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Yokogawa AAI143-S03

Product Introduction: A high-performance, isolated analog input module designed for Yokogawa’s CENTUM series DCS systems. It provides 16 channels of isolated 4–20 mA DC input, enabling accurate and reliable acquisition of analog process signals from field transmitters.

Technical Specifications:

  • Input Channels: 16 isolated analog input channels.
  • Input Signal: 4–20 mA DC (standard industrial process signal).
  • Isolation: Full galvanic isolation (2500 V AC) between channels and the DCS system.
  • Accuracy: ±0.1% of span for high-precision measurement.

Detailed content

  • Resolution: 16-bit analog-to-digital conversion.
  • Update Rate: Fast 100 ms data update cycle for real-time monitoring.
  • Power Consumption: 230 mA at 5 V DC; 540 mA at 24 V DC.
  • Termination: Pressure-clamp terminal block or MIL connector cable options.
  • Compatibility: Fully compatible with CENTUM CS 3000 and CENTUM VP DCS platforms.
  • Environmental Rating: G3 corrosive gas resistant, operating temperature -20°C to +70°C.

    Key Features:

  • 16-channel isolated design eliminates ground loops and ensures signal integrity.
  • High accuracy and stability for reliable process variable measurement.
  • Robust isolation protects the DCS from electrical faults in field wiring.
  • Flexible termination options for easy installation and maintenance.
  • Comprehensive self-diagnostic functions for predictive maintenance and fault detection.
  • Compact module design for efficient use of cabinet space.
  • Seamless integration with CENTUM DCS engineering tools for easy configuration.

    Applications:

  • Analog signal acquisition from flow, level, and pressure transmitters.
  • Temperature monitoring using 4–20 mA temperature transmitters.
  • Process monitoring and control in chemical, petrochemical, and refining plants.
  • Safety instrumented systems and critical process control applications.
  • Water treatment and environmental monitoring systems

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