{"product_id":"ref543-abb-1mrs050496-hmi-display-replacement-module-rev-c","title":"REF543 ABB 1MRS050496 HMI Display Replacement Module Rev.C","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB REF543 (Part Number: 1MRS050496)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the central Human-Machine Interface (HMI) and display module for the REF 543 Feeder Terminal series. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRev.C unit provides the critical visual interface and local control gateway for medium-voltage distribution networks. It handles complex feeder protection tasks, including overcurrent, earth fault, and thermal overload monitoring. Beyond simple protection, the REF543 display module enables direct manual control of circuit breakers and disconnectors, functioning as a localized command center for modern digital substations.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Detail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eREF543 (Display Module)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1MRS050496\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRevision\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRev.C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eABB Relion® \/ Medium-Voltage Networks\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Functions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDirectional Earth Fault, Overcurrent, Thermal Overload\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eControl Capabilities\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCircuit Breaker \u0026amp; Disconnector Control\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIEC 61850, Modbus, DNP3, SPA Bus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24–250 V AC\/DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRecording Functions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDisturbance Recorder, Fault Logs, SOE\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 °C to +70 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Style\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntegrated Panel Mounting\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Programmable Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe REF543 platform utilizes programmable logic to customize control sequences. Engineers can automate circuit breaker interlocks and disconnector operations directly within the terminal, reducing the need for external PLC hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Fidelity Event Recording:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module captures high-resolution disturbance records and Sequence of Events (SOE) logs. This data allows for rapid post-fault analysis, helping technical teams pinpoint the exact millisecond of a failure to minimize downtime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Substation Readiness:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy supporting the IEC 61850 protocol, the 1MRS050496 integrates seamlessly into Ethernet-based substation automation. This allows for peer-to-peer communication (GOOSE messaging) between terminals for faster protection coordination.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust HMI Hardware:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe Rev.C hardware features an optimized display designed for high-contrast visibility in industrial switchgear environments. It withstands electromagnetic interference (EMI) and harsh temperature fluctuations without losing pixel integrity or response speed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Maintenance Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt-in self-supervision constantly monitors internal circuitry. If the module detects a hardware anomaly, it triggers an alarm immediately, preventing \"silent failures\" in the protection chain.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the Rev.C module backward compatible with Rev.A or Rev.B terminals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the Rev.C display module (1MRS050496) maintains backward compatibility with older REF543 terminal frames. However, you must update the terminal firmware using ABB PCM600 to ensure all new HMI features and diagnostic protocols sync correctly with the older base hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I configure the binary I\/O directly from the display?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile basic monitoring is available via the HMI, you must use ABB PCM600 software for full parameterization and logic mapping. The display serves as the operational interface, while PCM600 handles the underlying engineering configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module include the internal analog processing cards?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the 1MRS050496 is the front-facing display and HMI module. It interfaces with the internal analog input modules and power supply units located within the REF543 terminal chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the recommended storage procedure for spare modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eKeep the module in its original anti-static packaging in a climate-controlled environment (-40 °C to +85 °C). This protects the LCD components and internal capacitors from moisture and electrostatic discharge.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44172436045923,"sku":"REF543","price":520.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/489._a44d509e-435f-4d76-ad17-5c05f378b714.jpg?v=1778558001","url":"https:\/\/www.autocontrolglobal.com\/products\/ref543-abb-1mrs050496-hmi-display-replacement-module-rev-c","provider":"AutoControl Global","version":"1.0","type":"link"}