{"product_id":"3500-40-125680-01-bently-nevada-proximitor-monitor-module","title":"3500\/40 125680-01  Bently Nevada Proximitor Monitor Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/40 (125680-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance four-channel monitoring module designed for the 3500 Machinery Protection System developed by Bently Nevada. This module functions as the primary processing interface for proximity transducer signals, delivering real-time measurements of radial vibration, axial thrust position, and shaft eccentricity.\u003c\/p\u003e\n\u003cp\u003eBy converting analog sensor inputs into engineering units, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/40 (125680-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as a critical protective barrier against rotor instability, mechanical fatigue, and catastrophic failure in high-speed rotating equipment. Each of the four channels can be fully configured using 3500 Rack Configuration Software, allowing engineers to define alarm and danger trip thresholds according to machine protection requirements.\u003c\/p\u003e\n\u003cp\u003eThe module incorporates onboard digital signal processing (DSP) technology to filter electrical noise and ensure only valid mechanical vibration signals activate protective logic. Continuous internal diagnostics monitor sensor loop health and internal circuitry integrity, supporting safety and reliability standards required in power generation and petrochemical industries.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e3500\/40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrdering Part Number\u003c\/td\u003e\n\u003ctd\u003e125680-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMonitor Channels\u003c\/td\u003e\n\u003ctd\u003e4 Independent Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Compatibility\u003c\/td\u003e\n\u003ctd\u003eProximitor proximity transducers; Velocity sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Types\u003c\/td\u003e\n\u003ctd\u003eRadial vibration, thrust position, eccentricity, differential expansion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±1% of full-scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e7.7 W (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e19.1 cm × 1.9 cm × 13.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.20 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/40 (125680-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis widely used in protection systems for:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSteam and gas turbines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCentrifugal compressors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge industrial pump trains\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-speed gearbox and motor drive systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is especially critical in applications where shaft-to-bearing clearance and axial displacement must be tightly controlled to prevent metal-to-metal contact or internal mechanical damage.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 125680-01 be used in a Triple Modular Redundant (TMR) rack?\u003c\/strong\u003e\u003cbr\u003eYes. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/40 (125680-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis fully compatible with TMR architectures. When installed in redundant sets of three, the system can use 2-out-of-3 voting logic for enhanced fault tolerance and safety reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module handle sensor failure?\u003c\/strong\u003e\u003cbr\u003eIf a sensor or wiring fault is detected, the module enters a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e“Not OK” diagnostic state\u003c\/strong\u003e, activating front-panel indicators and allowing the system backplane to trigger maintenance alarms while preventing false protective trips.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":48746754179324,"sku":"3500\/40 125680-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/350040_125680-011.jpg?v=1772438245","url":"https:\/\/www.electronicplc.com\/products\/3500-40-125680-01-bently-nevada-proximitor-monitor-module","provider":"Electronic PLC","version":"1.0","type":"link"}