{"product_id":"bently-nevada-3500-42-proximitor®-seismic-monitor-module","title":"Module de surveillance sismique Proximitor® Bently Nevada 3500\/42","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e3500\/42\u003c\/strong\u003e is a four-channel machinery protection card designed for the \u003cstrong\u003eBently Nevada 3500\u003c\/strong\u003e series machinery protection system, providing continuous tracking of machinery vibration and displacement. This continuous-monitoring processing module accepts electrical signals from proximity sensors, velocity sensors, or accelerometers. The \u003cstrong\u003e3500\/42\u003c\/strong\u003e filters and scales these raw transducer waves into standard engineering variables, evaluating real-time operational health parameters such as radial shaft vibration, axial thrust position, eccentricity, acceleration, velocity, and differential expansion.\u003c\/p\u003e\n\u003cp\u003eOperating within a 3500 rack assembly, the module cross-references every active measurement channel against hardware-configured alert and danger setpoints. When programmed parameters exceed normal thresholds, the board drives immediate alarm signals over the rack backplane to trigger automatic interlock and equipment trip commands, independent of peripheral workstation software. The device layout includes individual channel pairing configurations and independent proportional recorder output loops to interface with plant management systems and external historians.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFour-channel sensor processing matrix accepting concurrent proximity, velocity, or acceleration inputs.\u003c\/li\u003e\n\u003cli\u003eComprehensive functional programming supporting radial vibration, thrust position, eccentricity, and differential expansion.\u003c\/li\u003e\n\u003cli\u003eConfigurable input channels arranged in pairs to execute independent signal conditioning and tracking routines.\u003c\/li\u003e\n\u003cli\u003eFront-panel buffered transducer outputs providing immediate coaxial access for external dynamic diagnostic analyzers.\u003c\/li\u003e\n\u003cli\u003eRedundant 3500 backplane connectivity maintaining consistent channel parameter comparisons and safety interlock routing.\u003c\/li\u003e\n\u003cli\u003eDistinct front faceplate diagnostic indicators providing immediate status visibility for module OK, TX\/RX bus activity, and bypass modes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous radial vibration and oil-film bearing breakdown tracking across critical plant turbo-compressors.\u003c\/li\u003e\n\u003cli\u003eDirect axial shaft thrust positioning and rotor displacement loops inside heavy-duty power generation steam turbines.\u003c\/li\u003e\n\u003cli\u003eHigh-accuracy mechanical casing acceleration and structural velocity vibration cross-checks on large balance-of-plant motor skids.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical 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\u003eDetail\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada (Baker Hughes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3500\/42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProximitor \/ Seismic Monitor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.7 watts typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Signal Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAccepts 1 to 4 proximity, velocity, or acceleration transducer inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance (Standard I\/O)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 kohm (Proximitor and acceleration inputs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDirect \u0026amp; Gap Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin ±0.33% of full-scale typical, ±1% maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecorder Output Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.3662 uA per bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecorder Voltage Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to +12 Vdc range across load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecorder Load Resistance Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 600 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBias Filter Attenuation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-3 dB at 0.01 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNot OK Filter Attenuation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-3 dB at 2400 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUpdate Rate Performance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 ms or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Module Dimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e241.3 mm x 24.4 mm x 241.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Module Net Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.91 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Bounds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30 degC to +65 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature Bounds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity Constraints\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eInterface Element\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction Assignment\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFront Coaxial Connectors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFour dedicated buffered transducer output ports for dynamic waveform verification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOK LED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eContinuous green indicator displaying proper monitor and I\/O module health status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTX\/RX LED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlashing indicator tracking real-time message exchange on the rack communication bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBYPASS LED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConstant indicator signaling that a channel parameter or alarm sequence is suppressed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Multi-Pin Array\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFixed connector pins establishing power links, input ties, and alarm control routing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack Insertion:\u003c\/strong\u003e Guide the module chassis straight along the clear plastic slot tracks located to the right of the Rack Interface Module. Push firmly until the terminal array sits completely inside the backplane connectors, then secure the front panel thumbscrews.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransducer Field Wiring:\u003c\/strong\u003e Route incoming sensor signal lines through dedicated, isolated instrumentation conduits. Terminate leads onto the companion rear-mounted I\/O terminal head assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic Grounding:\u003c\/strong\u003e Maintain continuous attachment to an approved electrostatic discharge wrist strap during unboxing or modification routines to safeguard internal analog processing chips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Continuity Management:\u003c\/strong\u003e Land input cable shield drain wires onto the dedicated shield terminals provided on the I\/O block, keeping the sensor end ungrounded to eliminate standard ground loop noise induction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e3500\/42 vs. 3500\/42M: Key Differences \u0026amp; Selection Guide\u003c\/h3\u003e\n\u003cp\u003eWhen managing legacy machinery protection legacy networks or sourcing replacement parts for the \u003cstrong\u003eBently Nevada 3500\u003c\/strong\u003e system, understanding the technical boundary lines between the standard \u003cstrong\u003e3500\/42\u003c\/strong\u003e and the enhanced \u003cstrong\u003e3500\/42M\u003c\/strong\u003e (Multimode) Proximitor\/Seismic Monitor is critical for plant compatibility.\u003c\/p\u003e\n\u003ch4\u003eArchitectural Comparison\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature \/ Specification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eLegacy 3500\/42 Monitor\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eEnhanced 3500\/42M Monitor\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHardware Generation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEarly baseline production series\u003c\/td\u003e\n\u003ctd\u003eLater generation Multimode series (Current OEM standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannel Programming\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFunctionally restricted per channel pair via physical onboard hardware jumpers\u003c\/td\u003e\n\u003ctd\u003eFully software-configurable per channel via 3500 Rack Configuration Software\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMixed Sensor Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLimited flexibility; channels must match specific jumper groups\u003c\/td\u003e\n\u003ctd\u003eHigh flexibility; allows concurrent pairing of proximity and seismic sensors within one card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdvanced Signal Processing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard vibration, thrust position, and casing velocity tracking\u003c\/td\u003e\n\u003ctd\u003eSupports advanced algorithms including REBAM®, Shaft Absolute, and Circular Acceptance Region\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Rear I\/O Cards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e140471-01 (Internal) \/ 140482-01 (External)\u003c\/td\u003e\n\u003ctd\u003e128229-01 (Internal) \/ 128240-01 (External)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eSelection and Backward Compatibility Rules\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Legacy Replacement:\u003c\/strong\u003e If your current rack contains an original \u003cstrong\u003e3500\/42\u003c\/strong\u003e main monitor card that has suffered hardware degradation, the newer \u003cstrong\u003e3500\/42M\u003c\/strong\u003e can function as a complete functional replacement. It is fully backwards compatible with the overall 3500 chassis backplane communication bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe \"Matched Pair\" Mandatory Rule:\u003c\/strong\u003e You \u003cstrong\u003ecannot\u003c\/strong\u003e plug a \u003cstrong\u003e3500\/42M\u003c\/strong\u003e front monitor card into an older \u003cstrong\u003e3500\/42\u003c\/strong\u003e rear I\/O module (and vice versa). The internal trace layouts and electrical pinning paths are distinct. If you choose to upgrade a legacy slot to the 42M series, you must purchase and replace \u003cstrong\u003eboth the Front Monitor Card and the Rear I\/O Module as a matched set\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration Redeployment:\u003c\/strong\u003e When replacing an old 3500\/42 with a 3500\/42M hardware bundle, field technicians must connect via the 3500 Rack Configuration Software, modify the designated slot definition type to \"3500\/42M\", map the original transducer metrics, and perform a fresh logic download to activate the slot.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666531938667,"sku":"3500\/42","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-3500-42-proximitor-seismic-monitor-0uvaaynfrl1_ba527237-f7d2-4c33-9470-6b25869a7b65.jpg?v=1765440372","url":"https:\/\/www.plcprotech.com\/fr\/products\/bently-nevada-3500-42-proximitor%c2%ae-seismic-monitor-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}