EPRO MMS3125/022-020

  • Product Name: MMS3000 Series Dual-Channel Eddy Current Transducer Front-End Module
  • Product Introduction: Rack-mounted module processing signals from eddy current proximity probes (e.g., PR642x) to measure radial shaft vibration and axial position (gap voltage) on rotating machinery.
Category:
Description
  • Technical Specifications & Performance Parameters:
    • Channels: 2 independent
    • Input: Proximity probe + extension cable driver system
    • Dynamic Range: Typically 0–100 µm pp (vibration)
    • Gap Voltage: -2 V to -18 V DC (std for 8mm probes)
    • Frequency Response: 0.5 Hz – 3000 Hz
    • Outputs: 2 x isolated 4–20 mA (dynamic + static/gap), 0–10V options
    • Relays: Alert/Danger per channel
    • Power: 24 V DC
  • Functional Features: Continuous probe health diagnostics (open/short); Software configurable gain/range; Buffers for raw signal tap; Modular 19-inch rack compatibility.
  • Material & Structural Characteristics: PCB with precision instrumentation amplifiers; Front panel LEDs for OK/Alarm; Gold-plated backplane contacts.
  • Working Principle: Supplies regulated current to probe driver; Measures AC component (vibration) and DC component (gap) of probe impedance change; Linearizes signal to engineering units.
  • Installation Requirements: Match module order code to probe/cable system (e.g., 5m cable); Seat firmly in MMS3000 rack; Ensure probe is properly mounted at correct gap distance before powering.
  • Usage Precautions: Mismatched probe/cable calibration causes severe reading errors; Keep probe cables away from high voltage/power lines to prevent induced noise; Verify gap voltage before arming protection logic.
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