{"product_id":"allen-bradley-1794-ob16d-flex-i-o-digital-output-module","title":"Allen-Bradley 1794-OB16D FLEX I\/O Digital Output Module","description":"\u003ch2\u003eAllen-Bradley 1794-OB16D FLEX I\/O Digital Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1794-OB16D\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1794-OB16D\u003c\/strong\u003e FLEX I\/O Digital Output Module, operates as a dedicated hardware component for 24 VDC discrete output execution within FLEX I\/O 1794 control system 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\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-OB16D\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O Digital Output Module with Diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O 1794\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e16 nonisolated sourcing outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Rating\u003c\/td\u003e\n\u003ctd\u003e8.0 A total output rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-state Current\u003c\/td\u003e\n\u003ctd\u003e500 mA maximum per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-state Leakage\u003c\/td\u003e\n\u003ctd\u003e0.5 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Delay\u003c\/td\u003e\n\u003ctd\u003e0.5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexBus Current\u003c\/td\u003e\n\u003ctd\u003e60 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e4.8 W maximum at 31.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e16.4 BTU\/hr at 31.2 VDC maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.21 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eDIN rail mounting, IP20 open style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet-IP Deterministic Networks and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe 1794-OB16D is a FLEX I\/O discrete output module designed for distributed I\/O architectures requiring compact channel expansion. The module provides 16 sourcing DC output channels with diagnostic capability for monitoring field output conditions.\u003c\/p\u003e\n\u003cp\u003eThe FLEX I\/O platform supports modular I\/O density scaling through distributed terminal assemblies and backplane communication structures. Output command data is transferred through the FLEXBus interface, with the module requiring 60 mA at 5 VDC from the bus supply.\u003c\/p\u003e\n\u003cp\u003eThe diagnostic output design allows the controller system to identify output-related conditions such as channel state changes and electrical load abnormalities according to configured application parameters.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1794-OB16D provide isolated output channels?\u003cbr\u003eA: No. The module provides 16 nonisolated sourcing DC outputs with a specified isolation voltage rating of 50 V.\u003c\/p\u003e\n\u003cp\u003eQ: What is the FlexBus current requirement for this module?\u003cbr\u003eA: The 1794-OB16D requires 60 mA at 5 VDC from the FLEX I\/O backplane bus.\u003c\/p\u003e\n\u003cp\u003eQ: What output signal delay is specified for the module?\u003cbr\u003eA: The module has an output signal delay specification of 0.5 ms.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the module on a compatible FLEX I\/O terminal base assembly using DIN rail mounting practices. Verify that field wiring matches the 24 VDC sourcing output configuration before applying power.\u003c\/p\u003e\n\u003cp\u003eUse appropriate control cabinet wiring separation between DC output conductors and high-energy switching circuits to reduce electrical interference. Connect cable shields according to the plant grounding standard when shielded field cables are used.\u003c\/p\u003e\n\u003cp\u003eConfirm that the connected loads remain within the specified channel current and total output current limits. Inspect terminal connections, supply polarity, and module seating before commissioning the I\/O station.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43778482896986,"sku":"1794-OB16D","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1794-OB16D2.jpg?v=1785746292","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1794-ob16d-flex-i-o-digital-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}