{"product_id":"emerson-kj3002x1-ba1-12p0680x122-deltav-analog-input-module","title":"EMERSON KJ3002X1-BA1 12P0680X122 DeltaV Analog Input Module","description":"\u003cp\u003eThe \u003cstrong\u003eEMERSON KJ3002X1-BA1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e12P0680X122\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for processing 8-channel 4-20 mA HART transmitter field signals within DeltaV DCS 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\u003eKJ3002X1-BA1 (12P0680X122)\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\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.20 kg (0.44 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e4.4 x 11.4 x 12.7 cm (1.73 x 4.49 x 5.00 in.)\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 local bus powered via carrier backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol Support\u003c\/td\u003e\n\u003ctd\u003eHART digital communication pass-through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Wiring Type\u003c\/td\u003e\n\u003ctd\u003e2-wire \/ 4-wire analog input configuration\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 and Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe EMERSON KJ3002X1-BA1 card routes 8 discrete 4-20 mA field loops into the DeltaV carrier backplane while extracting digital HART diagnostic data superimposed on the analog current signals. Internal channel-to-channel isolation architecture prevents ground loop currents and transient noise coupling between field field-installed transmitters and backplane processing units. The 12 VDC local bus interface ensures stable power distribution to onboard analog-to-digital converters, sustaining low-latency signal updates to central DCS controllers.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is HART diagnostic data handled alongside the primary 4-20 mA analog signal?\u003c\/p\u003e\n\u003cp\u003eA: The module incorporates frequency-shift keying (FSK) demodulators on each channel, allowing simultaneous acquisition of the 4-20 mA process variable and pass-through of HART digital device parameters to the DeltaV asset management system.\u003c\/p\u003e\n\u003cp\u003eQ: Can this module be installed or replaced while the local carrier backplane is powered?\u003c\/p\u003e\n\u003cp\u003eA: Yes. DeltaV I\/O cards support Removal and Insertion Under Power (RIUP), enabling field swap-outs without de-energizing adjacent modules or interrupting active process control loops on the backplane bus.\u003c\/p\u003e\n\u003cp\u003eQ: What protection measures exist against external field wiring faults?\u003c\/p\u003e\n\u003cp\u003eA: Each channel includes current-limiting and overvoltage protection circuitry to isolate field short circuits, preventing field loop electrical faults from damaging internal backplane logic.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTerminal Block Mounting: Insert the KJ3002X1-BA1 module onto the designated 8-channel I\/O terminal block slot on the DeltaV carrier rail until the latch mechanisms lock into place.\u003c\/li\u003e\n\u003cli\u003eField Wiring and Polarity: Wire 2-wire or 4-wire 4-20 mA transmitters to the corresponding channel terminals, ensuring proper polarity and power sourcing configuration for field loops.\u003c\/li\u003e\n\u003cli\u003eCable Shield Terminations: Connect overall signal cable shields to the carrier ground bar at a single ground reference point to maintain high-frequency noise rejection across all HART loops.\u003c\/li\u003e\n\u003cli\u003eChannel Separation: Separate 4-20 mA field signal conductors from high-voltage AC lines and motor switching cables inside wiring ducts, adhering to standard industrial EMC clearance requirements.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":45460094255219,"sku":"KJ3002X1-BA1 12P0680X122","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/KJ3243X1-BA1_1__Cocoai_9fd3424e-9e61-4442-90aa-ccf125fee153.jpg?v=1788836222","url":"https:\/\/www.dcssupplier.com\/products\/emerson-kj3002x1-ba1-12p0680x122-deltav-analog-input-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}