{"product_id":"ur9uh-ge-multilin-universal-relay-series-datasheet-technical-manual","title":"UR9UH GE Multilin Universal Relay Series Datasheet \u0026 Technical Manual","description":"\u003ch2\u003eGE Multilin UR9UH Universal Relay Series CPU Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGE Multilin UR9UH\u003c\/strong\u003e serves as the primary \u003cstrong\u003eUR9UH\u003c\/strong\u003e CPU Module utilized to execute specific technical tasks across GE Multilin UR Series platforms. The hardware functions as the central logic engine, executing real-time protection, control, and automation equations within a cycle response time of less than 5 ms. It processes input signals received from auxiliary chassis cards and runs user-configured control logic to generate high-speed tripping matrix outputs, while simultaneously managing data acquisition, timestamped event recording, and IEEE C37.118 synchrophasor data streams.\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\u003eUR9UH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE Multilin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA \/ Canada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.93 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.2 cm x 12.4 cm x 12.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eInternally derived via UR series backplane power rails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003eLess than 5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Communication Ports\u003c\/td\u003e\n\u003ctd\u003e10\/100 Base-T Ethernet (RJ45), RS485 serial, 100 Base-FX fiber optic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Protocols\u003c\/td\u003e\n\u003ctd\u003eIEC 61850, DNP3, Modbus, IEEE C37.118 synchrophasor\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\u003eSystem Certifications\u003c\/td\u003e\n\u003ctd\u003eIEEE 1613, IEC 60255\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe UR9UH central processor regulates internal data queues to preserve fixed backplane bus communication velocity across all active expansion slots. During high-density I\/O density scaling implementation phases, the processor dynamic allocation engine structures peripheral status packets to ensure zero-collision transmission paths. This network architecture prevents jitter when data arrays map to external Profinet or EtherNet\/IP deterministic networks via gateway links. The card uses strict microcode checksum handshakes to maintain total firmware flash compatibility, preventing execution drops during high-bandwidth telemetry conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the UR9UH CPU module be removed or hot-swapped while the transformer or generator protection loops are actively armed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: No.\u003c\/strong\u003e Removing the module breaks the internal backplane bus data lines and removes power from the primary logic engine. This action causes an immediate loss of all protective functions, clears active communication buffers, and forces a complete rack shutdown that requires a manual cold-reboot cycle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the UR9UH preserve localized disturbance captures and data sequences when an external sub-station power failure occurs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: The module writes event data directly to on-board non-volatile flash memory cells.\u003c\/strong\u003e All software code arrays, configuration settings, and structural fault records commit to physical solid-state sectors, preserving system parameters without needing internal backup batteries.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic Discharge Precautions:\u003c\/strong\u003e Ground the 0.93 kg hardware module assembly properly before insertion. Maintenance personnel must attach an ESD wrist strap connected to a verified enclosure earth ground point prior to accessing the chassis slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Insertion Controls:\u003c\/strong\u003e Line up the module circuit card edge with the guide rails inside the standard UR chassis. Push the card straight back with a single smooth motion until the multi-pin connector locks into the passive backplane receiver, then tighten the front panel retaining fasteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiber Optic Port Alignment:\u003c\/strong\u003e Clean the optical connection faces with clean fiber wipes prior to snapping the 100 Base-FX cables into place. Maintain minimum bend radius specifications for fiber optic paths to avoid signal loss or communication dropouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Path Demarcation:\u003c\/strong\u003e Route all external Ethernet, fiber, and serial communication paths through separate wire trays away from high-voltage AC current transformer secondary lines to suppress common-mode electromagnetic coupling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":43863225761891,"sku":"UR9UH","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/184_8062fce9-05fa-4e60-b068-e79be42106a9.jpg?v=1764320708","url":"https:\/\/www.autocontrolglobal.com\/products\/ur9uh-ge-multilin-universal-relay-series-datasheet-technical-manual","provider":"AutoControl Global","version":"1.0","type":"link"}