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      3500/25 149369-01 135473-01

      3500/25 Enhanced Keyphasor Module
      Product image is representative; revision or series may vary. Contact us to request a specific version.

      Product Describe：

      3500/25 Enhanced Keyphasor Module
      Keyphasor I/O Module (Internal 
      Barriers and Internal Terminations）

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      Technical specifications for 3500/25 149369-01 135473-01

      • Manufacturer:
        Bently Nevada
      • Product Category:
        Machinery Monitoring Systems
      • Spare Part Number:
        3500/25 149369-01 135473-01
      • Estimated shipping dimensions:
        2.5x25.5x12cm
      • Weight:
        0.32 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Number of channels:
        Single half-height 2-channel Keyphasor card (order for 2-channels)
      • Type of I/O Module:
        I/O module with Internal Terminations
      • Agency Approval Option:
        Not required
      • Power Consumption:
        3.2 Watts typical
      • Input Impedance:
        21.8 k Ω minimum
      • Storage Temperature:
        -40°C to +85°C (-40°F to +185°F)
      • Humidity:
        95%, non-condensing
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      Information

      Overview Manuals Common Applications Product Precautions
      The 3500/25 149369-01 135473-01 is a complete hardware combination of enhanced key phase modules. And provides precise speed and phase angle references for other monitoring modules in the 3500 system. This is crucial for analyzing the dynamic balance and diagnosing faults in rotating machinery.  
        • Keyphasor Processing
        • Synchronous Triggering
        • Alarming & Interlock
      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 135473-01 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.
      Petroleum Refining
      Used in Centrifugal Compressors to analyze rotor balance via phase signals, preventing costly unplanned shutdowns.
       
      Steel & Metallurgy
      Monitoring Blast Furnace Blowers to avoid production line stoppages caused by excessive vibration.

      Hydroelectric Power
      Used for Hydro Turbine Generators to monitor shaft centerlines and orbits at low rotational speeds.

      Petrochemical Industry
      Identifying rotor rub or misalignment in Ethylene Cracker Units and large compressor trains.

      Mining & Minerals
      Monitoring power systems of large Ball Mills or Mine Hoists to prevent mechanical fatigue failure.

      Pulp & Paper Industry
      Monitoring drive shafts of large Paper Machine Dryers to ensure synchronization of continuous production lines.
       When using the Bently Nevada 3500/25 module combination, ensuring hardware compatibility and firmware matching between the main and I/O modules, strictly verifying the sensor gap voltage to ensure accurate pulse triggering, periodically checking the physical contact of backplane connectors and electrostatic protection, and ensuring the Events per Revolution are correctly set in the configuration software to prevent nuisance system trips caused by signal errors.

      FAQ View All FAQ

      • What is the 3500/25 149369-01 135473-01?
        It is the Enhanced Keyphasor Module for the 3500 system. It consists of the 149369-01 (front processor) and 135473-01 (rear I/O module) to receive speed pulse signals.
      • What is the primary function of 3500/25 149369-01 135473-01?
        Its core function is to provide a synchronous reference signal (once-per-turn pulse) for measuring shaft speed and providing phase information for vibration analysis.
      • What do 149369-01 and 135473-01 refer to?
        149369-01 is the half-height processor module installed in the front; 135473-01 is the standard I/O module installed in the rear for physical wiring.
      • How many input signals does the 3500/25 149369-01 135473-01 support?
        Each module provides two channels, capable of receiving Keyphasor signals from two different sensors (such as proximity probes or magnetic pickups).
      • Which sensors are compatible with 3500/25 149369-01 135473-01?
        It is compatible with Proximity probes (Proximitor), Magnetic pickups, and certain optical sensors.
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