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Allen-Bradley Replacements
1
ArmorPoint 24V dc Output Modules, Series A
(Cat. No. 1738-OB8EM12, -OB8EM8, -OB4EM12, -OB4EM8,
-OB2EM12, -OB2EPM12, -OV4EM12)
The ArmorPoint™ I/O family (Cat. no. 1738) consists of modular I/O
modules. The sealed IP67 housing of these modules requires no
enclosure. (Note that environmental requirements other than IP67
may require an additional appropriate housing.) I/O connectors are
sealed M8 (pico) or M12 (micro) styles. The mounting base ships with
the module. The 1738-OB8EM12 and 1738-OB8EM8 modules are
shown below.
1738-OB8EM12
Connector M12-A
Connector M12-C
1738-OB8EM8
Connector M8-A
Connector M8-C
Connector M8-E
Connector M8-G
Installation Instructions
Connector M12-B
LED Indicators
Connector M12-D
43676
Connector M8-B
Connector M8-D
LED Indicators
Connector M8-F
Connector M8-G
43684
Publication 1738-IN001A-EN-E - June 2004
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Table of Contents
Related Manuals for Allen-Bradley ArmorPoint A Series
Summary of Contents for Allen-Bradley ArmorPoint A Series
- Page 1 1738-OB8EM12 Connector M12-B Connector M12-A LED Indicators Connector M12-D Connector M12-C 43676 1738-OB8EM8 Connector M8-B Connector M8-A Connector M8-D Connector M8-C LED Indicators Connector M8-E Connector M8-F Connector M8-G Connector M8-G Allen-Bradley Replacements 43684 Publication 1738-IN001A-EN-E - June 2004...
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Page 2: Important User Information
ArmorPoint 24V dc Output Modules, Series A Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication SGI-1.1 available from your local Rockwell Automation sales office or online at http://www.ab.com/manuals/gi) describes some important differences between solid state equipment and hard-wired electromechanical devices. - Page 3 Also, see the appropriate sections in this publication, as well as the Allen-Bradley publication 1770-4.1 ("Industrial Automation Wiring and Grounding Guidelines"), for additional installation requirements pertaining to this equipment.
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Page 4: Mount The I/O Base
ArmorPoint 24V dc Output Modules, Series A Preventing Electrostatic Discharge ATTENTION This equipment is sensitive to electrostatic discharge, which can cause internal damage and affect normal operation. Follow these guidelines when you handle this equipment: • Touch a grounded object to discharge potential static. - Page 5 4. Ground the system using the ground lug connection. (The ground lug connection is also a mounting hole.) Mounting base Keyswitch- Set to position 1 for the 1738 digital output modules Ground lug connection 43675 Latching mechanism Allen-Bradley Replacements Publication 1738-IN001A-EN-E - June 2004...
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Page 6: Install The Armorpoint Digital Output Module
ArmorPoint 24V dc Output Modules, Series A Install the ArmorPoint To install the ArmorPoint digital output module, proceed as follows. Digital Output Module 1. Using a bladed screwdriver, rotate the keyswitch on the mounting base clockwise until the number 1 aligns with the notch in the base. -
Page 7: Wire The Output Modules
Output 6 (M12-D) Pin 3 - Common Pin 5 - No Connect 43664 Make sure all connectors and caps are securely ATTENTION tightened to properly seal the connections against leaks and maintain IP67 requirements. Allen-Bradley Replacements Publication 1738-IN001A-EN-E - June 2004... -
Page 8: Communicate With Your Module
ArmorPoint 24V dc Output Modules, Series A Communicate With I/O messages are sent to (consumed) and received from (produced) the ArmorPoint I/O modules. These messages are mapped into the Your Module processor’s memory. These ArmorPoint I/O output modules produce 1 byte of input data (scanner Rx - status). They consume 1 byte of I/O data (scanner Tx). -
Page 9: Troubleshoot With The Indicators
Flashing Red/Green Communication faulted device - the device has detected a network access error and is in communication faulted state. Device has received and accepted an Identity Communication Faulted Request - long protocol message. Allen-Bradley Replacements Publication 1738-IN001A-EN-E - June 2004... -
Page 10: Specifications
ArmorPoint 24V dc Output Modules, Series A Indication Probable Cause I/O Status Output is inactive Yellow Output is active and under control Flashing Red Open circuit detection. No load. (Off-State only) Short circuit detected. (On-State only) Specifications Following are specifications for the 1738 ArmorPoint digital output modules. - Page 11 Meets IP65/66/67 (when marked) Mounting Base Screw Torque #8 screw, 7.5 in. lbs. in Aluminum, 16 in. lbs. in Steel 1 - on signal ports Wiring Category Weigh Imperial (Metric) 0.637 lb. (0.289 kg) Allen-Bradley Replacements Publication 1738-IN001A-EN-E - June 2004...
- Page 12 ArmorPoint 24V dc Output Modules, Series A General Specifications (continued) Certifications: c-UL-us UL Listed Industrial Control Equipment, (when product is marked) certified for US and Canada European Union 89/336/EEC EMC Directive, compliant with: EN 61000-6-4; Industrial Emissions EN 50082-2; Industrial Immunity EN 61326;...
- Page 13 ArmorPoint 24V dc Output Modules, Series A Notes: Allen-Bradley Replacements Publication 1738-IN001A-EN-E - June 2004...
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Page 14: Rockwell Automation Support
Rockwell Automation Support Rockwell Automation provides technical information on the web to assist you in using our products. At http://support.rockwellautomation.com, you can find technical manuals, a knowledge base of FAQs, technical and application notes, sample code and links to software service packs, and a MySupport feature that you can customize to make the best use of these tools.