Overview
The module accepts signals from RTDs, potentiometers, thermocouples and mV sources. Each of the 16 input channels is isolated from the system and from each other, improving signal integrity and reducing interference.
General Information
Part Number: AAR145‑S00 S1
Manufacturer: Yokogawa Electric Corporation
Brand / Country of Origin: Yokogawa / Japan
Series: AAR145 Input Modules
Type: RTD/POT Input Module
Mounting: Rack or panel installation within Yokogawa system
Function: Converts sensor signals (RTD / POT / TC / mV) into digital process data for control systems
Power Specifications
Supply Voltage: ~5 V DC internal (module powered via rack)
Power Consumption: Approx. 1.75 W
Protection: Isolation between field and system, and between channels
Indicators: Channel fault detection and status monitoring
Communication & Interface
Interface Type: Rack backplane connection to Yokogawa I/O system
Input Channels: 16 isolated channels supporting RTD (e.g., Pt100), potentiometer (0–10 kΩ), thermocouple types J, K, E, T, etc., and mV inputs
Diagnostics: Each channel supports fault detection and output of status to system
Compatibility: Compatible with Yokogawa AAR145 series racks and modules
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 an enclosure)
Cooling: Passive (natural convection)
Dimensions & Weight
Dimensions (L × W × H): 130 × 127.2 × 32.8 mm
Weight: Approx. 0.30 kg



