{"product_id":"bently-nevada-126648-01-i-o-keyphasor-module","title":"Bently Nevada 126648-01 I\/O Keyphasor Module","description":"\u003ch2\u003eBently Nevada 126648-01 I\/O Keyphasor Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 126648-01\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e3500\/25\u003c\/strong\u003e Enhanced Keyphasor I\/O Module, operates as a dedicated hardware component for timing signal acquisition within the \u003cstrong\u003e3500\u003c\/strong\u003e Machinery Monitoring System. This module interfaces directly with proximity probes or magnetic pickups to condition shaft-reference signals, converting them into digital pulses essential for calculating rotative speed and phase-correlated vibration parameters.\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e126648-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e241 mm x 24 mm x 118 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30 deg C to 65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProximity probes or magnetic pickups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRotor Dynamics and Signal Synchronization\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e126648-01\u003c\/strong\u003e module is critical for rotor dynamics analysis, providing the precise timing reference required to measure 1X vibration amplitude and phase. By executing rapid signal conversion, the module ensures that the monitor modules receive accurate Keyphasor data, even during transient conditions. The module is engineered for cross-talk suppression to maintain the integrity of the timing pulse, which is necessary to prevent phase jitter that could invalidate vector measurements. In high-integrity applications, the module supports parallel operation for TMR redundancy, ensuring a continuous primary and secondary signal stream.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the 126648-01 module compatible with legacy 3500 Keyphasor modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: Yes, the Enhanced Keyphasor Module maintains complete downward compatibility in form, fit, and function, allowing for direct replacement in existing 3500 system architectures.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many Keyphasor signals can a standard 3500 rack support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA: The system can accept up to four Keyphasor signals in a standard configuration and up to eight Keyphasor signals when utilizing a paired configuration.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1. Mounting and Integration:\u003c\/strong\u003e Install the module into the designated slot within the 3500 rack. Ensure all backplane connectors are fully seated to maintain the high-speed data bus link required for digital signal distribution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Signal Cabling:\u003c\/strong\u003e Connect proximity probes or magnetic pickups using shielded cabling. Ensure the shield is properly grounded at the I\/O terminal block to prevent electromagnetic interference from impacting the timing pulse accuracy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. TMR Setup:\u003c\/strong\u003e When configuring for Triple Modular Redundant (TMR) applications, install two Keyphasor modules in the designated redundant slots to allow for primary\/secondary signal pathing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Configuration Verification:\u003c\/strong\u003e Utilize the 3500 Rack Configuration Software to map the Keyphasor inputs to the appropriate monitor channels. Verify that the pulse trigger levels are correctly set based on the specific transducer type (proximity probe vs. magnetic pickup) to ensure reliable signal detection.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14px;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #e74c3c;\"\u003e\u003cspan style=\"font-size: 20px;\"\u003e\u003cspan style=\"font-family: Arial,Helvetica,sans-serif;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44367479373923,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/126648-01-1.jpg?v=1784252177","url":"https:\/\/precisemodule.com\/products\/bently-nevada-126648-01-i-o-keyphasor-module","provider":"Precise Module Ltd.","version":"1.0","type":"link"}