{"product_id":"emerson-kj3221x1-ba2-ao-module","title":"Emerson KJ3221X1-BA2 AO Module","description":"\u003cp\u003eThe \u003cstrong\u003eEmerson KJ3221X1-BA2\u003c\/strong\u003e, also cataloged under spare model part number \u003cstrong\u003e13P0125X012\u003c\/strong\u003e, serves as the primary \u003cstrong\u003eKJ3221X1-BA2\u003c\/strong\u003e Analog Output Card utilized to execute precise 4-20 mA current loop regulation 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-BA2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Model Number\u003c\/td\u003e\n\u003ctd\u003e13P0125X012\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 Architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Output Card \/ 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 analog output channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Signal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC current loops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstimated Shipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e4.1 cm x 12.8 cm x 10.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Net Weight\u003c\/td\u003e\n\u003ctd\u003e0.20 kg (0.44 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal Bus Power Consumption\u003c\/td\u003e\n\u003ctd\u003e12 VDC at 150 mA continuous drawing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBussed Field Power Capacity\u003c\/td\u003e\n\u003ctd\u003e24 VDC at 300 mA maximum totalized rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C standard functional cabinet ambient limits\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 module slots directly onto a passive M-Series I\/O carrier, interfacing the DeltaV processing core with external variable positioning equipment. The card incorporates independent digital-to-analog converters (DAC) for each channel, converting proportional internal logic steps into continuous 4-20 mA current loops without adding localized propagation delays. This exact regulation controls modulating devices, including control valve positioners, variable speed drive references, and external current-to-pressure (I\/P) transducers.\u003c\/p\u003e\n\u003cp\u003eInternal hardware diagnostic registers track the continuity of each output circuit. Fieldbus diagnostics and loop open-circuit fault alerts route instantly over Profinet, EtherNet\/IP, or native DeltaV deterministic networks via the master controller head. This diagnostic tracking supports rapid, real-time node evaluations, allowing high-density I\/O scaling routines and complete software 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: What action does the KJ3221X1-BA2 card take if communication with the primary DeltaV controller is lost?\u003c\/p\u003e\n\u003cp\u003eA: The card features software-configurable fail-safe states. Upon loss of backplane bus tracking, channels can be programmed to either hold their last valid 4-20 mA value or shed immediately to a predefined safe output percentage (such as 4 mA or 0 mA) to prevent process instability.\u003c\/p\u003e\n\u003cp\u003eQ: Can this analog output card be swapped out while the carrier remains energized?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The hardware design supports online module replacement (hot-swapping). The passive carrier backplane manages power sequencing during insertion and removal, preventing signal disruption or loss of connection tracking on adjacent active modules.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":45064406237299,"sku":"KJ3221X1-BA2","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/102_91fb7680-1daa-4964-a5ca-3e68d23daadd.png?v=1780473644","url":"https:\/\/www.dcssupplier.com\/products\/emerson-kj3221x1-ba2-ao-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}