{"product_id":"honeywell-51301874-100-thermocouple-low-energy-mux-board","title":"Honeywell 51301874-100 Thermocouple Low Energy Mux Board","description":"\u003cp\u003eConfigured for multiplexing high-density thermocouple signal channels in Honeywell process automation architectures, the \u003cstrong\u003eHoneywell 51301874-100\u003c\/strong\u003e (\u003cstrong\u003e51301874-100\u003c\/strong\u003e Thermocouple Low Energy Mux Board) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\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\u003e51301874-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\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\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive multiplexer board operating on 24 VDC bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003eSwitches up to 16 thermocouple inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermocouple Types\u003c\/td\u003e\n\u003ctd\u003eType J, K, T, S, E, and R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Interface\u003c\/td\u003e\n\u003ctd\u003eLow Energy Process Interface Unit (LEPIU) CCFA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eCold Junction Compensation (CJC) \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe multiplexer board routes up to 16 thermocouple sensor inputs directly into the Low Energy Process Interface Unit (LEPIU) CCFA assembly for precise signal linearization across Type J, K, T, S, E, and R thermocouple curves. High-grade board-level cold junction compensation (CJC) reference circuits correct for ambient thermal gradients across the field terminal termination zone. Integrated channel-to-channel isolation prevents ground loop current propagation and suppresses low-level millivolt signal interference during high-speed analog channel switching.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Which thermocouple sensor types can be processed by the 51301874-100 multiplexer board?\u003c\/p\u003e\n\u003cp\u003eA: The board provides routing and linearization compatibility for Type J, K, T, S, E, and R thermocouples.\u003c\/p\u003e\n\u003cp\u003eQ: What interface module does the 51301874-100 board connect with for analog processing?\u003c\/p\u003e\n\u003cp\u003eA: The board switches millivolt signals directly to the Low Energy Process Interface Unit (LEPIU) CCFA assembly.\u003c\/p\u003e\n\u003cp\u003eQ: What are the environmental operating temperature limits for cabinet installation?\u003c\/p\u003e\n\u003cp\u003eA: The hardware operates continuously within ambient enclosure temperatures ranging from -40 deg C to +70 deg C.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDe-energize the 24 VDC system power rail before inserting or removing the multiplexer board from the rack slot.\u003c\/li\u003e\n\u003cli\u003eConnect thermocouple lead wires to designated terminal points, observing polarity and using extension wires matching the specific thermocouple type.\u003c\/li\u003e\n\u003cli\u003eSecure all field wiring drain shields to the main panel earth ground bus bar to prevent common-mode noise corruption on millivolt inputs.\u003c\/li\u003e\n\u003cli\u003eEnsure CJC thermal sensors on the termination block remain unobstructed and free from localized heating sources.\u003c\/li\u003e\n\u003cli\u003eInspect edge connectors for correct mechanical alignment before fully seating retaining fasteners.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53604892246325,"sku":"51301874-100","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/51301874-100_Cocoai_dffc350c-5bd4-4a96-a943-78ebb8c909a8.png?v=1789713950","url":"https:\/\/www.5gplc.com\/products\/honeywell-51301874-100-thermocouple-low-energy-mux-board","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}