{"product_id":"allen-bradley-1794-ob8epxt-flex-i-o-digital-sourcing-output-module","title":"Allen-Bradley 1794-OB8EPXT FLEX I\/O Digital Sourcing Output Module","description":"\u003ch2\u003eAllen-Bradley 1794-OB8EPXT FLEX I\/O Digital Sourcing Output Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for 24 VDC discrete output execution in FLEX I\/O systems, the \u003cstrong\u003eAllen-Bradley 1794-OB8EPXT\u003c\/strong\u003e (\u003cstrong\u003e1794-OB8EPXT\u003c\/strong\u003e FLEX I\/O Digital Sourcing Output Module) provides direct physical\/electrical execution through eight electronically protected sourcing channels.\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\u003e1794-OB8EPXT\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.24 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5.5 W max at 31.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O Digital Sourcing Output Module (Extreme Environment)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e8 sourcing outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal On-State Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10 VDC to 31.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Capacity\u003c\/td\u003e\n\u003ctd\u003e2.0 A per channel max, 10.0 A per module total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexBus Current\u003c\/td\u003e\n\u003ctd\u003e70 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V continuous, Basic Insulation Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e18.8 BTU\/hr at 31.2 VDC max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Protection\u003c\/td\u003e\n\u003ctd\u003eElectronic fusing and short-circuit protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Feature\u003c\/td\u003e\n\u003ctd\u003eXT conformal coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and FLEX I\/O Bus Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1794-OB8EPXT is designed for Allen-Bradley FLEX I\/O architectures requiring distributed digital output control. The module provides eight sourcing output points with electronic protection functions for channel-level fault handling.\u003c\/p\u003e\n\u003cp\u003eThe XT construction includes conformal coating for operation in harsh industrial environments. The module supports I\/O density scaling within FLEX I\/O remote I\/O configurations while maintaining direct output actuation through the FLEXBus communication structure.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1794-OB8EPXT provide output channel protection?\u003cbr\u003eA: Yes. Each output channel includes electronic protection with short-circuit protection and electronic fusing functions.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum output load capability of the module?\u003cbr\u003eA: The module supports up to 2.0 A per output channel and 10.0 A total module output current.\u003c\/p\u003e\n\u003cp\u003eQ: Is the module designed for extreme environmental applications?\u003cbr\u003eA: Yes. The 1794-OB8EPXT is an XT series module with conformal coating and an operating temperature range of -20 deg C to +70 deg C.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the module on the designated FLEX I\/O terminal base and verify correct mechanical engagement before applying power.\u003c\/p\u003e\n\u003cp\u003eUse wiring practices suitable for 24 VDC industrial output circuits. Separate high-current output wiring from low-level signal wiring to reduce electrical interference.\u003c\/p\u003e\n\u003cp\u003eConnect field device commons and shields according to the system grounding design. Shield termination should follow the cabinet grounding standard and avoid creating unintended ground loops.\u003c\/p\u003e\n\u003cp\u003eVerify output load ratings before commissioning. Confirm that connected actuators remain within the specified channel current and total module current limits.\u003c\/p\u003e\n\u003cp\u003eMaintain appropriate enclosure protection and environmental controls when installing in areas exposed to contamination, vibration, or temperature variations.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43778845474906,"sku":"1794-OB8EPXT","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1794-OB81.jpg?v=1785748391","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1794-ob8epxt-flex-i-o-digital-sourcing-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}