{"product_id":"1771-ixe-allen-bradley-isolated-temperature-input-module","title":"1771-IXE Allen-Bradley Isolated Temperature Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1771-IXE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a precision temperature sensing interface for the PLC-5 platform. This high-resolution module converts low-level analog signals from thermocouples or millivolt sources into digital values for the processor. Featuring 8 floating differential inputs, the 1771-IXE provides the electrical isolation necessary to prevent ground loops in complex industrial heating applications. It utilizes the Block Transfer interface to communicate large data packets efficiently, ensuring accurate temperature tracking across diverse sensor types.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eWe supply this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand original, ensuring peak factory calibration and 15-bit plus sign resolution.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Isolated Floating Differential Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Types\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eThermocouple (E, J, K, T, R, S) or Millivolt\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e+\/- 99.99 mV (Millivolt mode)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15 Bits + Sign; 1 degree C or 1 degree F\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUpdate Rate\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50 milliseconds for all 8 channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInterface Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlock Transfer (BTR\/BTW)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e750 mA at 5V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOptical Isolation between inputs and backplane\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 degrees C (32 to 140 degrees F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1771 Universal I\/O Chassis (Rack Mount)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 1771-IXE eliminates common precision measurement hurdles in heavy industrial environments:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Auto-Calibration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module performs automatic offset and gain calibration. This hardware-level feature maintains accuracy over time and temperature fluctuations without requiring manual technician intervention or external calibration gear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Noise Rejection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIsolated floating differential inputs reject common-mode noise. This allows the module to accurately read small millivolt signals even when thermocouple wires run near high-voltage motor cables or in electrically \"noisy\" environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMixed Sensor Flexibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe hardware supports \"4 and 4\" configurations, allowing engineers to monitor two different thermocouple types (e.g., Type K and Type J) on a single module. This versatility maximizes slot utilization in small 1771-A1B or 1771-A2B chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Throughput:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA 50ms update rate for all 8 channels ensures the PLC-5 processor reacts instantly to thermal spikes. This responsiveness proves critical for high-speed furnace control or chemical reaction monitoring where thermal lag must be minimized.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1771-IXE require an external power supply for the field sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The module draws its entire 750 mA operating current directly from the 1771 chassis backplane. It does not require an external power source to process the thermocouple or millivolt signals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix Millivolt and Thermocouple inputs on the same module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. You can configure the inputs as 8 channels of the same type or split them into two groups of 4. This allows you to monitor 4 thermocouples and 4 millivolt pressure transducers on a single 1771-IXE card.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module handle a broken thermocouple wire?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1771-IXE includes open-circuit detection. When the module detects a broken wire or lost signal, it reports a specific error bit to the PLC-5 processor via the Block Transfer Read (BTR) file, allowing the logic to trigger a safe shutdown or alarm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat wiring arm is required for the 1771-IXE?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis module typically utilizes the 1771-WG or 1771-WH wiring arms. Always ensure tight terminations and use proper thermocouple extension wire to prevent cold-junction compensation errors at the terminal block.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43377811914842,"sku":"1771-IXE","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/23.1_3f0e5691-839c-4a76-b4d8-6269e6d55d0d.jpg?v=1778812616","url":"https:\/\/www.spareoil.com\/products\/1771-ixe-allen-bradley-isolated-temperature-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}