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Yokogawa ASI133-S00 Analog Input Module
Product Introduction: An 8-channel analog input module with an integrated intrinsic safety barrier, designed for Yokogawa CENTUM VP FIO systems. It safely acquires 4–20 mA signals from field transmitters in hazardous areas, converting them to digital data for the control system.
Technical Specifications
- Input Channels: 8 channels, 4–20 mA DC
- Wiring: 2-wire or 4-wire field transmitters selectable
Detailed content
- Built-in Barrier: Intrinsic safety for use in hazardous locations
- Accuracy: ±16 µA
- Data Update Cycle: 10 ms
- Isolation: Galvanic isolation between field and system
- Power Consumption: 150 mA / 450 mA
- Operating Temperature: -20°C to +60°C
- Protection Rating: IP20
Key Features
- Integrated Safety Barrier: Eliminates need for external barriers, reducing wiring and cost.
- High-Speed Sampling: 10 ms update rate for real-time process control.
- Hazardous Area Compatibility: Intrinsic safety design for Zone 1/Division 1 applications.
- High Accuracy: Precise signal conversion ensures reliable process measurement.
- Flexible Wiring: Supports both 2-wire and 4-wire transmitter configurations.
- Robust Design: Built to withstand industrial shock, vibration, and temperature extremes.
- Easy Diagnostics: Comprehensive fault detection for field wiring and transmitters.
Applications
- Process monitoring in hazardous areas of oil refineries and chemical plants.
- Signal acquisition from field instruments in pharmaceutical manufacturing.
- Data collection in offshore platforms and FPSO vessels.
- Integration with safety instrumented systems (SIS).
- Monitoring of critical parameters in gas processing facilities.
