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Yokogawa AAI841-H Analog Input/Output Module (HART-Enabled)
Product Introduction: A high-performance analog I/O module designed for Yokogawa CENTUM series DCS systems, featuring integrated HART communication capability. It provides 8 isolated analog input channels and 8 isolated analog output channels for 4–20 mA signals, enabling seamless integration with HART-enabled field instruments for advanced monitoring and control.
Technical Specifications:
- Input Channels: 8 channels, 4–20 mA DC, fully isolated
Detailed content
- Output Channels: 8 channels, 4–20 mA DC, fully isolated
- Isolation Voltage: 1500 V AC (channel-to-channel, channel-to-ground)
- HART Protocol: HART 5/6/7 compliant for digital communication
- Operating Temperature: -20°C to 70°C
- Power Consumption: Max 5 W
- Accuracy: ±0.05% of full scale
- Response Time: < 5 ms
- Communication: ESB bus for DCS integration, supports redundant configurations
Functional Features:
- HART communication enables remote configuration, calibration, and diagnostics of field devices
- Complete electrical isolation eliminates ground loops and signal interference
- High-precision signal conversion with long-term stability
- Built-in signal filtering and linearization for accurate measurements
- Support for redundant operation to ensure system reliability
- Easy installation and configuration with CENTUM VP/CS 3000 systems
- Robust construction for operation in harsh industrial environments
Application Scenarios:
- Process control in oil refineries, petrochemical, and chemical plants
- Power generation and distribution monitoring systems
- Water treatment and wastewater management
- Pharmaceutical manufacturing and batch process control
- Industrial boiler and furnace control systems
- Integration with HART-enabled transmitters for smart field device management
