{"product_id":"3500-25-01-02-00-bently-nevada-3500-series-enhanced-keyphasor-module","title":"3500\/25-01-02-00 Bently Nevada 3500 Series Enhanced Keyphasor Module","description":"\u003cp\u003eThe \u003cstrong\u003eBently Nevada 3500\/25-01-02-00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e3500\/25\u003c\/strong\u003e Enhanced Keyphasor Module, operates as a dedicated phase reference acquisition component for rotational speed and timing signal measurement within the Bently Nevada 3500 Machinery Protection System.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Identification\u003c\/h3\u003e\n\u003cp\u003eThe 3500\/25-01-02-00 configuration defines a single half-height 2-channel Keyphasor card with an I\/O module using external terminations.\u003c\/p\u003e\n\u003cp\u003eThe module receives Keyphasor transducer signals and provides phase reference information used by 3500 monitoring modules for shaft speed measurement, vibration analysis synchronization, and rotor position tracking.\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eParameter\u003c\/td\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e3500\/25-01-02-00\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eEnhanced Keyphasor Module\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\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\u003e0.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e2.8 x 25.8 x 24 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified in provided data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3.2 Watts typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Configuration\u003c\/td\u003e\n\u003ctd\u003eSingle half-height 2-channel Keyphasor card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Module Type\u003c\/td\u003e\n\u003ctd\u003eExternal termination I\/O module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAgency Approval Option\u003c\/td\u003e\n\u003ctd\u003eNot required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e21.8 kohm minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd\u003e504 ohms maximum buffered output impedance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C (-40 deg F to +185 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRotor Phase Reference Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 3500\/25 Enhanced Keyphasor Module provides phase reference signals required for machinery monitoring calculations. The Keyphasor input identifies a shaft reference position by detecting a once-per-revolution or multiple-event marker from a compatible transducer.\u003c\/p\u003e\n\u003cp\u003eThe module supports rotor dynamics analysis by providing synchronized timing information for vibration measurements. This phase reference allows 3500 monitoring modules to calculate phase angle, speed, and vector-related parameters.\u003c\/p\u003e\n\u003cp\u003eFor rotating machinery applications, correct Keyphasor alignment is required because inaccurate reference positioning can affect phase measurement and vibration analysis results.\u003c\/p\u003e\n\u003ch3\u003eSignal Interface and Timing Function\u003c\/h3\u003e\n\u003cp\u003eThe 3500\/25 module processes Keyphasor transducer input signals and distributes buffered output signals within the monitoring architecture.\u003c\/p\u003e\n\u003cp\u003eThe module design supports stable timing transmission through controlled input impedance and buffered output impedance. Proper sensor installation, signal shielding, and grounding practices are required to reduce electrical interference.\u003c\/p\u003e\n\u003cp\u003eThe Keyphasor function operates independently from eddy-current displacement scaling but provides synchronization data used with proximity monitoring channels for rotor dynamics evaluation.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cp\u003eThe delivered configuration includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Bently Nevada 3500\/25-01-02-00 Enhanced Keyphasor Module\u003c\/li\u003e\n\u003cli\u003e1 x Single half-height 2-channel Keyphasor card\u003c\/li\u003e\n\u003cli\u003e1 x External termination I\/O module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRequired system components:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Compatible Bently Nevada 3500 rack\u003c\/li\u003e\n\u003cli\u003e1 x Compatible 3500 power supply module\u003c\/li\u003e\n\u003cli\u003e1 x Compatible Keyphasor transducer assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eModule Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module into a compatible 3500 rack slot.\u003c\/li\u003e\n\u003cli\u003eVerify rack backplane compatibility before installation.\u003c\/li\u003e\n\u003cli\u003eConfirm I\/O module termination type matches the field wiring configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKeyphasor Signal Wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse appropriate shielded signal cables for Keyphasor connections.\u003c\/li\u003e\n\u003cli\u003eKeep sensor wiring separated from high-current power circuits.\u003c\/li\u003e\n\u003cli\u003eMaintain correct grounding practices to reduce electrical noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Configuration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify Keyphasor channel settings before commissioning.\u003c\/li\u003e\n\u003cli\u003eConfirm shaft reference position alignment.\u003c\/li\u003e\n\u003cli\u003eValidate speed and phase measurements after startup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the 3500\/25 module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module provides Keyphasor phase reference acquisition for shaft speed, timing synchronization, and rotor dynamics calculations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow many Keyphasor channels are available?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis configuration provides a single half-height card with 2 Keyphasor channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module measure vibration amplitude directly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It provides phase reference signals used by other 3500 monitoring modules for vibration analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of termination does this model use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 3500\/25-01-02-00 configuration uses an I\/O module with external terminations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module connect directly to a PLC input?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It is designed for use within the Bently Nevada 3500 Machinery Protection System architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module require a separate transducer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module requires a compatible Keyphasor transducer to receive shaft reference signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat environmental humidity rating is specified?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module is specified for operation or storage conditions up to 95% humidity, non-condensing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module support rotor phase analysis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The Keyphasor reference signal provides timing information required for phase-based rotor analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":46025904717997,"sku":"3500\/25-01-02-00","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/350025-2.jpg?v=1783500339","url":"https:\/\/www.maxwellplc.com\/ru\/products\/3500-25-01-02-00-bently-nevada-3500-series-enhanced-keyphasor-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}