{"product_id":"allen-bradley-1756-it6i2-a-controllogix-enhanced-thermocouple-input-module","title":"Allen-Bradley 1756-IT6I2\/A ControlLogix Enhanced Thermocouple Input Module","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eAllen-Bradley 1756-IT6I2\/A ControlLogix Enhanced Thermocouple 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 1756-IT6I2\/A\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IT6I2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAnalog Thermocouple Module, operates as a dedicated hardware component for isolated temperature signal acquisition within ControlLogix platforms. The module processes six isolated thermocouple and millivolt input channels with dual cold junction compensation and 16-bit analog conversion.\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\u003e1756-IT6I2\/A\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\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.63 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e4.6 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Thermocouple Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e6 isolated thermocouple \/ millivolt inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCold Junction Compensation\u003c\/td\u003e\n\u003ctd\u003e2 CJC sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resolution\u003c\/td\u003e\n\u003ctd\u003e16 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Range\u003c\/td\u003e\n\u003ctd\u003e-12 to 78 mV; -12 to 30 mV high resolution range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1.4 microvolt\/bit typical; 0.7 microvolt\/bit high resolution range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Sensors\u003c\/td\u003e\n\u003ctd\u003eB, C, D, E, J, K, L, N, R, S, T thermocouples\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e250 V channel-to-channel and channel-to-backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Scan Time\u003c\/td\u003e\n\u003ctd\u003e25 ms minimum floating point millivolt; 50 ms minimum floating point temperature; 10 ms minimum integer millivolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Format\u003c\/td\u003e\n\u003ctd\u003eInteger mode (left justified, 2s complement); IEEE 32-bit floating point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e200 mA at 5 VDC; 120 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Blocks\u003c\/td\u003e\n\u003ctd\u003e1756-TBNH, 1756-TBSH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e20 pin removable terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eControlLogix Isolated Thermocouple Signal Processing\u003c\/h3\u003e\n\u003cp\u003eThe 1756-IT6I2\/A provides six individually isolated thermocouple and millivolt input paths for ControlLogix systems. Each input channel performs independent analog signal conversion while maintaining electrical isolation between field circuits and the chassis backplane.\u003c\/p\u003e\n\u003cp\u003eThe module supports thermocouple types B, C, D, E, J, K, L, N, R, S, and T. Dual cold junction compensation sensors are integrated for thermocouple temperature calculation. Signal conversion uses 16-bit resolution with configurable data formatting through integer mode or IEEE 32-bit floating point representation.\u003c\/p\u003e\n\u003ch3\u003eEtherNet\/IP and ControlLogix Platform Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1756-IT6I2\/A operates through the ControlLogix chassis backplane communication structure. Processed analog values, module status information, and configuration parameters are exchanged through the controller backplane bus.\u003c\/p\u003e\n\u003cp\u003eThe module supports ControlLogix I\/O density scaling through isolated analog input channel allocation. Firmware configuration compatibility allows sensor selection, input range parameters, and filtering settings to be managed through the ControlLogix programming environment.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many isolated input channels are available on the 1756-IT6I2\/A module?\u003c\/strong\u003e\u003cbr\u003eA: The module provides six isolated thermocouple\/millivolt input channels and includes two cold junction compensation sensors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What type of data output formats does the 1756-IT6I2\/A support?\u003c\/strong\u003e\u003cbr\u003eA: The module supports integer mode with left justified 2s complement formatting and IEEE 32-bit floating point data representation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the 1756-IT6I2\/A still an active ControlLogix module?\u003c\/strong\u003e\u003cbr\u003eA: The module has been discontinued and is no longer part of the current product offering. Existing units may require migration planning or replacement evaluation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-IT6I2\/A module in a compatible ControlLogix chassis slot and verify available backplane power capacity before installation. Use approved 1756-TBNH or 1756-TBSH removable terminal blocks for field connections.\u003c\/p\u003e\n\u003cp\u003eRoute thermocouple extension cables away from power conductors, motor cables, and high-frequency switching equipment to reduce electromagnetic interference. Maintain correct thermocouple polarity and use matching extension wire materials for each sensor type.\u003c\/p\u003e\n\u003cp\u003eTerminate cable shields according to site grounding practices. Confirm channel configuration, thermocouple type selection, cold junction compensation settings, and input scaling parameters before commissioning.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43612045377626,"sku":"1756-IT6I2\/A","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-IT6I2_b6cf8974-db39-408f-9108-763321bfbcc7.jpg?v=1783403499","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-it6i2-a-controllogix-enhanced-thermocouple-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}