{"product_id":"bently-nevada-133396-01-3500-series-overspeed-detection-i-o-module","title":"Bently Nevada 133396-01 3500 Series Overspeed Detection I\/O Module","description":"\u003ch2\u003eBently Nevada 133396-01 3500 Series Overspeed Detection I\/O Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 133396-01\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e133396-01\u003c\/strong\u003e Overspeed Detection I\/O Module, operates as a dedicated hardware component for critical machinery speed monitoring and trip execution within 3500 Series Machinery Protection System platforms.\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\u003e133396-01\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\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.5 x 11 x 24 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 to +65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e4 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransducer Power Supply\u003c\/td\u003e\n\u003ctd\u003e-24 Vdc, 40 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.1 % of reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecorder Output\u003c\/td\u003e\n\u003ctd\u003e+4 to +20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 50 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e500 V dc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Sealing\u003c\/td\u003e\n\u003ctd\u003eEpoxy sealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEddy-Current Probe Scaling and Rotor Dynamics Integration\u003c\/h3\u003e\n\u003cp\u003eThe module interfaces directly with proximity transducer systems, processing continuous voltage signals to monitor rotor dynamics. Accurate eddy-current probe scaling is essential to translate the physical gap variations into precise electrical metrics. The module performs constant validation of gap voltage, targeting nominal -10 VDC levels to ensure the proximity probes operate within their linear calibration range. This continuous diagnostic verification minimizes cross-talk suppression issues between adjacent magnetic fields and prevents false triggering during transient shaft behaviors, maintaining strict compliance with API 670 overspeed protection mandates.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 133396-01 module support hot-swap replacement while the 3500 rack is powered?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the I\/O module can be hot-swapped under power, provided the corresponding main overspeed protection monitoring module is bypassed or the redundant channel architecture is correctly configured to prevent accidental trip execution during physical extraction.\u003c\/p\u003e\n\u003cp\u003eQ: What is the primary operational limit for the integrated transducer power supply?\u003c\/p\u003e\n\u003cp\u003eA: The onboard transducer supply provides a maximum output of -24 Vdc at 40 mA. Exceeding this current draw will degrade signal integrity and may cause the probe diagnostic routine to report a channel fault condition.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower De-energization: Ensure the specific rack slot or associated machinery trip circuits are deactivated or bypassed before inserting or removing the rear I\/O module to avoid transient relay activation.\u003c\/li\u003e\n\u003cli\u003eGrounding and Shielding: Connect the eddy-current probe coaxial shield lines directly to the designated terminal block chassis ground. Maintain continuous shield integrity through all intermediate junction blocks to suppress high-frequency electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eTerminal Torque Specification: Tighten the field wiring terminal screws to the manufacturer-specified limits to ensure reliable physical connection under high-vibration industrial environments. Do not overtighten as it may fracture the internal PCB interface trace.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44318002839651,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/133396-01-2.jpg?v=1774935550","url":"https:\/\/precisemodule.com\/products\/bently-nevada-133396-01-3500-series-overspeed-detection-i-o-module","provider":"Precise Module Ltd.","version":"1.0","type":"link"}