{"product_id":"3500-25-149369-01-bently-nevada-enhanced-keyphasor-module","title":"3500\/25 149369-01 Bently Nevada Enhanced Keyphasor Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e3500\/25 149369-01\u003c\/span\u003e\u003c\/strong\u003e is an advanced \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eEnhanced Keyphasor Module\u003c\/span\u003e\u003c\/strong\u003e engineered by \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eBently Nevada\u003c\/span\u003e\u003c\/strong\u003e for the industry-standard \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e3500 Series\u003c\/span\u003e\u003c\/strong\u003e machinery protection framework. This high-integrity module processes pulse signals from proximity probes or magnetic pickups, supplying essential speed, frequency, and phase reference data to rack monitors for precise vector calculations and vibration analysis.\u003c\/p\u003e\n\n\u003ch3\u003eConfiguration Breakdown \u0026amp; Suffix Codes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBase Part Number:\u003c\/strong\u003e \u003cspan style=\"color: #0056b3;\"\u003e3500\/25\u003c\/span\u003e Enhanced Keyphasor Module System\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFactory Identifier (149369-01):\u003c\/strong\u003e Standard electronic main board configuration with firmware release optimized for dual-channel processing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Capacity:\u003c\/strong\u003e Accepts up to two independent transducer channels per module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e Low-profile 3.2 Watts typical operational load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cspan style=\"color: #0056b3;\"\u003eBently Nevada\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e \u003cspan style=\"color: #0056b3;\"\u003e3500\/25 149369-01\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Series:\u003c\/strong\u003e \u003cspan style=\"color: #0056b3;\"\u003e3500 Series Rack Infrastructure\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Signal Range:\u003c\/strong\u003e +0.8 V to -21.0 V (Non-Isolated I\/O) or +5 V to -11 V (Isolated I\/O)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e 21.8 kOhm minimum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeed\/Frequency Range:\u003c\/strong\u003e Input from 1 to 1,200,000 cpm (0.017 to 20 kHz); Output from 1 to 99,999 cpm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrigger Thresholds:\u003c\/strong\u003e Auto threshold (min 2 Vpp, 120 rpm) or User-selectable manual threshold (0 to -20 Vdc)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Hysteresis:\u003c\/strong\u003e Adjustable from 0.2 to 2.5 Volts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransducer Supply:\u003c\/strong\u003e -24 Vdc, 40 mA maximum output per channel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuffered Outputs:\u003c\/strong\u003e Front panel coaxial connectors and rear Euro-style connectors (504 Ohm max impedance)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental Limits:\u003c\/strong\u003e -30°C to +65°C operating temperature (non-barrier I\/O); 95 percent non-condensing humidity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhysical Dimensions:\u003c\/strong\u003e 119.9 mm x 24.4 mm x 256.5 mm (4.72 in x 0.96 in x 10.10 in)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackaging List \u0026amp; Commercial Terms\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e3500\/25 149369-01\u003c\/span\u003e\u003c\/strong\u003e Enhanced Keyphasor Module unit\u003c\/li\u003e\n  \u003cli\u003eFactory calibration and hardware compliance paperwork\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Comprehensive 12-month factory coverage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFulfillment:\u003c\/strong\u003e Rapid global shipping via FedEx, UPS, and DHL within 24-48 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTarget Machinery \u0026amp; Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCritical steam turbine generators requiring precise phase angle tracking for synchronous balancing.\u003c\/li\u003e\n  \u003cli\u003eLarge multi-stage centrifugal and axial gas compressors.\u003c\/li\u003e\n  \u003cli\u003eIndustrial heavy-duty process pumps and motor-driven gearboxes.\u003c\/li\u003e\n  \u003cli\u003eTurbomachinery trains utilizing shaft notch keyways or once-per-revolution phase markers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDiagnostic Capability\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFront-panel OK LED continuously monitors internal module health and flags sensor faults instantly.\u003c\/li\u003e\n  \u003cli\u003eTX\/RX communication LED confirms real-time data packets passing to the Rack Interface Module (RIM).\u003c\/li\u003e\n  \u003cli\u003eBuffered signal outputs allow field engineers to plug portable oscilloscopes directly into the rack for raw waveform verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eWhen deploying the \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003e3500\/25 149369-01\u003c\/span\u003e\u003c\/strong\u003e in high-noise electrical enclosures, instrument techs must ensure that shield drain wires are terminated strictly at the designated rack grounding pins. Failure to isolate signal shields can introduce electromagnetic noise, causing false pulse triggering and erratic phase vector readouts on machinery vibration displays.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: What is the minimum shaft speed required when using passive magnetic pickups?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Passive magnetic pickups require a minimum shaft rotational speed greater than 200 rpm (3.3 Hz) to generate sufficient voltage amplitude for reliable triggering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: Can I adjust the trigger threshold manually for slow-speed shafts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Yes, manual threshold configuration allows user-selectable voltage settings from 0 to -20 Vdc, supporting inputs down to 0.017 Hz (1 rpm).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: How do buffered Keyphasor outputs assist in troubleshooting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: They provide unprocessed raw AC signals at the front and rear connectors, enabling engineers to connect vibration analyzers and inspect pulse quality without disturbing loop wiring.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: What operational temperature limits apply when using internal barrier I\/O modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: When paired with an Internal Barrier I\/O module, the acceptable operating temperature range narrows from 0°C to +65°C.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: What causes the OK LED indicator to trip?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: The OK LED illuminates or flashes whenever an internal hardware failure, power rail drop, or transducer open-circuit condition is detected within the module channel.\u003c\/p\u003e\n\n\u003ch3\u003eBuying Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify whether your installation requires isolated or non-isolated I\/O modules to match existing rack backplane wiring.\u003c\/li\u003e\n  \u003cli\u003eConfirm that your proximity probe or magnetic pickup power requirements align with the module's -24 Vdc supply limit.\u003c\/li\u003e\n  \u003cli\u003eSelect expedited courier services like DHL or FedEx to prevent critical outage delays during scheduled plant maintenance windows.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":45013969666230,"sku":"149369-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/3500-25.jpg?v=1786431036","url":"https:\/\/www.plcsparehub.com\/products\/3500-25-149369-01-bently-nevada-enhanced-keyphasor-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}