YOKOGAWA AST143-S00 TC/mV Input Module

Product Overview

• TC/mV input module designed for precise temperature and millivolt signal acquisition

• Supports up to 16 input channels for thermocouples and millivolt sources

• Ensures high signal integrity with built-in isolation and 1500 V AC withstand voltage

• Seamlessly integrates with Yokogawa DCS systems for industrial automation

• Ideal for process industries requiring accurate thermal monitoring and control

• Compact and lightweight: 120 × 100 × 39 mm, 0.30 kg

• Built-in reference junction compensation for thermocouple accuracy

Technical 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

• Accuracy at 23°C:

• TC: ±40 μV

• mV: ±80 μV

• Drift (Ambient Temp):

• TC: ±125 μV/10°C

• mV: ±250 μV/10°C

• Input Resistance: ≥ 1 MΩ

• Output: 4–20 mA

• Communication: HART protocol

• Isolation: 1500 V AC between circuits and channels

• Power Supply: 24 VDC ±10%

• Current Consumption:

• 150 mA at 5 V DC

• 80 mA at 24 V DC

• Data Update Period: 10 ms

• Operating Temperature: -20°C to +70°C

• Weight: 0.30 kg