The Yokogawa AAV144 is a high-precision analog input module designed for use in industrial automation systems. As part of the Centum VP distributed control system (DCS), it provides reliable and accurate signal processing, making it ideal for various process industry applications. The module offers 16 isolated input channels and supports a wide range of input signal types, ensuring versatility in handling different measurement needs.

Technical Specifications

• Model: AAV144
• Input Channels: 16 isolated channels
• Input Signal: 1 to 5 V, -10 to 10 V
• Switching Input Signals: Configurable for channels CH1 to CH16
• Allowable Input Voltage: ±30 V
• Withstanding Isolated Voltage: 1500 V AC for 1 minute (between input and system)

Electrical Characteristics

• Input Resistance:
  • 1 MΩ (Power ON)
  • 200 kΩ (Power OFF)
• Accuracy:
  • ±4 mV to ±20 mV
• Data Update Period: 10 ms
• Drift Due to Ambient Temperature:
  • ±4 mV/10°C to ±20 mV/10°C
• Maximum Current Consumption: 500 mA (5 V DC)

Mechanical Specifications

• Weight: 0.2 kg
• External Communication:
  • Pressure clamp terminal
  • MIL connector cable
  • Dedicated cable (KS1)