Yokogawa SAI143-H63 Analog Input Module

Description

The Yokogawa SAI143-H63 is a high-performance analog input module designed for use in ProSafe-RS and CENTUM VP distributed control systems. It features 16 isolated current input channels and supports precise signal acquisition for safety-critical and process automation applications.

Specifications

• Model: SAI143-H63
• Module Type: Analog Current Input
• Number of Channels: 16 (with module isolation)
• Rated Input Range: 4 to 20 mA
• Permissible Input Range: 0 to 25 mA
• Input Impedance (Power ON): 250 Ω + current value
• Input Impedance (Power OFF): ≥500 kΩ
• Rated Accuracy: ±16 μA (0.05 to 23 mA range)
• Temperature Drift: ±16 μA per 10°C
• Data Update Frequency: 40 ms
• Transmitter Power Supply:
  • Minimum: 16.15 V @ 20 mA
  • Maximum: 26.4 V @ 0 mA
  • Output Current Limit: 25 mA
• 2/4-Wire Setting: Individually configurable via setting pins
• Withstand Voltage: 1.5 kV AC (input to system, 1 min)
• Current Consumption:
  • 5 V system: 320 mA
  • 24 V system: 550 mA
• Weight:
  • ~0.34 kg (pressure clamp or MIL cable)
  • ~0.39 kg (with signal cable adapter)
• External Connections: Pressure clamp terminal, MIL cable, or dedicated signal cable
• PRM Support: Available
• Safety Note: Zener barriers not supported; use isolation barriers for intrinsic safety systems