Yokogawa AST143-S00 TC/mV Input Module

Description

The Yokogawa AST143-S00 is a high-precision input module engineered for acquiring temperature and low-voltage signals in demanding industrial environments. Designed for seamless integration with Yokogawa’s DCS platforms, it supports multiple thermocouple types and millivolt sources with excellent signal integrity and fast data refresh.

Specifications

• Model: AST143-S00
• Input Channels: 16 (individually isolated)
• Input Types:
  • Thermocouples: B, E, J, K, N, R, S, T
  • Millivolt: ±100 mV typical
• Input Ranges:
  • Thermocouples: –200°C to +1500°C
  • RTDs: –200°C to +800°C
  • Thermistors: –50°C to +150°C
• Accuracy @ 23°C:
  • Thermocouples: ±40 μV
  • Millivolt: ±80 μV
• Drift (per 10°C):
  • Thermocouples: ±125 μV
  • Millivolt: ±250 μV
• Input Resistance: ≥1 MΩ
• Output Signal: 4–20 mA
• Communication Protocol: HART
• Isolation Voltage: 1500 V AC
• Power Supply: 24 V DC ±10%
• Current Consumption:
  • 150 mA @ 5 V DC
  • 80 mA @ 24 V DC
• Data Update Period: 10 ms
• Operating Temperature: –20°C to +70°C
• Dimensions: 120 × 100 × 39 mm
• Weight: 0.30 kg
• Hazardous Area Rating: Zone 2 / Division 2 compliant