{"product_id":"emerson-kj3221x1-ba1-12p2531x082-deltav-analog-output-module","title":"EMERSON KJ3221X1-BA1 12P2531X082 DeltaV Analog Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eEmerson KJ3221X1-BA1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e12P2531X082\u003c\/strong\u003e Analog Output Module, operates as a dedicated hardware component for direct current loop execution within Emerson DeltaV DCS platforms. This Series 2 I\/O card converts digital system commands into calibrated 4-20 mA field signals across local controller backplane buses.\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: KJ3221X1-BA1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrinted Circuit Board Assembly (PCBA)\u003c\/strong\u003e: 12P2531X082\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpare Assembly Model\u003c\/strong\u003e: VE4005S2B1\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: Analog Output 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\u003eKJ3221X1-BA1 (12P2531X082)\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\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e4.1 cm x 12.5 cm x 10.5 cm\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\u003eLocal Bus Powered via Carrier (12 VDC internal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eDeltaV Series 2 Carrier Assemblies\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 KJ3221X1-BA1\u003c\/strong\u003e features integrated 4-20 mA HART loop protocol support on its analog channels. Integrated modem circuits overlay high-frequency frequency-shift keying (FSK) digital signals onto the primary current outputs, allowing real-time transmission of digital positioner feedback and diagnostic telemetry without distorting analog control outputs. System-to-channel and channel-to-channel galvanic isolation blocks stray ground currents, protecting backplane digital logic from high common-mode field voltages and electrical noise propagation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the module be inserted or removed while the DeltaV carrier power is active?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the unit supports hot-swappable (Removal and Insertion Under Power - RIUP) procedures on live DeltaV Series 2 carriers without interruping adjacent I\/O channel execution.\u003c\/p\u003e\n\u003cp\u003eQ: How does galvanic channel isolation protect output loop accuracy?\u003c\/p\u003e\n\u003cp\u003eA: Optical and galvanic isolation breaks physical earth loop paths between field actuators and central controller electronics, maintaining precise 4-20 mA DAC conversion under severe field ground potential variations.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrier Keying Alignment\u003c\/strong\u003e: Verify that the carrier mechanical keying pegs match the KJ3221X1-BA1 slot allocation profile prior to seating the module to avoid pin damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielded Cable Termination\u003c\/strong\u003e: Route field analog output wiring using twisted-pair shielded cables. Connect overall cable shields strictly to a single cabinet earth bus bar; keep shields isolated at the field device end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Loop Verification\u003c\/strong\u003e: Check field loop auxiliary power supply levels (24 VDC nominal) to ensure sufficient voltage headroom across connected positioners or converters during full 20 mA output conditions.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Emerson Epro","offers":[{"title":"Default Title","offer_id":45491332907123,"sku":"KJ3221X1-BA1 12P2531X082","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/KJ3004X1-BA1_2_40421f7e-24fd-4e2f-b313-b899280727f0.png?v=1789351992","url":"https:\/\/www.dcssupplier.com\/ar\/products\/emerson-kj3221x1-ba1-12p2531x082-deltav-analog-output-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}