{"product_id":"allen-bradley-1797-ie8nf-flex-ex-analog-input-module","title":"Allen-Bradley 1797-IE8NF Flex Ex Analog Input Module","description":"\u003ch2\u003eAllen-Bradley 1797-IE8NF Flex Ex Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1797-IE8NF\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1797-IE8NF\u003c\/strong\u003e Flex Ex Analog Input Module, operates as a dedicated hardware component for hazardous-area analog current signal acquisition within the Flex I\/O 1797 system. The module provides eight non-isolated single-ended analog inputs with integrated noise filtering for 0-20 mA and 4-20 mA signals.\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\u003e1797-IE8NF\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\u003e0.6 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e7.5 W field-side power consumption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFLEX Ex I\/O Analog Input Module with Noise Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eFlex I\/O 1797\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 non-isolated analog inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eSingle-ended current input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Range\u003c\/td\u003e\n\u003ctd\u003e0-20 mA and 4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e0.1% of output signal range at 20 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStep Response\u003c\/td\u003e\n\u003ctd\u003e4 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Format\u003c\/td\u003e\n\u003ctd\u003eConfigurable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Base Compatibility\u003c\/td\u003e\n\u003ctd\u003e1797-TB3 and 1797-TB3S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKeyswitch Position\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e5.2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e17.75 BTU\/hour\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003e8 red fault indicators and 1 green power indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor Wire Size\u003c\/td\u003e\n\u003ctd\u003e4 mm2 (12 gauge) stranded, maximum 1.2 mm insulation\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 1797-IE8NF module is designed for distributed industrial I\/O architectures using the Flex I\/O 1797 platform. Its eight-channel analog input density allows integration of multiple current signal loops within a single hazardous-area I\/O assembly. The module supports configurable data formatting and maintains deterministic data exchange through the connected control architecture.\u003c\/p\u003e\n\u003cp\u003eThe integrated noise filter processes external analog signals before conversion, reducing the impact of electrical interference on measurement channels. The module provides isolated-area compatibility through Ex-rated input protection, supporting Class I, II, III Division 1 and 2 hazardous location requirements.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: How many analog input channels are available on the 1797-IE8NF module?\u003cbr\u003eA: The module provides eight single-ended non-isolated analog input channels with integrated noise filtering.\u003c\/p\u003e\n\u003cp\u003eQ: What type of analog signals can be connected to the 1797-IE8NF?\u003cbr\u003eA: The module accepts current input signals in the ranges of 0-20 mA and 4-20 mA with 16-bit resolution.\u003c\/p\u003e\n\u003cp\u003eQ: Which terminal bases are compatible with this module?\u003cbr\u003eA: The 1797-IE8NF module is designed for use with 1797-TB3 and 1797-TB3S terminal bases.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the module using the specified Flex I\/O terminal base assembly and verify correct keyswitch positioning before applying power. Field wiring should follow industrial control panel practices, including separation of analog signal conductors from high-voltage switching conductors.\u003c\/p\u003e\n\u003cp\u003eUse shielded instrumentation wiring where required by the application, with cable shields terminated according to the grounding method defined for the control system. Confirm hazardous-area wiring requirements before connecting Ex-rated field circuits.\u003c\/p\u003e\n\u003cp\u003eVerify that the connected analog transmitters operate within the specified current input range and that field-side power loading remains within the module electrical limits. Check fault indicators after installation to confirm correct channel operation and field wiring status.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43787598528602,"sku":"1797-IE8NF","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1797-IE8NF2.jpg?v=1785912309","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1797-ie8nf-flex-ex-analog-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}