MS2421 / MS2422 / MS2431
Bar Code Scanner
Installation and User’s Guide
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Table of Contents
Manual Scope........................................................................................................................................1
Product Overview...................................................................................................................................1
Base Kit Components ............................................................................................................................2
Optional Accessories .............................................................................................................................2
Replacement Parts ................................................................................................................................3
General Precautions ..............................................................................................................................4
Operational ............................................................................................................................................5
Mechanical.............................................................................................................................................5
Electrical ................................................................................................................................................6
Environmental........................................................................................................................................6
MS2421/MS2431 Components ..............................................................................................................7
MS2421 Scanner Dimensions................................................................................................................8
MS2431 Scanner Dimensions................................................................................................................8
MS2421/MS2431 Connector Panel........................................................................................................9
MS2422 Dimensions............................................................................................................................ 12
MS2422 Connector Panel.................................................................................................................... 12
Power Installation........................................................................................................................... 16
Checkout Counter Layout Consideration........................................................................................ 16
MS2431 Mounting Diagram (Three Point Support)......................................................................... 21
Cable Installation (Interface Specific)................................................................................................... 22
RS232............................................................................................................................................ 22
RS485............................................................................................................................................ 26
Cable Installation (Secondary Honeywell Scanner).............................................................................. 28
EAS Deactivation................................................................................................................................. 30
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Failure Modes...................................................................................................................................... 37
Beeper Tone and Volume Control.................................................................................................. 42
The Multi-Function Button.............................................................................................................. 42
Power-Up Test Mode........................................................................................................................... 43
Horizontal Scan Window Replacement................................................................................................ 45
Cable Connector Configurations.......................................................................................................... 53
Customer Support................................................................................................................................... 63
Technical Assistance........................................................................................................................... 63
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Introduction
Manual Scope
This guide provides information on the installation, setup and operation of the MS2421, MS2422, and
MS2431 scanner only models. If the MS2421or MS2431 scanner has been integrated with a scale, please
refer to the Scale Addendum for detailed instructions on the appropriate cable connections, communication
specifications and calibration procedures required by the scale manufacturer and local Weights and
Measures Authorities.
Product manuals are also available for download in Adobe® Acrobat® file format at
Product Overview
MS2421, MS2422 and MS2431 scanner models are designed to meet the demanding needs of high
volume supermarket and point-of-sale applications. With advanced features like 5-sided, 360° scanning,
5400 scans per second, a comprehensive scan zone and advanced decoding software, this high
performance series of in-counter scanner/scale ready products guarantees fast customer checkouts with
minimal operator fatigue and stress. The MS2421, MS2422, and MS2431 scanners are equipped with a
multitude of standard features including:
StratosSCAN – 5-sided, 360° scanning that minimizes product orientation
StratosSPHERE – Decoding software that reads poor quality and damaged bar codes
StratosSYNC – Horizontal and vertical scanning zones operate independently from one another
GS1 DataBar Decoding – Decodes GS1 DataBar, GS1 DataBar Limited, and GS1 DataBar
Expanded symbologies
Flash ROM – Upgrade latest software enhancements on site
Powered Aux Port – Connect hand-held scanner for large or bulky items
Scale Ready Model – The MS2421/MS2431 model is designed for custom scale integration
Loud Speaker – 3 volume/7 tone settings can be heard in all environments
Easy Configuration – Windows® based utility or simple bar code setup
Fully Automatic – “No touch” wake up from power save modes
EAS Deactivation – Electronic Article Surveillance (EAS) included
Field Replaceable Vertical Window – Quickly remove vertical window for cleaning or replacement
StratosSCOPE – Visual diagnostic indicator for easy to read feedback on scanner condition
StratosSWAP – Modular optics engine technology – small, pre-aligned, field replaceable modules
StratosSCHOOL – Operator training software
1
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Base Kit Components
Part #
Description
MS24xy-105Nz Bar Code Scanner
2
3
MS2420
MS2430; 508 mm (20.0")
x
y
z
1
Scanner Only, Scale Ready – Compact
Scanner Only – Sub-Compact
Diamonex Horizontal Window
Sapphire Horizontal Window
2
D
S
00-02407
00-02034
00-05311
MetroSelect™ Configuration Guide
MS2xxx Stratos™ Series Configuration Addendum
MS2421 / MS2422 / MS2431 Bar Code Scanner Installation and User’s Guide
Other items may be ordered for the specific protocol being used. To order additional items, contact the
dealer, distributor or call the customer service department.
Optional Accessories
Part #
Description
57-57210x-N-3
RS232 Interface Cable, Straight Cord with Short Strain Relief
57-57212x-N-3
57-57201x-N-3
RS485 Port 9 Cable, Straight Cord
USB Full Speed Communication Cable, Straight Cord, Type A (Non-Locking)
Connector
USB Full Speed Communication Cable, Straight Cord, Locking 12V Plus-Power™
Type A
57-57227x-N-3
57-57008x-N-3
57-57099x-3
Aux Program Cable, Straight Cord with Short Strain Relief
LSO RS232 PowerLink AUX Cable with built in power jack, Straight Cord
RS232 AUX, Straight Cord, 3.7 m (12') (for 95xx, 5145 and 7580 scanners)
57-57099x-3-12
CBL-420-300-C00 RS232 AUX, Coiled Cord (for 1200, 1300 and 1900 Series scanners)
52-52511x
52-52556x
EAS cable, 24"
EAS cable, 6'
Applicable for IBM® Host applications.
2
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Optional Accessories
Part #
Description
AC to DC Power Transformer - Regulated
Output: +5.2V @ 4A
+12V @ 1.5A
70-74868
70-74882
70-74880
70-74884
70-74886
70-74888
120V United States and Canada
220V – 240V Continental European
220V – 240V United Kingdom
220V – 240V China
220V – 240V Australia
220V – 240V India
Replacement Parts
Part #
Description
Window types (Diamonex and Sapphire) are not interchangeable due to laser safety
and/or scanner performance differences.
Caution
To change window type, the scanner must be returned to the manufacturer for
reconfiguration.
46-00233
46-00296
46-00234
46-01087
46-00235
46-00297
46-00236
46-01086
Diamonex Platter – Compact
Diamonex Platter – Compact with Platter Lift Handle
Diamonex Platter – Sub-Compact Size
Diamonex Platter – 508 mm
Sapphire Platter – Compact
Sapphire Platter – Compact with Platter Lift Handle
Sapphire Platter – Sub-Compact Size
Sapphire Platter – 508 mm
Other items may be ordered for the specific protocol being used. To order additional items, contact the
dealer, distributor or call the customer service department.
3
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General Precautions
The following are some general precautions to remember when handling the MS2421/MS2422/MS2431
scanner.
Do not turn the unit upside down with the platter in place.
Figure 1
Do not press on the window in the platter or the
vertical window frame.
Figure 2
Platter Removal
No hardware or tools are required to remove the platter
(see Figure 3). Refer to the Maintenance section of
this manual for additional information on platter
replacement.
Note: See caution statement on page 3.
Figure 3
Finger Recesses
There are two finger recess areas provided to assist
when lifting the scanner. Rest both thumbs against the
vertical window frame for added stability when lifting the
unit by the finger recesses.
Figure 4
4
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Design Specifications
Operational
Light Source: VLD 650 nm
Peak Laser Power: <1.5 mW
Max Optical Power: 10 mW
Wavelength: 650 nm
Embedded Laser:
Horizontal Depth of Field: 0 mm - 100 mm (0"- 4") for 0.33 mm (13 mil) Bar Code
Vertical Depth of Field: 0 mm - 216 mm (0"- 8.5") for 0.33 mm (13 mil) Bar Code
Scan Speed: 5400 Scan Lines per Second
No. of Scan Lines: 54 (38 Horizontal / 16 Vertical)
Motor Speed: 6000 / 6000 RPM (Horizontal / Vertical)
Min Bar Width: 0.114 mm (4.5 mil)
Scan Zone: 360°
All Standard 1-D Bar Codes, GS1 DataBar, GS1 DataBar - Expanded, and
GS1 DataBar Limited Bar Codes
Decode Capability:
System Interfaces: RS232, Aux RS232, RS485, and USB
Print Contrast: 35% Minimum Reflectance Difference
Up to 80 data characters. Maximum number will vary based on symbology
No. Characters Read:
and density.
Beeper Operation: 7 Tones or No Beep; 3 Volume Settings
Blue Laser ON, Ready to Scan
Indicators (LED):
Blue Flash Good Read, Decoding
Mechanical
Length
MS2421 L x W x H: 399 mm (15.7")
Width
292 mm (11.5")
292 mm (11.5")
292 mm (11.5")
Tower Height
130 mm (5.12")
MS2422 L x W x H: 353 mm (13.9")
130 mm (5.12")
130 mm (5.12")
MS2431 L x W x H: 508 mm (20.0")
Depth (Below Counter): 100 mm (3.9"), All Models
MS2421: 7.20 kg (16 lbs.)
Weight (with Platter): MS2422: 6.80 kg (15 lbs.)
MS2431: 8.20 kg (18 lbs.)
Specifications are subject to change without notice.
5
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Electrical
Voltage Supply: 4A @ +5V / 0.8A @ +12V
Operating: 11.9 Watts
Power:
Standby: 3.25 Watts
Operating: 1.7A @ 5.2V / 0.2A @ 12V
Standby: 0.6A @ 5.2V / 0.07A @ 12V
Current:
Current Limits on
Integrated Scale and/or Do not exceed maximum current of 12V @ 0.7A / 5V @ 0.2A
Scale Display:
DC Transformers: Class I; 5.2VDC @ 4A; 12VDC @ 1.5A
Environmental
Operating Temperature: 0°C to 40°C (32°F to 104°F)
IP Rating: IP 55
Light Levels: 4842 Lux (450 footcandles)
Storage Temperature: -40°C to 60°C (-40°F to 140°F)
Humidity: 5% to 95% Relative Humidity, Non-Condensing
Contaminants: Sealed to resist airborne particulate contaminants.
Ventilation: None Required
Specifications are subject to change without notice.
6
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Base Model Characteristics
MS2421/MS2431 Components
Figure 5. MS2421/MS2431 Components (MS2421 Shown.)
Item No.
Description of Item
1
2
3
4
5
Speaker
Finger Recesses for Lifting
High Impact Window Frame / Vertical Window (Laser Aperture)
Replaceable Stainless Steel Platter with Diamonex or Sapphire Horizontal Window
(Laser Aperture)
6
7
8
Flow Direction Indicators
Optional Product Weight Flip Up Bar / Platter Lift Handle
(Option provided with scale ready MS2421-105x or MS2431-105x models only.)
9
10
11
12
Optional Leveling Feet (Option provided with scale ready MS2421-105x/MS2431-105x
models only.)
13
Note: Scanner label information can be found on page 10.
7
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MS2421/MS2431Connector Panel
Figure 8. MS2421/MS2431 Connector Panel
* Scale ready MS2421/MS2431 models supply additional connectors for scale and display communication
cabling. The use of these connections is dependent on the specific manufacturer of the scale being
integrated. Please refer to the custom Scale Installation Guide for detailed instructions on the appropriate
cable hookups and calibration procedures for local Weights and Measures authorities.
Specifications are subject to change without notice.
9
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MS2421/MS2431 Caution and Serial Number Labels
Figure 9. MS2421/MS2431 Label Locations (Top) and Examples (Bottom)
Caution:
To maintain compliance with applicable standards, all circuits connected to the imager must
meet the requirements for SELV (Safety Extra Low Voltage) according to EN/IEC 60950-1.
To maintain compliance with standard CSA C22.2 No. 60950-1/UL 60950-1 and norm
EN/IEC 60950-1, the power source should meet applicable performance requirements for a
limited power source.
10
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MS2422 Components
Figure 10. MS2422 Components
Item No.
Description of Item
1
2
3
4
5
Finger Recesses for Lifting (Located Under Platter)
High Impact Window Frame / Vertical Window (Laser Aperture)
Replaceable Stainless Steel Platter with Diamonex or Sapphire Horizontal Window
(Laser Aperture)
6
7
8
Flow Direction Indicator
9
10
11
Note: Scanner label information can be found on page 13.
11
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MS2422 Caution and Serial Number Labels
Figure 13. MS2422 Label Locations (Top) and Examples (Bottom)
Caution:
To maintain compliance with applicable standards, all circuits connected to the imager must
meet the requirements for SELV (Safety Extra Low Voltage) according to EN/IEC 60950-1.
To maintain compliance with standard CSA C22.2 No. 60950-1/UL 60950-1 and norm
EN/IEC 60950-1, the power source should meet applicable performance requirements for a
limited power source.
13
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14
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Installation
Quick Installation Outline
The following is a quick preview of the steps required for first time installations. Each item is discussed in
detail later in this section.
•
•
Determine clearance, ventilation, and service access requirements.
Determine checkout counter layout taking into account package flow, cable routing, and power
requirements.
•
•
•
•
•
•
•
Choose the mounting option which provides the best cable/power access and unit stability.
Unpack the unit.
Make the appropriate countertop cutouts and install all support brackets.
Place the unit in the counter.
Install the platter.
Follow the steps under the correct interface to connect the cables and power supply.
Configure the unit for the correct interface.
Site Requirements
Before installing your MS2421/MS2422/MS2431 bar code scanner, please consider the following items.
Vertical Clearance
A minimum clearance height of 5.25" from the checkout counter surface is needed for the vertical 'hood' on
all of the scanner models.
Ventilation and Spacing
The MS2421/MS2422/MS2431 models have a die-cast housing to dissipate heat allowing the unit to
operate without a ventilation fan. The temperature surrounding the unit is recommended not to exceed
40°C (104°F). There should be adequate convection and minimal heat producing equipment in close
proximity of the unit. A cooling fan with a filter is recommended if there will be a conveyor motor or other
heat producing equipment close to the unit that will create a high temperature environment.
Service Access
When routing and installing the cable(s) and power supply, make sure you leave access so that these
components may be swapped easily without the need to remove the unit from the checkout counter.
When changing the StratosSWAP optics engine modules, removing the unit completely from the checkout
counter is recommended.
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Site Requirements
Power Installation
The Power Supply (AC/DC) should be connected to an AC Outlet that is free of electrical noise (clean). A
qualified electrician can determine the amount of electrical noise on the AC line. See additional information
on power installation and restrictions under the Installation: Interface section of this manual.
Note: Using a switched AC outlet is recommended. The switch should be located on the operator’s side
of the checkout counter in close proximity to the scanner to facilitate service of the unit.
Checkout Counter Layout Considerations
When placing a scanner in a checkout counter, the following factors should be considered:
•
Items should flow at a distance to the operator that maximizes comfort. The operator should not
need to stretch or strain to reach for and scan packages.
•
The MS2421/MS2422/MS2431 can scan a bar code on five sides of a package. The packages
should flow into the scan area that provides the maximum reading performance. No lifting or
orientation of the items is necessary. A properly placed item diverter can maximize the flow of
packages.
•
In what direction are the packages flowing? Most checkout counters are designed for left-handed
takeaway. If the operator is facing the vertical window of the scanner, packages flow from the
operator's right to left. The packages are in queue on the conveyor to the right and the bagging is
to the left.
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Unpacking the Unit
1. Make sure the shipping box is topside up before
opening.
2. Remove the accessories box and check the box’s
content for the following items.
Product Manuals
Power Supply
Communication Cables
Remote Scale Display (Optional)
Figure 14
3. Carefully remove the platter and store it in a safe
location until the unit is properly installed into the
checkout counter.
4. Lift the scanner out of the box by carefully grasping
both sides near the center of the unit and lifting
Important! Do not remove the scanner from the
box by grabbing the shipping foam.
This can result in the unit falling!
Figure 15
5. Carefully remove the shipping foam from around
the scanner.
Figure 16
17
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Cable Installation (Interface Specific)
RS232
The following steps describe how to properly install the cables for an RS232 application. The scanner
must then be configured to match the host’s RS232 parameters. Cable installation alone does not
guarantee that the scanner will communicate properly with the host system.
Note: Configuration bar codes are located in the MetroSelect Configuration Guide (PN 00-02407x) and
the MS2xxx Stratos Series Configuration Addendum (PN 00-02034x).
1. Turn off the host system.
2. Plug the 10-pin RJ45 end of the RS232 interface cable (PN 57-57210x-N-3) into the 10-pin socket
3. Connect the other end of the RS232 cable to the proper communication port on the host device.
Stop: Before continuing, verify that the RS232 interface cable is connected to the appropriate
interface socket on the scanner. An incorrect cable connection can cause communication
problems or potential damage to the scanner and/or terminal.
4. Plug the external power supply (PN 46-002xx) into the 3-pin Molex socket labeled ‘DC Power In’ on the
bottom of the scanner.
Note: Check the AC input requirements of the power supply to make sure the voltage matches the
AC outlet. The outlet should be located near the equipment and be easily accessible.
Using a switched AC outlet is recommended. The switch should be located on the
operator’s side of the checkout counter in close proximity to the scanner to facilitate
calibration and service of the unit.
5. Connect AC power to the transformer. If the AC outlet is equipped with an on/off switch, turn the power
on.
6. Turn on the host system.
7. Scan the Recall Defaults bar code.
Note: The Recall Defaults bar code is located in the MetroSelect Configuration Guide
(PN 00-02407x), under Need to Start Over.
8. Configure the scanner to match the host system’s RS232 parameters.
Note: Refer to the MetroSelect Configuration Guide (PN 00-02407x) under Section G: RS232 for
enabling RS232 Mode (scan the recall defaults bar code first).
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Cable Installation (Interface Specific)
RS232
xx**
Specifies international connection. See the Base Kit
Components and Optional Accessories section of this guide for
a complete listing.
manual.
Figure 21. RS232 Interface Cable Installation Schematic
23
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Cable Installation (Interface Specific)
Full Speed USB
The following steps describe how to properly install the cables for a Full Speed USB scanner application.
The scanner must then be configured to match the host’s USB parameters. Cable installation alone does
not guarantee that the scanner will communicate properly with the host system.
Note: Configuration bar codes are located in the MetroSelect Configuration Guide (PN 00-02407x) and
the MS2xxx Stratos Series Configuration Addendum (PN 00-02034x).
1. Turn off the host system.
2. Plug the 10-pin RJ45 end of the USB interface cable (PN 57-57201x-N-3 or 57-57227x-N-3) into the
3. Connect the other end of the USB interface cable to the appropriate USB port on the host device.
Stop: Before continuing, verify that the USB interface cable is connected to the appropriate socket
on the scanner. An incorrect cable connection can cause communication problems or
potential damage to the scanner and/or terminal.
Note: Plugging the scanner into the USB port of the host does not guarantee that scanned
information will appear at the host. A software driver and correct configuration setting are
also required for proper communication to occur.
4. Plug the external power supply (PN 46-002xx) into the 3-pin Molex socket labeled ‘DC Power In’ on the
bottom of the scanner.
Note: Check the AC input requirements of the power supply to make sure the voltage matches
the AC outlet. The outlet should be located near the equipment and be easily accessible.
Using a switched AC outlet is recommended. The switch should be located on the
operator’s side of the checkout counter in close proximity to the scanner to facilitate
calibration and service of the unit.
5. Connect AC power to the transformer. If the AC outlet is equipped with an on/off switch, turn the power
on.
6. Turn on the host system.
7. Configure the scanner to match the host system’s USB parameters.
Note: The IBM OEM Full Speed USB Communication Defaults** bar code is located in the MS2xxx
Stratos Series Configuration Addendum (PN 00-02034x) under Scanner Configuration Bar
Codes: Dual Cable Scanner Configuration Bar Codes, IBM OEM Full Speed USB
Communication Defaults and IBM OEM Full Speed USB Protocols.
** Applies only with MS2421/MS2431 non-scale scanner models. If a scale has been integrated into a
scale ready MS2421/MS2431, the configuration bar code shown does not apply.
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Cable Installation (Interface Specific)
Full Speed USB
Step 8 is for USB Serial Emulation Mode or Keyboard Emulation Mode only.
8. Configure the scanner for USB Serial Emulation Mode or USB Keyboard Emulation Mode by scanning
the appropriate configuration bar codes in the USB section of the MetroSelect Configuration Guide
(PN 00-02407x) under Low Speed USB. Any low speed USB warnings may be disregarded when
utilizing these codes for a Full Speed USB scanner.
Note: Step 7 must be completed before continuing to step 8 for these features to work properly.
xx**
Specifies international connection. See the Base Kit
Components and Optional Accessories section of this guide
for a complete listing.
this manual.
Figure 22. USB Cable Installation Schematic
25
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Cable Installation (Interface Specific)
RS485
The following steps describe how to properly install the cables for an RS485 scanner application. The
scanner must then be configured to match the host’s RS485 parameters. Cable installation alone does
not guarantee that the scanner will communicate properly with the host system.
Note: Configuration bar codes are located in the MetroSelect Configuration Guide (PN 00-02407x) and the
MS2xxx Stratos Series Configuration Addendum (PN 00-02034x).
1. Turn off the host system.
2. Plug the 10-pin RJ45 end of the RS485 interface cable (PN 57-57212x-N-3) into the 10-pin socket
3. Connect the other end of the RS485 cable to communication port 9 on the host device.
Stop: Before continuing, verify that the RS485 cable is connected to the appropriate interface
socket on the scanner. An incorrect cable connection can cause communication problems
or potential damage to the scanner and/or terminal.
Note: Plugging the scanner into the serial port of the host device does not guarantee that scanned
information will appear at the host device. A software driver and correct configuration
settings are also required for proper communication to occur.
4. Plug the external power supply (PN 46-002xx) into the 3-pin Molex socket labeled ‘DC Power In’ on the
bottom of the scanner.
Note: Check the AC input requirements of the power supply to make sure the voltage matches the
AC outlet. The outlet should be located near the equipment and be easily accessible.
Using a switched AC outlet is recommended. The switch should be located on the
operator’s side of the checkout counter in close proximity to the scanner to facilitate
calibration and service of the unit.
5. Connect AC power to the transformer. If the AC outlet is equipped with an on/off switch, turn the power
on.
6. Turn on the host system.
7. Configure the scanner to match the host system’s RS485 parameters.
Note: Refer to the MS2xxx Stratos Series Configuration Addendum (PN 00-02034x) under
Scanner Configuration Bar Codes: IBM 3rd Generation Communication Defaults and IBM
3rd Generation Protocols.
Additional general configuration bar codes can be found in the MetroSelect Configuration
Guide (PN 00-02407x).
26
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Cable Installation (Interface Specific)
RS485
xx**
Specifies international connection. See the Base Kit
Components and Optional Accessories section of this guide for
a complete listing.
manual.
Figure 23. RS485 Cable Installation Schematic
27
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Cable Installation (Secondary Honeywell Scanner)
The following steps describe how to properly install the cables between a secondary Honeywell scanner
and the MS2421/MS2422/MS2431 scanner. The MS2421/MS2422/MS2431 and the secondary scanner
must then be configured to communicate properly. Cable installation alone does not guarantee that the
MS2421/MS2422/MS2431 scanner will communicate properly with the host system and secondary
scanner.
Note: Contact a customer service representative before connecting another manufacturer’s scanner to the
MS2421/MS2422 as a secondary scanner.
Configuration bar codes are located in the MS2xxx Stratos Series Configuration Addendum
(PN 00-02034x) under Scanner Configuration Bar Codes: Auxiliary Port, Quick Start for a
Secondary Honeywell Scanner.
1. Refer to pages 22 - 26 for the type of interface (RS232, RS485, etc.) required for your application.
Follow the cable installation steps under the appropriate interface before continuing. Once the
communication and power cables have been installed follow step 2 below for the secondary scanner
installation.
2. Connect the straight end of the RS232 PowerLink AUX cable (PN 57-57099x-3 or PN 57-57099x-3-12)
3. Connect the angled end of the RS232 AUX cable (PN 57-57099x-3 or PN 57-57099x-3-12) into the 10-
pin socket labeled
‘Aux RS232 In’, on the bottom of the MS2421/MS2422/MS2431 scanner.
Note: The MS2421/MS2422/MS2431 series’ aux port requires the signals; transmit, receive, RTS
& CTS from the secondary scanner.
For Rev G Units or later: The MS2420/MS2430’s auxiliary port will support 5VDC devices with a
700mA maximum current.
For Rev F units or earlier: The MS2420/MS2430’s auxiliary port will support 5VDC devices with a
150mA maximum current. If the auxiliary device exceeds this
specification, an external power supply will be required to power the
auxiliary device. The following Honeywell scanners can receive power
from MS2420/MS2430: the MS9520, MS9540, and the MS5145.
4. This step is required for secondary devices that require >5VDC and/or 700mA current to
operate. Skip to step 5 if the secondary device requires ≤ 5VDC.
Plug the power supply into the secondary scanner’s PowerLink cable (PN 57-57099x-3 or
PN 57-57099x-3-12)) and connect AC power to the secondary scanner.
Note: Check the AC input requirements of the power supply to make sure the voltage matches the
AC outlet. The outlet should be located near the equipment and be easily accessible.
5. Configure the MS2421/MS2422/MS2431 scanner and the secondary scanner. The auxiliary input
port’s data format must match the main output format of the secondary scanner.
Note: Refer to the MS2xxx Stratos Series Configuration Addendum (PN 00-02034x) under
Scanner Configuration Bar Codes: Auxiliary Port, Quick Start for a Secondary Honeywell
Scanners.
28
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Cable Installation (Secondary Honeywell Scanner)
†
See Aux power notes on page 28
manual.
Figure 24. Secondary Scanner Cable Installation Schematic
29
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EAS Deactivation
SW1 and SW2 are the switch banks inside the Checkpoint device that set the deactivation range. The
following is a list of Checkpoint recommended switch bank settings.
Base Model
MS2421
Checkpoint Recommended Switch Bank Settings
SW1 & SW2 switches 1 and 6 set to ON
SW1 & SW2 switches 1 and 6 set to ON
SW1 & SW2 switches 1 and 6 set to ON
MS2422
MS2431
All MS2421/MS2422/MS2431 models have a connector labeled EAS In on the bottom of the unit. An
optional EAS cable (PN 52-52511 or 52-52556) available for purchase for connection between the
Checkpoint device and the MS2421/MS2422/MS2431 scanner.
Figure 25. EAS Cable Connection (Bottom of MS2421/MS2422/MS2431)
The following figure shows the location of the EAS deactivation area for the MS2421/MS2422/MS2431
scanner. It is important to pass the entire tag through this area to deactivate the security tag.
Figure 26. EAS Deactivation Area
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Scan Zone
Figure 29. Horizontal Direct (13 mil)
Figure 30. Vertical Direct (13 mil)
Specifications are subject to change without notice.
Typical Scan Zones shown.
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Wake Activation Area (Photocell LED Output)
The MS2421/MS2422/MS2431 scanner’s default power save mode† is Dual Action Power Save Mode #2
(see page 41). This power save mode turns the laser OFF after a configured period of non-use then turns
the motor OFF after thirty-minute intervals. Any movement detected by the photocell in the activation area,
shown below in grey, will cause the scanner to exit the power save mode. The motor will restart
automatically and the laser will turn back on preparing the scanner for bar code recognition, decoding, and
transmission.
Figure 31. Wake Activation Area Perpendicular to Package Flow Default Range
(Photocell LED Output)
†
Refer to the MetroSelect Configuration Guide (00-02407) for additional information on configurable power
save modes.
Specifications are subject to change without notice.
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Wake Activation Area Sensitivity (Photocell LED Output Range)
Changing the Wake Area Sensitivity Level (Photocell LED Range Adjust)
The MS2400 Series bar code scanner wake area sensitivity level can be set to the end users preference by
scanning one of the Photocell Sensitivity adjustment bar codes below.
*Max Photocell
Sensitivity
This feature enables the MS24xx to
be at Max sensitivity or far sensing
for the wake up photo transistor.
³
2 2 1 2 0 0
* This is the default setting.
Medium Photocell
Sensitivity
This feature enables the MS24xx to
be at a medium 1 sensitivity or
medium sensing for the wake up
photo transistor.
³
2 2 1 2 1 0
Low Photocell
Sensitivity
This feature enables the MS24xx to
be at a low sensitivity or low sensing
for the wake up photo transistor.
³
2 2 1 2 2 0
Minimum Photocell
Sensitivity
This feature enables the MS24xx to
be at the lowest sensitivity (close
only) for the wake up photo
transistor.
³
2 2 1 2 3 0
* MS2400 Series Bar Code Scanner Default Setting
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Audible Indicators
When in operation, the MS2421/MS2422/MS2431 scanner provides audible feedback that indicates the
status of the unit and the current scan. Eight settings are available for the tone of the beep (normal, six
alternate tones and no tone) plus three volume settings. To change the tone or volume, refer to the
Changing the Beeper Tone and Volume section of this manual.
One Beep
When the scanner first receives power, the blue LED will turn on and the scanner will beep once. The
scanner is now ready to scan.
When the scanner successfully reads a bar code, the blue LED will flash and the scanner beeps once (if
configured to do so). If the scanner does not beep once and the blue light does not flash, then the bar
code has not been successfully read.
Razzberry Tone
Three Beeps - during operation
When placing the scanner in configuration mode, the blue LED will flash while the scanner simultaneously
beeps three times. The blue LED will continue to flash until the unit exits configuration mode. Upon exiting
configuration mode, the scanner will beep three times and the blue LED will stop flashing.
When configured, three beeps can also indicate a communications timeout during normal scanning mode.
When using one-code-configuring, the scanner will beep three times (the current selected tone), followed
by a short pause, a high tone, and a low tone. This tells the user that the single configuration bar code has
successfully configured the scanner.
Three Beeps - on power up
Descending Tone
The scanner will emit a descending tone when the microprocessor is about to Flash upgrade.
Ascending Tone
The scanner will emit an ascending tone when the interface coprocessor is about to Flash upgrade.
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Visual Indicators
Blue LED is located near the bottom corner of the
vertical output window. When the scanner is ON, the
flashing or constant illumination of the LED indicates
the status of the scanner and the current scan.
No Blue LED
The blue LED will not be illuminated if the scanner is
not receiving power from the host or transformer.
They are also not illuminated when all lasers are turned
off.
Steady Blue
Figure 32. Blue LED
When all lasers are active, the blue LED is illuminated.
The blue LED will remain illuminated until all lasers are
deactivated.
Steady Blue and Single blue Flash
When the scanner successfully reads a bar code, the blue LED will flash and the scanner will beep once. If
the blue LED does not flash or the scanner does not beep once, then the bar code has not been
successfully read.
Blue LED Off
After a successful scan, the scanner transmits the data to the host device. Some communication modes
require that the host inform the scanner when data is ready to be received. If the host is not ready to
accept the information, the scanner’s blue LED will remain off until the data can be transmitted.
or
This indicates the scanner may be waiting for communication from the host.
Flashing Blue
This indicates the scanner is in program mode. A razzberry tone indicates that an invalid bar code has
been scanned in this mode.
or
If the unit is in sleep mode, the blue LED will flash once every 15 seconds.
or
This indicates there is an error active on the diagnostic indicator display (see Error Codes on page 38).
The scanner may continue to operate depending on the type of error.
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Failure Modes
Flashing Blue and One Razzberry Tone
This indicates that the scanner has experienced a laser subsystem failure. The scanner will try up to three
times to correct the failure condition. If the laser subsystem continues to fail, that subsystem (horizontal or
vertical) will be shut down and an error indication will be shown on the Diagnostic Indicator Display. This
error stays on the display until corrected. If the remaining subsystem is still operational, scanning will
continue using the operational components.
Flashing Blue and Two Razzberry Tones
This indicates that the scanner has experienced a motor subsystem failure. The scanner will try up to three
times to correct the failure condition. If the motor subsystem continues to fail, that subsystem (horizontal or
vertical) will be shut down and an error indication will be shown on the Diagnostic Indicator Display. This
error stays on the display until corrected. If the remaining subsystem is still operational, scanning will
continue using the still operational components.
Continuous Razzberry Tone with Blue LED Off
If, upon power up, the scanner emits a continuous razzberry tone, then the scanner has an electronic
failure. Return the unit for repair at an authorized service center.
Three Beeps - On Power Up
If the scanner beeps three times on power up then, the nonvolatile memory that holds the scanner
configuration has failed. Return the unit for repair at an authorized service center.
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Diagnostic Indicator Display
There is a two-digit error code display located under horizontal output window near the top of the platter
(see figure below).
Figure 33. Error Code Display
The following is a list of possible error codes and their meanings. Some errors will require immediate
scanner maintenance.
Error
Code
Description
01
Reserved
RAM ERROR – The scanner’s Random Access Memory (RAM) is tested as faulty. Return the
unit for repair at an authorized service center.
02
03
04
PROGRAM ERROR – The scanner’s software program is failing. Return the unit for repair.
INTERFACE ERROR – After power up and any application exit (e.g. MetroSet, etc.), the
scanner checks the interface hardware with that chosen in configuration. If they do not agree,
an interface error exists. Correct this problem by getting the proper hardware interface OR
programming MS2421/MS2422/MS2431 configuration for the proper interface hardware
attached.
CONFIGURATION ERROR – The non-volatile configuration memory did not agree with the
data last saved. Default configuration data is then used and the scanner continues operating.
This error is also accompanied by three beeps. This error will remain during operation as a
reminder that this power cycle is scanning against a default-generated configuration.
05
06
COMMUNICATION ERROR – The RS232 data line is being held active. This causes the
scanner to read a “break” signal constantly and continuous attempts are made to enter
MetroSet configuration mode. A short on the RX Data line can cause this condition. It can
also be the result of a laptop in power save mode. The scanner will abort attempts to enter
configuration mode after a short timeout. The scanner can automatically recover from this
condition once the short in the RX Data line is corrected.
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Error
Code
Description
COPROCESSOR COMMUNICATION ERROR – The main microprocessor is not
communicating with the interface coprocessor. The interface coprocessor may be in a fault
condition with the host or just not able to respond. This error may appear when the scanner is
configured for USB or RS485 interface applications or during an attempt to update the
interface software through the flash utility. The unit should be repaired at an authorized
service center.
09
SWITCH ERROR – The switch used for volume selection or sleep mode is detected in error
(always closed). The condition is self-correcting if possible. If the error persists, return the unit
for repair at an authorized service center. The scanning operation can continue with this error
active.
11
21
LASER #1 (VERTICAL) ERROR – The laser in the vertical scanning subsystem denotes a
failure. The scanner will try three times to correct the laser operation. If the laser error
persists, the vertical scanning subsystem will be shut down and this error code will remain on
the Diagnostic Indicators.
LASER #2 (RIGHT HORIZONTAL) ERROR – The right laser in the horizontal scanning
subsystem denotes a failure. The scanner will try three times to correct the laser operation. If
the laser error persists, and the left horizontal laser (#3) is also in error, the horizontal scanning
subsystem will be shut down and this error code will remain on the Diagnostic Indicators.
22
23
LASER #3 (LEFT HORIZONTAL) ERROR – The left laser in the horizontal scanning
subsystem denotes a failure. The scanner will try three times to correct the laser operation. If
the laser error persists, and the right horizontal laser (#2) is also in error, the horizontal
scanning subsystem will be shut down and this error code will remain on the Diagnostic
Indicators.
LASER #1 (VERTICAL) HIGH CURRENT WARNING – The laser in the vertical scanning
subsystem is drawing excessive current. This could be a warning for a future total failure.
Have the unit checked at an authorized service center when convenient.
24
25
26
LASER #2 (RIGHT HORIZONTAL) HIGH CURRENT WARNING – The laser in the vertical
scanning subsystem is drawing excessive current. This could be a warning for a future total
failure. Have the unit checked at an authorized service center when convenient.
LASER #3 (LEFT HORIZONTAL) HIGH CURRENT WARNING – The laser in the vertical
scanning subsystem is drawing excessive current. This could be a warning for a future total
failure. Have the unit checked at an authorized service center when convenient.
LASER #1 (VERTICAL) UNDERCURRENT WARNING – The laser in the vertical scanning
subsystem is drawing too little current. The laser is probably not on. This could be the result
of a loss of the required set point in memory. Have the unit checked at an authorized service
center.
27
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Error
Code
Description
LASER #2 (RIGHT HORIZONTAL) UNDERCURRENT WARNING – The laser in the right
horizontal scanning subsystem is drawing too little current. The laser is probably not on. This
could be the result of a loss of the required set point in memory. Have the unit checked at an
authorized service center.
28
LASER #3 (LEFT HORIZONTAL) UNDERCURRENT WARNING – The laser in the left vertical
scanning subsystem is drawing too little current. The laser is probably not on. This could be
the result of a loss of the required set point in memory. Have the unit checked at an
authorized service center.
29
MOTOR #1 (VERTICAL) ERROR – The motor in the vertical scanning subsystem denotes a
failure. The scanner will try three times to correct the motor operation. If the motor error
persists, the vertical scanning subsystem will be shut down and this error code will remain on
the Diagnostic Indicators.
31
32
MOTOR #2 (HORIZONTAL) ERROR – The motor in the horizontal scanning subsystem
denotes a failure. The scanner will try three times to correct the motor operation. If the motor
error persists, the horizontal scanning subsystem will be shut down and this error code will
remain on the Diagnostic Indicators.
MOTOR #1 (VERTICAL) SPEED ERROR – The motor in the vertical section cannot be speed
controlled as desired. Have the unit checked at an authorized service center.
34
35
MOTOR #2 (HORIZONTAL) SPEED ERROR – The motor in the horizontal section cannot be
speed controlled as desired. Have the unit checked at an authorized service center.
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Power Save Modes
The MS2421/MS2422/MS2431 bar code scanners have five configurable power save modes. Refer to the
MetroSelect Configuration Guide for additional information on Power Save Modes.
1. Blink Power Save Mode:
Blinks the laser OFF & ON after a configured period of non-use.
When the scanner recognizes a bar code it will exit the Blink mode.
2. Laser Off Power Save Mode:
Turns the laser OFF after a configured period of non-use. The motor continues to spin allowing for a
faster “wake” up time.
Any movement detected by the photocell will “wake” the scanner from the Laser Off power save mode
3. Laser & Motor Off Power Save Mode:
Turns the laser and motor OFF after a configured period of non-use.
Any movement detected by the photocell will “wake” the scanner from the power save mode (see
Figure 31 on page 33). This mode’s “wake” time is slightly longer due to the motor’s need to restart.
4. Dual Action Power Save Mode #1:
“Blinks” the laser OFF & ON after a configured period of non-use turns the laser and motor OFF at
thirty-minute intervals.
Example:
If the power save timeout is set to 15 minutes.
Any movement detected by the photocell will “wake” the scanner from the power save mode (see
5. Dual Action Power Save Mode #2 (Default):
Turns the laser OFF after a configured period of non-use then turns the motor OFF after thirty-minute
intervals.
Example:
If the power save timeout is set to 15 minutes.
Any movement detected by the photocell will “wake” the scanner from the power save mode (see
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Beeper Options and Button Functions
Changing the Beeper Tone
Beeper tones may be configured incrementally using the following bar code. The new tone will be heard
followed by a short pause. Two more new tones will be heard signifying the new setting has been stored in
memory. The silent (no beep) tone is also selectable.
Next Beep Tone
³
9
9
9
9
7
5
Changing the Beeper Volume
Volume levels may be configured using the volume button or incrementally using the following bar code.
The new volume will be heard followed by a short pause. Two more tones will be heard signifying the new
setting has been saved in memory. The silent (no volume) tone is also selectable.
Next Volume
³
9
9
9
9
7
4
The Multi-Function Button
Figure 34. The Multi-Function Button
Changing the Beeper Volume
A short (<3 second) depression and the beeper volume will change. The
new volume will be heard. The silent (no beep) volume is also
selectable.
Figure 35. Changing the Beeper
Volume
Placing the Unit in Laser & Motor Off Power Save Mode
Long (>3 seconds) depression. The Laser and Motor Off Power Save
Mode is the only power save mode that can be activated with the multi-
function button*.
* This feature is configuration dependent. Refer to the MetroSelect
Configuration Guide (PN 00-02407x) under Scanner Operation:
Power Save Modes to enable this feature.
Figure 36. Laser & Motor Off
Power Save Mode
Waking the Unit from All Power Save Modes
The next button depression will awaken the scanner for normal
operation.
Figure 37. Normal Operation
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Startup
When the scanner first receives power, the blue LED will turn on and the scanner will beep once. The
scanner is now ready to scan.
Power-Up Test Mode
When a MS2421/MS2422/MS2431 scanner is first powered up, it cycles through a number of self-tests
before starting normal operation. If there are any initial failures during this sequence of tests the scanner
will beep or razz to indicate the error and an error code will appear in the diagnostic indicator display.
The following are examples of the types of tests performed at power-up.
1. Memory tests
2. Hardware setup tests
3. Motor tests
4. Laser tests
5. Configuration tests
6. Interface tests
These tests are also performed on a periodic basis with the operator alerted to any failures.
Configuration Mode
All MS2421/MS2422/MS2431 bar code scanners have been configured at the factory with a set of default
communication protocols. Since many host systems have unique formats and protocol requirements, a
wide range of configurable features that may be selected with the use of the MetroSelect Configuration
Guide
(PN 00-02407x), the MS2xxx Stratos Series Configuration Addendum (PN 00-02034x) and MetroSet.
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Maintenance
Horizontal Scan Window Replacement
Note: After the replacement platter has been installed, remove all protective film from the new platter’s
window. The unit will not function properly if the protective film is not removed.
Figure 38. Platter/Horizontal Scan Window Replacement
*
See replacement parts on page 3.
** For MS2431, use the same points as shown for the MS2421 to install the platter.
†
If the platter on the MS2421/MS2431 is not equipped with a product weight roll bar / lift handle, it can
be removed using the same method as shown for the MS2422.
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Daily Maintenance
Smudges and dirt on the unit’s window can interfere with the unit’s performance. If the horizontal or
vertical output windows require cleaning, use only a mild glass cleaner containing no ammonia. When
cleaning the window, spray the cleaner onto a lint free, non-abrasive cleaning cloth then gently wipe the
window clean.
If the unit’s case requires cleaning, use a mild cleaning agent that does not contain strong oxidizing
chemicals. Strong cleaning agents may discolor or damage the unit’s exterior.
Routinely check and clean the base unit to ensure that no debris is interfering with the platter movement.
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Troubleshooting
The following guide is for reference purposes only. Contact a customer service representative to preserve
the limited warranty terms.
Symptom
All Interfaces
Possible Cause(s)
Solution
Check the transformer, outlet, and the power strip.
Make sure the power cable is plugged into the
scanner.
No LED, beep, or
motor spin.
No power is being supplied
to the scanner.
During power up the
unit beeps 3 times.
Contact a customer service representative, if the
unit will not hold the configuration.
A non-volatile RAM failure.
During power up the
unit razzes
continuously.
There has been a
diagnostic failure.
Contact a customer service representative, if the
unit will not function.
During power up the
unit razzes once and A VLD failure.
the blue LED flashes.
Contact a customer service representative.
During power up the
unit razzes twice and Scanner motor failure.
blue LED flash.
Contact a customer service representative.
Adjust same symbol timeout for a longer time.
There are multiple
The same symbol timeout
scans upon
is set to short.
presentation of code.
The beeper is disabled.
Enable the beeper.
Select a volume.
Select a tone.
The unit powers up
No volume is selected.
but does not beep.
No tone is selected.
The unit is trying to scan a UPC/EAN and Code 128 are enabled by default.
particular symbology that
is not enabled.
Verify that the type of bar code being read has
been selected.
The unit has been
The unit powers up
but does not scan
and/or beep.
configured for a character
length lock or a minimum
length and the bar code
being scanned does not
satisfy the configured
criteria.
Verify that the bar code that is being scanned falls
into the criteria.
Typical of Non-UPC/EAN codes. The scanner
defaults to a minimum of 4 character bar code.
The unit scans a bar
code, but locks up
after the first scan
(the blue LED stays
on).
The scanner is configured
to support some form of
host handshaking but is
not receiving the signal.
If the scanner is setup to support ACK/NAK,
RTS/CTS, XON/XOFF, or D/E, verify that the host
cable and host are supporting the handshaking
properly.
The unit scans but
the data transmitted
to the host is
The scanner’s data format Verify that the scanner’s data format matches that
does not match the host
system requirements.
required by the host. Make sure that the scanner
is connected to the proper host port.
incorrect.
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Symptom
All Interfaces
Possible Cause(s)
Solution
The print quality of the
bar code is suspect.
Scanner beeps at
some bar codes and
NOT for others of the
same bar code
The type of printer and/or the printer settings could be
the problem.
Check the character
length lock.
Check the print mode or change the printer settings.
For example change to econo mode or high speed.
symbology.
The aspect ratio of the
bar code is out of
tolerance.
The unit is trying to
scan a particular
symbology that is not
enabled.
UPC/EAN and Code 128 are enabled by default.
Verify that the type of bar code being read has been
selected.
The unit has been
configured for a
character length lock or
a minimum length and
the bar code being
scanned does not
satisfy the configured
criteria.
The unit powers up
but does not scan
and/or beep.
Verify that the bar code that is being scanned falls into
the criteria.
Typical of Non-UPC/EAN codes. The scanner defaults
to a minimum of 4 character bar code.
The bar code may
have been printed
incorrectly.
Check if it is a check digit, character or border
problem.
The unit beeps at
some bar codes but
NOT for others of the
same bar code
The scanner is not
configured correctly for Check if check digits are set properly.
this type of bar code.
symbology.
The minimum symbol
length setting does not Check if the correct minimum symbol length is set.
work with the bar code.
RS232 Only
The com port at the
host is not working or is
not configured
properly.
The cable is not
The unit powers up
OK and scans OK
but does not
communicate
properly to the host.
Check to make sure that the baud rate and parity of
the scanner and the communication port match and
the program is looking for RS232 data.
connected to the
proper com port.
The com port is not
operating properly.
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Symptom
Possible Cause(s)
Solution
RS232 Only
The host is
The scanner and host may
not be configured for the
same interface.
receiving data
but the data does
not look correct.
Check that the scanner and the host are configured
for the same interface.
The intercharacter delay
needs to be added to the
transmitted output.
Add some intercharacter delay to the transmitted
output by using the MetroSelect Configuration Guide
(PN 00-02407x).
Characters are
being dropped.
Aux Port Operation With Any Interface
The secondary
scanner is not
functioning.
Refer to the user’s guide provided with the
secondary scanner.
The secondary scanner cable
may not be connected to the
proper port on the scanner.
Ensure that the secondary scanner is connected to
the MS242x com port marked “Aux” port.
The secondary
scanner powers
up but data is not
relayed to the
host.
* The scanner must be configured to enable the
auxiliary port.
The auxiliary com port may
not be operating properly.
The auxiliary input port’s data format must match the
main output format of the secondary scanner.
* Refer to the MS2xxx Stratos Series Configuration Addendum (PN 00-02034x) under Scanner
Configuration Bar Codes: Auxiliary Port, Quick Start for a Secondary Honeywell Scanner.
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Scanner and Cable Terminations
Scanner Pinout Connections
The MS2421/MS2422/MS2431 scanner terminates to 10-pin modular jacks located on the bottom of the
unit. The serial number label indicates the model number and interface of the scanner.
EAS
Function
EAS In
DC Power
Function
No Connect
Earth Ground
No Connect
5.2VDC
Pin
1
2
Pin
1
2
3
4
EAS Out
5
Ground
6
12VDC
Figure 39. Connector Layout
Scanner to Host, RS485
Scanner to Host, RS232
Pin
1
Function
Pin
1
Function
Signal Ground
Ground
2
3
4
5
6
7
Reserved for RS232 Interface
Reserved for RS232 Interface
Reserved for RS232 Interface
Reserved for RS232 Interface
Reserved for RS232 Interface and EAS
No Connect
2
3
4
5
6
7
RS232 Transmit
RS232 Receive
RS232 RTS Output
RS232 CTS Input
RS232 DTR Input (EAS GPIO IN)
No Connect
8
9
10
Reserved for RS232 Interface and EAS
IBM B-
IBM A+
8
9
10
DSR (EAS GPIO OUT)
Reserved for RS485 Interface
Reserved for RS485 Interface
Scanner to Host, USB
Auxiliary RS232 In
Pin
1
Function
Signal Ground
Pin
1
Function
Ground
2
3
4
5
6
7
RS232 Transmit
RS232 Receive
Shield
No Connect
RS232 CTS Input (EAS GPIO IN)
PC+5VDC
2
3
4
5
6
7
RS232 Receive Input
RS232 Transmit Output
RS232 RTS In
RS232 CTS Out
EAS GPIO IN
Ground
8
9
RS232 RTS Output (EAS GPIO OUT)
Data -
8
9
EAS GPIO OUT
+5V Out
10
Data +
10
No Connect
Specifications are subject to change without notice.
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Scale Ready MS2421/MS2431 Models – Additional Pinout Connections
There are four additional 10-pin modular jacks located on the bottom of the of the MS2421/MS2431
scanner models that may be used for an integrated scale application and the use of a remote display.
Note: Please keep in mind that every application is unique. The use of these connections depends on the
specifications of the scale’s manufacturer. The following pinouts are for reference only. If the
scanner has been integrated with a scale, refer to the Scale Addendum for detailed instructions on
the appropriate cable connections, communication specifications and calibration procedures
required by the scale manufacturer and local Weights and Measures authorities. When
connecting any combination of scale/external scale display to the MS2421/MS2431 do not
exceed the following current restrictions: 12V @ 0.7A max. / 5V @ 0.2A max.
Figure 40. Scale Ready Connector Layout
Scale Display
Data In Scale
Data to Display
from the Load
Cell Interface
Scale Data In
RS232 from the Load
Cell Interface
Scale RS232 to Host
Scale Data, Dual Cable
Applications
Scale to Display
Pin
Function **
Pin
Function**
Pin
1
2
3
4
5
6
7
8
Function**
Ground
Pin
Function**
SIG1
SIG2
SIG3
SIG4
1
2
3
4
5
6
7
8
9
SIG1
SIG2
SIG3
SIG4
SIG5
SIG6
1
2
3
4
5
6
7
8
9
12V
1
2
3
4
5
6
7
8
9
Ground
Scale RS232 TX Out
Scale RS232 RX In
Scale RS232 RTS Out
Scale RS232 CTS In
No Connect
No Connect
No Connect
No Connect
5V
Ground
RS232 TX In
RS232 RX Out
RS232 CTS In
RS232 RTS Out
Scale Status, TTL
SIG5
SIG6
SIG7 ††
SIG8 ††
SIG9 ††
SIG7 ††
SIG8 ††
SIG9 ††
9
10 SIG10 ††
10 Scale Zero, TTL
10 Shield
10 SIG10 ††
** All signals are referenced from the MS2421/MS2431 scanner.
†† The use of these pins depends upon the specifications of the scale’s manufacturer.
Specifications are subject to change without notice.
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Cable Connector Configurations
The following cables are examples of some of the standard cables that may be shipped with the
MS2421/MS2422/MS2431 bar code scanner. Please keep in mind that every application is unique and the
cables received with the MS2421/MS2422/MS2431 scanner may be custom cables that are not shown
below.
RS232 Interface Cable, PN 57-57210x-N-3
Pin
1
Function**
No Connect
2
3
4
RS232 TX Output
RS232 RX Input
DTR Input
5
6
Power/Signal Ground
DSR Output
9-Pin D-Type Connector
7
CTS Input
8
RTS Output
9
No Connect
Full Speed USB Cable,
PN 57-57201x-N-3 or PN 57-57227x-N-3
Pin
1
2
Function**
PC+5V USB
Data -
Locking, Type A
57-57227x-N-3
Non-Locking, Type A
57-57201x-N-3
3
4
Data +
Ground
RS485 Cable, PN 57-57212x-N-3
Pin
1
2
Function**
Signal Ground
IBM A+
3
4
IBM B -
No Connect
4-Pin SDL
** All signals are referenced from the MS2421/MS2422/MS2431 scanner.
Specifications are subject to change without notice.
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Cable Connector Configurations
Aux Port Configuration Cable*, PN 57-57008x-N-3
Pin
1
Function**
No Connect
2
3
4
5
Output from Scanner
Input to Scanner
No Connect
Ground
6
7
8
9
No Connect
No Connect
No Connect
No Connect
9-Pin D-Type Connector
RS232 LSO/AUX Cable
PN 57-57099x-3 or PN 57-57099x-3-12
Pin
1
Function†
Signal Ground
2
3
4
5
RS232 from Aux / Secondary Scanner
RS232 to Aux / Secondary Scanner
RTS from Aux / Secondary Scanner
CTS to Aux / Secondary Scanner
No Connect
6
7
8
No Connect
No Connect
10-Position Angled Modular Plug
9
+5VDC – Transformer / Direct
10 Shield Ground
* This configuration cable was designed to be used with the MS2421/MS2422/MS2431 auxiliary
connector only.
** All signals are referenced from the MS2421/MS2422/MS2431 scanner.
†
All signals are referenced from the auxiliary / secondary scanner.
Specifications are subject to change without notice.
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Regulatory Compliance
Safety
ITE Equipment
IEC 60950-1 Second Edition
EN 60950-1 Second Edition
Laser
Laser Class 1:IEC 60825-1: Second Edition 2007
EN 60825-1: Second Edition 2007
Caution
Use of controls or adjustments or performance of procedures other than those specified herein may result
in hazardous laser light exposure. Under no circumstances should the customer attempt to service the
laser scanner. Never attempt to look at the laser beam, even if the scanner appears to be nonfunctional.
Never open the scanner in an attempt to look into the device. Doing so could result in hazardous laser light
exposure. The use of optical instruments with the laser equipment will increase eye hazard.
Atención
La modificación de los procedimientos, o la utilización de controles o ajustes distintos de los especificados
aquí, pueden provocar una luz de láser peligrosa. Bajo ninguna circunstancia el usuario deberá realizar el
mantenimiento del láser del escáner. Ni intentar mirar al haz del láser incluso cuando este no esté
operativo. Tampoco deberá abrir el escáner para examinar el aparato. El hacerlo puede conllevar una
exposición peligrosa a la luz de láser. El uso de instrumentos ópticos con el equipo láser puede
incrementar el riesgo para la vista.
Attention
L'emploi de commandes, réglages ou procédés autres que ceux décrits ici peut entraîner de graves
irradiations. Le client ne doit en aucun cas essayer d'entretenir lui-même le scanner ou le laser. Ne
regardez jamais directement le rayon laser, même si vous croyez que le scanner est inactif. N'ouvrez
jamais le scanner pour regarder dans l'appareil. Ce faisant, vous vous exposez à une rayonnement laser
qú êst hazardous. L'emploi d'appareils optiques avec cet équipement laser augmente le risque
d'endommagement de la vision.
Achtung
Die Verwendung anderer als der hier beschriebenen Steuerungen, Einstellungen oder Verfahren kann eine
gefährliche Laserstrahlung hervorrufen. Der Kunde sollte unter keinen Umständen versuchen, den Laser-
Scanner selbst zu warten. Sehen Sie niemals in den Laserstrahl, selbst wenn Sie glauben, daß der
Scanner nicht aktiv ist. Öffnen Sie niemals den Scanner, um in das Gerät hineinzusehen.
Attenzione
L’utilizzo di sistemi di controllo, di regolazioni o di procedimenti diversi da quelli descritti nel presente
Manuale può provocare delle esposizioni a raggi laser rischiose. Il cliente non deve assolutamente tentare
di riparare egli stesso lo scanner laser. Non guardate mai il raggio laser, anche se credete che lo scanner
non sia attivo. Non aprite mai lo scanner per guardare dentro l’apparecchio. Facendolo potete esporVi ad
una esposizione laser rischiosa. L’uso di apparecchi ottici, equipaggiati con raggi laser, aumenta il rischio
di danni alla vista..
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EMC
Emissions
FCC Part 15, ICES-003, CISPR 22, EN 55022
Immunity
CISPR 24, EN 55024
Note: Immunity performance is not guaranteed for scanner cables greater than 3 meters in length when
fully extended.
Changes or modifications not expressly approved by the party responsible for compliance could void the
user’s authority to operate the equipment.
Class A Devices
The following is applicable when the scanner cable is greater in length than 3 meters (9.8 feet)
when fully extended:
Les instructions ci-dessous s’appliquent aux cables de scanner dépassant 3 métres (9.8 pieds) de
long en extension maximale:
Folgendes trifft zu, wenn das Scannerkabel länger als 3 Meter ist:
This equipment has been tested and found to comply with limits for a Class A digital device, pursuant to
part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment
in a residential area is likely to cause harmful interference, in which case the user will be required to correct
the interference at their own expense. Any unauthorized changes or modifications to this equipment could
void the user’s authority to operate this device.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Notice
This Class A digital apparatus complies with Canadian ICES-003.
Remarque
Cet appareil numérique de classe A est conforme à la norme canadienne NMB-003.
Warning
This is a class A product. In a domestic environment this product may cause radio interference in which
case the user may be required to take adequate measures.
Warnung!
Dies ist eine Einrichtung der Klasse A. Diese Einrichtung kann im Wohnbereich Funkstörungen
verursachen. In diesem Fall kann vom Betreiber verlangt werden, angemessene Massnahmen
durchzuführen.
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Attenzione
Questo e’ un prodotto di classe A. Se usato in vicinanza di residenze private potrebbe causare
interferenze radio che potrebbero richiedere all’utilizzatore opportune misure.
Attention
Ce produit est de classe “A”. Dans un environnement domestique, ce produit peut être la cause
d’interférences radio. Dans ce cas l’utiliseteur peut être amené à predre les mesures adéquates.
EMC
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s
authority to operate the equipment.
Class B Devices
The following is applicable when the scanner cable is less than 3 meters (9.8 feet) in length when
fully extended:
Les instructions ci-dessous s’appliquent aux cables de scanner ne dépassant pas 3 métres (9.8
pieds) de long en extension maximale:
Folgendes trifft zu, wenn das Scannerkabel kürzer als 3 Meter ist:
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can
be determined by turning the equipment off and on, the user is encouraged to try to correct the interference
by one or more of the following measures:
Reorient or relocate the receiving antenna
Increase the separation between the equipment and receiver
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected
Consult the dealer or an experienced radio/TV technician for help
Notice
This Class B digital apparatus complies with Canadian ICES-003.
Remarque
Cet appareil numérique de classe B est conforme à la norme canadienne NMB-003.
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Limited Warranty
Honeywell International Inc. ("HII") warrants its products and optional accessories to be free from defects in
materials and workmanship and to conform to HII’s published specifications applicable to the products
purchased at the time of shipment. This warranty does not cover any HII product which is (i) improperly
installed or used; (ii) damaged by accident or negligence, including failure to follow the proper
maintenance, service, and cleaning schedule; or (iii) damaged as a result of (A) modification or alteration
by the purchaser or other party, (B) excessive voltage or current supplied to or drawn from the interface
connections, (C) static electricity or electro-static discharge, (D) operation under conditions beyond the
specified operating parameters, or (E) repair or service of the product by anyone other than HII or its
authorized representatives.
This warranty shall extend from the time of shipment for the duration published by HII for the product at the
time of purchase ("Warranty Period"). Any defective product must be returned (at purchaser’s expense)
during the Warranty Period to HII factory or authorized service center for inspection. No product will be
accepted by HII without a Return Materials Authorization, which may be obtained by contacting HII. In the
event that the product is returned to HII or its authorized service center within the Warranty Period and HII
determines to its satisfaction that the product is defective due to defects in materials or workmanship, HII,
at its sole option, will either repair or replace the product without charge, except for return shipping to HII.
EXCEPT AS MAY BE OTHERWISE PROVIDED BY APPLICABLE LAW, THE FOREGOING WARRANTY
IS IN LIEU OF ALL OTHER COVENANTS OR WARRANTIES, EITHER EXPRESSED OR IMPLIED, ORAL
OR WRITTEN, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
HII’S RESPONSIBILITY AND PURCHASER’S EXCLUSIVE REMEDY UNDER THIS WARRANTY IS
LIMITED TO THE REPAIR OR REPLACEMENT OF THE DEFECTIVE PRODUCT WITH NEW OR
REFURBISHED PARTS. IN NO EVENT SHALL HII BE LIABLE FOR INDIRECT, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES, AND, IN NO EVENT, SHALL ANY LIABILITY OF HII ARISING IN
CONNECTION WITH ANY PRODUCT SOLD HEREUNDER (WHETHER SUCH LIABILITY ARISES
FROM A CLAIM BASED ON CONTRACT, WARRANTY, TORT, OR OTHERWISE) EXCEED THE
ACTUAL AMOUNT PAID TO HII FOR THE PRODUCT. THESE LIMITATIONS ON LIABILITY SHALL
REMAIN IN FULL FORCE AND EFFECT EVEN WHEN HII MAY HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH INJURIES, LOSSES, OR DAMAGES. SOME STATES, PROVINCES, OR
COUNTRIES DO NOT ALLOW THE EXCLUSION OR LIMITATIONS OF INCIDENTAL OR
CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO
YOU.
All provisions of this Limited Warranty are separate and severable, which means that if any provision is
held invalid and unenforceable, such determination shall not affect the validity of enforceability of the other
provisions hereof. Use of any peripherals not provided by the manufacturer may result in damage not
covered by this warranty. This includes but is not limited to: cables, power supplies, cradles, and docking
stations. HII extends these warranties only to the first end-users of the products. These warranties are
non-transferable.
The duration of the limited warranty for the MS2421/MS2422/MS2431 is two (2) year(s). The accessories
have a 90 day limited warranty from the date of manufacture.
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Index
flow............................................................... 7, 11
frame................................................................ 11
function ................................................ 47, 51–54
A
AC .......................................................... see power
application ...........................................................38
audible...............................................see indicators
AUX...........................................................7, 49, 51
G
ground........................................................ 51–54
B
H
beep ..................................................see indicators
blue LED............................................see indicators
button
multi-function ..........................................7, 11, 42
tone ........................................................7, 11, 42
volume....................................................7, 11, 42
host ...........................................35, 36, 43, 47–50
I
indicators............................................................ 5
audible....................................35, 42, 43, 47–50
diagnostic................................................ 38–40
error codes.............................................. 38–40
failure ................................................ 37, 38–40
visual............................7, 11, 35–36, 43, 47, 48
interface ................................................. 5, 10, 13
RS232 ..........................................22–23, 51, 53
RS485 ..........................................26–27, 51, 53
USB..............................................24–25, 51, 53
C
cable..................................................15, 47, 48, 49
communication..................................2, 17, 22–27
EAS ..............................................................2, 30
pinouts........................................................51–54
power................................................................. 2
caution................................. 3, 4, 10, 13, 22–27, 55
checkout counter .................................................15
class ..............................................................56, 57
compliance ..........................................5, 22–27, 59
components.....................................................7, 11
connector.......................................................51–54
connector panel...............................................9, 12
current .................................................5, 35, 47, 52
customer service..............................................2, 59
cutout.............................................................18–19
L
labels.......................................................... 10, 13
laser aperture............................................... 7, 11
LED................................................ see indicators
light source......................................................... 5
M
maintenance..................................................... 38
manual ................................................... 2, 17, 35
mechanical....................................................... 59
modes .............................................................. 41
mounting .............................................. 15, 18–19
D
DC .......................................................... see power
default settings ....................................................43
depth of field..............................................5, 31–32
diagnostic indicator..........................................7, 11
dimensions ................................................8, 12, 15
display ...........................................7, 11, 38–40, 52
N
notices........................................................ 56, 57
O
operation.................................................... 56, 57
output window .................................................. 38
E
EAS .....................................................7, 11, 30, 51
electrical ..............................................................59
error codes ..............................................38, 39, 40
P
photocell........................................................... 33
pinouts ....................................................... 51–54
platter........................................3, 4, 7, 11, 15, 17
port............................................................. 48, 49
power ..........................2, 5, 15, 22–27, 47, 51, 52
power save................................................. 41, 42
protocols .......................................................... 43
F
failure
error codes .................................................38–40
indicator............................................................35
modes.........................................................35, 37
finger recess................................................4, 7, 11
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storage............................................................... 5
switch............................................................... 30
R
razzberry tone .........................................35, 36, 37
regulatory compliance ...................................55–56
repair........................................... 37, 38, 39, 40, 59
RMA ....................................................................59
T
test................................................................... 43
tone...................................................7, 11, 35, 42
transformer...........................................see power
troubleshooting ...........................................47–50
S
safety.............................................................56, 57
scale....................................................................52
scan pattern...........................................................5
scan speed............................................................5
scan zone......................................................31–32
scanner
pinouts........................................................51–54
secondary scanner ........................................28, 29
SELV.............................................................22–27
service.................................................................59
specifications.....................................................4–6
V
ventilation......................................................5, 15
voltage ..........................................2, 5, 22–27, 52
volume ....................................................7, 11, 42
W
warranty......................................................47, 59
weight ................................................................ 5
window..................................................3, 4, 7, 15
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Customer Support
Technical Assistance
If you need assistance installing or troubleshooting your device, please contact us by using one of the
methods below:
Knowledge Base: www.hsmknowledgebase.com
Our Knowledge Base provides thousands of immediate solutions. If the Knowledge Base cannot help, our
Technical Support Portal (see below) provides an easy way to report your problem or ask your question.
Technical Support Portal: www.hsmsupportportal.com
The Technical Support Portal not only allows you to report your problem, but it also provides immediate
solutions to your technical issues by searching our Knowledge Base. With the Portal, you can submit and
track your questions online and send and receive attachments.
Web form: www.hsmcontactsupport.com
You can contact our technical support team directly by filling out our online support form. Enter your
contact details and the description of the question/problem.
Telephone: www.honeywellaidc.com/locations
For our latest contact information, please check our website at the link above.
Product Service and Repair
Honeywell International Inc. provides service for all of its products through service centers throughout the
Support > Contact Service and Repair to see your region’s instructions on how to obtain a Return Material
Authorization number (RMA #). You should do this prior to returning the product.
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Honeywell Scanning & Mobility
9680 Old Bailes Road
Fort Mill, SC 29707
00-05311 Rev F
10/12
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