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• Here is a detailed technical parameter specification for the MMS6220 EMERSON Measurement Module in English, formatted for clarity and technical accuracy:

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  EMERSON MMS6220 Dual-Channel Shaft Eccentricity Measurement Module

  Technical Specifications

  1. MMS6220 General Overview

  • Model: MMS6220
  • Manufacturer: EMERSON (EPRO series)
  • Application: Designed for real-time monitoring of shaft eccentricity in rotating machinery (e.g., turbines, compressors, generators).
  • Channels: Dual independent channels for redundant or comparative measurements.

  2. MMS6220 Input Specifications

  • Sensor Compatibility:
    • Supports Eddy Current Proximity Sensors (e.g., PR642X series by EPRO or equivalent).
    • Input voltage range: -1 V to -22 V DC (for sensor excitation).
  • Signal Inputs:
    • SENS 1H/L (Channel 1) and SENS 2H/L (Channel 2) for dual-sensor inputs.
    • Keyphasor Input: 24 V logic pulse input (minimum 10 μs duration, >30 kΩ impedance) for phase reference.
    • 

  3. MMS6220 Output Specifications

  • Analog Outputs:
    • Current Output (4–20 mA):
      • Two independent outputs (one per channel).
      • Load capacity: <500 Ω.
      • Accuracy: ±1% of full scale.
      • Time constant: 0–10 s (user-configurable per channel).
    • Voltage Output (0–10 V DC):
      • Two independent outputs (one per channel).
      • Load capacity: >10 kΩ.
  • Dynamic Signal Output:
    • AC Output (0–20 Vpp):
      • Proportional to the measured eccentricity signal.
      • Frequency range: 0–5 kHz (±20% at 3 dB).
• 

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