Yokogawa AST143-S00 TC/mV Input Module

Description

This AST143-S00 module supports up to 16 channels, providing reliable signal isolation and fast data updates. It is optimized for temperature control in various industries, including power generation, oil & gas, and manufacturing.

Specifications

• 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

• Communication Protocol: HART

• Isolation: Built-in isolated barrier

• Withstanding Voltage: 1500V AC between circuits and channels

• Input Resistance: ≥ 1 MΩ

• Data Update Period: 10 ms

• Reference Junction Compensation: ±1°C accuracy

• Drift Due to Ambient Temperature:

  • TC: ±125 μV/10°C

  • mV: ±250 μV/10°C

• Power Supply: 24V DC ±10%

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

• Operating Temperature: -20 to 70°C

• Dimensions: 120 × 100 × 39 mm

• Weight: 0.30 kg

Key Features

• High-Accuracy Measurement: Ensures precise temperature control in industrial applications.

• Fast Data Processing: 10 ms update period for real-time monitoring.

• Robust Signal Isolation: 1500V AC isolation protects against electrical noise.

• Integrated Reference Junction Compensation: Improves measurement stability.

• Wide Compatibility: Seamlessly integrates with Yokogawa DCS systems.