Yokogawa AAT145-S00 Thermocouple/mV Input Module

Overview

The Yokogawa AAT145-S00 is a Thermocouple/mV Input Module designed for accurate temperature measurement in industrial automation systems. This module interfaces with a wide range of temperature sensors, including thermocouples, mV signals, RTDs, and potentiometers, providing reliable data to control systems. It is suitable for applications in process control, safety instrumented systems (SIS), and distributed control systems (DCS), where precise temperature monitoring and control are essential.

Technical Specifications

• Part Number: AAT145-S00
• Weight: 0.70 lbs
• Category: PLCs/Machine Control
• Subcategory: PLC Module/Rack

Electrical Specifications

• Allowable Input Voltage: ±5 V
• Input Resistance:
  • Power ON: ≥1 MΩ
  • Power OFF: ≥1 MΩ
• Maximum Current Consumption: 350 mA (5 V DC)

Signal and Input Types

• Supported Signal Types:
  • Thermocouples (Types J, K, T, E, R, S, B, N)
  • mV signals
  • RTD (Resistance Temperature Detector) and Potentiometer inputs (selectable for each channel)
• Input Channels: 16 isolated input channels

Accuracy and Performance

• Accuracy:
  • Thermocouple: ±40 µV
  • RTD: ±150 mΩ
  • Potentiometer: ±0.2 % of full scale
• Reference Junction Compensation Accuracy: ±1°C
• Burn-out Detection: Settable for all channels, detection time of 60 seconds
• Temperature Drift:
  • TC: ±80 µV/10 °C
  • RTD: ±0.3 Ω/10 °C
  • Potentiometer: ±0.4 %/10 °C