The Yokogawa AAR145‑S00 is a high‑performance RTD/Potentiometer Input Module engineered for precise temperature and resistance measurement in distributed control systems. Designed for seamless integration with Yokogawa’s CENTUM VP and ProSafe‑RS platforms, it ensures reliable data acquisition with robust isolation and accuracy.
Technical Specifications:
Manufacturer: Yokogawa
Model Number: AAR145‑S00
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
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 plants
Resistance‑based actuator and valve position sensing
Integration with Yokogawa DCS/PLC systems
FAQ:
Q: Can the AAR145‑S00 handle mixed RTD and potentiometer inputs simultaneously?
A: Yes, channels can be configured independently for RTD or potentiometer signals.
Q: Is calibration required?
A: Factory calibration ensures accuracy; field calibration is optional for fine‑tuning.
