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Yokogawa AAI143-S Analog Input Module
Product Introduction: A high-density, 16-channel isolated analog input module for Yokogawa CENTUM series DCS systems. It is designed to accurately acquire 4–20 mA current signals from field transmitters, providing reliable data for process monitoring and control.
Technical Specifications:
- Number of Channels: 16 isolated analog input channels
- Input Signal: 4–20 mA DC
- Maximum Input Current: 24 mA
Detailed content
- Isolation Voltage: ≥500 V AC (channel-to-ground)
- Input Impedance: 250 Ω (internal)
- Accuracy: ±0.05% of full scale
- Operating Temperature: -20°C to 70°C
- Power Consumption: 230 mA (5 V DC), 540 mA (24 V DC)
- Terminal Type: Pressure-clamp terminals or MIL connectors
Functional Features:
- 16-channel isolation prevents cross-talk and ground loop issues.
- High accuracy ensures reliable process variable measurement.
- Robust construction for operation in harsh industrial environments.
- Easy configuration and integration with CENTUM VP/CS 3000 DCS systems.
- Built-in signal filtering for stable and accurate measurements.
- Low power consumption for energy-efficient operation.
- Compact design for high-density I/O configurations.
Application Scenarios:
- Multi-point process monitoring in chemical and petrochemical plants.
- Temperature, pressure, and flow measurement in power plants.
- Level and quality monitoring in water treatment systems.
- Data acquisition in pharmaceutical and food processing industries.
- Remote monitoring applications in industrial automation.
- Distributed control systems requiring high-channel-density analog inputs.
