{"product_id":"allen-bradley-1756-irt8i-controllogix-input-module","title":"Allen-Bradley 1756-IRT8I ControlLogix 8-Point Isolated RTD\/Thermocouple Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1756-IRT8I is a high-performance analog input module designed for the ControlLogix platform. This module features eight isolated input channels capable of measuring signals from RTDs, thermocouples, and millivolt sources. Engineered for precision in industrial control environments, it provides reliable data acquisition for temperature-sensitive processes.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEight isolated input channels for enhanced noise immunity and signal integrity.\u003c\/li\u003e\n\u003cli\u003eSupport for a wide variety of thermocouple types including B, C, D, E, J, K, N, R, S, T, and TXK\/XK (L).\u003c\/li\u003e\n\u003cli\u003eData representation using IEEE 32-bit floating point format.\u003c\/li\u003e\n\u003cli\u003eIntegrated isolation voltage rating of 250 Volts continuous.\u003c\/li\u003e\n\u003cli\u003eFast module scan time of 1 ms for responsive process monitoring.\u003c\/li\u003e\n\u003cli\u003eLow power dissipation of 4.6 W to maintain thermal efficiency within the chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-IRT8I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 Isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Inputs\u003c\/td\u003e\n\u003ctd\u003eRTD, Thermocouple, Millivolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScan Time\u003c\/td\u003e\n\u003ctd\u003e1 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw (5.1V)\u003c\/td\u003e\n\u003ctd\u003e200 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw (24V)\u003c\/td\u003e\n\u003ctd\u003e150 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Power Dissipation\u003c\/td\u003e\n\u003ctd\u003e4.6 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250V Continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis is powered down before inserting or removing the module.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shielded cabling for thermocouple and RTD inputs to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003eVerify that the module is fully seated in the chassis slot and secured with the top and bottom latching mechanisms.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate airflow around the chassis to prevent exceeding the maximum operating temperature.\u003c\/li\u003e\n\u003cli\u003eFollow proper grounding practices for the backplane and signal shields to ensure accurate measurement performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat types of sensors can be connected to the 1756-IRT8I?\u003c\/h3\u003e\u003cp\u003eThis module supports various RTD types, multiple thermocouple standards (B, C, D, E, J, K, N, R, S, T, TXK\/XK), and millivolt input signals.\u003c\/p\u003e\u003ch3\u003eDoes this module require external power?\u003c\/h3\u003e\u003cp\u003eThe module draws its power directly from the ControlLogix backplane. It requires 200 mA at 5.1V and 150 mA at 24V from the system power supply.\u003c\/p\u003e\u003ch3\u003eIs the 1756-IRT8I isolated?\u003c\/h3\u003e\u003cp\u003eYes, the module features 8 isolated channels with a 250V continuous isolation rating, which helps protect the controller from ground loops and common-mode noise.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48870041419966,"sku":"1756-IRT8I","price":86.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/wm_1_7a7e47eb-af6d-4240-b1f8-c5dcaad58521.jpg?v=1788931992","url":"https:\/\/www.autooiltech.com\/es\/products\/allen-bradley-1756-irt8i-controllogix-input-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}