Yokogawa AAI143-H50 Current Input Module

Main Features

• 16 isolated input channels
• 4-20mA input signal
• HART communication support
• Fast 10ms update speed

Technical Specifications

• Model: AAI143-H50
• Max input current: 24 mA
• Accuracy: ±16 µA
• Voltage protection: 1500V AC (1 minute)

Electrical Details

• Input resistance:
  • Power ON: 270Ω (20mA) to 350Ω (4mA)
  • Power OFF: 500kΩ+
• Power use:
  • 230mA (5V DC)
  • 540mA (24V DC)

Transmitter Support

• Power supply: 19.0V+ (at 20mA)
• Max voltage: 25.5V (at 0mA)
• Wiring options: 2-wire or 4-wire (per channel)

Physical Details

• Weight: 0.3 kg
• Temperature drift: ±16µA per 10°C
• Connections: Pressure clamp, MIL cable, KS1 cable

Model Codes

• -H: HART communication
• 5: No explosion protection
• 0: Basic model type