{"product_id":"kj2221x1-ea1-emerson-deltav-electronic-marshalling-baseplate-carrier","title":"KJ2221X1-EA1 Emerson DeltaV Electronic Marshalling Baseplate Carrier","description":"\u003ch2\u003eEmerson KJ2221X1-EA1 CHARMs Baseplate Carrier Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for direct physical mounting and electrical power routing in DeltaV Electronic Marshalling platforms, the \u003cstrong\u003eEmerson KJ2221X1-EA1\u003c\/strong\u003e (\u003cstrong\u003eKJ2221X1\u003c\/strong\u003e CHARMs Baseplate Carrier) provides direct physical\/electrical execution.\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\u003eKJ2221X1-EA1\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\u003e0.25-0.30 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e107 x 41 x 105 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 Electronic Marshalling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Modules\u003c\/td\u003e\n\u003ctd\u003eCHARMs AI, AO, DI, DO, IS variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\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, FM, UKEX (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 unit accommodates direct connection for 4-20 mA HART loop protocol field devices across backplane communication paths. Internal bus geometries enforce channel-to-channel isolation and galvanic protection to prevent field surge interference from propagating to active node controllers. Thermocouple wiring across connected terminal blocks relies on internal cold junction compensation (CJC) references to maintain measurement stability during ambient thermal shifts.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the carrier handle module replacement during active process operations?\u003c\/p\u003e\n\u003cp\u003eA: The carrier internal bus architecture supports hot-swappable CHARMs insertion and removal, allowing maintenance technicians to replace individual I\/O components without removing power from adjacent channels or disturbing active LocalBus communication.\u003c\/p\u003e\n\u003cp\u003eQ: What are the backplane current limits for the LocalBus and field power distribution?\u003c\/p\u003e\n\u003cp\u003eA: The carrier routes up to 12 VDC at 150 mA for internal LocalBus logic processing, while providing a dedicated 12 VDC at 300 mA bussed field power rail and supporting 24 VDC at 32 mA per individual field circuit.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the carrier onto standard DIN rails installed within an IP54 enclosure to protect the assembly from particulate buildup and moisture.\u003c\/li\u003e\n\u003cli\u003eEstablish a low-impedance ground connection by bonding the DIN rail ground clip directly to the main cabinet instrument earth bar using braided grounding straps.\u003c\/li\u003e\n\u003cli\u003eRoute incoming 4-20 mA analog signal cables in separate raceways away from AC power lines to prevent inductive noise coupling.\u003c\/li\u003e\n\u003cli\u003eVerify mechanical keying on connected terminal blocks prior to inserting CHARMs modules to avoid improper signal assignment.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43840728006755,"sku":"KJ2221X1-EA1","price":370.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/164_b62a3008-e63d-4d4b-bc38-b367c3deee68.jpg?v=1763370288","url":"https:\/\/www.autocontrolglobal.com\/products\/kj2221x1-ea1-emerson-deltav-electronic-marshalling-baseplate-carrier","provider":"AutoControl Global","version":"1.0","type":"link"}