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Yokogawa AAI835-H50 (Isolated Analog I/O Module with HART)
Product Introduction: A 4-channel isolated analog input/output module supporting HART communication, designed for Yokogawa DCS systems to interface with intelligent field devices.
Technical Specifications:
- Input/Output Channels: 4 isolated input + 4 isolated output channels
- Signal Type: 4–20 mA DC
Detailed content
- Isolation Voltage: 2,500 Vrms between channels and system
- Accuracy: ±0.1% of full scale
- Data Update Rate: 10 ms
- Communication: HART protocol support
- Power Supply: 24 VDC
- Operating Temperature: -20°C to 70°C
- Certifications: CE, CSA, ISA G3
Functional Features:
- Full galvanic isolation prevents ground loops and signal interference
- HART communication enables access to field device diagnostics and parameters
- Hot-swappable design for maintenance without system shutdown
- Compatibility with Yokogawa CENTUM VP and other DCS platforms
- Built-in over-current and short-circuit protection
Application Scenarios: Connecting HART-enabled transmitters, valves, and instruments in process control systems for oil & gas, chemical, pharmaceutical, and power generation industries.
