Overview
The Yokogawa AAT141 is a 16-channel input module designed for thermocouple (TC) and millivolt (mV) signals. It enables accurate temperature and low-voltage measurement within industrial control systems.
General Information
Part Number: AAT141
Manufacturer: Yokogawa Electric Corporation
Brand / Country of Origin: Yokogawa / Japan
Series: AAT141
Type: TC/mV Input Module
Mounting: Rack or panel mounted in a Yokogawa I/O system
Function: Accepts thermocouple and millivolt inputs and converts them into digital data for process control
Power Specifications
Supply Voltage: Provided via system backplane
Power Consumption: Minimal (under ~2 W)
Protection: Channel-to-channel and channel-to-system isolation
Indicators: Module health and channel fault monitoring
Communication & Interface
Interface Type: Yokogawa I/O backplane connection
Input Channels: 16 isolated channels supporting TC types (J, K, E, B, R, S, T, N) and mV ranges (e.g., -100 to 150 mV)
Diagnostics: Includes fault detection for input channels
Compatibility: Compatible with Yokogawa I/O racks in the same series
Environmental
Operating Temperature: −20 °C to +70 °C
Storage Temperature: −40 °C to +85 °C
Humidity: Up to 95% RH, non-condensing
Protection Rating: IP20 (when mounted in enclosed cabinet)
Cooling: Passive (natural convection)
Dimensions & Weight
Dimensions (L × W × H): 32.8 × 130 × 107.5 mm
Weight: Approx. 0.20 kg
