{"product_id":"bently-nevada-126398-01g-3500-25-enhanced-keyphasor-module","title":"Bently Nevada 126398-01G 3500\/25 Enhanced Keyphasor Module","description":"\u003cp\u003eThe Bently Nevada \u003cstrong\u003e126398-01G\u003c\/strong\u003e is a specialized part number configuration associated with the 3500\/25 Enhanced Keyphasor Module. This half-height, two-channel module processes input signals from proximity probes and magnetic pickups to generate precise once-per-revolution or multi-event timing pulses for machinery protection systems. It delivers crucial phase reference and rotational speed data to other monitor modules across the rack backplane, supporting advanced vibration analysis and predictive maintenance routines.\u003c\/p\u003e\n\u003ch3\u003eSignal Processing and Triggering Control\u003c\/h3\u003e\n\u003cp\u003eThe module accepts up to two transducer inputs, accommodating signal ranges from +0.8 V to -21.0 V for standard configurations. It features flexible triggering mechanisms, including auto-threshold detection and manual threshold settings spanning 0 to -20 VDC, backed by adjustable hysteresis for enhanced noise immunity.\u003c\/p\u003e\n\u003cp\u003eConfigurable signal conditioning filters span a frequency range from 1 to 1,200,000 cpm, ensuring dependable pulse generation across diverse operating speeds.\u003c\/p\u003e\n\u003ch3\u003eOutputs and System Integration\u003c\/h3\u003e\n\u003cp\u003eBuffered Keyphasor outputs are accessible via front-panel coaxial connectors and rear Euro-style terminals, maintaining a 504 $\\Omega$ maximum output impedance for safe signal distribution. The unit also supplies dedicated -24 VDC power to energize connected transducers.\u003c\/p\u003e\n\u003cp\u003eFront-panel OK and TX\/RX LED indicators provide immediate visual feedback regarding internal module health and rack communication status.\u003c\/p\u003e\n\u003ch3\u003eTechnical Parameters\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\u003e\n\u003cstrong\u003e126398-01G\u003c\/strong\u003e (3500\/25 Keyphasor Module)\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\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e3500 Machinery Protection System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eEnhanced Keyphasor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e2 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003e+0.8 V to -21.0 V (Non-Isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e1 to 1,200,000 cpm (0.017 to 20 kHz)\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 per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.64 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What primary sensors interface with the \u003cstrong\u003e126398-01G\u003c\/strong\u003e Keyphasor module?\u003c\/p\u003e\n\u003cp\u003eA: The module accepts input signals from proximity probe transducers or passive magnetic pickups to monitor shaft rotational speed and phase angle.\u003c\/p\u003e\n\u003cp\u003eQ: How are buffered Keyphasor signals accessed for external diagnostic tools?\u003c\/p\u003e\n\u003cp\u003eA: Buffered outputs are available directly on the front panel via coaxial connectors as well as at the rear rack interface through Euro-style connectors.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":68024785666357,"sku":"3500\/25 126398-01G","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/350025-01-04-002_6ec490ad-9cae-4371-8288-700871c0e4fd.png?v=1793687739","url":"https:\/\/www.5gplc.com\/products\/bently-nevada-126398-01g-3500-25-enhanced-keyphasor-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}