Yokogawa AAT141-S00 16-Channel TC/mV Input Module

The Yokogawa AAT141-S00 is a TC/mV input module specifically designed for use in industrial control systems. It supports signals from thermocouples (TC) and millivolt (mV) sources, making it ideal for a wide range of temperature and voltage measurement applications. This module seamlessly integrates with larger control systems, such as PLCs and DCSs, providing accurate and reliable signal input for effective process control. Its high precision and versatility make it a perfect solution for various industrial environments.

Key Features

16 Isolated Input Channels:
The AAT141-S00 offers 16 independent, isolated input channels for simultaneous monitoring of multiple sensors. This feature improves measurement accuracy by preventing signal interference between channels.
Signal Type Support:
This module is compatible with thermocouples (TC) of types J, K, E, B, R, S, T, and N, making it versatile for various industrial applications. Additionally, it supports millivolt (mV) signals in the ranges of -100 mV to 150 mV and -20 mV to 80 mV.
RTD Compatibility:
The AAT141-S00 is also compatible with Pt100 (3-wire) RTDs, providing further flexibility in temperature measurement.
High Accuracy:
The module delivers ±30 μV accuracy for TC signals and ±80 μV for mV signals within the span of -100 mV to 150 mV. It also ensures ±30 μV accuracy for the range of -20 mV to 80 mV, making it reliable for precise temperature and voltage measurements.
Input Resistance:
The AAT141-S00 offers an input resistance of 2 MΩ or larger when powered on, ensuring stable signal processing and minimal interference.
Burn-out Detection:
The module includes burn-out detection for thermocouple failures, ensuring that the system remains continuously monitored and alerting users to any sensor malfunctions or failures.
Wide Range of Resistance:
The AAT141-S00 can handle a maximum total resistance of 1000 Ω (or less) for TC/mV signals, and up to 40 mΩ per wire for RTD connections, ensuring compatibility with various sensor configurations.

Technical Specifications

Parameter	Value
Model	AAT141-S00
Input Channels	16 isolated input channels
Signal Types	Thermocouples (TC): Types J, K, E, B, R, S, T, N
	Millivolt (mV): -100 mV to 150 mV, -20 mV to 80 mV
	RTD: Pt100 (3-wire type)
Accuracy	TC: ±30 μV
	mV: ±80 μV (for -100 mV to 150 mV), ±30 μV (for -20 mV to 80 mV)
	RTD: ±120 mΩ
Input Resistance	Power ON: 2 MΩ or larger
	Power OFF: 2 MΩ or larger
Allowable Total Resistance	TC/mV: 1000 Ω or less
	RTD: 40 mΩ or less per wire
Burn-out Detection	Yes, detects thermocouple failures
Data Update Period	1 second
Operating Temperature Range	-20°C to +60°C
Weight	0.3 kg