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      3500/25 149369-01

      Enhanced Keyphasor Module
      In Stock
      Bently Nevada 3500/25 149369-01
      Bently Nevada 3500/25 149369-01
      Bently Nevada 3500/25 149369-01
      Bently Nevada 3500/25 149369-01
      Bently Nevada 3500/25 149369-01
      Bently Nevada 3500/25 149369-01
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      Enhanced Keyphasor Module
      TWO HALF-HEIGHT 2-CHANNEL 
      KEYPHASOR CARDS
      ISOLATED I/O MODULE WITH 
      INTERNAL TERMINATIONS

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      Technical specifications for 3500/25 149369-01

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring Systems
      • Spare Part Number:
        149369-01
      • Estimated shipping dimensions:
        2.5x25.7x12cm
      • Weight:
        0.34 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Accuracy:
        +/- 0.2% FS
      • Input Range:
        4-20 mA or 0-5 V
      • Power Supply:
        12V DC
      • Communication Protocol:
        RS485
      • Operating Temperature:
        -40°F to 185°F (-40°C to 85°C)
      • Humidity:
        95%, non-condensing
      • Storage Temperature:
        -40°C to +85°C (-40°F to +185°F)
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      Information

      Overview Manuals Common Applications Product Precautions
      The 3500/25 149369-01 is an enhanced keyphase module manufactured by Bentley Nevada, a subsidiary of General Electric (GE). It is a core component of the 3500 monitoring system, a half-height dual-channel module specifically designed for condition monitoring of large rotating machinery.  
        • System-wide Signal Sharing
        • Enhanced Signal Processing
        • High Flexibility and Scalability
      The 3500/25 Enhanced Keyphasor Module is a half-height, two-channel module used to provide Keyphasor signals to the monitor modules in a 3500 rack. The module receives input signals from proximity probes or magnetic pickups and converts the signals to digital Keyphasor signals that indicate when the Keyphasor mark on the shaft coincides with the Keyphasor transducer. The 3500 Machinery Protection System can accept up to four Keyphasor signals for normal configuration and up to eight Keyphasor signals in a paired configuration. The Enhanced Keyphasor Module is an improved 3500 system module. It offers expanded Keyphasor signal processing capabilities over the previous design while maintaining complete downward-compatibility in terms of form, fit and function with existing Keyphasor modules for use in legacy systems. The Keyphasor module, PWA 125792-01, is completely replaced by the updated 149369-01 module.

      Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. 
       Bently Nevada 3500/25 149369-01 Enhanced Keyphasor Module Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
      Nuclear Power
      Providing high-precision speed references for main feedwater pumps to ensure cooling system stability.

      Steel & Metallurgy
      Used for blast furnace blowers to analyze dynamic balance through Keyphasor signals.

      Pulp & Paper
      Monitoring dryer section drive systems to analyze the synchronization of multi-support shafting.

      Air Separation
      Monitoring air compressors to judge rotor thermal bow through 1X vector analysis.

      Cement Production
      Vibration analysis for large exhaust fans to reduce downtime caused by uneven dust accumulation.

      Marine Propulsion
      Monitoring main propulsion turbines to provide propeller shaft speed and phase data.

       Ensure the module is perfectly matched with its corresponding I/O module (isolated or non-isolated) and that sensor types and trigger thresholds are correctly configured in the software to prevent signal false-triggering or loss. During installation or replacement, verify slot alignment to avoid damaging backplane pins by forcing the card. Additionally, regularly verify the logical distribution of Keyphasor signals to ensure all monitor modules in the rack receive synchronized and accurate speed and phase references.

      FAQ View All FAQ

      • What is 3500/25 149369-01?
        3500/25 149369-01 is a Keyphasor Module
      • What is the primary use of the 3500/25 149369-01?
        It provides speed and phase references to monitor modules for calculating vibration phase and machine RPM.
      • Where can the 3500/25 149369-01 be installed in the rack?
        It is installed in the dedicated Keyphasor slots on the left side of the 3500 rack.
      • How to correctly use the 3500/25 149369-01?
        Insert it into the rack, connect it to the rear I/O module, and configure input signal types via the 3500 Configuration Software.
      • Which sensors are compatible with 3500/25 149369-01?
        It supports proximity probes, magnetic pickups, and optical sensors.
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          Bently Nevada 3500/25 149369-01
          Bently Nevada 3500/25 149369-01
          Bently Nevada 3500/25 149369-01
          Bently Nevada 3500/25 149369-01
          Bently Nevada 3500/25 149369-01
          Bently Nevada 3500/25 149369-01