding directly to a data table bit or word that stores the value of the signal
at that I/O circuit. It allows the control logic to have discrete access to the I/O values.
Deutsche industrial norms. A German agency that sets engineering and
dimensional standards and now has worldwide recognition.
E
economy
segment
A special type of STB I/O segment created when an STB NCO 1113 economy
CANopen NIM is used in the first location. In this implementation, the NIM acts as a
simple gateway between the I/O modules in the segment and a CANopen master.
Each I/O module in an economy segment acts as a independent node on the
CANopen network. An economy segment cannot be extended to other STB I/O
segments, preferred modules or standard CANopen devices.
EDS
electronic data sheet. The EDS is a standardized ASCII file that contains information
about a network device’s communications functionality and the contents of its object
dictionary. The EDS also defines device-specific and manufacturer-specific objects.
EIA
Electronic Industries Association. An organization that establishes electrical/
electronic and data communication standards.
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Glossary
EMC
EMI
electromagnetic compatibility. Devices that meet EMC requirements can operate
within a system’s expected electromagnetic limits without error.
electromagnetic interference. EMI can cause an interruption, malfunction, or
disturbance in the performance of electronic equipment. It occurs when a source
electronically transmits a signal that interferes with other equipment.
EOS
end of segment. When more than one segment of I/O modules is used in an island,
an STB XBE 1000 EOS module is installed in the last position in every segment that
has an extension following it. The EOS module extends island bus communications
to the next segment.
Ethernet
A LAN cabling and signaling specification used to connect devices within a defined
area, e.g., a building. Ethernet uses a bus or a star topology to connect different
nodes on a network.0
Ethernet II
A frame format in which the header specifies the packet type, Ethernet II is the
default frame format for STB NIP 2212 communications.
F
fallback state
fallback value
FED_P
A safe state to which an Advantys STB I/O module can return in the event that its
communication connection fails.
The value that a device assumes during fallback. Typically, the fallback value is
either configurable or the last stored value for the device.
Fipio extended device profile. On a Fipio network, the standard device profile type
for agents whose data length is more than eight words and equal to or less than
thirty-two words.
Fipio
Fieldbus Interface Protocol (FIP). An open fieldbus standard and protocol that
conforms to the FIP/World FIP standard. Fipio is designed to provide low-level
configuration, parameterization, data exchange, and diagnostic services.
Flash memory
FRD_P
Flash memory is nonvolatile memory that can be overwritten. It is stored on a special
EEPROM that can be erased and reprogrammed.
Fipio reduced device profile. On a Fipio network, the standard device profile type for
agents whose data length is two words or less.
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Glossary
FSD_P
Fipio standard device profile. On a Fipio network, the standard device profile type
for agents whose data length is more than two words and equal to or less than eight
words.
full scale
The maximum level in a specific range—e.g., in an analog input circuit the maximum
allowable voltage or current level is at full scale when any increase beyond that level
is over-range.
function block
function code
A function block performs a specific automation function, such as speed control. A
function block comprises configuration data and a set of operating parameters.
A function code is an instruction set commanding one or more slave devices at a
specified address(es) to perform a type of action, e.g., read a set of data registers
and respond with the content.
G
gateway
A program or /hardware that passes data between networks.
global_ID
global_identifier. A 16-bit integer that uniquely identifies a device’s location on a
network. A global_ID is a symbolic address that is universally recognized by all other
devices on the network.
GSD
generic slave data (file). A device description file, supplied by the device’s
manufacturer, that defines a device’s functionality on a Profibus DP network.
H
HMI
human-machine interface An operator interface, usually graphical, for industrial
equipment.
HMI
human-machine interface An operator interface, usually graphical, for industrial
equipment.
hot swapping
Replacing a component with a like component while the system remains
operational. When the replacement component is installed, it begins to function
automatically.
HTTP
hypertext transfer protocol. The protocol that a web server and a client browser use
to communicate with one another.
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Glossary
I
I/O base
A mounting device, designed to seat an Advantys STB I/O module, hang it on a DIN
rail, and connect it to the island bus. It provides the connection point where the
module can receive either 24 VDC or 115/230 VAC from the input or output power
bus distributed by a PDM.
I/O module
In a programmable controller system, an I/O module interfaces directly to the
sensors and actuators of the machine/process. This module is the component that
mounts in an I/O base and provides electrical connections between the controller
and the field devices. Normal I/O module capacities are offered in a variety of signal
levels and capacities.
I/O scanning
IEC
The continuous polling of the Advantys STB I/O modules performed by the COMS
to collect data bits, status, error, and diagnostics information.
International Electrotechnical Commission Carrier. Founded in 1884 to focus on
advancing the theory and practice of electrical, electronics, and computer
engineering, and computer science. IEC 1131 is the specification that deals with
industrial automation equipment.
IEC type 1 input
IEC type 2 input
Type 1 digital inputs support sensor signals from mechanical switching devices such
as relay contacts and push buttons operating in normal environmental conditions.
Type 2 digital inputs support sensor signals from solid state devices or mechanical
contact switching devices such as relay contacts, push buttons (in normal or harsh
environmental conditions), and two- or three-wire proximity switches.
IEC type 3 input
Type 3 digital inputs support sensor signals from mechanical switching devices such
as relay contacts, push buttons (in normal-to-moderate environmental conditions),
three-wire proximity switches and two-wire proximity switches that have:
a voltage drop of no more than 8 V
a minimum operating current capability less than or equal to 2.5 mA
a maximum off-state current less than or equal to 1.5 mA
IEEE
Institute of Electrical and Electronics Engineers, Inc. The international standards
and conformity assessment body for all fields of electrotechnology, including
electricity and electronics.
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Glossary
industrial I/O
An Advantys STB I/O module designed at a moderate cost for typical continuous,
high-duty-cycle applications. Modules of this type often feature standard IEC
threshold ratings, usually providing user-configurable parameter options, on-board
protection, good resolution, and field wiring options. They are designed to operate
in moderate-to-high temperature ranges.
input filtering
input polarity
The amount of time that a sensor must hold its signal on or off before the input
module detects the change of state.
An input channel’s polarity determines when the input module sends a 1 and when
it sends a 0 to the master controller. If the polarity is normal, an input channel will
send a 1 to the controller when its field sensor turns on. If the polarity is reverse, an
input channel will send a 0 to the controller when its field sensor turns on.
input response
time
The time it takes for an input channel to receive a signal from the field sensor and
put it on the island bus.
INTERBUS
protocol
The INTERBUS fieldbus protocol observes a master/slave network model with an
active ring topology, having all devices integrated in a closed transmission path.
IP
internet protocol. That part of the TCP/IP protocol family that tracks the internet
addresses of nodes, routes outgoing messages, and recognizes incoming
messages.
L
LAN
local area network. A short-distance data communications network.
light industrial
I/O
An Advantys STB I/O module designed at a low cost for less rigorous (e.g.,
intermittent, low-duty-cycle) operating environments. Modules of this type operate in
lower temperature ranges with lower qualification and agency requirements and
limited on-board protection; they usually have limited or no user-configuration
options.
linearity
LSB
A measure of how closely a characteristic follows a straight-line function.
least significant bit, least significant byte. The part of a number, address, or field that
is written as the rightmost single value in conventional hexadecimal or binary
notation.
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Glossary
M
MAC address
media access control address. A 48-bit number, unique on a network, that is
programmed into each network card or device when it is manufactured.
mandatory
module
When an Advantys STB I/O module is configured to be mandatory, it must be
present and healthy in the island configuration for the island to be operational. If a
mandatory module fails or is removed from its location on the island bus, the island
will go into a pre-operational state. By default, all I/O modules are not mandatory.
You must use the Advantys configuration software to set this parameter.
master/slave
model
The direction of control in a network that implements the master/slave model is
always from the master to the slave devices.
Modbus
Modbus is an application layer messaging protocol. Modbus provides client and
server communications between devices connected on different types of buses or
networks. Modbus offers many services specified by function codes.
MOV
metal oxide varistor. A two-electrode semiconductor device with a voltage-
dependant nonlinear resistance that drops markedly as the applied voltage is
increased. It is used to suppress transient voltage surges.
MSB
most significant bit, most significant byte. The part of a number, address, or field that
is written as the leftmost single value in conventional hexadecimal or binary notation.
N
N.C. contact
N.O. contact
NEMA
normally closed contact. A relay contact pair that is closed when the relay coil is de-
energized and open when the coil is energized.
normally open. contact. A relay contact pair that is open when the relay coil is de-
energized and closed when the coil is energized.
National Electrical Manufacturers Association.
network cycle
time
The time that a master requires to complete a single scan of all of the configured I/
O modules on a network device; typically expressed in microseconds.
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Glossary
NIM
network interface module. This module is the interface between an island bus and
the fieldbus network of which the island is a part. A NIM enables all the I/O on the
island to be treated as a single node on the fieldbus. The NIM also provides 5 V of
logic power to the Advantys STB I/O modules in the same segment as the NIM.
NMT
network management. NMT protocols provide services for network initialization,
error control, and device status control.
O
object dictionary (aka object directory) Part of the CANopen device model that provides a map to the
internal structure of CANopen devices (according to CANopen profile DS-401). A
device’s object dictionary is a lookup table that describes the data types,
communications objects, and application objects the device uses. By accessing a
particular device’s object dictionary through the CANopen fieldbus, you can predict
its network behavior and build a distributed application.
open industrial
communication
network
A distributed communication network for industrial environments based on open
standards (EN 50235, EN50254, and EN50170, and others) that allows the
exchange of data between devices from different manufacturers.
output filtering
output polarity
The amount that it takes an output channel to send change-of-state information to
an actuator after the output module has received updated data from the NIM.
An output channel’s polarity determines when the output module turns its field
actuator on and when it turns the actuator off. If the polarity is normal, an output
channel will turn its actuator on when the master controller sends it a 1. If the polarity
is reverse, an output channel will turn its actuator on when the master controller
sends it a 0.
output response
time
The time it takes for an output module to take an output signal from the island bus
and send it to its field actuator.
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Glossary
P
parameterize
PDM
To supply the required value for an attribute of a device at run-time.
power distribution module. A module that distributes either AC or DC field power to
a cluster of I/O modules directly to its right on the island bus. A PDM delivers field
power to the input modules and the output modules. It is important that all the I/O
clustered directly to the right of a PDM be in the same voltage group—either
24 VDC, 115 VAC, or 230 VAC.
PDO
PE
process data object. In CAN-based networks, PDOs are transmitted as unconfirmed
broadcast messages or sent from a producer device to a consumer device. The
transmit PDO from the producer device has a specific identifier that corresponds to
the receive PDO of the consumer devices.
protective earth. A return line across the bus for fault currents generated at a sensor
or actuator device in the control system.
peer-to-peer
communications
In peer-to-peer communications, there is no master/slave or client/server
relationship. Messages are exchanged between entities of comparable or
equivalent levels of functionality, without having to go through a third party (like a
master device).
PLC
programmable logic controller. The PLC is the brain of an industrial manufacturing
process. It automates a process as opposed to relay control systems. PLCs are
computers suited to survive the harsh conditions of the industrial environment.
preferred module An I/O module that functions as an auto-addressable node on an Advantys STB
island but is not in the same form factor as a standard Advantys STB I/O module and
therefore does not fit in an I/O base. A preferred device connects to the island bus
via an STB XBE 1000 EOS module and a length of STB XCA 100x bus extension
cable. It can be extended to another preferred module or back into a standard island
segment. If it is the last device on the island, it must be terminated with a 120 Ω
terminator.
premium
network
interface
An Advantys STB network interface module designed at a relatively high cost to
support high module densities, high transport data capacity (e.g., for web servers),
and more diagnostics on the island bus.
prioritization
An optional feature on a standard NIM that allows you to selectively identify digital
input modules to be scanned more frequently during a the NIM’s logic scan.
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Glossary
process I/O
An Advantys STB I/O module designed for operation at extended temperature
ranges in conformance with IEC type 2 thresholds. Modules of this type often feature
high levels of on-board diagnostics, high resolution, user-configurable parameter
options, and higher levels of agency approval.
process image
A part of the NIM firmware that serves as a real-time data area for the data exchange
process. The process image includes an input buffer that contains current data and
status information from the island bus and an output buffer that contains the current
outputs for the island bus, from the fieldbus master.
producer/
In networks that observe the producer/consumer model, data packets are identified
consumer model according to their data content rather than by their physical location. All nodes listen
on the network and consume those data packets that have appropriate identifiers.
Profibus DP
Profibus Decentralized Peripheral. An open bus system that uses an electrical
network based on a shielded two-wire line or an optical network based on a fiber-
optic cable. DP transmission allows for high-speed, cyclic exchange of data between
the controller CPU and the distributed I/O devices.
R
reflex action
A simple, logical command function configured locally on an island bus I/O module.
Reflex actions are executed by island bus modules on data from various island
locations, like input and output modules or the NIM. Examples of reflex actions
include compare and copy operations.
repeater
An interconnection device that extends the permissible length of a bus.
reverse polarity
protection
Use of a diode in a circuit to protect against damage and unintended operation in the
event that the polarity of the applied power is accidentally reversed.
rms
root mean square. The effective value of an alternating current, corresponding to the
DC value that produces the same heating effect. The rms value is computed as the
square root of the average of the squares of the instantaneous amplitude for one
complete cycle. For a sine wave, the rms value is 0.707 times the peak value.
role name
A customer-driven, unique logical personal identifier for an Ethernet Modbus TCP/
IP NIM. A role name is created either as a combination of a numeric rotary switch
setting and the STB NIP 2212 part number or by modifying text on the Configure
Role Name web page. After the STB NIP 2212 is configured with a valid role name,
the DHCP server will use it to identify the island at power up.
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Glossary
RTD
resistive temperature detect. An RTD device is a temperature transducer composed
of conductive wire elements typically made of platinum, nickel, copper, or nickel-
iron. An RTD device provides a variable resistance across a specified temperature
range.
Rx
reception. For example, in a CAN-based network, a PDO is described as an RxPDO
of the device that receives it.
S
SAP
service access point. The point at which the services of one communications layer,
as defined by the ISO OSI reference model, is made available to the next layer.
SCADA
SDO
supervisory control and data acquisition. Typically accomplished in industrial
settings by means of microcomputers.
service data object. In CAN-based networks, SDO messages are used by the
fieldbus master to access (read/write) the object directories of network nodes.
segment
A group of interconnected I/O and power modules on an island bus. An island must
have at least one segment and, depending on the type of NIM used, may have as
many as seven segments. The first (leftmost) module in a segment needs to provide
logic power and island bus communications to the I/O modules on its right. In the
primary or basic segment, that function is filled by a NIM. In an extension segment,
that function is filled by an STB XBE 1200 BOS module. (An island running with a
basic NIM does not support extension segments.)
SELV
SIM
safety extra low voltage. A secondary circuit designed and protected so that the
voltage between any two accessible parts (or between one accessible part and the
PE terminal for Class 1 equipment) does not exceed a specified value under normal
conditions or under single-fault conditions.
subscriber identification module. Originally intended for authenticating users of
mobile communications, SIMs now have multiple applications. In Advantys STB,
configuration data created or modified with the Advantys configuration software can
be stored on a SIM and then written to the NIM’s Flash memory.
single-ended
inputs
An analog input design technique whereby a wire from each signal source is
connected to the data acquisition interface, and the difference between the signal
and ground is measured. Two conditions are imperative to the success of this design
technique—the signal source must be grounded, and the signal ground and data
acquisition interface ground (the PDM lead) must have the same potential.
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Glossary
sink load
An output that, when turned on, receives DC current from its load.
size 1 base
A mounting device, designed to seat an STB module, hang it on a DIN rail, and
connect it to the island bus. It is 13.9 mm wide and 128.25 mm high.
size 2 base
size 3 base
slice I/O
A mounting device, designed to seat an STB module, hang it on a DIN rail, and
connect it to the island bus. It is 18.4 mm wide and 128.25 mm high.
A mounting device, designed to seat an STB module, hang it on a DIN rail, and
connect it to the island bus. It is 28.1 mm wide and 128.25 mm high.
An I/O module design that combines a small number of channels (usually between
two and six) in a small package. The idea is to allow a system developer to purchase
just the right amount of I/O and to be able to distribute it around the machine in an
efficient, mechatronics way.
SM_MPS
state management_message periodic services. The applications and network
management services used for process control, data exchange, error reporting, and
device status notification on a Fipio network.
SNMP
simple network management protocol. The UDP/IP standard protocol used to
manage nodes on an IP network.
snubber
A circuit generally used to suppress inductive loads—it consists of a resistor in
series with a capacitor (in the case of an RC snubber) and/or a metal-oxide varistor
placed across the AC load.
source load
standard I/O
A load with a current directed into its input; must be driven by a current source.
Any of a subset of Advantys STB input/output modules designed at a moderate cost
to operate with user-configurable parameters. A standard I/O module may be
reconfigured with the Advantys configuration software and, in most cases, may be
used in reflex actions.
standard
network
interface
An Advantys STB network interface module designed at moderate cost to support
the configuration capabilities, multi-segment design and throughput capacity
suitable for most standard applications on the island bus. An island run by a
standard NIM can support up to 32 addressable Advantys STB and/or preferred I/O
modules, up to six of which may be standard CANopen devices.
standard power
distribution
module
An Advantys STB module that distributes sensor power to the input modules and
actuator power to the output modules over two separate power buses on the island.
The bus provides a maximum of 4 A to the input modules and 8 A to the output
modules. A standard PDM requires a 5 A fuse to protect the input modules and an
8 A fuse to protect the outputs.
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Glossary
STD_P
standard profile. On a Fipio network, a standard profile is a fixed set of configuration
and operating parameters for an agent device, based on the number of modules that
the device contains and the device’s total data length. Three types of standard
profiles are available—Fipio reduced device profile (FRD_P), Fipio standard device
profile (FSD_P), and the Fipio extended device profile (FED_P).
stepper motor
subnet
A specialized DC motor that allows discrete positioning without feedback.
A part of a network that shares a network address with the other parts of a network.
A subnet may be physically and/or logically independent of the rest of the network.
A part of an internet address called a subnet number, which is ignored in IP routing,
distinguishes the subnet.
surge
suppression
The process of absorbing and clipping voltage transients on an incoming AC line or
control circuit. Metal-oxide varistors and specially designed RC networks are
frequently used as surge suppression mechanisms.
T
TC
thermocouple. A TC device is a bimetallic temperature transducer that provides a
temperature value by measuring the voltage differential caused by joining together
two different metals at different temperatures.
TCP
transmission control protocol. A connection-oriented transport layer protocol that
provides reliable full-duplex data transmission. TCP is part of the TCP/IP suite of
protocols.
telegram
TFE
A data packet used in serial communication.
transparent factory Ethernet. Schneider Electric’s open automation framework
based on TCP/IP.
Tx
transmission. For example, in a CAN-based network, a PDO is described as a
TxPDO of the device that transmits it.
890USE19600 April 2004
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Glossary
U
UDP
user datagram protocol. A connectionless mode protocol in which messages are
delivered in a datagram to a destination computer. The UDP protocol is typically
bundled with the Internet Protocol (UPD/IP).
V
varistor
A two-electrode semiconductor device with a voltage-dependant nonlinear
resistance that drops markedly as the applied voltage is increased. It is used to
suppress transient voltage surges.
voltage group
A grouping of Advantys STB I/O modules, all with the same voltage requirement,
installed directly to the right of the appropriate power distribution module (PDM) and
separated from modules with different voltage requirements. Never mix modules
with different voltage requirements in the same voltage group.
W
watchdog timer
A timer that monitors a cyclical process and is cleared at the conclusion of each
cycle. If the watchdog runs past its programmed time period, it generates a fault.
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B
Index
D
A
data exchange, 11, 23, 30, 38
data length, 37
data type, 36
ABL7 RE2403 Telefast 24 VDC power
supply, 27
addressable module, 30, 31
agency approvals, 28
auto-addressing, 30, 33
auto-configuration, 32
and reset, 32, 33
ID code, 36
data length, 37
data objects, 38
data type, 36
initial configuration, 32
E
B
edit mode, 33
EDS, 15
basic segment, 10, 11, 26, 27
baud
external features, 18
CFG port, 33
fieldbus interface, 33
bit packing, 39
F
factory default settings, 32
fallback state, 34
fallback value, 34
fieldbus communications support, 35
fieldbus interface, 20
pin-out, 20, 21
C
configuration
INTERBUS master, 46, 50
fieldbus master
LED, 23
Flash memory
saving configuration data, 32
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Index
H
L
heartbeat message, 34
housing, 19
LED
physical description, 22
LEDs
and COMS states, 23
I
and reset, 23
BA, 23
ID code, 36
ERR, 23
INTERBUS
island bus, 23
PWR/UL, 22
RC, 23
bit packing, 39
cables, 21
connectors, 21
RUN, 23
TEST, 23
logic power
data exchange, 38
fieldbus interface, 20, 21
ID code, 36
considerations, 11, 26, 27
integrated power supply, 11, 26, 27
signal, 26
inputs, 13
last device, 13, 21
network interface, 18
network length, 13
NIM limitations on, 15
node addressing, 15
nodes (maximum), 13
outputs, 13
source power supply, 11, 27
N
network connection, 20
network considerations, 11
network interface, 13
NIM
physical layer, 14
ring, 13, 21
ring topology, 14
standards, 28
external features, 19
housing, 19
transmission media, 14
island bus
P
communications, 11
fallback, 34
parameterization, 32
PDM, 26, 30, 31
physical features, 18
LEDs, 23
operational mode, 23, 33
overview, 10, 12
termination, 12
R
island bus example, 31
island bus sample assembly, 42
RST button
and auto-configuration, 33
caution, 33
functionality, 32, 33
LED indications, 23
physical description, 33
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Index
S
sample island assembly, 42
source power supply
considerations, 27
logic power, 11, 27
recommendations, 27
SELV-rated, 24, 26, 27
two-receptacle wiring connector, 24
specifications, 28
STB NIB 1010, 28
status objects, 38
STB XTS 1120 screw type power
connector, 25
STB XTS 2120 spring clamp field wiring
connector, 25
storing configuration data
in Flash memory, 32
T
termination plate, 12, 31
test mode, 23
troubleshooting
LEDs, 23
using the Advantys LEDs, 23
TSX SUP 1011 Premium 24 VDC power
supply, 27
TSX SUP 1021 Premium 24 VDC power
supply, 27
TSX SUP 1051 Premium 24 VDC power
supply, 27
TSX SUP 1101 Premium 24 VDC power
supply, 27
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