Overview
The Yokogawa AAR145‑S50 is a 16‑channel input module designed for RTD (Resistance Temperature Detector) and potentiometer signals in industrial control systems. It features full channel isolation and reliable signal processing for automation applications.
General Information
Part Number: AAR145‑S50
Manufacturer: Yokogawa Electric Corporation
Brand / Country of Origin: Yokogawa / Japan
Series: AAR145
Type: RTD/POT Input Module
Mounting: Rack‑ or panel‑mounted within Yokogawa control system
Function: Receives and isolates RTD or potentiometer signals, converting them into process data for the control system.
Power Specifications
Supply Voltage: Powered through system backplane (typically 5 V internal logic)
Power Consumption: Low (under approximately 2 W)
Protection: Isolation between channels and from system bus for signal integrity
Indicators: Channel‑fault detection and module status indicators
Communication & Interface
Interface Type: Yokogawa I/O backplane connection
Input Channels: 16 isolated channels supporting RTD (e.g., Pt100) and potentiometer (e.g., 0‑10 kΩ) inputs
Diagnostics: Supports per‑channel fault detection and system diagnostics
Compatibility: Compatible with Yokogawa AAR145 series I/O 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 (installed within enclosed cabinet)
Cooling: Passive (natural convection)
Dimensions & Weight
Dimensions (L × W × H): 130 × 127.2 × 32.8 mm
Weight: Approx. 0.30 kg
