Yokogawa AAR181-S50 S2 Analog Input Module

Overview

The Yokogawa AAR181-S50 S2 is a high-precision analog input module for temperature measurement. It supports CENTUM VP and ProSafe-RS control systems. This module accepts RTDs, thermocouples, and custom mV sensors. It provides reliable, accurate, and fast temperature readings across multiple channels. The robust design ensures performance in industrial environments.

Technical Specifications

• Model Number: AAR181-S50 S2

• Module Type: Analog Input Module (RTD/TC/mV)

• Number of Channels: 12 isolated input channels

• Supported Input Types:

• RTD: Pt100, Pt1000 (JIS C1604:1997, IEC751:1995)

• Thermocouple: Types K, J, T, and others

• mV signals for custom temperature sensors

• Input Range:

• RTD: −200°C to +850°C

• Thermocouple: −200°C to +1750°C

• Measurement Accuracy:

• RTD: ±0.1% of reading

• Thermocouple: ±0.2% of reading

• Measurement Current (RTD): 1 mA

• Allowable Input Voltage: ±5 V

• Withstanding Voltage: 1500 V AC for 1 minute between input and system

• Temperature Drift: ±120 mΩ per 10°C (RTD input)

• Burn-out Detection: Configurable for all channels, detection time 60 seconds

• Power Consumption: Max 450 mA @ 5 V DC

• External Connection: Pressure clamp terminal

• Module Compatibility: Yokogawa CENTUM VP

• Input Signal Types:

• DC voltage: 1 to 5 V, 0 to 10 V, etc.

• DC current: 4 to 20 mA, 0 to 20 mA, etc.

• Input Impedance:

• Voltage: 1 MΩ minimum

• Current: 250 Ω ±0.1%

• Isolation: Channel-to-channel and channel-to-earth

• Operating Temperature: −20 to 70°C (−4 to 158°F)

• Dimensions: 3.8 cm × 13.3 cm × 10.8 cm

• Weight: 0.4 kg