{"product_id":"emerson-kj3222x1-ba1-12p2532x072-analog-input","title":"EMERSON KJ3222X1-BA1 12P2532X072 Analog Input","description":"\u003cp\u003eThe \u003cstrong\u003eEmerson KJ3222X1-BA1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e12P2532X072\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for multi-channel current digitization within Emerson DeltaV DCS architecture. This 8-channel Series 2 card conditions 4-20 mA signals while extracting digital field device parameters across local I\/O carriers.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Part Number\u003c\/strong\u003e: KJ3222X1-BA1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrinted Circuit Board Assembly (PCBA)\u003c\/strong\u003e: 12P2532X072\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrier\/Series Reference\u003c\/strong\u003e: VE400352B1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Generation\u003c\/strong\u003e: DeltaV Series 2 I\/O Subsystem\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctional Variant\u003c\/strong\u003e: 8-Channel 4-20 mA HART Analog Input Module\u003c\/li\u003e\n\u003c\/ul\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\u003eKJ3222X1-BA1 (12P2532X072)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson\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\u003eStandard I\/O Module Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard DeltaV Series 2 Slot Form Factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSystem Local Bus Powered via Carrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003e4-20 mA HART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Time\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEmerson KJ3222X1-BA1\u003c\/strong\u003e integrates full 4-20 mA HART loop protocol processing across all 8 analog input channels. Onboard modem hardware demodulates frequency-shift keying (FSK) digital signals modulated onto the primary 4-20 mA current loop. This enables continuous extraction of secondary variables, device status registers, and transmitter diagnostic payloads without interrupting analog value digitization. Channel-to-channel isolation safeguards individual signal loops against ground potential differences, eliminating ground loop current distortions and maintaining A\/D converter accuracy across distributed field wiring paths.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does removing the module from an active carrier affect power delivery to adjacent modules?\u003c\/p\u003e\n\u003cp\u003eA: No, the module supports hot-swappable (RIUP) mechanics on live DeltaV I\/O carriers, allowing full insertion or extraction without disrupting backplane power or data traffic on neighboring slots.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle HART digital communication latency during fast process loops?\u003c\/p\u003e\n\u003cp\u003eA: The 4-20 mA analog signal path operates independently with a 10 ms update rate, while HART FSK digital data is processed asynchronously, ensuring primary control loop performance remains unaffected by digital telemetry polling.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrier Keying Slot Alignment\u003c\/strong\u003e: Verify that the mechanical keying pegs on the I\/O terminal carrier align strictly with the slot configuration of the KJ3222X1-BA1 prior to seating to avoid backplane pin deformation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielded Cable Termination\u003c\/strong\u003e: Route field transmitter connections using shielded twisted-pair cables. Ground overall cable shields at a single dedicated cabinet earth point; do not terminate shields at the field instrument enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Wiring Integrity\u003c\/strong\u003e: Ensure correct polarity and adequate power supply head-room (24 VDC nominal) across field instrument loops to maintain required operating voltage under full 20 mA load and HART FSK impedance conditions.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Emerson Epro","offers":[{"title":"Default Title","offer_id":45491326189683,"sku":"KJ3222X1-BA1 12P2532X072","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/KJ3004X1-BA1_2_aa9df305-666e-4375-a05e-edca70808ed6.png?v=1789351937","url":"https:\/\/www.dcssupplier.com\/products\/emerson-kj3222x1-ba1-12p2532x072-analog-input","provider":"DcsSupplier Limited","version":"1.0","type":"link"}