{"product_id":"allen-bradley-1794-if8-flex-i-o-analog-input-module","title":"Allen-Bradley 1794-IF8 FLEX I\/O Analog Input Module","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eAllen-Bradley 1794-IF8 FLEX I\/O Analog Input Module\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1794-IF8\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1794-IF8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAnalog Input Module, operates as a dedicated hardware component for analog signal acquisition within the FLEX I\/O 1794 system. It receives field voltage and current signals from industrial transmitters and sensors for PLC-based control applications.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\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-IF8\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O Analog Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O 1794\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e8 single-ended analog input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eVoltage and current analog signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Input Range\u003c\/td\u003e\n\u003ctd\u003e+\/- 10 VDC, 0 to 10 VDC, 0 to 5 VDC, 1 to 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Input Range\u003c\/td\u003e\n\u003ctd\u003e0 to 20 mA, 4 to 20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16 bits (15 bits + sign)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Format\u003c\/td\u003e\n\u003ctd\u003e16-bit 2's complement or unsigned binary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbsolute Accuracy\u003c\/td\u003e\n\u003ctd\u003e0.1% Full Scale at 25 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal DC Power Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal, 10.5 to 31.2 VDC operating range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexBus Current\u003c\/td\u003e\n\u003ctd\u003e20 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3.0 W maximum at 31.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003eGreater than 1 Mohm voltage input, 238 ohm current input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEtherNet\/IP Deterministic Networks and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe 1794-IF8 module is designed for FLEX I\/O distributed control architectures where analog field measurements are transferred through industrial communication adapters to PLC platforms. The module supports integration with ControlLogix, CompactLogix, and SLC 500 systems through compatible FLEX I\/O network interfaces.\u003c\/p\u003e\n\u003cp\u003eThe 8 channel input configuration provides I\/O density scaling within FLEX I\/O assemblies. Analog conversion uses 16 bit data processing with selectable voltage and current input ranges to support different field transmitter output standards.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What terminal base units are compatible with the 1794-IF8 module?\u003cbr\u003eA: The module supports 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, and 1794-TB3TS terminal base units.\u003c\/p\u003e\n\u003cp\u003eQ: Does the 1794-IF8 support isolated analog input channels?\u003cbr\u003eA: The module provides 50 V continuous isolation between channel-to-system and supply-to-system circuits. The input channels are specified as single-ended.\u003c\/p\u003e\n\u003cp\u003eQ: What power supply is required for the module operation?\u003cbr\u003eA: The module requires a 24 VDC nominal external power supply with an operating range of 10.5 to 31.2 VDC.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1794-IF8 module on a compatible FLEX I\/O terminal base unit and verify the mechanical seating position before applying power.\u003c\/p\u003e\n\u003cp\u003eConnect analog field wiring according to the selected voltage or current input configuration. Maintain correct polarity for voltage signals and current loop connections. Use shielded instrumentation cable where required and terminate cable shields according to the control system grounding practice.\u003c\/p\u003e\n\u003cp\u003eRoute analog signal cables separately from high voltage power conductors, motor wiring, and switching circuits to reduce electromagnetic interference. Verify terminal assignments, power supply polarity, and FlexBus communication connections before commissioning.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43778341961818,"sku":"1794-IF8","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1794-IE8H1.jpg?v=1785484912","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1794-if8-flex-i-o-analog-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}