MicroLogix™ 1762-OW8 Relay Output Module
Contents
1. dc Continuous Current per Point max 2 5 A Also see Relay Contact Ratings on page 13 Continuous Current per Common max Continuous Current per Module max Power Supply Distance Rating Isolated Groups Group 1 Outputs 0 to 3 Group 2 Outputs 4 to 7 Output Group to Backplane Isolation Verified by one of the following dielectric tests 1836V ac for 1 sec or 2596V dc for 1 sec 265V ac working voltage IEC Class 2 reinforced insulation Output Group to Output Group Isolation Verified by one of the following dielectric tests 1836V ac for 1 sec or 2596V dc for 1 sec 265V ac working voltage basic insulation 150V ac working voltage IEC Class 2 reinforced insulation Vendor I D Code 1 Product Type Code 7 Product Code 120 1762 IN003A US P MicroLogix 1762 OW8 Relay Output Module 13 Relay Contact Ratings Continuous Amperes Voltamperes Volts max Amps per 7 p Point max Make Break Make Break 240V ac 7 5A 0 75 A 2 5 A 1800 VA 180 VA 120V ac 15 15 A 125V dc 1 0 A 0 22 AU 28 VA 24V dc 2 0 A 1 2 A 28 VA 1 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 2 For dc voltage applicat2. mise en garde suivante s applique une utilisation dans des environnements dangereux ATTENTION DANGER D EXPLOSION e La substitution de composants peut rendre cet quipement impropre a une utilisation en environnement de Classe I Division 2 e Ne pas remplacer de composants ou d connecter l quipement sans s tre assur que l alimentation est coup e e Ne pas connecter ou d connecter des composants sans s tre assur que l alimentation est coup e e Ce produit doit tre install dans une armoire e Pour les applications de Classe I Division 2 le connecteur de bus doit tre correctement install et son couvercle enclench e Pour les applications de Classe I Division 2 tous les modules doivent tre install s en contact direct les uns avec les autres comme indiqu page 6 Si on utilise le montage sur rail DIN une but e doit tre plac e l avant de l automate et apr s la derni re unit d E S 1762 1762 INOO3A US P M Reach us now at www rockwellautomation com Wherever you need us Rockwell Automation brings together leading brands in industrial automation including Allen Bradley controls Reliance Electric power transmission products Dodge mechanical power transmission components and Rockwell Software Rockwell Automation s unique flexible approach to helping customers achieve a competitive gt advantage is supported by thousands of authorized partners distributors and
3. the bus connector cover must be snapped in place e In Class I Division 2 applications all modules must be mounted in direct contact with each other as shown on page 6 If DIN rail mounting is used an end stop must be installed ahead of the controller and after the last 1762 I O module Field Wiring Connections Grounding the Module This product is intended to be mounted to a well grounded mounting surface such as a metal panel 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 INOO3A US P 8 MicroLogix 1762 OW8 Relay Output Module Output Wiring Basic wiring of the 1762 OW8 is shown below o v e vog L1 or DC CO outo in OUT 1 L CR L2 or DC CR OUT 2 a L1 or DC NAS NES 1 E L2 or DC CR OUT5 OUT 6 RS A write on label is provided with the module Mark the identification of each terminal with permanent ink and slide the label back into the door ATTENTION Be careful when stripping wires Wire fragments that fall into a module could cause damage when power is applied Once wiring is complete ensure the module is free of all metal fragments Surge Suppression Connecting surge suppressors across your e
4. Installation Instructions Wy MicroLogix 1762 OW8 Relay Output Module Inside Description 3 Installation sctia uceieeen tn 4 MOUNTING sement tenir 5 System Assembly 7 Field Wiring Connections 7 YO Memory Mapping 10 Specifications 11 Hazardous Location Considerations 14 Environnements dangereux 15 1762 INOO3A US P 2 MicroLogix 1762 OW8 Relay Output Module For More Information For Refer to this Document Pub No nformation on installing wiring and MicroLogix 1200 Programmable 1762 UM001A US P operating a MicroLogix 1200 Controllers User Manual Programmable Controller nstallation guide for the MicroLogix MicroLogix 1200 Programmable 1762 INOO6A ML P 1200 Programmable Controller Controllers Installation nstructions nstallation guide for the MicroLogix MicroLogix 1200 Memory 1762 INOO1A US P 1200 Memory Module and Real Time Module and or Real Time Clock Clock nstallation Instructions nstallation guide for the 1762 IA8 1762 1A8 120V ac Input Module 1762 INO02A US P Discrete Input Module nstallation Instructions nstallation guide for the 1762 108 1762 IQ8 DC Input Module 1762 IN004A US P Discrete Input Module nstallation Instructions nstallation guide for the 1762 IF20F2 1762 IF20F2 Analog Input 1762 INO05A US P Analog 1 0 Module Output Module Installation nstructions More information on proper wiring and Industrial Automation Wiri
5. N 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 Note For environments with greater vibration and shock concerns use the panel mounting method described below instead of DIN rail mounting Panel Mounting Use the dimensional template shown below to mount the module The preferred mounting method is to use two M4 or 8 panhead screws per module M3 5 or 6 panhead screws may also be used but a washer may be needed to ensure a good ground contact Mounting screws are required on every module For more than 2 modules number of modules 1 x 40 mm 1 58 in ___ ____ u5 _ 0 57 NOTE All dimensions are in KEN Q f 5 mm inches Hole ii spacing tolerance 5 0 4 mm 0 016 in 100 90 3 94 3 54 MicroLogix 1200 Cortroiler MicroLogix 1200 Brarsion O 1762 IN003A US P MicroLogix 1762 OW8 Relay Output Module 7 System Assembly The expansion I O module is attached to the controller or another I O module by means of a flat ribbon cable after mounting as shown below Note Use the pull loop on the connector to disconnect modules Do not pull on the ribbon cable ATTENTION EXPLOSION HAZARD e In Class I Division 2 applications the bus connector must be fully seated and
6. Pollution Degree 2 and Over Voltage Category Il are International Electrotechnical Commission IEC designations 1762 IN003A US P MicroLogix 1762 OW8 Relay Output Module 5 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 Minimum Spacing Maintain spacing from enclosure walls wireways adjacent Side M ta equipment etc Allow 1200 50 8 mm 2 in of space on all sides for adequate ventilation as shown Top lt _ gt Side 1762 I O 1762 I O 1762 I O Bottom lt I _ gt Note 1762 expansion I O may be mounted horizontally only ATTENTION During panel or DIN rail mounting of all devices be sure that all debris metal chips wire strands etc is kept from falling into the module Debris that falls into the module could cause damage when power is applied to the module 1762 INO03A US P 6 MicroLogix 1762 OW8 Relay Output Module DIN Rail Mounting The module can be mounted using the following DIN rails 35 x 7 5 mm EN 50 022 35 x 7 5 or 35 x 15 mm EN 50 022 35 x 15 Before mounting the module on a DIN rail close the DIN rail latch Press the DIN rail mounting area of the module against the DI
7. atic discharge can damage integrated circuits or semiconductors if you touch bus connector pins Follow these guidelines when you handle the module Touch a grounded object to discharge static potential Wear an approved wrist strap grounding device Do not touch the bus connector or connector pins Do not touch circuit components inside the module If available use a static safe work station When not in use keep the module in its static shield box Remove Power ATTENTION Remove power before removing or installing this module When you remove or install a module with power applied an electrical arc may occur An electrical arc can cause personal injury or property damage by e sending an erroneous signal to your system s field devices causing unintended machine motion e causing an explosion in a hazardous environment e causing permanent damage to the module s circuitry Electrical arcing causes excessive wear to contacts on both the module and its mating connector Worn contacts may create electrical resistance Pollution Degree 2 is an environment where normally only non conductive pollution occurs except that occasionally a temporary conductivity caused by condensation shall be expected 2 Over Voltage Category Il is the load level section of the electrical distribution system At this level transient voltages are controlled and do not exceed the impulse voltage capability of the product s insulation
8. emory 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 5 15 14 13 12111110 9 8 7 001001000100 wiwiwlIwiwiwlwl w w write only 0 always at a 0 or OFF state Addressing The addressing scheme for 1762 Expansion I O is shown below Data File at i Word always zero for this module 0 US Bit Delimiter Slot ZL Word Delimiter 1 1 0 located on the controller embedded 1 0 is slot 0 1 0 added to the controller expansion 1 0 begins with slot 1 1762 IN003A US P Specifications General Specifications Specification Dimensions MicroLogix 1762 OW8 Relay Output Module 11 Value 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 Approximate Shipping Weight with carton 228 g 0 50 Ibs Storage Temperature 40 C to 85 C 40 F to 185 F Operating Temperature 0 C to 55 C 32 F to 131 F Operating Humidity 5 to 95 non condensing Operating Altitude 2000 meters 6561 feet Vibration Refer to the MicroLogix 1200 Controllers Installation Shock Instructions publication 1762IN006A ML P Agency Certifica
9. ions the make break ampere rating for relay contacts can be determined by dividing 28 VA by the applied dc voltage For example 28 VA 48V dc 0 58A For dc voltage applications less than 48V the make break rating for relay contacts cannot exceed 2A 1762 INOO3A US P 14 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 1762 IN003A US P Substitution of components may impair suitability for Class I Division 2 Do not replace components or disconnect equipment unless power has been switched off Do not connect or disconnect components unless power has been switched off This product must be installed in an enclosure In Class I Division 2 applications the bus connector must be fully seated and the bus connector cover must be snapped in place In Class I Division 2 applications all modules must be mounted in direct contact with each other as shown on page 6 If DIN rail mounting is used an end stop must be installed ahead of the controller and after the last 1762 I O module MicroLogix 1762 OW8 Relay Output Module 15 Environnements dangereux Cet quipement est con u pour tre utilis dans des environnements de Classe I Division 2 Groupes A B C D ou non dangereux La
10. ng 1770 4 1 grounding techniques and Grounding Guidelines If you would like a manual you can e download a free electronic version from the internet www ab com micrologix Or www theautomat ionbookstore com e purchase a printed manual by contacting your local distributor or Rockwell Automation representative visiting www theautomationbookstore com and placing your order calling 1 800 963 9548 USA Canada or 001 330 725 1574 Outside USA Canada 1762 IN003A US P MicroLogix 1762 OW8 Relay Output Module 3 Description Item Description upper panel mounting tab lower panel mounting tab 1 0 diagnostic LEDs module door with terminal identification label JA bus connector with male pins H Viz A bus connector cover 2 6 flat ribbon cable with bus connector female pins 7 terminal block 8 DIN rail latch 9 pull loop 1762 IN003A US P 4 MicroLogix 1762 OW8 Relay Output Module Installation 1762 T 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 112 IEC 60664 1 Prevent Electrostatic Discharge ATTENTION Electrost
11. system integrators around the world Americas Headquarters 1201 South Second Street Milwaukee WI 53204 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Rockwell European Headquarters SA NV avenue Herrmann Debroux 46 1160 Brussels Belgium Tel 32 2 663 06 00 Fax 32 2 663 06 40 Asia Pacific Headquarters 27 F Citicorp Centre 18 Whitfield Road Causeway Bay Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Automation Publication 1762 INO03A US P September 1999 PN 40071 072 01 A 1999 Rockwell International Corporation Printed in the U S A
12. tion C UL certified under CSA C22 2 No 142 UL 508 listed CE compliant for all applicable directives Hazardous Environment Class Class Division 2 Hazardous Location Groups A B C D UL 1604 C UL under CSA C22 2 No 213 Noise Immunity NEMA standard ICS 2 230 Radiated and Conducted Emissions EN50081 2 Class A Electrical EMC The module has passed testing at the following levels ESD Immunity IEC1000 4 2 4 kV contact 8 kV air 4 kV indirect Radiated Immunity IEC1000 4 3 10 V m 80 to 1000 MHz 80 amplitude modulation 900 MHz keyed carrier Fast Transient Burst IEC1000 4 4 2 KV 5 kHz Surge Immunity IEC1000 4 5 2 KV common mode 1 kV differential mode Conducted Immunity IEC1000 4 6 10V 0 15 to 80 MHz Conducted Immunity frequency range may be 150 kHz to 30 MHz if the Radiated Immunity frequency range is 30 MHz to 1000 MHz 1762 INO03A US P 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 8 Bus Current Draw max 80 mA at 5V dc 0 40W 90 mA at 24V dc 2 16W Heat Dissipation max 2 9 Total Watts Signal Delay max resistive load On Delay 10 ms Off Delay 10 ms Off State Leakage max 0 mA On State Current min 10 mA at 5V
13. xternal 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 MicroLogix 1762 OW8 Relay Output Module Wiring the Finger Safe Terminal Block When wiring the terminal block keep the finger safe cover in place Note Finger safe cover not shown 1 Route the wire under the terminal pressure plate You can use the stripped end of the wire or a spade lug The terminals will accept a 6 35 mm 0 25 in spade lug 2 Tighten the terminal screw making sure the pressure plate secures the wire Recommended torque when tightening terminal screws is 0 904 Nm 8 in Ibs Note If you need to remove the finger safe cover insert a screw driver into one of the square wiring holes and gently pry the cover off If you wire the terminal block with the finger safe cover removed you will not be able to put it back on the terminal block because the wires will be in the way Wire Size and Terminal Screw Torque Each terminal accepts up to two wires with the following restrictions Wire Type Wire Size Terminal Screw Torque Solid Cu 90 C 194 F 14 to 22 AWG 0 904 Nm 8 in lbs Stranded Cu 90 C 194 F 16 to 22 AWG 0 904 Nm 8 in lbs 1762 INOO3A US P 9 10 MicroLogix 1762 OW8 Relay Output Module I O M
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