{"product_id":"abb-1mrk000028-car01-protection-relay-display-module","title":"ABB 1MRK000028-CAr01 Protection Relay Display Module","description":"\u003cp\u003eThe \u003cstrong\u003eABB 1MRK000028-CAr01\u003c\/strong\u003e operates as a dedicated hardware component and Human-Machine Interface (HMI) display module for the ABB RED670 Line Differential Protection Relay within high-voltage substation networks. Configured for panel- or rack-mounted integration, this graphical unit provides direct physical execution by rendering real-time operational diagnostics, phase-angle vectors, and trip logs while allowing field personnel to modify protection parameters directly at the relay bay.\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\u003e1MRK000028-CAr01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden \/ Switzerland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Product Type\u003c\/td\u003e\n\u003ctd\u003eHuman-Machine Interface (HMI) Display Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTarget System Platform\u003c\/td\u003e\n\u003ctd\u003eABB RED670 Line Differential Protection Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e19.2 V DC to 30.4 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperational Power Source\u003c\/td\u003e\n\u003ctd\u003ePowered internally through the host RED670 chassis backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Power Consumption\u003c\/td\u003e\n\u003ctd\u003e1.1 W or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-25 to +70 deg C (Substation ruggedized baseline)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Tolerance\u003c\/td\u003e\n\u003ctd\u003e5% to 95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperational Altitude\u003c\/td\u003e\n\u003ctd\u003eUp to 2000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Protection\u003c\/td\u003e\n\u003ctd\u003eIP20 rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Componentry\u003c\/td\u003e\n\u003ctd\u003eGraphical LCD or multi-segment LED matrix array\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstation Protocols\u003c\/td\u003e\n\u003ctd\u003eSubnet routing compatible with IEC 61850 automation streams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSubstation Automation Networking and Local Parameterization\u003c\/h3\u003e\n\u003cp\u003eThe 1MRK000028-CAr01 synchronizes directly with the host RED670 processing engine to maintain real-time telemetry metrics, displaying line differential current values and system logic statuses without introducing frame rendering lag or clock skew. By translating multi-channel analog vector calculations into clean graphical representations, the HMI permits substation operators to evaluate three-phase line currents, calculate zone margins, and manage bay control logic on-site. The internal firmware matches the host relay’s IEC 61850 communication subroutines, enabling local parameterization changes to be mirrored smoothly down the station bus to central SCADA tracking registers.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is the 1MRK000028-CAr01 display powered during a main utility AC power disruption?\u003c\/p\u003e\n\u003cp\u003eA: The display module draws its 19.2 to 30.4 V DC input directly from the host RED670 relay backplane power rail. So long as the substation's station battery bank (uninterruptible DC supply) keeps the primary relay chassis energized, the display continues to monitor and execute control functions.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 1MRK000028-CAr01 module be swapped online while the RED670 is actively protecting a live transmission line?\u003c\/p\u003e\n\u003cp\u003eA: No. Unseating or interrupting the HMI display interface assembly during active operation can induce localized communication interruptions or configuration state faults on the host backplane. The transmission line protection functions must be placed in an un-tripped safe state or bypassed before servicing the front display layer.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45054401216627,"sku":"1MRK000028-CAr01","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-05-08_13-51-06_62dc236a-34b6-4c00-83fa-3272d3eb29d3.png?v=1780025020","url":"https:\/\/www.dcssupplier.com\/products\/abb-1mrk000028-car01-protection-relay-display-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}