Yokogawa AAI841-SS2
Product Introduction: A high-performance analog I/O module for Yokogawa’s CENTUM series DCS. It provides 8 channels of isolated 4–20 mA analog input and output, enabling precise process signal acquisition and control.
Technical Specifications:
- Input/Output Channels: 8-channel isolated analog input and 8-channel isolated analog output.
- Signal Type: 4–20 mA DC, standard industrial process signals.
- Isolation: 2500 V AC galvanic isolation between channels and system.
Detailed content
- Accuracy: ±0.1% of span for high-precision measurement and control.
- Update Rate: Fast 100 ms data update cycle.
- Compatibility: Fully compatible with CENTUM CS 3000 and CENTUM VP systems.
Key Features:
- Isolated channels eliminate ground loops and enhance noise immunity.
- High accuracy ensures reliable process measurement and control.
- Simultaneous input and output for integrated process control.
- Seamless integration with CENTUM DCS engineering tools.
- Built-in diagnostic functions for predictive maintenance.
- Robust design for continuous operation in industrial environments.
Applications:
- Analog signal acquisition and control in chemical and petrochemical plants.
- Flow, level, and pressure control loops in power generation facilities.
- Temperature monitoring and control in industrial furnaces.
- Safety instrumented systems and critical process control.
- Water treatment and environmental monitoring systems.












