{"product_id":"3500-34-bently-nevada-3500-series-tmr-relay-module","title":"3500\/34 Bently Nevada 3500 Series TMR Relay Module","description":"\u003ch3\u003e\n\u003cspan style=\"color: rgb(185, 28, 28);\"\u003eGlobal PLC Spare HUB Review\u003c\/span\u003e:\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #1d4ed8; font-weight: bold;\"\u003eBently Nevada 3500\/34\u003c\/span\u003e TMR Relay Module delivers mission-critical machinery protection by integrating triple-modular redundant relay voting architectures. In high-stakes industrial turbine control environments, a single false trip causes catastrophic downtime, while a missed alarm threatens asset integrity. This \u003cspan style=\"color: #b91c1c; font-weight: bold;\"\u003e3500 Series\u003c\/span\u003e module eliminates single points of failure through parallel processing paths and hardware-based voting logic. Engineers rely on this hardware to ensure reliable alarm annunciation and machinery shutdown sequences across large-scale rotating equipment.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eCore Functional Architecture\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eRedundant Processing Logic\u003c\/b\u003e: Two physical \u003cspan style=\"color: #1d4ed8; font-weight: bold;\"\u003e3500\/34\u003c\/span\u003e modules operate in parallel, executing identical alarm drive logic simultaneously to maximize operational availability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTriple-Modular Redundancy Voting\u003c\/b\u003e: The associated I\/O module incorporates twelve internal relays arranged in four distinct channel groups, executing a strict 2-out-of-3 voting scheme.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIndependent Path Evaluation\u003c\/b\u003e: The \u003cspan style=\"color: #1d4ed8; font-weight: bold;\"\u003e3500\/34\u003c\/span\u003e independently evaluates three separate monitor data paths, immediately invalidating alarm signals if an associated rack channel status registers as not-ok.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eBrand\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cspan style=\"color: #b91c1c; font-weight: bold;\"\u003eBently Nevada\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eModel \/ Series\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\n\u003cspan style=\"color: #1d4ed8; font-weight: bold;\"\u003e3500\/34\u003c\/span\u003e \/ \u003cspan style=\"color: #b91c1c; font-weight: bold;\"\u003e3500 Series\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eModule Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\n\u003cb\u003eTMR Relay Module\u003c\/b\u003e and \u003cb\u003eTMR Relay I\/O Module\u003c\/b\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003ePower Consumption\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003e9.6 Watts typical\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eRelay Configuration\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eThree double-pole double-throw DPDT relays in SPST configuration\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eContact Ratings\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eResistive load: max dc 60 W, max ac 125 VA, max switched current 2 A\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eOperating Temperature\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003e-30 °C to +65 °C (-22 °F to +150 °F)\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eStorage Temperature\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003e-40 °C to +85 °C (-40 °F to +185 °F)\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eHumidity Limits\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003e95 percent non-condensing\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003ePhysical Dimensions\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eRelay Module: 120.4 mm x 24.6 mm x 241.8 mm\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eModule Weight\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u003cb\u003eRelay Module: 0.34 kg, I\/O Module: 0.5 kg\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cb\u003eInstallation and Rack Guidelines\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSlot Allocation\u003c\/b\u003e: Requires exactly one half-height front slot for the \u003cspan style=\"color: #1d4ed8; font-weight: bold;\"\u003e3500\/34\u003c\/span\u003e relay module and one full-height rear slot for the matching I\/O module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting Protocol\u003c\/b\u003e: Securely insert the modules into standard \u003cspan style=\"color: #b91c1c; font-weight: bold;\"\u003eBently Nevada 3500\u003c\/span\u003e rack chassis backplanes while ensuring proper alignment of multi-pin connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWiring Termination\u003c\/b\u003e: Connect field alarm wiring directly to the rear I\/O module terminal blocks using recommended wire gauges for low-resistance signal paths.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eCompatibility, Standards, and Certifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSystem Compatibility\u003c\/b\u003e: Fully engineered for integration exclusively within \u003cspan style=\"color: #b91c1c; font-weight: bold;\"\u003eBently Nevada 3500\u003c\/span\u003e rack monitoring systems and configuration software environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eElectromagnetic Compliance\u003c\/b\u003e: Complies with \u003cb\u003eEN50081-2\u003c\/b\u003e radiated and conducted emissions standards alongside \u003cb\u003eEN50082-2\u003c\/b\u003e susceptibility requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHazardous Area Rating\u003c\/b\u003e: Certified under \u003cb\u003eCSA\/NRTL\/C Option 01\u003c\/b\u003e for use in \u003cb\u003eClass I Division 2 Groups A, B, C, D\u003c\/b\u003e hazardous locations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eOperational Diagnostics and Maintenance\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eStatus Indicators\u003c\/b\u003e: Six front-panel LEDs communicate operational health, including dedicated \u003cb\u003eOK LED\u003c\/b\u003e, \u003cb\u003eTX\/RX LED\u003c\/b\u003e, and individual \u003cb\u003eCH ALARM LEDs\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLive Health Monitoring\u003c\/b\u003e: Continuous microprocessor self-checks verify internal communications and alert operators instantly via rack bus fault reporting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaintenance Advantage\u003c\/b\u003e: Hot-swappable design permits module replacement during active plant operation without interrupting surrounding rack monitor channels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eLogistics, Packaging, and Warranty\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFulfillment Speed\u003c\/b\u003e: Guaranteed dispatch within \u003cb\u003e24-48 hours\u003c\/b\u003e from order confirmation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGlobal Shipping\u003c\/b\u003e: Reliable logistics transit handled via \u003cb\u003eFedEx\u003c\/b\u003e, \u003cb\u003eUPS\u003c\/b\u003e, and \u003cb\u003eDHL\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePackage Contents\u003c\/b\u003e: Includes one \u003cspan style=\"color: #1d4ed8; font-weight: bold;\"\u003e3500\/34\u003c\/span\u003e relay module, one matching rear I\/O module, and standard factory compliance documentation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuality Guarantee\u003c\/b\u003e: Backed by a comprehensive \u003cb\u003e12-month warranty\u003c\/b\u003e covering structural and operational integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eTypical Application Scenarios\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSteam Turbine Protection\u003c\/b\u003e: Automatically trips emergency shutdown valves when overspeed or excessive vibration monitors register dual-channel danger states.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Compressor Monitoring\u003c\/b\u003e: Manages critical alarm annunciation arrays across multi-stage compressor skids in petrochemical processing plants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHydroelectric Generator Safeguards\u003c\/b\u003e: Interfaces protection logic directly with plant control systems to isolate heavy rotating assets safely under fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eWhat causes the OK LED on the 3500\/34 module to turn off?\u003c\/b\u003e\u003cbr\u003eField experience shows that an extinguished OK LED indicates an internal module fault, power supply failure, or rack communication breakdown. Verify rack backplane seating and check system event lists using configuration software.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHow does the 2-out-of-3 voting logic prevent nuisance trips?\u003c\/b\u003e\u003cbr\u003eField engineering practice demonstrates that requiring at least two out of three independent monitor channels to agree on an alarm state stops single-sensor failures from shutting down machinery unnecessarily.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCan arc suppressors be installed on the relay contacts?\u003c\/b\u003e\u003cbr\u003eFactory design specifications state that arc suppressors are not supported natively on this specific model hardware. External suppression circuits must be applied externally if heavy inductive loads are driven.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHow should spare modules be stored in plant warehouses?\u003c\/b\u003e\u003cbr\u003eStore units within their specified temperature boundaries of \u003cb\u003e-40 °C to +85 °C\u003c\/b\u003e inside anti-static packaging away from high-humidity and corrosive industrial atmospheres.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013969862838,"sku":"3500\/34","price":185.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/3500-34_4ab8c491-dfdf-489d-a635-5dd85ed16c83.jpg?v=1785909230","url":"https:\/\/www.plcsparehub.com\/products\/3500-34-bently-nevada-3500-series-tmr-relay-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}