Overview
The Yokogawa AAR181-S00 is a 16-channel RTD input module designed for precision temperature measurement. It delivers isolated signal processing and is suitable for demanding automation environments.
General Information
Part Number: AAR181-S00
Manufacturer: Yokogawa Electric Corporation
Brand / Country of Origin: Yokogawa / Japan
Series: AAR181
Type: RTD Input Module
Mounting: Rack or panel installation within Yokogawa control system
Function: Receives RTD (e.g., Pt100) inputs, provides isolated conversion to digital data
Power Specifications
Supply Voltage: Supplied via system backplane
Power Consumption: Low (typically under ~2 W)
Protection: Isolation between channels and terminal-to-system protection
Indicators: Module health and channel fault support
Communication & Interface
Interface Type: Backplane I/O connection within Yokogawa system
Input Channels: 16 individually isolated RTD inputs
Diagnostics: Supports per-channel fault detection and overall module status
Compatibility: Compatible with Yokogawa AAR181 series racks and system 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 enclosure
Cooling: Passive (natural convection)
Dimensions & Weight
Dimensions (L × W × H): 107.5 × 130 × 32.8 mm
Weight: Approx. 0.20 kg



