{"product_id":"allen-bradley-1771-ow16-plc-5-contact-output-module","title":"Allen-Bradley 1771-OW16 PLC-5 Contact Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1771-OW16\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1771-OW16\u003c\/strong\u003e Contact Output Module, operates as a dedicated hardware component for electromechanical relay signal execution within PLC-5 I\/O chassis platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1771-OW16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA \/ Global Manufacturing standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.44 lbs (1.11 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eSingle-slot 1771 I\/O chassis module form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C (32 to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane current: 1300 mA (1.3 A at 5 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e16 discrete relay contact outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Configuration\u003c\/td\u003e\n\u003ctd\u003e8 N.O. and 8 selectable N.O.\/N.C. outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Voltage Range\u003c\/td\u003e\n\u003ctd\u003e24 to 250 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Voltage Range\u003c\/td\u003e\n\u003ctd\u003e24 to 150 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Load\u003c\/td\u003e\n\u003ctd\u003e2 A per output module point (500 VA AC \/ 80 W DC max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Wiring Arm\u003c\/td\u003e\n\u003ctd\u003e1771-WN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKeying Position\u003c\/td\u003e\n\u003ctd\u003eBetween pins 2 and 4; Between pins 32 and 34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePLC-5 I\/O Density Scaling \u0026amp; Backplane Bus Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1771-OW16 provides 16-channel electromechanical relay control across PLC-5 rack architectures, accommodating high I\/O density scaling while maintaining galvano-isolated group switching across two 8-channel banks. Powered directly via the 1771 backplane bus at 1300 mA, internal optocoupler circuitry isolates logic processing from field-side switching transients. This architecture prevents inductive load spikes from causing backplane bus communication velocity degradation across adjacent chassis slots.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1771-OW16 require external surge suppression for inductive field loads?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module does not include internal surge limiting circuitry. An external RC network filter or surge suppressor must be connected across the contacts to mitigate arcing and electromagnetic noise (EMI).\u003c\/p\u003e\n\u003cp\u003eQ: Can the 1771-OW16 module be inserted or removed without disconnecting field wiring?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module utilizes the 1771-WN field wiring arm, which acts as a quick-disconnect terminal strip to allow module replacement while field wiring remains intact.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect main power to the 1771 I\/O chassis before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eInsert plastic keying bands into the chassis backplane connector between pins 2 to 4 and 32 to 34.\u003c\/li\u003e\n\u003cli\u003eSlide the 1771-OW16 into the card guides of a compatible 1771-A1B through A4B or later I\/O chassis slot until securely seated.\u003c\/li\u003e\n\u003cli\u003eAttach the 1771-WN field wiring arm and connect output circuits, installing external snubber networks across inductive loads.\u003c\/li\u003e\n\u003cli\u003eVerify chassis backplane power supply capacity accommodates the 1300 mA backplane current load of the module before system startup.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48747665981630,"sku":"1771-OW16","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/1771-OFE2_3_90e327dc-e08a-4c27-9b5f-e9c6f9dcda16.jpg?v=1786957867","url":"https:\/\/www.autooiltech.com\/products\/allen-bradley-1771-ow16-plc-5-contact-output-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}