{"product_id":"kj2221x1-ea1-emerson-deltav-sisnet-repeater-carrier","title":"KJ2221X1-EA1 | Emerson DeltaV SISNet Repeater Carrier","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEmerson KJ2221X1-EA1\u003c\/strong\u003e serves as a \u003cstrong\u003eSISNet Repeater Carrier\u003c\/strong\u003e within the DeltaV™ distributed control system. It is also commonly associated with the \u003cstrong\u003eMQ Controller\u003c\/strong\u003e platform, acting as the physical carrier\/base that enables stable signal transmission and deterministic control logic execution for safety and automation networks.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Emerson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e KJ2221X1-EA1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso Known As:\u003c\/strong\u003e 12P3241X012\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e SISNet Repeater Carrier \/ MQ Controller Base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocal Bus Power:\u003c\/strong\u003e 12.6 VDC at 8 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectors:\u003c\/strong\u003e One 3×16 Female Connector; One 3×16 Male Connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.45 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental \u0026amp; Safety Ratings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e −40 °C to +70 °C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShock:\u003c\/strong\u003e 10 g, ½ sine wave for 11 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration:\u003c\/strong\u003e 1 mm p-p (2–13.2 Hz); 0.7 g (13.2–150 Hz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Humidity:\u003c\/strong\u003e 5 % – 95 % non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirborne Contaminants:\u003c\/strong\u003e ISA-S71.04-1985 Class G3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP Rating:\u003c\/strong\u003e IP20\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRepeater functionality extends SISNet communication reach\u003c\/li\u003e\n\u003cli\u003e3×16 connectors provide robust backplane interfacing\u003c\/li\u003e\n\u003cli\u003eRugged design for continuous operation in demanding process environments\u003c\/li\u003e\n\u003cli\u003eCompatible with DeltaV M-Series hardware and safety instrumented systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this a controller or just a carrier?\u003c\/strong\u003e\u003cbr\u003eA: The KJ2221X1-EA1 is physically a \u003cstrong\u003eSISNet Repeater Carrier\u003c\/strong\u003e. It is frequently used as the mounting base for the MQ Controller module in DeltaV safety architectures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this with power on?\u003c\/strong\u003e\u003cbr\u003eA: No. De-energize the LocalBus and field power before removing or inserting the carrier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the 3×16 connector interface with?\u003c\/strong\u003e\u003cbr\u003eA: The male\/female 3×16 connectors mate with corresponding backplane or interconnect cables within the DeltaV chassis assembly.\u003c\/p\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the carrier on a T-type DIN rail or in the designated DeltaV chassis slot.\u003c\/li\u003e\n\u003cli\u003eAlign the 3×16 male and female connectors with the mating backplane headers.\u003c\/li\u003e\n\u003cli\u003ePress firmly until fully seated and verify mechanical retention.\u003c\/li\u003e\n\u003cli\u003eApply power only after all connections are confirmed secure.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrder KJ2221X1-EA1 when expanding or repairing a DeltaV SISNet repeater segment.\u003c\/li\u003e\n\u003cli\u003eVerify chassis\/backplane compatibility for 3×16 connector pitch.\u003c\/li\u003e\n\u003cli\u003eConfirm whether your application requires the MQ Controller module to be mounted on this carrier.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":53852225798328,"sku":"KJ2221X1-EA1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/KJ2221X1-EA1.png?v=1785734930","url":"https:\/\/www.globalpetroparts.com\/products\/kj2221x1-ea1-emerson-deltav-sisnet-repeater-carrier","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}