{"product_id":"emerson-kj3224x1-bk1-millivolt-input-module","title":"Emerson KJ3224X1-BK1 Millivolt Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eEmerson KJ3224X1-BK1\u003c\/strong\u003e serves as the primary \u003cstrong\u003eKJ3224X1-BK1\u003c\/strong\u003e Thermocouple and millivolt (mV) Input Card utilized to execute accurate low-voltage temperature sensor signal digitization across DeltaV automation platforms.\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\u003eKJ3224X1-BK1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson Process Management\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eAround 0.32 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 4.3 cm x 12.6 cm x 16 cm\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\u003e12 VDC at 210 mA (Local Bus Power limits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e8 input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Configuration\u003c\/td\u003e\n\u003ctd\u003eThermocouple and millivolt (mV) signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Architecture\u003c\/td\u003e\n\u003ctd\u003eFully isolated inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Shock Limits\u003c\/td\u003e\n\u003ctd\u003e10g half-sine wave for 11 ms duration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Tolerance\u003c\/td\u003e\n\u003ctd\u003e1 mm (2 to 13.2 Hz) \/ 0.7g (13.2 to 150 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContaminant Rating\u003c\/td\u003e\n\u003ctd\u003eISA-S71.04 Class G3 harsh environment certification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKeying Interface\u003c\/td\u003e\n\u003ctd\u003eIntegrated rotary keying system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control System Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol Data Alignment\u003c\/strong\u003e The 8-channel temperature digitization module maps microvolt and millivolt raw sensor potentials directly onto standardized internal register strings. This processing infrastructure integrates field inputs into the system loop architecture, delivering synchronized process temperature variables straight to the primary controller database.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Junction Compensation and Sensor Calibration Profiles\u003c\/strong\u003e Built-in cold junction compensation routines run continuously at the hardware connection terminal block layer. The internal data conversion firmware scales distinct thermocouple sensor curves automatically, enforcing maintenance-free signal tracking across volatile ambient limits without requiring field-side pot adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Electrical Isolation Barriers\u003c\/strong\u003e Each of the 8 input paths incorporates independent galvanic isolation fields to block high-frequency noise propagation and common-mode voltage spikes. This barrier layout eliminates ground loop interference across active sensors, preserving analog-to-digital converter accuracy under noisy industrial operating parameters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the KJ3224X1-BK1 module require external hardware calibration tools during commissioning?\u003c\/p\u003e\n\u003cp\u003eA: No. The internal digital calibration data is burned permanently into the module core non-volatile memory during factory validation testing, providing long-term measurement drift stability without the need for manual analog trim adjustments.\u003c\/p\u003e\n\u003cp\u003eQ: How does the integrated rotary keying system function during field maintenance actions?\u003c\/p\u003e\n\u003cp\u003eA: The rotary keying mechanism matches specific slot configurations on the passive terminal base. This physical interlock prevents engineers from mistakenly inserting a thermocouple module into a slot pinned for high-voltage digital or analog loop power lines, protecting the internal instrumentation circuitry from accidental electrical damage.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":45090780414067,"sku":"KJ3224X1-BK1","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-11_10-35-41_6f892d5b-8893-4fbc-bb88-570590a1596a.png?v=1781147914","url":"https:\/\/www.dcssupplier.com\/products\/emerson-kj3224x1-bk1-millivolt-input-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}