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Yokogawa SAI143-H63/PRP Analog Input Module

  • Product Introduction: A 16-channel analog input module for Yokogawa’s CENTUM CS 3000 DCS, featuring high-precision measurement of process variables with PRP (Parallel Redundancy Protocol) for enhanced communication reliability.
  • Technical Specifications:
    • Number of Channels: 16 differential channels
    • Input Signal: 4-20mA DC, 0-10V DC (configurable per channel)
    • Measurement Accuracy: ±0.05% of full scale
    • Sampling Rate: 10 ms per channel

Detailed content

    • Isolation: Channel-to-channel isolation (500V AC), channel-to-backplane isolation (1500V AC)
    • Communication Protocol: PRP for redundant data transmission
    • Operating Temperature: -20 to 70°C
    • Power Supply: 24V DC (system backplane)
    • Weight: 0.4 kg
  • Functional Features:
    • PRP ensures continuous data transmission even if one communication path fails
    • Channel-wise configuration for mixed input types in a single module
    • Built-in diagnostic functions for sensor fault detection and calibration verification
    • High noise immunity for reliable operation in electrically noisy environments
    • Hot-swappable for easy replacement without process interruption
  • Application Scenarios: Oil and gas refineries, chemical processing plants, and power stations for monitoring pressure, temperature, flow, and level in critical process loops requiring high data availability.

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