Yokogawa AST143-S00 TC/mV Input Module

Description

The Yokogawa AST143-S00 is a high-precision TC/mV input module designed for industrial temperature and signal monitoring. It supports multiple sensor types and delivers accurate analog output for control systems.

Specifications

• Manufacturer: Yokogawa

• Product Type: TC/mV Input Module

• Input Types: Thermocouple (TC), Millivolt (mV)

• Number of Channels: 16

• Input Range:

  • Thermocouples: –200 to 1500°C

  • RTDs: –200 to 800°C

  • Thermistors: –50 to 150°C

• Output: 4 to 20 mA

• Accuracy: ±0.2% of span

• Accuracy at 23°C:

  • TC: ±40 μV

  • mV: ±80 μV

• Communication Protocol: HART

• Withstanding Voltage: 1500 V AC between circuits and channels

• Input Resistance: ≥ 1 MΩ (Power ON/OFF)

• Data Update Period: 10 ms

• Reference Junction Compensation: Integrated, ±1°C accuracy (Type B exceptions below 44°C)

• Drift Due to Ambient Temperature:

  • TC: ±125 μV/10°C

  • mV: ±250 μV/10°C

• Power Supply: 24 VDC ±10%

• Maximum Current Consumption: 150 mA at 5V DC, 80 mA at 24 V DC

• Operating Temperature: –20 to 70°C

• Dimensions: 120 × 100 × 39 mm

• Weight: 0.30 kg

Features

• Multi-Sensor Support: Handles TC, RTD, and thermistor inputs for versatile temperature monitoring

• High Accuracy: ±0.2% span with low drift and precise compensation

• Fast Response: 10 ms data update for real-time control

• HART Communication: Enables diagnostics and remote configuration

• Electrical Isolation: 1500 V AC withstand between circuits and channels

• Compact Design: Space-efficient module for dense installations

• Stable Performance: Maintains signal integrity across wide temperature ranges

• Industrial Reliability: Built for demanding environments and continuous operation