{"product_id":"ge-multilin-ur81h-ur-81h-process-bus-module","title":"GE Multilin UR81H UR 81H Process Bus Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe GE Multilin UR81H is a process bus module for the Universal Relay (UR) series. It accurately acquires analog signals from CTs and VTs or digital streams from IEC 61850 process bus networks. Therefore, it supports advanced protection, control, and metering applications in industrial and utility environments. Its modular, hot-swappable design ensures minimal downtime during maintenance or system upgrades.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eProvides precise CT\/VT measurement for reliable protection and metering functions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports IEC 61850 Edition 2 digital substation integration with 8-port connectivity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHot-swappable design allows maintenance without interrupting critical system operations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCyberSentry™ cybersecurity features align with NERC CIP standards for secure operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIEEE 1588 time synchronization ensures accurate event recording and data logging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModular architecture enhances system flexibility and simplifies future expansions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports redundant communication to improve overall substation reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Inputs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eCT inputs: 1 A or 5 A secondary rating, configurable per system requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVT inputs: Standard voltage measurement ranges\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDigital Input: IEC 61850 process bus streams (8-port module)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication \u0026amp; Protocols:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eIEC 61850 Edition 2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePRP redundancy support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCybersecurity \u0026amp; Time Sync:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eCyberSentry™ features for NERC CIP compliance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIEEE 1588 precision time protocol\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Physical Data:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eModular, hot-swappable UR chassis design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeight: 0.6 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications \u0026amp; System Integration\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eIntegration within the UR family for generator, transformer, motor, breaker, and feeder protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAnalog signal acquisition from CTs\/VTs for metering, protection, and automation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDigital substation process bus integration for modern IEC 61850-based networks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for industrial, utility, and high-reliability power system environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can UR81H operate with both analog and digital signals simultaneously?\u003c\/strong\u003e\u003cbr\u003eA1: UR81H supports either CT\/VT analog inputs or IEC 61850 digital streams, depending on configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Is the module hot-swappable in the UR chassis?\u003c\/strong\u003e\u003cbr\u003eA2: Yes, UR81H features a modular, hot-swappable design for maintenance without downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Does UR81H support cybersecurity standards?\u003c\/strong\u003e\u003cbr\u003eA3: Yes, CyberSentry™ compliance aligns with NERC CIP for secure system operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Which protocols are supported for communication?\u003c\/strong\u003e\u003cbr\u003eA4: The module supports IEC 61850 Edition 2 and PRP redundancy for reliable networking.\u003c\/p\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":42600104820826,"sku":"UR81H","price":261.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/UR9TH2.jpg?v=1764230173","url":"https:\/\/www.plcmasters.com\/uk\/products\/ge-multilin-ur81h-ur-81h-process-bus-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}