{"product_id":"thermocouple-input-module-allen-bradley-1771-ix-plc-5","title":"Thermocouple Input Module | Allen-Bradley 1771-IX PLC-5","description":"\u003cp\u003eThe Allen-Bradley \u003cstrong\u003e1771-IX\u003c\/strong\u003e is an eight-channel intelligent analog input module built for PLC-5 system architectures. It interfaces low-level thermal and voltage sensors—including thermocouple types E, J, T, K, S, and R alongside $\\pm 100\\text{ mV}$ ranges—directly to a 1771 I\/O chassis without external signal conditioning.\u003c\/p\u003e\n\u003ch3\u003eChannel Data Acquisition and Processing\u003c\/h3\u003e\n\u003cp\u003eThe unit features eight floating differential input channels with a total scan update period of 50 ms across all channels. Internal cold junction compensation operates across 0 to 60 deg C with an accuracy of $\\pm 0.5\\text{ deg C}$, ensuring stable temperature values under varying ambient enclosure conditions.\u003c\/p\u003e\n\u003ch3\u003eBlock Transfer Communication and Wiring\u003c\/h3\u003e\n\u003cp\u003eAs a block transfer module, it exchanges data words directly with the PLC-5 processor's memory table, transferring configuration parameters and scaled input signals in single-scan block transfers. Field sensors wire into an Allen-Bradley 1771-WI wiring arm, which allows maintenance personnel to swap modules without removing individual field conductors.\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e1771-IX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley (Rockwell Automation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003ePLC-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eThermocouple \/ Millivolt Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e8 Floating Differential Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Sensors\u003c\/td\u003e\n\u003ctd\u003eThermocouple Types E, J, T, K, S, R; $\\pm 100\\text{ mV}$\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Update Time\u003c\/td\u003e\n\u003ctd\u003e50 ms \/ 8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCold Junction Compensation\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C ($\\pm 0.5\\text{ deg C}$ accuracy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterfacing\u003c\/td\u003e\n\u003ctd\u003eBlock Transfer Programming\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Load\u003c\/td\u003e\n\u003ctd\u003e750 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e14.5 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e4.25 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Arm\u003c\/td\u003e\n\u003ctd\u003e1771-WI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eSingle-Slot 1771 I\/O Chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3.75 lbs (1.70 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eFrequently Asked Questions\u003c\/p\u003e\n\u003cp\u003eQ: How does the 1771-IX handle data exchange with the processor? A: The module relies on block transfer instructions to exchange data words between its internal memory and the processor's data table in a single scan cycle, handling both channel configuration and analog input values.\u003c\/p\u003e\n\u003cp\u003eQ: Can module replacement be performed without rewiring field sensors? A: Yes, field connections attach to the separate 1771-WI wiring arm, enabling technicians to unlatch and swap out the module without disconnecting sensor wires.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":67147736055923,"sku":"1771-IX","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/1771-IM_Cocoai_5bf56db8-4c76-40c3-9d43-0e8928a4aaef.jpg?v=1794203748","url":"https:\/\/www.dcssupplier.com\/products\/thermocouple-input-module-allen-bradley-1771-ix-plc-5","provider":"DcsSupplier Limited","version":"1.0","type":"link"}