{"product_id":"allen-bradley-1771-obd-c-digital-dc-output-module","title":"Allen-Bradley 1771-OBD\/C Digital DC Output Module","description":"\u003cp\u003eConfigured for high-current DC load control in Allen-Bradley PLC-5 systems, the \u003cstrong\u003eAllen-Bradley 1771-OBD\/C\u003c\/strong\u003e (\u003cstrong\u003e1771-OBD\u003c\/strong\u003e Digital DC Output Module) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1771\u003c\/strong\u003e: Universal I\/O chassis-based hardware architecture for Allen-Bradley control platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOB\u003c\/strong\u003e: Discrete DC output module design classification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eD\u003c\/strong\u003e: 10 to 60 VDC operating voltage range configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e: Hardware revision C series designation.\u003c\/li\u003e\n\u003c\/ul\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-OBD\/C\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\u003e1.55 lbs (0.70 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1771 single-slot chassis module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.0 W (400 mA at 5 VDC backplane draw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e400 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e16 discrete outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Range\u003c\/td\u003e\n\u003ctd\u003e10 to 60 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Rating\u003c\/td\u003e\n\u003ctd\u003e2.0 A per channel (resistive), 8.0 A maximum per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePilot Duty Rating\u003c\/td\u003e\n\u003ctd\u003e0.2 A per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHigh-Density I\/O Isolation and Backplane Determinism\u003c\/h3\u003e\n\u003cp\u003eThe 1771-OBD\/C module manages 16 solid-state DC output channels, executing rapid load switching for actuators, solenoids, and indicators within a single chassis slot. Integrated across EtherNet\/IP and remote I\/O deterministic network topologies, the internal switching drivers isolate backplane logic from inductive inductive-kick back transients and field-side line fluctuations, preserving backplane bus communication velocity and preventing logic resets during heavy inductive switching cycles.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the maximum continuous current capacity per channel on the 1771-OBD\/C?\u003c\/p\u003e\n\u003cp\u003eA: Each individual output channel supports up to 2.0 A resistive load current, provided the total module continuous current does not exceed 8.0 A.\u003c\/p\u003e\n\u003cp\u003eQ: What is the backplane current draw for the 1771-OBD\/C output module?\u003c\/p\u003e\n\u003cp\u003eA: The module draws 400 mA at 5 VDC from the 1771 chassis backplane logic power rail.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure 1771 chassis backplane power and external 10 to 60 VDC field power supplies are fully de-energized prior to installing or servicing the module.\u003c\/li\u003e\n\u003cli\u003eAlign the module circuit board with the top and bottom card guides of the chassis slot, sliding it inward until the locking latches securely engage.\u003c\/li\u003e\n\u003cli\u003eWire external DC field loads to the designated 1771 field wiring arm terminals, ensuring reverse-polarity protection is implemented across inductive loads.\u003c\/li\u003e\n\u003cli\u003eRoute DC load cabling through dedicated wiring channels separate from high-voltage AC circuits and low-level analog input lines.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48779948228798,"sku":"1771-OBD\/C","price":93.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/1771-IXE_2_742ef55a-db83-4f3f-a404-f42cd9e57640.png?v=1787541752","url":"https:\/\/www.autooiltech.com\/products\/allen-bradley-1771-obd-c-digital-dc-output-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}