Yokogawa AAI835-H00 Analog I/O Module
Product Introduction: A high-performance analog input/output module for Yokogawa’s CENTUM series DCS systems, featuring HART communication capability for advanced field device integration and diagnostics. It provides 4 isolated input and 4 isolated output channels for 4–20 mA signals.
Technical Specifications:
- Type: Analog Input/Output Module
- Input Channels: 4 channels, 4–20 mA DC, isolated
- Output Channels: 4 channels, 4–20 mA DC, isolated
Detailed content
- Isolation Voltage: 1500 V AC (channel-to-channel, channel-to-ground)
- HART Protocol: HART 5/6/7 compliant
- Operating Temperature: -20°C to 70°C
- Power Consumption: 4.5 W max.
- Dimensions: Standard DCS module form factor
Functional Features:
- HART communication enables remote configuration, monitoring, and diagnostics of field instruments
- High-precision signal conversion with low drift and high stability
- Complete channel-to-channel and channel-to-ground isolation prevents ground loops and interference
- Built-in fault detection and diagnostic functions for quick troubleshooting
- Compatibility with Yokogawa CENTUM VP and other DCS systems
- Support for redundant configurations for enhanced system reliability
Application Scenarios:
- Large-scale process automation in oil and gas refining
- Petrochemical and chemical processing plants
- Power generation and distribution control systems
- Water treatment and distribution networks
- Pharmaceutical manufacturing process control
- Industrial boiler and furnace control systems












