{"product_id":"16-channel-analog-input-module-emerson-deltav-kj3221x1-ba2","title":"16-Channel Analog Input Module | Emerson DeltaV KJ3221X1-BA2","description":"\u003ch2\u003eEmerson KJ3221X1-BA2 DeltaV 16-Channel Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEmerson KJ3221X1-BA2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eKJ3221X1\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for 16-channel analog signal acquisition and digital conversion 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\u003eKJ3221X1-BA2\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\u003e0.18-0.20 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e51 x 102 x 102 mm\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 at 150 mA (LocalBus), 12 VDC at 300 mA (Bussed Field Power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eEmerson DeltaV DCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated analog inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA current input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit analog-to-digital conversion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHART Support\u003c\/td\u003e\n\u003ctd\u003ePass-through, point-to-point only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Circuit Rating\u003c\/td\u003e\n\u003ctd\u003e24 VDC at 32 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAirborne Contaminants\u003c\/td\u003e\n\u003ctd\u003eISA-S71.04 Class G3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock Resistance\u003c\/td\u003e\n\u003ctd\u003e10 g half-sine wave for 11 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd\u003e1 mm peak-to-peak (2-13.2 Hz), 0.7 g (13.2-150 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UL, ATEX, IECEx (Zone 2 \/ Class I Div. 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and Signal Isolation Features\u003c\/h3\u003e\n\u003cp\u003eThe module handles standard 4-20 mA HART loop protocol communications via point-to-point pass-through for online device diagnostics and configuration parameters. Internal galvanic isolation barriers decouple each of the 16 channels from backplane processing loops, mitigating ground loops and transient spikes across distributed field wiring. Integrated compensation networks provide precise analog-to-digital conversion stability even under fluctuating ambient operating temperatures across hazardous area enclosures.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What HART communication modes does the KJ3221X1-BA2 module support?\u003c\/p\u003e\n\u003cp\u003eA: The module supports point-to-point HART pass-through, enabling connected DeltaV diagnostic software to read field device parameters without disrupting 4-20 mA process variable acquisition.\u003c\/p\u003e\n\u003cp\u003eQ: What are the primary electrical power requirements drawn from the backplane carrier?\u003c\/p\u003e\n\u003cp\u003eA: The module draws 12 VDC at 150 mA from the internal LocalBus power supply for onboard logic, while drawing 12 VDC at 300 mA from the bussed field power supply and managing 24 VDC at 32 mA across field circuits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the module onto the dedicated DeltaV I\/O carrier slot, ensuring the backplane connector pins align before applying seating pressure.\u003c\/li\u003e\n\u003cli\u003eMaintain proper cable shield termination by grounding instrument shields at the field wiring terminal blocks connected to the system instrument earth bar.\u003c\/li\u003e\n\u003cli\u003eKeep field signal lines carrying 4-20 mA loops separate from high-voltage AC distribution power cables within panel wiring raceways.\u003c\/li\u003e\n\u003cli\u003eVerify environmental cabinet sealing to ensure ambient conditions remain within the IP20 and ISA-S71.04 Class G3 operational limits.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43840737804387,"sku":"KJ3221X1-BA2","price":370.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/165_126031da-9eb8-470f-a292-7d94a6786674.jpg?v=1763371259","url":"https:\/\/www.autocontrolglobal.com\/products\/16-channel-analog-input-module-emerson-deltav-kj3221x1-ba2","provider":"AutoControl Global","version":"1.0","type":"link"}