Yokogawa AST143-S00 TC/mV Input Module

Overview

The Yokogawa AST143-S00 TC/mV Input Module measures temperature and millivolt signals in industrial automation systems. It delivers high accuracy and signal isolation for dependable data acquisition. This module supports up to 16 channels and integrates seamlessly with Yokogawa DCS systems. Additionally, it suits precise temperature control in various process industries.

Technical 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

• Isolation: Built-in isolated barrier

• 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 5 V DC, 80 mA at 24 V DC

• Operating Temperature: -20 to 70 °C

• Dimensions: 120 × 100 × 39 mm (W × H × D)

• Weight: 0.30 kg