{"product_id":"allen-bradley-1746-nt4-thermocouple-module","title":"Allen-Bradley 1746-NT4 SLC 500 Thermocouple Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746-NT4 is a specialized thermocouple input module designed for the SLC 500 programmable logic controller system. This module provides four isolated input channels capable of interfacing with various thermocouple types, including B, E, J, K, N, R, S, and T, as well as millivolt signals in the 50 mV or 100 mV ranges. It serves as a critical component for precision temperature monitoring and analog data acquisition in industrial automation environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4-channel thermocouple input capability.\u003c\/li\u003e\n\u003cli\u003eSupports a wide range of thermocouple types (B, E, J, K, N, R, S, T).\u003c\/li\u003e\n\u003cli\u003eSelectable input ranges for 50 mV or 100 mV signals.\u003c\/li\u003e\n\u003cli\u003eDesigned for seamless integration into the SLC 500 I\/O chassis.\u003c\/li\u003e\n\u003cli\u003eProvides high-resolution analog-to-digital conversion for temperature-sensitive processes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is widely utilized in industrial processes requiring accurate temperature feedback, such as heat treatment furnaces, chemical reactors, food processing equipment, and HVAC control systems. It is suitable for both new installations and as a replacement unit for existing SLC 500 architectures.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e1746-NT4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eThermocouple Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Thermocouples\u003c\/td\u003e\n\u003ctd\u003eB, E, J, K, N, R, S, T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Ranges\u003c\/td\u003e\n\u003ctd\u003e50 mV, 100 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eSLC 500 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the SLC 500 chassis power is disconnected before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eSlide the module into the designated slot in the SLC 500 chassis and secure it using the top and bottom retaining screws.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cabling for thermocouple connections to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003eEnsure proper grounding of the cable shields at the module end to maintain signal integrity.\u003c\/li\u003e\n\u003cli\u003eAvoid routing signal cables near high-voltage power lines or high-frequency switching equipment.\u003c\/li\u003e\n\u003cli\u003eHandle the module using proper ESD (Electrostatic Discharge) precautions to prevent damage to internal circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the 1746-NT4 still in production?\u003c\/h3\u003e\u003cp\u003eNo, the 1746-NT4 has been discontinued by the manufacturer. We provide high-quality surplus or refurbished units to support legacy system maintenance.\u003c\/p\u003e\u003ch3\u003eWhat thermocouple types are supported?\u003c\/h3\u003e\u003cp\u003eThe module supports types B, E, J, K, N, R, S, and T, making it highly versatile for various industrial temperature sensing applications.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50712104534268,"sku":"1746-NT4","price":78.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_4ea6224c-763f-4889-9c20-7aae067254fa.jpg?v=1785141108","url":"https:\/\/www.electronicplc.com\/es\/products\/allen-bradley-1746-nt4-thermocouple-module","provider":"Electronic PLC","version":"1.0","type":"link"}