CH Tech Power Supply M222 User Manual

U S E R ’ S M A N U A L  
4 C H A N N E L  
F O R M - C  
P O W E R R E L A Y  
M - M O D U L E  
M O D E L  
M 2 2 2  
( F O R M E R L Y  
H P E 2 2 7 4 A )  
Document Part No: 11029574  
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AMENDMENT NOTICE  
C&H Technologies, Inc. makes every attempt to provide up-to-date manuals with the associated  
equipment. Occasionally, changes are made to the equipment wherein it is necessary to provide  
amendments to the manual. If any amendments are provided for this manual they are printed on  
colored paper and will be provided with the module and manual. Manual updates may also be  
NOTE  
The contents of any amendment may affect operation, maintenance,  
or calibration of the equipment.  
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INTRODUCTION  
This manual describes the operation and use of the C&H Model M222 4 Channel Form C Power  
Relay M-Module (Part Number 11029570). This module was formerly manufactured by HP  
(Agilent) as Model E2274A. C&H obtained the manufacturing rights from Agilent and now  
manufacturers it as C&H Model M222. This mezzanine module is designed to interface within  
any M/MA-Module carrier adhering to the ANSI/VITA 12-1996 M-Module specification. These  
carriers are available in many formats such as Ethernet, VME, VXI, PXI, cPCI, and the PC.  
Contained within this manual are the physical and electrical specifications, installation and startup  
procedures, functional description, and configuration and programming guidelines to adequately  
use the product.  
This manual is based on a low level register access, and is written in such a manner to provide  
understanding to the user based on this type of access. If a driver is provided, please refer to the  
driver documentation for instruction using the higher level interface provided by the driver.  
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TABLE OF CONTENTS  
1.0 GENERAL DESCRIPTION................................................................................................ 1  
1.1 PURPOSE OF EQUIPMENT ................................................................................... 1  
1.2 SPECIFICATIONS OF EQUIPMENT...................................................................... 1  
1.2.1 Key Features ............................................................................................ 1  
1.2.2 Specifications........................................................................................... 2  
1.2.3 Mechanical............................................................................................... 3  
1.2.4 Bus Compliance ....................................................................................... 3  
1.2.5 Applicable Documents.............................................................................. 3  
2.0 INSTALLATION................................................................................................................ 5  
2.1 UNPACKING AND INSPECTION .......................................................................... 5  
2.2 HANDLING PRECAUTIONS.................................................................................. 5  
2.3 INSTALLATION OF M/MA MODULES................................................................. 5  
2.4 PREPARATION FOR RESHIPMENT...................................................................... 6  
3.0 FUNCTIONAL DESCRIPTION ......................................................................................... 7  
3.1 OVERVIEW............................................................................................................. 7  
3.1.1 M-Module Interface ................................................................................. 7  
3.1.2 ID EEPROM............................................................................................ 7  
3.2 IDENTIFICATION AND CONFIGURATION REGISTERS ................................... 8  
3.2.1 I/O Registers............................................................................................ 8  
3.2.2 Module Identification............................................................................. 10  
4.0 OPERATION.................................................................................................................... 11  
4.1 RELAY OPEN/CLOSE........................................................................................... 11  
4.2 INTERRUPTS ........................................................................................................ 11  
APPENDIX A: CONNECTORS ............................................................................................ A-1  
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LIST OF FIGURES  
Figure 1. M-MODULE Installation ............................................................................................5  
Figure 2. Switching Schematic ...................................................................................................7  
Figure 3. I/O Registers...............................................................................................................9  
Figure 4. Effects of Opening/Closing Relay..............................................................................11  
Figure A-1. Front Panel I/O Signals.........................................................................................A-1  
LIST OF TABLES  
Table I. Specifications................................................................................................................2  
Table II. I/O Address Map/Command Summary.........................................................................8  
Table III. M/MA Module PROM IDENT Words......................................................................10  
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1.0 GENERAL DESCRIPTION  
The M222 provides 4 individual Form C (SPDT) channels for general purpose switching and  
control of external devices on a single wide M-Module adhering to the ANSI/VITA 12-1996  
specification for M-Modules. With its 5 ADC per channel current rating, it can be used to switch  
external power supplies. The module may be installed on any carrier board supporting the M-  
Module specification. Carriers are available that allow the module to be used in Ethernet (LXI),  
VXI, VME, PCI, cPCI, PXI and other system architectures.  
1.1 PURPOSE OF EQUIPMENT  
The M222 can connect multiple instruments to multiple points in your test system. This provides  
flexible interconnection between test points, instrumentation, factory automation, and test  
fixtures.  
CAUTION: This module DOES NOT have provisions for on-board current  
limiting components (if input current can exceed 5A DC or 5A  
AC, you must install external current limiting circuitry)  
1.2 SPECIFICATIONS OF EQUIPMENT  
1.2.1 Key Features  
Four (4) Individual Form C (SPDT) Power Relays  
Non-latching Relays  
Single-wide M module provides high density and maximum flexibility of configuration  
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1.2.2 Specifications  
The M222 incorporates the standard 40-pin, 20x2 row connector interfaces to the carrier board  
for power and data/control, but does not have the 24-pin optional connector for carrying user-  
connections back onto the carrier board.  
The user input/output is provided through a standard 44-pin D-subminiature female receptacle. A  
mating connector kit can be ordered separately as AM111 (C&H Part Number 11029700-0001).  
CONEC part number 302A10889X (or equivalent) is used on the assembly. The connector pin-  
outs are shown in Appendix A.  
Table I. Specifications  
MAXIMUM RATINGS  
Parameter  
Condition  
Rating  
Units  
Voltage  
Clean room Environment  
(any terminal to any other terminal)  
125  
141  
200  
60  
VDC  
VAC rms  
VAC peak  
VDC  
Non-Clean room Environment  
(any terminal to any other terminal)  
43  
68  
5
3.53  
5
VAC rms  
VAC peak  
A
A rms  
A peak  
Current (non-inductive)  
Power  
Per Switch, DC  
Per Switch, AC  
Per Switch, AC  
Per Switch, DC  
Per Switch, AC  
Per Module, DC  
Per Module, AC  
100  
100  
300  
300  
W
VA  
W
VA  
Thermal Offset  
< 20  
µV typ  
RESISTANCE  
Parameter  
Condition  
Rating  
Units  
Closed Channel  
Insulation  
End of Life  
< 2  
Between any two points  
≤40°C, ≤65% relative humidity  
≤25°C, ≤40% relative humidity  
108  
108  
typ  
typ.  
RELAYS  
Parameter  
Relay Life  
Condition  
No load  
Rated load  
register programming  
Rating  
Units  
5 x 107  
3.5 x 104  
16  
operations  
operations  
ms  
Time to open/close  
AC  
Parameter  
Condition  
Rating  
Units  
Bandwidth  
Channel-to-Channel Crosstalk  
-3dB  
<100KHz  
<1MHz  
<10MHz  
Channel-to-Channel  
Channel-to-Common  
10  
MHz typ  
dB  
dB  
dB  
pF typ  
pFtyp  
<-80  
<-60  
<-40  
25  
Closed Channel Capacitance  
60  
2
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1.2.3 Mechanical  
The mechanical dimensions of the module are in conformance with ANSI/VITA 12-1996 for  
single-wide M-Module modules. The nominal dimensions are 5.687” (144.5 mm) long 2.082”  
(52.9 mm) wide.  
1.2.4 Bus Compliance  
The module complies with the ANSI/VITA 12-1996 Specification for single-wide M-Modules  
and the MA-Module trigger signal extension. The module also supports the optional IDENT and  
VXI-IDENT functions.  
Module Type:  
Addressing:  
Data:  
M-Module  
A08  
D16  
Interrupts:  
DMA:  
Triggers:  
Identification:  
Manufacturer ID:  
Model Number:  
supported  
not supported  
not supported  
IDENT  
0FFF16 (See note below)  
068A16  
VXI Model Number: 025F16  
Note: C&H obtained the manufacturing rights from Hewlett Packard (Agilent) for this module. The  
ID’s have been retained as Hewlett Packard to provide compatibility with existing SW drivers.  
1.2.5 Applicable Documents  
ANSI/VITA 12-1996 Standard for The Mezzanine Concept M-Module Specification, Approved  
May 20, 1997, American National Standards Institute and VMEbus International Trade  
Association, 7825 E. Gelding Dr. Suite 104, Scottsdale, AZ 85260-3415, http://www.vita.com  
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2.0 INSTALLATION  
2.1 UNPACKING AND INSPECTION  
Verify that there has been no damage to the shipping container. If damage exists then the  
container should be retained, as it will provide evidence of carrier caused problems. Such  
problems should be reported to the shipping courier immediately, as well as to C&H. If there is  
no damage to the shipping container, carefully remove the module from its box and anti static bag  
and inspect for any signs of physical damage. If damage exists, report immediately to C&H.  
2.2 HANDLING PRECAUTIONS  
The module contains components that are sensitive to electrostatic discharge. When handling the  
module for any reason, do so at a static-controlled workstation, whenever possible. At a  
minimum, avoid work areas that are potential static sources, such as carpeted areas. Avoid  
unnecessary contact with the components on the module.  
2.3 INSTALLATION OF M/MA MODULES  
All M-Modules must be installed into the carrier before the carrier is installed into the host  
system. To install a module, firmly press the connector on the M/MA-Module together with the  
connector on the carrier as shown in Figure 1. Secure the module through the holes in the bottom  
shield using the original screws.  
CAUTION: M/MA-Module connectors are NOT keyed. Use extra caution  
to avoid misalignment. Applying power to a misaligned  
module can damage the M/MA-Module and carrier.  
M/MA-Module  
Row not used  
A
B
Carrier  
Figure 1. M-MODULE Installation  
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2.4 PREPARATION FOR RESHIPMENT  
If the module is to be shipped separately it should be enclosed in a suitable water and vapor proof  
anti-static bag. Heat seal or tape the bag to insure a moisture-proof closure. When sealing the  
bag, keep trapped air volume to a minimum. The shipping container should be a rigid box of  
sufficient size and strength to protect the equipment from damage. If the module was received  
separately from a C&H system, then the original module shipping container and packing material  
may be re-used if it is still in good condition.  
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3.0 FUNCTIONAL DESCRIPTION  
3.1 OVERVIEW  
A simplified switching schematic is shown in Figure 2.  
NC = Normally Closed  
No Connection: Pin 7, 19, 26  
CGND: Pin 14, 15, 30, 37, 44  
NO = Normally Open  
com = Common  
Figure 2. Switching Schematic  
3.1.1 M-Module Interface  
An M-Module interface allows communication between the M222 and the carrier module. The  
interface is an asynchronous 16-bit data bus with interrupt capabilities. The interface adheres to  
the ANSI/VITA 12-1996 Standard for The Mezzanine Concept M-Module Specification for MA  
modules.  
3.1.2 ID EEPROM  
An EEPROM holds sixty-four 16-bit words of M-Module ID data and VXI M-Module data.  
Refer Section 3.2.2 for more details.  
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3.2 IDENTIFICATION AND CONFIGURATION REGISTERS  
3.2.1 I/O Registers  
There are a variety of registers used to configure and control the M222 module. These registers  
are located in the IOSpace. The address map of the registers is shown in Table II. Details of the  
registers are provided in Figure 3.  
Table II. I/O Address Map/Command Summary  
Offset  
(hex)  
00  
02  
04  
06 – 12  
14  
Register Name  
Status Register  
Control Register  
Interrupt  
Reserved  
Relay  
Register Type  
Read Only  
Read/Write  
Read Only  
NA  
Read/Write  
NA  
Read/Write  
16 – FC  
FE  
Reserved  
ID EEPROM  
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Reg. 00  
Bit 15  
Status  
14  
13  
12  
11  
10  
9
8
7
6
5
4
3
2
1
0
Write  
Read  
Read-only  
Not Used  
BUSY  
Not Used  
RIRQ  
BUSY Relay Busy 1 (0 = relay is busy, not stable yet (busy for 16mS after Relay Register is written))  
RIRQ Relay Interrupt 2 (1 = interrupt pending)  
Notes:  
1. This BUSY bit is re-triggerable.  
2. Reading this register does not clear a pending interrupt (RIRQ).  
Reg. 02  
Control  
Bit 15  
14  
13  
12  
11  
10  
9
8
7
6
5
4
3
2
1
0
Write  
Read  
Not Used  
REN SRST  
Not Used  
REN SRST  
REN Enable Relay Interrupt (1 = enables relay interrupt (after BUSY timer))  
SRST Soft Reset (1 = initiates a soft reset)  
Reg. 04  
Interrupt  
Bit 15  
14  
13  
12  
11  
10  
9
8
7
6
5
4
3
2
1
0
Write  
Read  
Not Used  
Not Used  
RIRQ  
RIRQ Relay Interrupt (1 = interrupt pending)  
Note: Reading this register clears a pending interrupt.  
Reg. 14  
Relay  
Bit 15  
Write  
Read  
14  
13  
12  
11  
10  
Not Used  
Not Used  
9
8
7
6
5
4
3
2
1
0
CH3  
CH2  
CH1  
CH0  
CH3  
CH2  
CH1  
CH0  
CH0 – CH3 Channel (1 = channel open (COM-NC), 0 = channel closed (COM-NO))  
Reg.  
FE  
Bit  
Write  
Read  
ID EEPROM  
15  
1
14  
1
13  
1
12  
1
11  
1
10  
1
9
Unused  
1
8
7
6
5
0
4
0
3
0
2
CS  
0
1
CLK  
0
0
I/O  
I/O  
1
0
0
I/O Data In/Out (value from the Data Out pin of the ID EEPROM)  
CLK Clock (1 = forces the SK pin of the ID EEPROM high, 0 = low)  
CS Chip Select (1 = selects the ID EEPROM, 0 = deselects the ID EEPROM)  
Notes:  
1. The ID EEPROM register allows you to access the contents of the ID EEPROM which contains  
sixty-four 16-bit works of M-Module ID and VXI M-Module data.  
2. CAUTION: Do not attempt to write to Bit00 of the ID EEPROM register. You could overwrite the  
contents of the EEPROM.  
Figure 3. I/O Registers  
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3.2.2 Module Identification  
The M222 supports the identification function called IDENT. This IDENT function provides  
information about the module and is stored in a sixteen-word deep (32 byte) serial PROM.  
Access is accomplished with read/write operations on the last address in IOSpace (hex FE) and  
the data is read one bit at a time. The PROM is compatible with a standard IC 9603 type PROM.  
For specific timing information refer to the 9603 or compatible PROM data sheet. Data should  
not be written to the PROM.  
The module also supports the VXI-IDENT function. This function is not part of the approved  
ANSI/VITA 12-1996 standard. This extension to the M-module IDENT function increases the  
size of the PROM to 64 words and includes VXI compatible ID and Device Type Registers.  
Details are shown in Table III.  
Table III. M/MA Module PROM IDENT Words  
Word  
0
Description  
Sync Code  
Value (hex)  
5346  
1
2
3
4-7  
8-15  
16  
17  
18  
Module Number  
Revision Number 1  
Module Characteristics 2  
Reserved  
068A  
0002  
1868  
0000  
0000  
ACBA  
0FFF 3  
F25F  
0000  
0000  
M-Module Specific  
VXI Sync Code  
VXI ID  
VXI Device Type 3  
Reserved  
19-31  
32-63  
M-Module Specific  
Notes:  
1) A Revision Number greater than 1 indicates that the module was manufactured by C&H Technologies.  
2) The Module Characteristics bit definitions are:  
Bit(s)  
15  
14/13  
12  
Description  
0 = no burst access  
unused  
0 = needs 12V  
1 = needs +5V  
11  
10  
9
0 = no trigger outputs  
0 = no trigger inputs  
00 = no DMA requestor  
11 = interrupt type  
01 = 16-bit data  
00 = 8-bit address  
0 = no memory access  
8/7  
6/5  
4/3  
2/1  
0
3) The VXI ID of 0xFFF is the identification value for Hewlett-Packard. C&H has left the ID equal to  
this value to allow operation with existing E2274A software drivers. The revision number (see note 1)  
can be used to identify the module as manufactured by C&H.  
4) The VXI Device Type word contains the following information:  
Bit(s)  
15-12  
11-0  
Description  
F16 = 256 bytes of required memory  
25F16 = C&H specified VXI model code for M222  
10  
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4.0 OPERATION  
The M222 is a register-based instrument that is controlled through a series of I/O registers  
described in Section 3.2.1. The exact method of accessing and addressing the I/O registers is  
dependent on the M-Module carrier used to interface the module to your data acquisition or test  
system. Refer to the carrier’s documentation for information on the address mapping of an M-  
Module’s I/O registers and to your system software documentation for details on data access.  
Typically a high level driver is available to aid in control of the module. Refer to the software  
driver documentation for instructions on using the driver.  
4.1 RELAY OPEN/CLOSE  
Each relay channel can be separately controlled with the Relay Register (Reg. 0x14). Writing a 1  
to a bit will OPEN the relay (i.e., connect the common terminal to the normally closed terminal)  
and writing a 0 to a bit will CLOSE the relay (i.e., connect the common terminal to the normally  
open terminal) as shown in Figure 4.  
Figure 4. Effects of Opening/Closing Relay  
4.2 INTERRUPTS  
The M222 can generate an interrupt request 16ms after a relay is opened or closed indicating that  
the relay has settled. The interrupt must be enabled in the Control Register (Reg. 0x02).  
M-module carriers and system controllers treat the interrupts differently. Refer to your carrier  
and controller documentation to determine how to properly configure them to handle the M-  
module interrupt request.  
11  
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12  
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APPENDIX A: CONNECTORS  
MAXIMUM VOLTAGE/CURRENT: The maximum  
voltage that may be applied to any connector on the M222 is  
125 VDC, 141 VAC rms, or 200 VAC peak. These limits  
apply only if the product is installed in a humidity-controlled  
(<60% RH) environment where airborne contaminants and  
transients are controlled, and there is NOT a relay  
connection made to power mains. If these conditions  
CANNOT be maintained, then the maximum voltage is 60  
VDC, 43 VAC rms or 68 VAC peak.  
The maximum current (non-inductive) that may be applied to  
the M222 is:  
Per Switch: 5 ADC, 5 AAC peak, 100W DC, 100VA AC  
Per Module: 300W DC, 300VA AC  
Pin # Use  
Pin # Use  
Pin# Use  
1
2
3
4
5
6
7
8
9
CH0_NC  
16 CH0_NC  
17 CH0_COM  
18 CH0_NO  
19 NC  
20 CH1_NC  
21 CH1_COM  
22 CH1_NO  
23 CH2_NC  
24 CH2_COM  
25 CH2_NO  
26 NC  
31 CH0_NC  
32 CH0_COM  
33 CH0_NO  
34 CH1_NC  
35 CH1_COM  
36 CH1_NO  
37 CHGND  
38 CH2_NC  
39 CH2_COM  
40 CH2_NO  
41 CH3_NC  
42 CH3_COM  
43 CH3_NO  
44 CHGND  
CH0_COM  
CH0_NO  
CH1_NC  
CH1_COM  
CH1_NO  
NC  
CH2_NC  
CH2_COM  
10 CH2_NO  
11 CH3_NC  
12 CH3_COM  
13 CH3_NO  
14 CHGND  
15 CHGND  
27 CH3_NC  
28 CH3_COM  
29 CH3_NO  
30 CHGND  
NC = No Connection  
Figure A-1. Front Panel I/O Signals  
A-1  
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A-2  
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N O T E S:  
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.
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READER'S COMMENT FORM  
Your comments assist us in improving the usefulness of C&H's publications; they are an important  
part of the inputs used for revision.  
C&H Technologies, Inc. may use and distribute any of the information that you supply in any way  
that it believes to be appropriate without incurring any obligation whatsoever. You may, of  
course, continue to use the information, which you supply.  
Please refrain from using this form for technical questions or for requests for additional  
publications; this will only delay the response. Instead, please direct your technical questions to  
your authorized C&H representative.  
COMMENTS:  
Thank you for helping C&H to deliver the best possible product. Your support is appreciated.  
Sincerely,  
F. R. Harrison  
President and CEO  
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INSTRUCTIONS  
In its continuing effort to improve documentation, C&H Technologies, Inc. provides this form for  
use in submitting any comments or suggestions that the user may have. This form may be  
detached, folded along the lines indicated, taped along the loose edge (DO NOT STAPLE), and  
mailed. Please try to be as specific as possible and reference applicable sections of the manual or  
drawings if appropriate. Also, indicate if you would like an acknowledgment mailed to you  
stating whether or not your comments were being incorporated.  
NOTE: This form may not be used to request copies of documents or to request  
waivers, deviations, or clarification of specification requirements on current  
contracts. Comments submitted on this form do not constitute or imply  
authorization to waive any portion of the referenced document(s) or to amend  
contractual requirements.  
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