Yokogawa AAT145-S50
Product Introduction: A high-density, isolated analog input module designed for Yokogawa’s CENTUM series distributed control systems (DCS). It provides accurate measurement of thermocouple and millivolt signals, enabling reliable temperature and low-level voltage monitoring in industrial processes.
Technical Specifications:
- Input Channels: 16 isolated input channels.
- Input Types: Thermocouples (J, K, T, E, R, S, B) and DC millivolt signals.
- Isolation: 2500 V AC galvanic isolation between channels and the DCS system.
- Accuracy: High-precision measurement with ±0.1% of span accuracy.
Detailed content
- Resolution: 16-bit analog-to-digital conversion for detailed signal capture.
- Data Update Cycle: Fast 100 ms update rate for real-time process monitoring.
- Compatibility: Fully compatible with CENTUM CS 3000 and CENTUM VP DCS platforms.
- Environmental Rating: G3 corrosive gas resistant, operating temperature -20°C to +70°C.
Key Features:
- 16-channel high density for efficient space utilization in DCS cabinets.
- Universal thermocouple support for diverse temperature measurement applications.
- Isolated inputs eliminate ground loops and ensure signal integrity in noisy environments.
- High accuracy and stability for reliable process monitoring and control.
- Easy configuration via CENTUM DCS engineering tools, reducing setup time.
- Built-in diagnostic functions for quick troubleshooting and predictive maintenance.
- Robust design for 24/7 operation in harsh industrial environments.
Applications:
- Multi-point temperature monitoring in chemical, petrochemical, and refining plants.
- Furnace, reactor, and heat exchanger temperature control in manufacturing processes.
- Industrial process temperature profiling and quality control.
- Environmental and emissions monitoring systems for compliance.
- Power plant boiler, turbine, and generator temperature measurement.












