{"product_id":"emerson-kj3221x1-bk1-ao-8-channel-4-20ma-hart-card","title":"Emerson KJ3221X1-BK1 AO 8-Channel 4-20MA HART Card","description":"\u003cp\u003eThe \u003cstrong\u003eEmerson KJ3221X1-BK1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eKJ3221X1-BK1\u003c\/strong\u003e AO 8-Channel 4-20MA HART Card, operates as a dedicated hardware component for analog output control within DeltaV distributed control networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eKJ3221X1-BK1\u003c\/strong\u003e: Complete base assembly including standard coating and terminal block configuration for 8-channel analog output operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12P4704X032\u003c\/strong\u003e: Manufacturing part number and revision identifier associated with the printed circuit board assembly.\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-BK1\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\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.55 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard DeltaV card form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5.0 W max from backplane\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\u003eDesigned for high-density process control architectures, the module executes precision analog output control while maintaining rigorous channel-to-channel isolation. The circuitry interfaces directly with field actuators via a 4-20 mA HART loop protocol, enabling simultaneous digital communication and analog signal transmission for advanced valve and actuator diagnostics. Integrated loop monitoring safeguards against open-loop faults, while galvanic isolation barriers prevent ground loops across distributed node clusters in industrial environments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the KJ3221X1-BK1 support online replacement and hot-swapping?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The module supports hot-swapping within DeltaV redundant carrier architectures, allowing replacement under power without interrupting adjacent control loops.\u003c\/p\u003e\n\u003cp\u003eQ: How is galvanic isolation managed across the analog output channels?\u003c\/p\u003e\n\u003cp\u003eA: The module incorporates optical and magnetic isolation barriers between the field side and system logic, providing robust protection against high common-mode voltage transients.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eVerify that the corresponding slot on the DeltaV I\/O carrier is cleared of debris and properly grounded.\u003c\/li\u003e\n\u003cli\u003eAlign the module keying pins with the carrier slot to prevent incorrect insertion.\u003c\/li\u003e\n\u003cli\u003ePush the module firmly into the carrier until the backplane connectors fully engage.\u003c\/li\u003e\n\u003cli\u003eSecure the module using the integrated retention screws to withstand industrial vibration profiles.\u003c\/li\u003e\n\u003cli\u003eConnect field wiring to the designated terminal block, ensuring proper shield termination to mitigate electromagnetic interference.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":48702132519102,"sku":"KJ3221X1-BK1","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/KJ3208X1-BA1_42bcc0b6-0c85-44d5-a539-ac83166a21d8.png?v=1786516066","url":"https:\/\/www.autooiltech.com\/products\/emerson-kj3221x1-bk1-ao-8-channel-4-20ma-hart-card","provider":"AutoOilTech Limited","version":"1.0","type":"link"}