{"product_id":"176449-02-bently-nevada-3500-42m-proximitor-seismic-monitor-module-in-stock","title":"176449-02 Bently Nevada 3500\/42M Proximitor Seismic Monitor Module In Stock","description":"\u003ch3\u003e\u003cb\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e176449-02\u003c\/b\u003e\u003c\/span\u003e is the enhanced 4-channel \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e3500\/42M Proximitor Seismic Monitor\u003c\/b\u003e\u003c\/span\u003e card from \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003eBently Nevada\u003c\/b\u003e\u003c\/span\u003e designed for the \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e3500 Series\u003c\/b\u003e\u003c\/span\u003e machinery protection framework.\u003c\/p\u003e\n\u003cp\u003eThis primary processing card conditions dynamic sensor inputs to continuously assess mechanical health on critical rotating equipment.\u003c\/p\u003e\n\u003cp\u003eIt processes signals from eddy current proximity probes, Velomitor sensors, and piezoelectric accelerometers simultaneously.\u003c\/p\u003e\n\u003cp\u003eEngineers program each channel pair individually to monitor radial vibration, axial thrust, differential expansion, or shaft absolute parameters.\u003c\/p\u003e\n\u003cp\u003eThe card compares real-time machinery metrics against user-configured alarm limits to trigger protective relay outputs before catastrophic damage occurs.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003eBently Nevada\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e176449-02\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eModel Name:\u003c\/b\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e3500\/42M Proximitor Seismic Monitor\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eSeries:\u003c\/b\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e3500 Series\u003c\/b\u003e\u003c\/span\u003e Machinery Protection System\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eChannel Capacity:\u003c\/b\u003e Accepts 1 to 4 transducer inputs across two programmable channel pairs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003ePower Consumption:\u003c\/b\u003e 7.7 Watts typical power consumption\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eStandard Input Impedance:\u003c\/b\u003e 10 kΩ for Proximitor probe and accelerometer signal paths\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eRadial Vibration Sensitivity:\u003c\/b\u003e 3.94 mV\/µm (100 mV\/mil) or 7.87 mV\/µm (200 mV\/mil)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eThrust \u0026amp; Eccentricity Sensitivity:\u003c\/b\u003e 3.94 mV\/µm (100 mV\/mil) or 7.87 mV\/µm (200 mV\/mil)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eREBAM Sensitivity:\u003c\/b\u003e 40 mV\/µm (1000 mV\/mil) or 80 mV\/µm (2000 mV\/mil)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eAcceleration Input Sensitivity:\u003c\/b\u003e 10 mV\/(m\/s²) (100 mV\/g)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eVelocity Input Sensitivity:\u003c\/b\u003e 20 mV\/(mm\/s) pk (500 mV\/in\/s), 5.8 mV\/(mm\/s) pk, or 4 mV\/(mm\/s) pk\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eDirect Filter Frequency Response:\u003c\/b\u003e Programmable single-pole -3 dB at 4 Hz to 4000 Hz or 1 Hz to 600 Hz (±1% accuracy)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eGap Filter Response:\u003c\/b\u003e -3 dB point at 0.09 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eVector Filtering:\u003c\/b\u003e 1X and 2X constant Q tracking filters with minimum -57.7 dB stopband rejection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eDirect Signal Processing Accuracy:\u003c\/b\u003e Within ±0.33% of full-scale typical (±1% maximum limit)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eTransducer Power Supply:\u003c\/b\u003e Output voltage rated at -24 Vdc\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eCurrent Recorder Outputs:\u003c\/b\u003e +4 to +20 mA individual outputs per channel proportional to full scale (0 to 600 Ω load)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eDigital Recorder Resolution:\u003c\/b\u003e 0.3662 µA per bit with maximum ±0.7% error across full operating temperature\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eFront Panel Outputs:\u003c\/b\u003e 4 coaxial BNC short-circuit protected connectors (550 Ω output impedance)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eBuffered Output Impedance:\u003c\/b\u003e 300 Ω for Shaft Absolute buffered channel group connections\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003ePhysical Dimensions:\u003c\/b\u003e 241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eModule Weight:\u003c\/b\u003e 0.91 kg (2.0 lbs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eApplication Scenarios \u0026amp; Target Equipment\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003ePlant engineers implement the \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e176449-02\u003c\/b\u003e\u003c\/span\u003e card on high-value turbomachinery operating in power generation, petrochemical processing, and oil refining.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eTarget Machinery Platforms:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy industrial steam turbines and gas turbine generator sets\u003c\/li\u003e\n  \u003cli\u003eMulti-stage centrifugal boiler feed pumps and axial pipeline compressors\u003c\/li\u003e\n  \u003cli\u003eLarge induction motors, gearboxes, and industrial fans\u003c\/li\u003e\n  \u003cli\u003eHydroelectric turbine-generator shafts requiring absolute shaft vibration measurement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eDiagnostic \u0026amp; Protection Capabilities:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEarly detection of shaft unbalance, mechanical misalignment, and rotor rub conditions via 1X\/2X tracking vectors\u003c\/li\u003e\n  \u003cli\u003eContinuous monitoring of axial position to prevent rotor-to-stator contact inside steam turbines\u003c\/li\u003e\n  \u003cli\u003eReal-time Smax phase vector evaluation to identify unstable fluid film bearing whip or whirl phenomena\u003c\/li\u003e\n  \u003cli\u003eHigh-frequency rolling element bearing degradation tracking using REBAM filtering modes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eInstallation Guidelines \u0026amp; Commissioning\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSeat the \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e176449-02\u003c\/b\u003e\u003c\/span\u003e card into any vacant full-height front slot of the main rack except slot 1.\u003c\/li\u003e\n  \u003cli\u003eVerify rear I\/O card compatibility before powering on the rack assembly.\u003c\/li\u003e\n  \u003cli\u003eConnect proximity probe extension cables to the matching rear I\/O field terminal blocks.\u003c\/li\u003e\n  \u003cli\u003eVerify -24 Vdc transducer power at the terminal connectors using a digital multimeter prior to configuration loading.\u003c\/li\u003e\n  \u003cli\u003eUse 3500 System Rack Configuration Software to assign transducer scale factors, filter corner frequencies, and alarm delay timers.\u003c\/li\u003e\n  \u003cli\u003eRoute buffered front panel BNC signals directly to portable FFT vibration analyzers during dynamic balancing procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eOrdering, Packaging \u0026amp; Shipping Terms\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003ePart Included:\u003c\/b\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003eBently Nevada\u003c\/b\u003e\u003c\/span\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e176449-02\u003c\/b\u003e\u003c\/span\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e3500\/42M Proximitor Seismic Monitor\u003c\/b\u003e\u003c\/span\u003e processing board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003ePackaging Protection:\u003c\/b\u003e Sealed inside anti-static ESD shielding bags with custom high-density foam casing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eDispatch Speed:\u003c\/b\u003e Express warehouse turnaround ships within 24 to 48 hours of order confirmation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eGlobal Freight Options:\u003c\/b\u003e Worldwide door-to-door express delivery handled by FedEx, UPS, or DHL.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eWarranty Coverage:\u003c\/b\u003e Includes comprehensive 12-month factory defect replacement warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB's Insight\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eOur field engineering team regularly assists site technicians with troubleshooting signal integrity issues on \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e3500 Series\u003c\/b\u003e\u003c\/span\u003e racks.\u003c\/p\u003e\n\u003cp\u003eOn a recent call at a power station, a \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e3500\/42M Proximitor Seismic Monitor\u003c\/b\u003e\u003c\/span\u003e triggered intermittent Not OK status alarms on channel 3 after scheduled maintenance.\u003c\/p\u003e\n\u003cp\u003eThe site crew suspected a faulty \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e176449-02\u003c\/b\u003e\u003c\/span\u003e monitor card and requested an immediate hardware swap.\u003c\/p\u003e\n\u003cp\u003eOur diagnostic evaluation showed that the card hardware performed correctly, but field wiring installed near a variable frequency drive induced high-frequency noise onto the proximity probe line.\u003c\/p\u003e\n\u003cp\u003eGrounding the cable shield correctly at the machine casing terminal box brought the gap voltage back to -12 Vdc, instantly clearing the Not OK fault without requiring component replacement.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003ePurchasing Guide \u0026amp; Channel Selection\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eCheck your system configuration file to ensure the \u003cspan style=\"color: #0056b3;\"\u003e\u003cb\u003e176449-02\u003c\/b\u003e\u003c\/span\u003e card revision matches your existing rack software version.\u003c\/p\u003e\n\u003cp\u003eIdentify whether your application requires standard internal signal conditioning or specialized software key options like REBAM or Shaft Absolute processing.\u003c\/p\u003e\n\u003cp\u003eConfirm sensor compatibility: proximity probes require negative supply voltage, whereas self-generating velocity pickups require dedicated signal conditioning setup.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQuestion: Can I substitute the 176449-02 card directly for older non-M 3500\/42 monitor modules?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Yes, the 3500\/42M provides backward compatibility, but you must update your rack configuration file using 3500 Rack Configuration Software to recognize the M-series hardware architecture.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQuestion: How do the front panel BNC connectors handle short circuits during diagnostic routine checks?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Each front coaxial connector includes internal 550 Ω output impedance current-limiting circuitry to prevent monitor damage or channel disruption if shorted during testing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQuestion: What causes the Bypass LED to illuminate solid yellow on the front panel?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: A solid yellow Bypass LED indicates that an operator activated channel or rack bypass manually from the software interface or via dedicated digital inputs on the rear I\/O module.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQuestion: How do I verify if a channel NOT OK fault originates from the monitor card or the field sensor loop?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Measure the DC gap voltage at the rear I\/O terminals using a digital meter. If DC voltage sits between -2 Vdc and -18 Vdc for proximity probes, the field loop is healthy and the issue lies in threshold programming or module hardware.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQuestion: Why do the 4-20 mA recorder outputs show zero current despite normal vibration display values?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Verify that the external loop circuit receives external power if required by your specific rear I\/O board variant, and check that total loop load resistance stays strictly below 600 Ω.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013939224758,"sku":"176449-02","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/3500-42_1_f7e6b67f-b289-482c-9a99-921e5d56b918.jpg?v=1785914409","url":"https:\/\/www.plcsparehub.com\/products\/176449-02-bently-nevada-3500-42m-proximitor-seismic-monitor-module-in-stock","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}