{"product_id":"ur8nv-ge-multilin-analog-input-module-new-stock","title":"UR8NV GE Multilin Analog Input Module | New Stock","description":"\u003ch2\u003eGE Multilin UR8NV Universal Relay Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for current transformer and voltage transformer signal acquisition in Universal Relay (UR) series chassis, the \u003cstrong\u003eGE Multilin UR8NV\u003c\/strong\u003e (\u003cstrong\u003eUR8NV\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution.\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\u003eUR8NV\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Input Module (AC Measurement Card)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eGE Multilin UR Series (Universal Relays)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Inputs\u003c\/td\u003e\n\u003ctd\u003e8 CT (Current Transformer) channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Inputs\u003c\/td\u003e\n\u003ctd\u003eIntegrated VT (Voltage Transformer) interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003eProtection-grade performance; +-0.2% for metering variables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eHigh-level galvanic isolation between input terminals and CPU\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\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.60 kg (600 g)\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 UR8NV expands the analog I\/O density scaling of protective relay structures by routing 8 high-bandwidth current transformer waves and voltage reference vectors directly into the UR platform logic bus. Onboard hardware digitizers process the incoming waveforms simultaneously, eliminating phase skew or sampling delays. Robust galvanic isolation boundaries separate the analog field inputs from the core backplane logic lines to intercept high-voltage power system surges. Once processed by the internal bus interface, the waveform metrics feed directly into Profinet or EtherNet\/IP deterministic networks via the chassis central routing cards, allowing sub-cycle fault visualization and real-time phase metering down utility SCADA channels.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What protective safety restrictions apply to the UR8NV analog input terminals during active switchgear operation?\u003c\/p\u003e\n\u003cp\u003eA: The external secondary circuits of all connected current transformers must never be disconnected or left open-circuit while the primary power conductor is energized. Breaking an active secondary current circuit creates inductive voltage saturation across the terminal paths, presenting a lethal safety risk and destroying internal monitoring chips.\u003c\/p\u003e\n\u003cp\u003eQ: How does the integrated channel health monitoring logic prevent false protection-grade tripping actions?\u003c\/p\u003e\n\u003cp\u003eA: The UR8NV runs enhanced continuous diagnostic algorithms that monitor signal balance and check the electrical continuity of the CT\/VT wire paths. If an open loop or hardware asymmetry is detected, the internal logic instantly blocks dependent overcurrent or differential trip commands and sets a channel fault alarm.\u003c\/p\u003e\n\u003cp\u003eQ: Can the UR8NV module handle both single-ended and differential instrumentation topologies within the same module layout?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The internal hardware termination arrays are configurable through the UR platform engineering environment to support both single-ended references and differential current measurement topologies to accommodate standard protection matrices.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Slot Traking and Mechanical Seating:\u003c\/strong\u003e Insert the vertical board edges of the UR8NV card smoothly into the designated slot tracks of the UR enclosure. Push the card home until the high-density backplane pins seat completely, then secure all front plate retaining screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCT\/VT Ring Lug Termination Compliance:\u003c\/strong\u003e Secure all external analog input wires using high-grade insulated ring lugs sized appropriately for the terminal block screws. Torque down all terminal nuts completely to minimize contact resistance in the measurement circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstrumentation Cable Shield Grounding:\u003c\/strong\u003e Route all CT and VT secondary wiring inside dedicated twisted-pair cables wrapped in a continuous copper shield braid. Terminate the shield braid strands only at the central cubicle earth ground bar to avoid creating ground loop paths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvective Thermal Boundaries:\u003c\/strong\u003e Verify that neighboring panel ventilation ports are free from dust or physical restrictions. Maintain steady cabinet internal air movement to ensure the surrounding micro-climate stays within the specified -40 to +70 deg C operational limits.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE Fanuc","offers":[{"title":"Default Title","offer_id":43863243554915,"sku":"UR8NV","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/70_edb95858-2ac1-452f-b30c-61d0ee53d641.jpg?v=1764323631","url":"https:\/\/www.autocontrolglobal.com\/products\/ur8nv-ge-multilin-analog-input-module-new-stock","provider":"AutoControl Global","version":"1.0","type":"link"}