{"product_id":"allen-bradley-1771-ogd-b-dc-output-module","title":"Allen-Bradley 1771-OGD\/B DC Output Module","description":"\u003ch2\u003eAllen-Bradley 1771-OGD\/B DC Output Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for DC load switching in the PLC-5 I\/O system, the \u003cstrong\u003eAllen-Bradley 1771-OGD\/B\u003c\/strong\u003e (\u003cstrong\u003e1771-OGD\u003c\/strong\u003e DC Output Module) provides direct electrical execution through 16 sourcing output channels. The module controls 5-60 VDC field devices with current-limited output circuits for solenoids, relays, and indicator devices.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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-OGD\/B\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.85 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e15 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDC Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003ePLC-5 1771 I\/O Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e16 sourcing outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e5-60 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Current per Output\u003c\/td\u003e\n\u003ctd\u003e1 A maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Current per Module\u003c\/td\u003e\n\u003ctd\u003e8 A maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge Current\u003c\/td\u003e\n\u003ctd\u003e2 A for 10 ms, repeatable every 1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Leakage Current\u003c\/td\u003e\n\u003ctd\u003e1 mA per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Voltage Drop\u003c\/td\u003e\n\u003ctd\u003e2 VDC maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurn-On\/Off Delay\u003c\/td\u003e\n\u003ctd\u003eApproximately 10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e300 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1500 V AC rms tested\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Arm\u003c\/td\u003e\n\u003ctd\u003e1771-WH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e51 BTU\/hr maximum, 4.1 BTU\/hr minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL Listed, c-UL Class I Division 2 Hazardous Locations\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 Deterministic Output Control Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1771-OGD\/B operates within the Allen-Bradley PLC-5 1771 I\/O architecture and receives output commands through the chassis backplane interface. The module provides I\/O density scaling through 16 sourcing output points in a single rack-mounted unit, allowing multiple DC field loads to be controlled from PLC logic execution.\u003c\/p\u003e\n\u003cp\u003eThe output circuitry uses optical isolation and individual current limiting to separate field-side switching conditions from the PLC control interface. The module supports PLC-5 firmware flash compatibility considerations by maintaining the standard 1771 I\/O communication structure and hardware addressing method used by the platform.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What type of field devices can be connected to the 1771-OGD\/B outputs?\u003cbr\u003eA: The module is designed for DC loads including solenoids, relays, pilot lights, and other 5-60 VDC devices.\u003c\/p\u003e\n\u003cp\u003eQ: How many output points are available on the module?\u003cbr\u003eA: The 1771-OGD\/B provides 16 sourcing DC output channels.\u003c\/p\u003e\n\u003cp\u003eQ: What backplane power requirement is specified for the module?\u003cbr\u003eA: The module requires 300 mA from the 5 VDC PLC-5 backplane supply.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1771-OGD\/B module in a compatible PLC-5 1771 I\/O chassis using the correct slot configuration and wiring arm connection. Verify that field supply voltage matches the connected DC load requirements before energizing outputs.\u003c\/p\u003e\n\u003cp\u003eUse appropriate field wiring practices for DC switching circuits. Separate output wiring from high-voltage AC conductors and high-frequency switching cables to reduce electrical interference. Connect cable shields according to the site grounding method where shielded wiring is applied.\u003c\/p\u003e\n\u003cp\u003eConfirm output channel assignments, load current requirements, and polarity before connecting external devices. Ensure that connected loads remain within the specified per-channel and total module current limits.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43687857487962,"sku":"1771-OGD\/B","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1771-OGDB.jpg?v=1784620249","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1771-ogd-b-dc-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}