{"product_id":"emerson-kj3221x1-ba3-output-module","title":"Emerson KJ3221X1-BA3 Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eEmerson KJ3221X1-BA3\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eKJ3221X1-BA3\u003c\/strong\u003e Analog Output Card, serves as the primary \u003cstrong\u003eKJ3221X1-BA3\u003c\/strong\u003e Analog Output Module utilized to execute precise 4-20 mA current loop regulation and HART digital modulation tasks across Emerson DeltaV control 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 Number\u003c\/td\u003e\n\u003ctd\u003eKJ3221X1-BA3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson Automation Solutions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family \/ Series\u003c\/td\u003e\n\u003ctd\u003eDeltaV M-Series \/ Series 2 Architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Output Module \/ VDC Logic I\/O Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Density Scope\u003c\/td\u003e\n\u003ctd\u003e8 isolated analog output channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Output Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC current loops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol Interoperability\u003c\/td\u003e\n\u003ctd\u003eIntegrated HART communication supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazardous Area Certification\u003c\/td\u003e\n\u003ctd\u003eATEX Zone 2 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConformity Standard\u003c\/td\u003e\n\u003ctd\u003eCE marked\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Net Width\u003c\/td\u003e\n\u003ctd\u003e2.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Net Height\u003c\/td\u003e\n\u003ctd\u003e25.4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Net Depth \/ Length\u003c\/td\u003e\n\u003ctd\u003e20.3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Net Weight\u003c\/td\u003e\n\u003ctd\u003e0.30 kg (0.66 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C extended thermal boundaries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and DCS Instrument Integration\u003c\/h3\u003e\n\u003cp\u003eThe 8-channel analog output card mounts onto an M-Series passive I\/O carrier, connecting the DeltaV processing unit directly to variable field positioning equipment. The card features independent digital-to-analog converters (DAC) and isolated circuitry for each channel, transforming internal logic variables into continuous 4-20 mA current loops without adding localized propagation delays. An onboard FSK modem superimposes secondary digital HART signals onto the analog loops, transmitting device calibration parameters and health diagnostics directly across Profinet, EtherNet\/IP, or native DeltaV deterministic networks. This design allows simultaneous process manipulation and remote smart instrument management, supporting high-density I\/O scaling routines and remote firmware flash compatibility while keeping continuous connection tracking active across the plant network.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the channel isolation design on the KJ3221X1-BA3 impact loop performance?\u003c\/p\u003e\n\u003cp\u003eA: The board provides physical galvanic isolation across all 8 analog output channels. This prevents ground loops, suppresses common-mode electrical noise, and isolates fault surges, ensuring that a single-channel wiring fault does not interrupt connection tracking on neighboring loops.\u003c\/p\u003e\n\u003cp\u003eQ: Does the card support live physical component replacement during active process operations?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The hardware configuration supports online module replacement (hot-swapping). The passive carrier chassis handles power sequencing safely, preventing voltage drops or data disruption on adjacent active modules when a card is removed or inserted.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":45064406270067,"sku":"KJ3221X1-BA3","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-03_15-13-32_19841f0e-d989-499b-af37-e0682117e299.png?v=1780474194","url":"https:\/\/www.dcssupplier.com\/products\/emerson-kj3221x1-ba3-output-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}