The Yokogawa AAR145‑S03 is aRTD/Potentiometer Input Module engineered for precise temperature and resistance measurement in distributed control systems. Featuring 16 isolated input channels, it provides high‑accuracy data acquisition and robust performance for industrial automation environments.
Technical Specifications:
Manufacturer: Yokogawa
Model Number: AAR145‑S03
Product Type: RTD/Potentiometer Analog Input Module
Input Channels: 16 isolated channels
Signal Types: RTD (Pt100, Pt1000, Ni100, Cu10) and potentiometer inputs
Resolution: 16‑bit A/D conversion
Input Range: −200 °C to +850 °C (RTD), 0–10 kΩ (potentiometer)
Accuracy: ±0.1% of full scale
Temperature Drift: ≤ 50 ppm/°C
Update Rate: 100 ms typical
Isolation: Channel‑to‑channel and channel‑to‑system isolation
Suffix Code S03: Special configuration variant
Power Supply: 24 VDC nominal
Current Consumption: Approx. 200 mA
Operating Temperature: −20 °C to +60 °C
Shipping Weight: 1.5 kg
Applications:
Temperature monitoring in process industries
Resistance‑based actuator and valve position sensing
Integration with Yokogawa CENTUM VP and ProSafe‑RS systems
FAQ:
Q: Can the AAR145‑S03 handle mixed RTD and potentiometer inputs simultaneously?
A: Yes, channels can be configured independently for RTD or potentiometer signals.
Q: What does the S03 suffix represent?
A: It designates a special configuration variant within the AAR145 series.
