{"product_id":"bently-nevada-3500-42-125672-02-proximitor-seismic-monitor-module","title":"Bently Nevada 3500\/42 125672-02 Proximitor\/Seismic Monitor Module","description":"\u003ch2\u003eBently Nevada 3500\/42 125672-02 Proximitor\/Seismic Monitor Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 3500\/42 125672-02\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e3500\/42M\u003c\/strong\u003e Proximitor\/Seismic Monitor, operates as a dedicated hardware component for multi-channel machinery protection and signal conditioning within 3500 Rack systems.\u003c\/p\u003e\n\u003ch3\u003eHardware 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\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e3500\/42 125672-02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.26 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e5.5 x 29 x 23 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e7.7 Watts (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd\u003e550 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Compliance\u003c\/td\u003e\n\u003ctd\u003e0 to +12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmax Range\u003c\/td\u003e\n\u003ctd\u003e0.125 to 15.8 times running speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMechanical Monitoring \u0026amp; TSI Integration\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e3500\/42\u003c\/strong\u003e module provides high-precision signal processing for \u003cstrong\u003erotor dynamics\u003c\/strong\u003e by conditioning inputs from up to four proximity or seismic transducers. The internal \u003cstrong\u003e1X and 2X vector filter\u003c\/strong\u003e utilizes a Constant Q architecture with a stopband rejection of -57.7 dB, ensuring high-fidelity extraction of vibration vectors. During operation, \u003cstrong\u003egap voltage validation\u003c\/strong\u003e is performed to maintain transducer linearity, while the \u003cstrong\u003e0.09 Hz gap filter\u003c\/strong\u003e stabilizes static position inputs. The module supports robust \u003cstrong\u003efail-safe state execution\u003c\/strong\u003e by comparing conditioned signals against user-configured alarm setpoints, providing integrated protection for fluid-film bearing machines.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 3500\/42 support input from multiple transducer types simultaneously?A: Yes.\u003c\/strong\u003e The module is a four-channel device that can be configured via the 3500 Rack Configuration Software to accept signals from both proximity and seismic transducers, depending on the specific monitoring application (e.g., radial vibration, thrust position, or acceleration).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the significance of the -57.7 dB stopband rejection in the vector filter?A: Noise Suppression.\u003c\/strong\u003e This high level of rejection ensures that non-target frequency components are effectively attenuated, providing a clean vector output for accurate analysis of machine vibration state, particularly in complex speed-varying environments.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Interface:\u003c\/strong\u003e Ensure the module is seated fully within the rack slot. The connector pins must be clean and free of oxidation to prevent high-impedance paths that could corrupt low-level transducer signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Shielding:\u003c\/strong\u003e All proximity and seismic transducer cables must utilize shielded twisted-pair wiring. Terminate shields at the I\/O module ground to ensure effective common-mode noise rejection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Utilize the 3500 Rack Configuration Software to set parameters for each channel. Verify that scaling, alarm setpoints, and filter settings match the mechanical specifications of the monitored asset before placing the module in service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Maintain the 3500 rack chassis at a stable plant instrument ground potential. Avoid ground loops by ensuring that signal returns from external transducers do not create multi-point grounding paths.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44367490351203,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/125672-02-1_e5a5e887-7b2a-42a4-b30e-61def0d393cd.jpg?v=1784254290","url":"https:\/\/precisemodule.com\/products\/bently-nevada-3500-42-125672-02-proximitor-seismic-monitor-module","provider":"Precise Module Ltd.","version":"1.0","type":"link"}