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Installation Instructions
MicroLogix™ 1762-OW8 Relay Output Module
Inside
Description .......................................................3
Installation........................................................4
Mounting ..........................................................5
System Assembly .............................................7
Field Wiring Connections...................................7
I/O Memory Mapping ......................................10
Specifications .................................................11
Hazardous Location Considerations ................14
Environnements dangereux.............................15
1762-IN003A-US-P
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Table of Contents
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Summary of Contents for Allen-Bradley MicroLogix 1762-OW
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Page 1: Table Of Contents
Installation Instructions MicroLogix™ 1762-OW8 Relay Output Module Inside Description ............3 Installation............4 Mounting ............5 System Assembly ..........7 Field Wiring Connections........7 I/O Memory Mapping ........10 Specifications ..........11 Hazardous Location Considerations ....14 Environnements dangereux......15 1762-IN003A-US-P... - Page 2 MicroLogix™ 1762-OW8 Relay Output Module For More Information Refer to this Document Pub. No. Information on installing, wiring, and MicroLogix 1200 Programmable 1762-UM001A-US-P operating a MicroLogix 1200 Controllers User Manual Programmable Controller Installation guide for the MicroLogix MicroLogix 1200 Programmable 1762-IN006A-ML-P 1200 Programmable Controller.
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Page 3: Description
MicroLogix™ 1762-OW8 Relay Output Module Description Item Description upper panel mounting tab lower panel mounting tab I/O diagnostic LEDs module door with terminal identification label bus connector with male pins bus connector cover flat ribbon cable with bus connector (female pins) terminal block DIN rail latch pull loop... -
Page 4: Installation
MicroLogix™ 1762-OW8 Relay Output Module Installation 1762 I/O is suitable for use in an industrial environment when installed in accordance with these instructions. Specifically, this equipment is intended for use in clean, dry environments (Pollution degree 2 ) and to circuits not exceeding Over Voltage Category II (IEC 60664-1). -
Page 5: Mounting
MicroLogix™ 1762-OW8 Relay Output Module Mounting ATTENTION: Do not remove protective debris strip until after the module and all other equipment near the module is mounted and wiring is complete. Once wiring is complete and the module is free of debris, carefully remove protective debris strip. Failure to remove strip before operating can cause overheating. - Page 6 Before mounting the module on a DIN rail, close the DIN rail latch. Press the DIN rail mounting area of the module against the DIN rail. The latch will momentarily open and lock into place. Use DIN rail end anchors (Allen-Bradley part number 1492-EA35 or 1492-EAH35) for vibration or shock environments. End Anchor...
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Page 7: System Assembly
Additional grounding connections from the module’s mounting tabs or DIN rail (if used) are not required unless the mounting surface cannot be grounded. Refer to Industrial Automation Wiring and Grounding Guidelines, Allen-Bradley publication 1770-4.1, for additional information. 1762-IN003A-US-P... - Page 8 Once wiring is complete, ensure the module is free of all metal fragments. Surge Suppression – Connecting surge suppressors across your external inductive load will extend the life of the relay contacts. For additional details, refer to Industrial Automation Wiring and Grounding Guidelines , Allen-Bradley publication 1770-4.1. 1762-IN003A-US-P...
- Page 9 MicroLogix™ 1762-OW8 Relay Output Module Note: Finger-safe cover not shown. Wiring the Finger-Safe Terminal Block When wiring the terminal block, keep the finger-safe cover in place. 1. Route the wire under the terminal pressure plate. You can use the stripped end of the wire or a spade lug.
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Page 10: I/O Memory Mapping
MicroLogix™ 1762-OW8 Relay Output Module I/O Memory Mapping Output Data File For each output module, the output data file contains the controller-directed state of the discrete output points. Bit positions 0 through 7 correspond to output terminals 0 through 7. Bit Position w = write only, 0 = always at a 0 or OFF state Addressing... -
Page 11: Specifications
MicroLogix™ 1762-OW8 Relay Output Module Specifications General Specifications Specification Value Dimensions 90 mm (height) x 87 mm (depth) x 40 mm (width) height including mounting tabs is 110 mm 3.543 in. (height) x 3.425 in. (depth) x 1.575 in. (width) height including mounting tabs is 4.33 in. - Page 12 MicroLogix™ 1762-OW8 Relay Output Module Output Specifications Specification 1762-OW8 Voltage Category AC/DC normally open relay Operating Voltage Range 5 to 265V ac 5 to 125V dc Number of Outputs 80 mA at 5V dc (0.40W) Bus Current Draw (max.) 90 mA at 24V dc (2.16W) Heat Dissipation (max.) 2.9 Total Watts Signal Delay (max.) –...
- Page 13 Surge Suppression – Connecting surge suppressors across your external inductive load will extend the life of the relay contacts. For additional details, refer to Industrial Automation Wiring and Grounding Guidelines , Allen-Bradley publication 1770-4.1. For dc voltage applications, the make/break ampere rating for relay contacts can be determined by dividing 28 VA by the applied dc voltage.
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Page 14: Hazardous Location Considerations
MicroLogix™ 1762-OW8 Relay Output Module Hazardous Location Considerations This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D or non-hazardous locations only. The following ATTENTION statement applies to use in hazardous locations. ATTENTION: EXPLOSION HAZARD •... -
Page 15: Environnements Dangereux
MicroLogix™ 1762-OW8 Relay Output Module Environnements dangereux Cet équipement est conçu pour être utilisé dans des environnements de Classe I, Division 2, Groupes A, B, C, D ou non dangereux. La mise en garde suivante s’applique à une utilisation dans des environnements dangereux. ATTENTION: DANGER D’EXPLOSION •... - Page 16 Publication 1762-IN003A-US-P - September 1999 PN 40071-072-01(A) © (1999) Rockwell International Corporation. Printed in the U.S.A. ´H'*h!¶Am¨...
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