Yokogawa AAR181-S50 RTD Input Module 12 Channels Pt100

Yokogawa AAR181-S50 RTD Input Module

The Yokogawa AAR181-S50 is an RTD input module. It provides 12 individually isolated input channels. This module measures Pt100 temperature sensors for process control applications.

Technical Specifications

• Brand Yokogawa
• Model AAR181-S50
• Product Weight 0.2 kg
• Input Channels 12 individually isolated
• Input Type RTD: Pt100 (3-wire)
• Allowable Input Voltage ±5 V
• Withstanding Voltage 1500 VAC for 1 minute
• Input Resistance ≥2 MΩ (Power ON/OFF)
• Accuracy ±120 mΩ (RTD)
• Measurement Current 1 mA (RTD)
• Temperature Drift ±120 mΩ/10°C
• Data Update 1 second (all channels)
• Burn-out Detection Optional (UP/DOWN), 60 seconds
• Current Consumption 450 mA at 5V DC max
• Connection Pressure clamp terminal

Key Features

• 12-Channel Input 12 isolated RTD measurement points
• High Accuracy ±120 mΩ precision for Pt100 sensors
• Safety Isolation 1500 VAC withstand voltage
• Lightweight 0.2 kg compact module design
• Fast Update 1-second scan time for all channels
• Burn-out Detection Optional sensor failure detection
• Low Power 1 mA measurement current per sensor

Installation

• Install in compatible Yokogawa I/O unit
• Connect Pt100 sensors to pressure clamp terminals
• Use proper 3-wire configuration for each channel
• Ensure wiring complies with ±5V input limits
• Configure burn-out detection if required

Packaging

• One AAR181-S50 RTD Input Module
• Shipping weight: 0.5 kg
• Shipped via FedEx UPS DHL

FAQ

How many input channels does this module have?

The AAR181-S50 has 12 individually isolated RTD input channels.

What is the weight of the module?

It weighs 0.2 kg.

What type of RTD sensor does it support?

It supports 3-wire Pt100 resistance temperature detectors (RTDs).