{"product_id":"140734-02-bently-nevada-3500-42-proximitor-seismic-monitor-module","title":"140734-02 Bently Nevada 3500\/42 Proximitor Seismic Monitor Module","description":"\u003cp\u003eConfigured for multi-parameter vibration acquisition in 3500 series racks, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 140734-02\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e3500\/42\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProximitor Seismic Monitor) provides direct physical signal execution for radial vibration, thrust position, and casing acceleration loops.\u003c\/p\u003e\n\u003ch3\u003eMonitor Configuration Matrix\u003c\/h3\u003e\n\u003cp\u003eThe 140734-02 utilizes four independent input channels, each programmable via the 3500 rack configuration software. The module architecture supports selectable input types, enabling the processing of both eddy-current proximity probes and velocity-type seismic transducers within a single hardware platform.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e140734-02 (3500\/42)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.82 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 x 25.5 x 24 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 deg C to +85 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.7 W (Typical)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAccuracy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e+\/- 1% of full-scale range\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eRotor Dynamics \u0026amp; Signal Conditioning\u003c\/h3\u003e\n\u003cp\u003eThe module employs high-resolution 24-bit A\/D conversion to ensure signal integrity across the specified frequency response range. Effective rotor dynamics monitoring necessitates accurate eddy-current probe scaling, where the input voltage is mapped to displacement units. The system requires gap voltage validation near the -10 VDC target to confirm correct probe installation and linear response range. Internal circuitry provides cross-talk suppression to maintain measurement precision when multiple probes are installed in proximity to the same shaft target.\u003c\/p\u003e\n\u003ch3\u003eOrdering Info\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e140734-02 Monitor Module (4-Channel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eI\/O Module (Internal or External Termination options)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfiguration Software License\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShielding and Grounding Kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Seating\u003c\/strong\u003e: Align the monitor module with the rear I\/O module to prevent pin misalignment during insertion into the rack chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShielding\u003c\/strong\u003e: Terminate transducer signal shields to the designated backplane ground studs to mitigate electromagnetic interference in high-noise environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProximitor Power\u003c\/strong\u003e: Ensure that the transducer supply voltage provided by the 3500 rack matches the requirements of the installed eddy-current probes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHot-Swap Procedure\u003c\/strong\u003e: While the module supports live insertion, verify that the system is in a maintenance state if the loss of signal could trigger false emergency shutdown logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow are alarm setpoints handled?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlarms are configured in software and executed by the monitor hardware; they are compared against the live input values to trip rack relays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support seismic velocity sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the module inputs can be configured to process signals from velocity-type seismic sensors for absolute vibration monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat occurs during a \"Not OK\" condition?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module disables the channel outputs and notifies the rack interface module to prevent invalid data from triggering safety shutdown sequences.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 140734-02 compatible with all 3500 racks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module is compatible with standard 3500 series racks, provided the rack is running a firmware version that supports the 3500\/42 module class.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the 24-bit A\/D conversion?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt provides high resolution for vibration signals, ensuring that small changes in shaft position or casing vibration are accurately detected.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAre there channel-to-channel limitations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the channels are independent, they share a common backplane reference; observe standard grounding practices to avoid potential differences.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the module ID determined?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module address is defined by its physical slot position within the 3500 rack and recognized by the rack interface module upon startup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the module be recalibrated in the field?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCalibration adjustments are performed through the configuration software; physical calibration involves verifying probe scaling and voltage output at the input terminals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45847638507693,"sku":"3500\/42 140734-02","price":1100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/bently-nevada-3500-42m-140734-02-proximitor-seismic-monitor-pwa-r0numhbecec.jpg?v=1764225484","url":"https:\/\/www.maxwellplc.com\/products\/140734-02-bently-nevada-3500-42-proximitor-seismic-monitor-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}