{"product_id":"176449-02-bently-nevada-3500-42m-proximitor-seismic-monitor-3500-series","title":"176449-02 Bently Nevada 3500\/42M Proximitor Seismic Monitor 3500 Series","description":"\u003cp\u003eConfigured for multi-channel vibration and position signal acquisition in 3500 machinery protection system platforms, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 176449-02\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e3500\/42M\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProximitor Seismic Monitor) provides direct physical and electrical execution of transducer signal processing for rotating asset monitoring.\u003c\/p\u003e\n\u003ch3\u003eModel Identification and Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 176449-02 hardware configuration of the 3500\/42M module supports integration with eddy-current proximity probes and seismic sensors. This unit resides within the 3500 rack backplane, converting raw field-sensor inputs into processed static and dynamic signals for alarm logic evaluation and protection relay triggering.\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\u003e176449-02\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\u003e0.8 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 cm x 25.6 cm x 24.0 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-30 deg C to +65 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 Watts (typical)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModule Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProximitor Seismic Monitor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Monitoring and TSI Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 3500\/42M module executes precise eddy-current probe scaling to ensure that measured peak-to-peak displacement corresponds to actual shaft motion. It performs continuous gap voltage validation (-10 VDC targets) for all proximity probe inputs, ensuring that signals remain within the linear operating range of the transducer. To preserve data fidelity, the module utilizes internal cross-talk suppression paths across the backplane, effectively mitigating interference between high-frequency vibration signals. The internal state machine monitors for signal saturation and probe-fault conditions, providing immediate feedback to the Rack Interface Module (RIM) to prevent erroneous protection shutdowns.\u003c\/p\u003e\n\u003ch3\u003eOrdering Info\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e176449-02 3500\/42M Monitor module (Main assembly)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAssociated I\/O module (Terminal interface block)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfiguration software package\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStandard rack mounting and grounding hardware\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\u003eSecure the monitor module into the designated rack slot, ensuring the backplane connector is fully seated.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTerminate all sensor cabling using shielded twisted-pair conductors to maximize common-mode rejection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnect the shield drain to the designated rack chassis ground to minimize ground loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eValidate that jumper configurations on the I\/O module correspond to the connected transducer type (e.g., prox probe vs. seismic sensor).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure proper terminal block torque to prevent resistive signal degradation over time.\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\u003eQ: Does the module support hot-swapping?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the 3500\/42M can be removed or inserted into an energized rack without affecting the operation of other modules in the system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How does the module indicate an open sensor connection?\u003c\/p\u003e\n\u003cp\u003eA: It detects an \"out of range\" signal condition and flags a \"Not OK\" status, which initiates the corresponding alarm or danger relay logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Can this module be configured for different probe types?\u003c\/p\u003e\n\u003cp\u003eA: Yes, it supports various Bently Nevada eddy-current and seismic sensors; configuration is handled through the 3500 Rack Configuration software.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Is external power required for the transducers?\u003c\/p\u003e\n\u003cp\u003eA: No, the module provides the necessary -24 VDC excitation power to the connected sensors directly through the backplane and I\/O module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How is signal data exported to external systems?\u003c\/p\u003e\n\u003cp\u003eA: Digital data is communicated to the Rack Interface Module (RIM) via the proprietary rack bus, which is then accessible via Ethernet for host systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the purpose of the front-panel LEDs?\u003c\/p\u003e\n\u003cp\u003eA: The LEDs provide status indication for module power (OK), alarm states (Alert\/Danger), and sensor integrity (Not OK).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Can I use this for non-vibration monitoring?\u003c\/p\u003e\n\u003cp\u003eA: It is designed specifically for vibration, displacement, and position monitoring applications within the 3500 protection ecosystem.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the impact of probe gap voltage errors?\u003c\/p\u003e\n\u003cp\u003eA: Gap voltage errors exceeding defined thresholds trigger a sensor fault, causing the module to bypass the associated measurement logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45378088009901,"sku":"176449-02","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/bently-nevada-3500-42m-176449-02-proximitor-seismic-monitor-k32jvb2xqxe.jpg?v=1764225472","url":"https:\/\/www.maxwellplc.com\/products\/176449-02-bently-nevada-3500-42m-proximitor-seismic-monitor-3500-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}