Compact™ 1769-OW8 AC/DC Relay Output Module
Contents
1. 10 removable terminal block n RTB with finger safe cover 8b 10a RTB upper retaining screw 10b RTB lower retaining screw Publication 1769 5 2 Compact 1769 OW8 AC DC Relay Output Module 3 Module Installation Compact 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 Ir IEC 60664 1 Prevent Electrostatic Discharge ATTENTION Electrostatic discharge can damage integrated circuits or semiconductors if you touch bus connector pins Follow these guidelines when you handle the module e Touch a grounded object to discharge static potential e Wear an approved wrist strap grounding device e Do not touch the bus connector or connector pins e Do not touch circuit components inside the module e If available use a static safe work station e When not in use keep the module in its static shield box Remove Power ATTENTION Remove power before removing or inserting this module When you remove or insert 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 Electr2. lbs 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 Terminal Screw Retaining Screw Wire Type Wire Size Torque Torque Solid Cu 90 C 194 F 14 to 22 AWG 0 68 Nm 6in lbs 0 46 Nm 4 1 in lbs Stranded Cu 90 C 194 F 16 to 22 AWG 0 68Nm 6in lbs 0 46 Nm 4 1 in lbs Publication 1769 5 2 10 Compact 1769 OW8 AC DC Relay Output Module I O Memory Mapping Output Data File For each module slot x word 0 in the output data file contains the control program s directed state of the discrete output points For the 1769 OW8 bits 8 to 15 are not used _ Bit Position o 15114113 12111019 817 651413121110 010 1 OO MON NO NO MONO WIWIWIWwWIwWIIwIwIw w write Output Module s Input Data File For each module slot x input data file word 0 contains the state of the module s output data output data echo file word 0 During normal operation these input bits represent the logic state that the outputs are directed to by the control program They are also dependent upon
3. aside This reduces remounting time during drilling and tapping of the next group 7 Repeat steps 1 to 6 for any remaining modules 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 latches Press the DIN rail mounting area of the module against the DIN rail The latches will momentarily open and lock into place Publication 1769 5 2 Compact 1769 OW8 AC DC Relay Output Module 7 Replacing a Single Module within a System The module can be replaced while the system is mounted to a panel or DIN rail 1 2 Remove power See important note on page 3 On the module to be removed remove the upper and lower mounting screws from the module or open the DIN latches using a flat blade or phillips style screw driver Move the bus lever to the right to disconnect unlock the bus On the right side adjacent module move its bus lever to the right unlock to disconnect it from the module to be removed Gently slide the disconnected module forward If you feel excessive resistance check that the module has been disconnected from the bus and that both mounting screws have been removed or DIN latches opened Note It may be necessary to rock the module slightly from front to back to remove it or in a panel mounted system to loosen the screws of adjacent modules
4. A 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 applications 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 ratings for relay contacts cannot exceed 2A Publication 1769 5 2 14 Compact 1769 OW8 AC DC 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 e Substitution of components may impair suitability for Class I Division 2 e Do not replace components or disconnect equipment unless power has been switched off e Do not connect or disconnect components unless power has been switched off e This product must be installed in an enclosure Environnements dangereux Cet quipement est con u pour tre utilis dans des environnements de Classe 1 Division 2 Groupes A B C D ou non dangereux La mise en garde suivante s applique une utilisation dans des environnements dangereux ATTENTION DANGER D EXPLO
5. A removable write on label is provided with the module Remove the label from the door mark the identification of each terminal with permanent ink and slide the label back into the door Your markings ID tag will be visible when the module door is closed 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 Publication 1769 5 2 Removing the Finger Safe Terminal Block Compact 1769 OW8 AC DC Relay Output Module 9 upper retaining screw T lower retaining screw np IS wiring the finger safe terminal block SY To remove the terminal block loosen the upper and lower retaining screws The terminal block will back away from the module as you remove the screws When replacing the terminal block torque the retaining screws to 0 46 Nm 4 1 in lbs Wiring the Finger Safe Terminal Block When wiring the terminal block keep the finger safe cover in place 1 Loosen the terminal screws to be wired 2 Route the wire under the terminal pressure plate You can use the bare wire or a spade lug The terminals will accept a 6 35 mm 0 25 in spade lug 3 Tighten the terminal screw making sure the pressure plate secures the wire Recommended torque when tightening terminal screws is 0 68 Nm 6 in
6. B Compact 1769 OW8 AC DC Relay Output Module Installation Instructions Inside Module Description 2 Module Install tion ss ss 3 System Assembly amenant menthe 4 Mounting Expansion IQ 5 Replacing a Single Module within a System 7 Field Wiring Connections 8 VO Memory Maping 228 remettent nan 10 SPecifications terre eae nt nent nn 11 Hazardous Location Considerations 0 00 cesseeseseee 14 Environnements dangereux seccccceseescsseseseseecsseeessnsseeeeeeeeesnssteeseteetsneess 14 For More Information c cccessescssesecesseecseeeeseeseeceaeeessneaeeceaeeessneseeeeeeetsneess 15 Rockwell Automation Publication 1769 5 2 2 Compact 1769 OW8 AC DC Relay Output Module Module Description Item Description 2a bus lever with locking function 2a upper panel mounting tab Ee 2b lower panel mounting tab 10a 3 I O diagnostic LEDs 4 module door with terminal identification label 10b i 2580585888 5a movable bus connector With female pins 5b stationary bus connector with male pins 6 nameplate label 7a upper tongue and groove slots 7b lower tongue and groove slots 5b 8a upper DIN rail latch 8b lower DIN rail latch 9 write on label user ID tag
7. Before installing the replacement module be sure that the bus lever on the module to be installed and on the right side adjacent module are in the unlocked fully right position Slide the replacement module into the open slot Connect the modules together by locking fully left the bus levers on the replacement module and the right side adjacent module Replace the mounting screws or snap the module onto the DIN rail Publication 1769 5 2 8 Compact 1769 OW8 AC DC Relay Output 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 Output Wiring Basic wiring of output devices to the 1769 OW8 is shown below ATTENTION Be careful when stripping wires Wire fragments that fall into a module could cause damage at power up Once wiring is complete ensure the module is free of all metal fragments us Lt or DC OUT 0 cr OUT 1 CR L2 or DC CRH our2 lt Le OUT 3 eR Li or DC VAC VDC 2 cr ZN OUT 5 cr 7 L2 or DC cn OUT 4 OUT 7 LCR OUT 6 Le
8. SION e La substitution de composants peut rendre cet quipement impropre une utilisation en environnement de Classe 1 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 Publication 1769 5 2 Compact 1769 OW8 AC DC Relay Output Module 15 For More Information For Refer to this Document Pub No A more detailed description of how to install and use your Compact I O with MicroLogix MicroLogix 1500 Programmable 1764 6 4 1500 programmable controller Controllers User Manual More information on proper wiring and Industrial Automation Wiring and 1770 4 1 grounding techniques Grounding Guidelines i If you would like a manual you can e download a free electronic version from the internet www ab com micrologix or www theautomationbookstore 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 9NEWLIT 800 963 9548 USA Canada or 001 330 725 1574 Outside USA Canada Publication 1769 5 2 16 Compact 1769 OW8 AC DC Relay Output Module Compact and MicroLogix are trademarks of Rockwell Automation Reach us now at www roc
9. energized Signal Delay max resistive load turn on 10 ms turn off 10 ms Off State Leakage max OmA On State Current min 10 mA at 5V de Continuous Current per Point max 2 5A Also see Relay Contact Ratings on page 13 Continuous Current per Common max 8A Continuous Current per Module max 16A Power Supply Distance Rating 8 The module may not be more than 8 modules away from the power supply 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 D Code 1 Product Type Code 7 Product Code 86 Publication 1769 5 2 Compact 1769 OW8 AC DC Relay Output Module 13 Relay Contact Ratings Amperes Voltamperes Volts Continuous Amps NEMA max per Point max Make Break Make Break IEC 947 ICS 2 125 240V ac 7 5A 0 75A 2 5A 1800 VA 180 VA AC15 C300 120V ac 15A 1 5A 125V de 1 0A 0 22A2 28 VA DC13 R150 24V de 2 0A 1 2A2 28 V
10. ical arcing causes excessive wear to contacts on both the module and its mating connector Worn contacts may create electrical resistance 1 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 3 Pollution Degree 2 and Over Voltage Category Il are International Electrotechnical Commission IEC designations Publication 1769 5 2 4 Compact 1769 OW8 AC DC Relay Output Module System Assembly The module can be attached to the controller or an adjacent I O module before or after mounting For mounting instructions see Panel Mounting on page 5 or DIN Rail Mounting on page 6 To work with a system that is already mounted see Replacing a Single Module within a System on page 7 The following procedure shows you how to assemble the Compact I O system 8 Disconnect power Check that the bus lever of the module to be installed is in the unlocked fully right position Use the upper and lower tongue and groove slots 1 to secure the modules together or to a controller Move the module back along the tongue and groove slots until the bus connectors 2 line u
11. kwellautomation 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 advantage is supported by thousands of authorized partners distributors and system integrators around the world Allen Bradley ARAMEIE DODGE Americas Headquarters 1201 South Second Street Milwaukee WI 53204 USA Tel 1 414 382 2000 Fax 1 414 382 4444 ET R kw Il European Headquarters SA NV avenue Herrmann Debroux 46 1160 Brussels Belgium Tel 32 2 663 06 00 Fax 32 2 663 06 40 OC e Asia Pacific Headquarters 27 F Citicorp Centre 18 Whitfield Road Causeway Bay Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Automation Publication 1769 5 2 January 1999 40071 048 01 A 1999 Rockwell International All Rights Reserved Printed in USA
12. p with each other Push the bus lever back slightly to clear the positioning tab 3 Use your fingers or a small screw driver To allow communication between the controller and module move the bus lever fully to the left 4 until it clicks Ensure it is locked firmly in place ATTENTION When attaching I O modules it is very important that the bus connectors are securely locked together to ensure proper electrical connection Attach an end cap terminator 5 to the last module in the system by using the tongue and groove slots as before Lock the end cap bus terminator 6 IMPORTANT A 1769 ECR or 1769 ECL right or left end cap must be used to terminate the end of the serial communication bus Publication 1769 5 2 Compact 1769 OW8 AC DC Relay Output Module 5 Mounting Expansion I O 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 on power up Minimum Spacing Maintain spacing from Top enclosure walls wireways adjacent 2 e 2 a equipment etc Allow 50 Side Controler 3 3 3 3 RTS mm 2 in of space on all S1S 1S 1681 S sides for adequate ventilation as shown Botiom Panel Mounting Mount the module to a panel using two screws per module Use M4 or 8 panhead screws Mounting screws are required on eve
13. ry module Panel Mounting Using the Dimensional Template For more than 2 modules number of modules 1 X 35 mm 1 38 in Refer to host controller documentation for this dimension 35 28 5 1 38 1 12 J J T us P jf P 132 5 oala g 5 197 El slsls D S R BEE ine ok S amp NOTE All dimensions 4 82640 008 h arein mm inches Hole spacing tolerance 4 4 0 4 mm 0 016 in Publication 1769 5 2 6 Compact 1769 OW8 AC DC Relay Output Module Panel Mounting Procedure Using Modules as a Template The following procedure allows you to use the assembled modules as a template for drilling holes in the panel If you have sophisticated panel mounting equipment you can use the dimensional template provided on page 5 Due to module mounting hole tolerance it is important to follow these procedures On a clean work surface assemble no more than three modules 2 Using the assembled modules as a template carefully mark the center of all module mounting holes on the panel 3 Return the assembled modules to the clean work surface including any previously mounted modules Drill and tap the mounting holes for the recommended M4 or 8 screw Place the modules back on the panel and check for proper hole alignment Attach the modules to the panel using the mounting screws Note If mounting more modules mount only the last one of this group and put the others
14. the e Program Mode configuration if supported by the controller e The Fault Mode configuration if supported by the controller For the 1769 OW8 bits 8 to 15 are not used 3 Bit Position o 115 141131121110 91871615 413 21 110 0 MO 0 0 0 0 0 0 0 r r r r r r r r r read IMPORTANT The output module s input data file reflects the output data echo of the module not necessarily the electrical state of the output terminals It does not reflect shorted or open outputs Note Itis only important to use this input word if the controller supports the Program Mode or Fault Mode function and if it is configured to use them Publication 1769 5 2 Compact 1769 OW8 AC DC Relay Output Module 11 Specifications General Specifications Specification Value 118 mm height x 87 mm depth x 35 mm width Dimensions height including mounting tabs is 138 mm 4 65 in height x 3 43 in depth x 1 38 in width height including mounting tabs is 5 43 in Approximate Shipping Weight with carton 280g 0 61 Ibs Storage Temperature 40 C to 85 C 40 F to 185 F Operating Temperature OC to 60 C 32 F to 140 F Operating Humidity 5 to 95 non condensing Operating Altitude 2000 meters 6561 feet Vibration Operating 1 to 500 Hz 5g 0 015 in peak to peak Relay Operation 2g Operating 30g panel mounted 20g DIN rail mo
15. unted Relay Operation 7 5g panel mounted 5g DIN rail Shock mounted Non Operating 40g panel mounted 30g DIN rail mounted e C UL certified under CSA C22 2 No 142 Agency Certification UL 508 listed CE compliant for all applicable directives Hazardous Environment Class Class I Division 2 Hazardous Location Groups A B C D UL 1604 C UL under CSA C22 2 No 213 Radiated and Conducted Emissions EN50081 2 Class A Electrical EMC The module has passed testing at the following levels ESD Immunity IEC1000 4 2 AkV contact 8 kV air 4 kV indirect e Radiated Immunity IEC1000 4 3 10 V m 80 to 1000 MHz 80 amplitude modulation 900 MHz keyed carrier e Fast Transient Burst IEC 1000 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 1 Conducted Immunity frequency range may be 150 kHz to 30 MHz if the Radiated Immunity frequency range is 30 MHz to 1000 MHz Publication 1769 5 2 12 Compact 1769 OW8 AC DC Relay Output Module Output Specifications Specification 1769 OW8 Voltage Category AC DC normally open relay Operating Voltage Range Suet 5 to 125V de Number of Outputs 8 Bus Current Draw max leet al oy denen 100 mA at 24V dc 2 4W Heat Dissipation 2 83 Total Watts The Watts per point plus the minimum Watts with all points
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