{"product_id":"allen-bradley-1797-ie8-flex-ex-analog-input-module","title":"Allen-Bradley 1797-IE8 Flex Ex Analog Input Module","description":"\u003ch2\u003eAllen-Bradley 1797-IE8 Flex Ex Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1797-IE8\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1797-IE8\u003c\/strong\u003e Flex Ex Analog Input Module, operates as a dedicated hardware component for 0-20 mA and 4-20 mA signal acquisition within the Allen-Bradley Flex I\/O 1797 system.\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-IE8\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.56 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e7.5 W module 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\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\u003eNumber of Inputs\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 non-isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003e0-20 mA, 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 (68 deg F)\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\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\u003eData Format\u003c\/td\u003e\n\u003ctd\u003eConfigurable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctional Data Range\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;15 V @ 22 mA, \u0026gt;21.5 V @ 0 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Base Compatibility\u003c\/td\u003e\n\u003ctd\u003e1797-TB3 or 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\u003eIndicators\u003c\/td\u003e\n\u003ctd\u003e8 red fault indicators, 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\u003eEtherNet\/IP Deterministic Networks and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe 1797-IE8 module is designed for integration within the Allen-Bradley Flex Ex I\/O 1797 architecture, providing eight analog input channels with configurable data formatting and high-resolution signal conversion. The module supports intrinsic safety input classifications including Ex ia IIB\/IIC T4 and AEx ia IIC T4 Class I, II, III Division 1 Group A-G T4.\u003c\/p\u003e\n\u003cp\u003eThe module uses I\/O density scaling principles to provide multiple analog acquisition channels in a compact hazardous-area interface. The eight channel fault indicators provide channel-level diagnostic visibility, while the terminal base interface maintains field wiring separation between the module electronics and external instrumentation circuits.\u003c\/p\u003e\n\u003cp\u003eThe module supports Ex ib IIB\/IIC T4 and AEx ib IIC T4 Class I, Division 1 Group A-D T4 module classifications for hazardous environment installations. Proper grounding, segregation, and intrinsic safety wiring practices are required according to the applicable installation standards.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1797-IE8 provide isolated analog input channels?\u003cbr\u003eA: No. The module provides eight single-ended non-isolated analog input channels for 0-20 mA and 4-20 mA signals.\u003c\/p\u003e\n\u003cp\u003eQ: Which terminal bases are compatible with the 1797-IE8 module?\u003cbr\u003eA: The module is designed for use with 1797-TB3 or 1797-TB3S terminal bases.\u003c\/p\u003e\n\u003cp\u003eQ: What diagnostic indicators are available on the module?\u003cbr\u003eA: The module provides eight red fault indicators for channel status and one green power indicator for module power status.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1797-IE8 module on the specified Flex Ex terminal base and verify correct keyswitch position alignment before applying power.\u003c\/p\u003e\n\u003cp\u003eUse shielded instrumentation wiring where required by the installation environment. Connect cable shields according to site grounding practices to reduce electrical noise coupling into analog input circuits.\u003c\/p\u003e\n\u003cp\u003eMaintain separation between intrinsically safe field wiring and non-intrinsically safe circuits. Verify conductor size compatibility with the terminal base requirements and ensure that insulation dimensions comply with terminal connection limitations.\u003c\/p\u003e\n\u003cp\u003eConfirm that field devices connected to the analog inputs match the specified Ex ia or Ex ib intrinsic safety classifications before commissioning the circuit.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43787586142298,"sku":"1797-IE8","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1797-IE82.jpg?v=1785911379","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1797-ie8-flex-ex-analog-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}