{"product_id":"abb-ref542-plus-ref-protection-relays","title":"ABB REF542 PLUS REF Protection Relays","description":"\u003cp\u003eConfigured for digital bay control and feeder protection execution in medium-voltage power networks, the \u003cstrong\u003eABB REF542 plus\u003c\/strong\u003e (\u003cstrong\u003eREF542 plus\u003c\/strong\u003e Feeder Terminal) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCode Segment\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\u003eREF542 plus\u003c\/td\u003e\n\u003ctd\u003eModular digital bay control and protection terminal platform (discontinued product line since 2020)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eREF542 plus\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\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5 Kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard modular bay control enclosure profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial substation range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eDependent on auxiliary power supply and I\/O module configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane and Network Communication Architecture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane bus communication velocity Licences\u003c\/strong\u003e: Internal bus architecture manages high-speed data exchanges across modular processing and I\/O cards to ensure rapid bay control execution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfinet \/ EtherNet\/IP deterministic networks\u003c\/strong\u003e: Communication options support structured substation communication frameworks for supervisory control and data acquisition integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O density scaling\u003c\/strong\u003e: The modular design allows custom configuration of hardware and software options to support feeder, transformer, and motor protection schemes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware flash compatibility\u003c\/strong\u003e: Non-volatile memory stores project-related function plan (FUPLA) logic and configuration profiles, enabling reproducible software uploads and downloads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is this feeder terminal currently active in the manufacturer product portfolio?\u003c\/p\u003e\n\u003cp\u003eA: No. The REF542plus digital bay control technology solution has been classified as a non-active product by ABB since 2020, with reliance on legacy support and spare parts inventory.\u003c\/p\u003e\n\u003cp\u003eQ: How is logic programming and functional configuration implemented on this terminal?\u003c\/p\u003e\n\u003cp\u003eA: System customization and logic development are executed utilizing function plan (FUPLA) programming software, allowing users to create, verify, upload, and download application-specific control schemes.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the terminal enclosure securely into the designated cutout on the medium-voltage switchgear panel, ensuring proper structural support for the 5 Kg assembly and adequate ventilation clearances.\u003c\/li\u003e\n\u003cli\u003eTerminate current, voltage, auxiliary power, and binary I\/O wiring to the correct rear terminal blocks, verifying torque and signal integrity prior to energization.\u003c\/li\u003e\n\u003cli\u003eRoute low-level communication and FUPLA programming cables separately from high-voltage primary conductors and switching power paths to mitigate electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eEnsure that the unit functional earth terminal is securely bonded to the switchgear ground bus using a low-impedance conductor to maintain electrical safety and noise immunity.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45275584266355,"sku":"REF 542PLUS","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/REF542plus_7a679a72-06a8-4ab4-891e-8e55ec908ed6.png?v=1784776939","url":"https:\/\/www.dcssupplier.com\/products\/abb-ref542-plus-ref-protection-relays","provider":"DcsSupplier Limited","version":"1.0","type":"link"}