{"product_id":"allen-bradley-1794-of4i-flex-i-o-isolated-analog-output-module","title":"Allen-Bradley 1794-OF4I Flex I\/O Isolated Analog Output Module","description":"\u003ch2\u003eAllen-Bradley 1794-OF4I Flex I\/O Isolated Analog Output Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for isolated analog signal generation in Allen-Bradley Flex I\/O distributed I\/O networks, the \u003cstrong\u003eAllen-Bradley 1794-OF4I\u003c\/strong\u003e (\u003cstrong\u003e1794-OF4I\u003c\/strong\u003e Flex I\/O Isolated Analog Output Module) provides direct physical\/electrical execution. The module converts digital commands into four isolated analog output channels supporting current and voltage signal formats.\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-OF4I\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\u003e3.99 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C (32 to 131 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFlex I\/O Isolated Analog Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eFlex I\/O 1794\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e4 isolated analog outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signals\u003c\/td\u003e\n\u003ctd\u003e4-20 mA, 0-20 mA, +\/-10 VDC, 0-10 VDC, +\/-5 VDC, 0-5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Type\u003c\/td\u003e\n\u003ctd\u003eDigital to Analog Converter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e15 bits plus sign\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Rate\u003c\/td\u003e\n\u003ctd\u003e2.5\/5.0 ms all channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal DC Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal DC Supply Range\u003c\/td\u003e\n\u003ctd\u003e19.2 to 31.2 VDC including 5% AC ripple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexBus Current\u003c\/td\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e120 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Terminal Bases\u003c\/td\u003e\n\u003ctd\u003e1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, 1794-TB3TS, 1794-TBN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and Flex I\/O System Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1794-OF4I is designed for use within Allen-Bradley Flex I\/O architectures using compatible Flex I\/O adapters and terminal bases. The module operates as a distributed analog output node where controller data is transferred through the Flex I\/O communication structure and converted into isolated field output signals.\u003c\/p\u003e\n\u003cp\u003eThe module supports industrial control system expansion through I\/O density scaling within the Flex I\/O platform. Installation requires compatible terminal base hardware and proper adapter configuration for the selected distributed I\/O network.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How many analog output channels are available on the 1794-OF4I?\u003cbr\u003eA: The module provides four isolated analog output channels with configurable current and voltage output ranges.\u003c\/p\u003e\n\u003cp\u003eQ: What terminal bases are compatible with the 1794-OF4I?\u003cbr\u003eA: Compatible terminal bases include 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, 1794-TB3TS, and 1794-TBN.\u003c\/p\u003e\n\u003cp\u003eQ: What is the FlexBus current requirement of this module?\u003cbr\u003eA: The module requires 50 mA FlexBus current within the Flex I\/O system.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the module on a compatible DIN rail assembly with the correct Flex I\/O terminal base before applying field wiring. Verify that the 24 VDC external supply wiring matches the module requirements and that power polarity is correct before startup.\u003c\/p\u003e\n\u003cp\u003eRoute analog output wiring separately from high-voltage switching conductors to reduce electrical interference. Use appropriate shield termination practices for sensitive analog circuits according to site electrical standards.\u003c\/p\u003e\n\u003cp\u003eConfirm terminal base engagement, adapter communication status, and controller I\/O configuration before placing the analog outputs into service. Do not remove or install the module under conditions that exceed the specified operating environment.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43782675923034,"sku":"1794-OF4I","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1794-OF4I2.jpg?v=1785812704","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1794-of4i-flex-i-o-isolated-analog-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}