{"product_id":"ge-multilin-ur-9eh-central-processing-unit-module","title":"GE Multilin UR-9EH  Central Processing Unit Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eUR-9EH\u003c\/strong\u003e is a high-performance \u003cstrong\u003eCentral Processing Unit (CPU) Module\u003c\/strong\u003e engineered for the GE Vernova Multilin Universal Relay (UR) Series protection platforms. It serves as the primary computational hub of the relay, delivering the core infrastructure required to execute mathematical protective algorithms, logic gate configurations, latch controls, and sub-millisecond timing operations.\u003c\/p\u003e\n\u003cp\u003eClassified under the advanced 9E–9S series CPU architecture, the \u003cstrong\u003eUR-9EH\u003c\/strong\u003e provides a standardized pathway to upgrade or swap legacy, aging, or non-functional control cards inside existing UR-chassis systems. The module features integrated \u003cstrong\u003eEthernet Port\u003c\/strong\u003e interfaces to maintain rapid, deterministic communication across substation control levels. By natively supporting robust communication topologies alongside advanced internal diagnostic subsystems, it ensures full \u003cstrong\u003esystem compatibility\u003c\/strong\u003e with critical protective relay configurations like the B30, L90, and M60.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eResource Optimization via Server Scanning Control\u003c\/strong\u003e: Built-in \"Server Scanning\" functionality can be disabled within the firmware environment to eliminate unnecessary IEC 61850 processing overhead, maximizing CPU computing availability for core protection loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug and Play Backplane Integration\u003c\/strong\u003e: Automatically provisions baseline data parameters, core application logic, and physical communication ports immediately upon seating into the UR backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Networking Integration\u003c\/strong\u003e: Features integrated Ethernet ports supporting redundant communication topologies and high-accuracy time synchronization protocols.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Configuration Mediums\u003c\/strong\u003e: Enables full parameter modification and diagnostic tracking using either the front keypad interface or remote software environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentral processing logic upgrades for existing \u003cstrong\u003eMultilin Universal Relays\u003c\/strong\u003e (B30, L90, M60, etc.) \u003c\/li\u003e\n\u003cli\u003eSubstation automation networks utilizing IEC 61850 architectures \u003c\/li\u003e\n\u003cli\u003eReplacement of faulty or degraded control cards in mission-critical protection networks \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter PDF\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification \u0026amp; Details\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGE Vernova (Grid Solutions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCentral Processing Unit (CPU) Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eArchitecture Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9E–9S series CPU architecture \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChassis Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMultilin Universal Relay Series (e.g., B30, L90, M60)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.5\" L x 6.0\" W x 2.5\" H \u003ci\u003e(approx. 16.5 x 15.2 x 6.4 cm)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~1 lb 10 oz \u003ci\u003e(0.74 kg)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNominal 15W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10 Celsius to +55 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 Celsius to +85 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEthernet Port Integration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocols Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIEC 61850 (Ed. 1 \u0026amp; Ed. 2), SNTP, Redundant topologies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration Tools\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront Keypad\/Faceplate or EnerVista UR Setup Software\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cblockquote\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eCRITICAL REPLACEMENT RULE\u003c\/strong\u003e: General Electric dictates strict hardware generation pairing rules. A new-generation CPU module like the \u003cstrong\u003eUR-9EH\u003c\/strong\u003e must only be paired with new-generation CT\/VT modules inside the chassis. Mixing older-generation analog sensing cards with newer 9E series processors triggers immediate \u003cstrong\u003eHARDWARE MISMATCH\u003c\/strong\u003e or \u003cstrong\u003eDSP ERROR\u003c\/strong\u003e locks on the faceplate. Always verify the manufacturing age of the surviving chassis modules before seating the card.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003ePre-Installation Protocols\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully isolate the Universal Relay chassis from all high-voltage sub-transmission or distribution lines.\u003c\/li\u003e\n\u003cli\u003eDisconnect all secondary auxiliary power supply feeds.\u003c\/li\u003e\n\u003cli\u003eWear a grounded Electrostatic Discharge (ESD) wrist strap to avoid destroying internal microprocessors.\u003c\/li\u003e\n\u003cli\u003eBack up your existing relay configuration files (.urs files) via the EnerVista software through network ports if the older CPU remains partially operational.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRemoving the Defunct Module\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eUnfasten the module retaining screws located on the top and bottom exterior of the CPU slot (typically Slot F in most standard UR frameworks).\u003c\/li\u003e\n\u003cli\u003ePull the module extraction handles outward smoothly to separate the card from the backplane connectors.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eInserting the UR-9EH\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eAlign the plastic guides on the \u003cstrong\u003eUR-9EH\u003c\/strong\u003e circuit card with the open tracking grooves inside the vacant chassis slot.\u003c\/li\u003e\n\u003cli\u003eSlide the module straight into the bay until the faceplate sits completely flush with the surrounding frame.\u003c\/li\u003e\n\u003cli\u003ePush firmly on the edges to guarantee that the multi-pin rear connector is completely locked into the backplane.\u003c\/li\u003e\n\u003cli\u003eFasten and tighten the top and bottom retaining screws to secure physical ground contact. Note: CPU modules rely on standard mechanical chassis grounding and do not require independent dedicated surge ground wires.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003ePost-Installation Boot \u0026amp; Provisioning\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eApply auxiliary power back onto the UR chassis power supply module.\u003c\/li\u003e\n\u003cli\u003eObserve the self-test routing on the front panel liquid crystal display, checking that no HARDWARE MISMATCH, DSP ERROR, or WRONG TRANSCEIVER flags are thrown.\u003c\/li\u003e\n\u003cli\u003eAttach an Ethernet or serial cable to connect your PC running the EnerVista platform to upload the application-specific firmware parameters and protection profiles.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the Server Scanning feature on this module?\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003eThe integrated \"Server Scanning\" feature can be intentionally disabled inside the firmware configuration. This action frees up significant internal processor overhead for substation deployment layouts that do not utilize or require full IEC 61850 client\/server functionality, reallocating resources to other primary computations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if I pair the UR-9EH with older analog sensing cards?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Attempting to pair this 9E-series processor with legacy-generation CT\/VT sensing cards causes an immediate architecture conflict. The host relay will trigger a continuous hardware mismatch or DSP error lock on the front screen, suspending protection operations until compatible hardware generations are aligned.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this CPU module require a dedicated external grounding wire?\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003eNo, independent dedicated surge ground wires are not required for this module. The unit achieves adequate grounding entirely through mechanical chassis grounding contact points once the top and bottom faceplate retaining screws are tightened flush against the surrounding frame.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":52695415259499,"sku":"UR-9EH","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/general-electric-ur9eh-multilin-central-processing-unit-bcj5dvozr3i_80a9cb7b-1f8e-4a97-aada-8dca0f0f2138.jpg?v=1766135222","url":"https:\/\/www.plcprotech.com\/products\/ge-multilin-ur-9eh-central-processing-unit-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}