The Yokogawa AAR181-S50, also cataloged as the AAR181-S50 RTD Input Module, is designed for high‑precision temperature measurement applications. It supports multiple RTD sensor inputs and provides isolated analog signal acquisition for integration into CENTUM VP and ProSafe‑RS systems.
Hardware Specifications
Manufacturer: Yokogawa
Product No.: AAR181-S50
Product Type: RTD Input Module
Model: AAR181 – Analog Input Module (16-channel, isolated)
Suffix Codes:
S = Standard type
5 = With no explosion protection
0 = Basic type
Input Signal: RTD sensor inputs converted to 4–20 mA analog signals
Channels: 16 isolated input channels
Shipping Weight: 1.5 Kg
System Compatibility: CENTUM VP and ProSafe‑RS
Functional Features
Isolation: Each channel is electrically isolated to prevent cross‑talk and ensure stable measurement.
Accuracy: High precision measurement suitable for industrial temperature monitoring.
Response Time: Fast signal acquisition for real‑time process control.
Integration: Seamlessly connects with Yokogawa DCS and safety systems.
Diagnostics: Provides input signal monitoring and fault detection.
Frequently Asked Questions (FAQ)
Q: How many channels does the AAR181-S50 support?
A: It supports 16 isolated RTD input channels.
Q: What does suffix code “5” indicate?
A: It specifies that the module has no explosion protection.
Q: Is the module compatible with ProSafe‑RS systems?
A: Yes. It integrates with both CENTUM VP and ProSafe‑RS platforms.
