The Yokogawa AAT145‑S03 is a high‑accuracyThermocouple/mV Input Module designed for precise temperature and low‑level voltage measurement in distributed control systems. With 16 isolated input channels, it ensures reliable signal acquisition and robust performance in demanding industrial environments.
Technical Specifications:
Manufacturer: Yokogawa
Model Number: AAT145‑S03
Product Type: TC/mV Analog Input Module
Input Channels: 16 isolated channels
Signal Types: Thermocouple (Types B, E, J, K, N, R, S, T) and millivolt inputs
Resolution: 16‑bit A/D conversion
Input Range: ±100 mV (mV mode), −200 °C to +1800 °C depending on TC type
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:
Furnace and reactor temperature monitoring
Low‑level voltage measurement in process control
Integration with Yokogawa CENTUM VP and ProSafe‑RS systems
FAQ:
Q: Can the AAT145‑S03 handle mixed thermocouple types simultaneously?
A: Yes, channels can be configured independently for different thermocouple types.
Q: What does the S03 suffix represent?
A: It designates a special configuration variant within the AAT145 series.
