Overview
The Yokogawa AAT141‑S50 is a 16‑channel isolated input module that processes thermocouple (TC) and millivolt (mV) signals. It allows flexible configuration and high‑precision measurement for industrial process monitoring.
General Information
Part Number: AAT141‑S50
Brand / Country of Origin: Yokogawa / Japan
Product Type: TC/mV Input Module
Application: Temperature and low‑voltage signal acquisition in industrial automation systems
Power Specifications
Supply Voltage: Supplied by system backplane
Input Signal Types: Thermocouples of types J, K, E, B, R, S, T, N and mV ranges from –100 to +150 mV or –20 to +80 mV
Isolation: 1500 V AC between input channels and system
Weight: Approx. 0.2 kg
Communication & Interface
Interface Type: Rack‑mounted module connection
Channels: Sixteen individually isolated input channels
Diagnostics: Channel fault detection with status indication
Compatibility: Works with Yokogawa field I/O racks and redundant configurations
Environmental
Operating Temperature Range: –20 °C to +70 °C
Storage Temperature Range: –40 °C to +85 °C
Humidity: Up to 95% RH, non‑condensing
Protection Rating: IP20 when installed in an enclosure
Dimensions & Weight
Dimensions (L × W × H): 107.5 × 130 × 32.8 mm
Weight: Approx. 0.20 kg



