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Yokogawa SAI143-HEC
Product Introduction: A high-density analog input module for Yokogawa DCS systems, supporting 4–20 mA input signals with HART communication and full galvanic isolation.
Technical Specifications:
- Input Channels: 16 isolated channels
- Input Signal: 4–20 mA DC (2-wire/4-wire)
Detailed content
- Isolation Voltage: 1500 V AC (1 minute) between input and system
- Data Update Cycle: 40 ms for all channels
- Accuracy: ±0.1% of full scale
- HART Protocol: Support for HART 5/6/7 communication
- Transmitter Power: Built-in 24 V DC power for 2-wire transmitters
- Operating Temperature: -20°C to 70°C (ISA G3 compliant)
- Terminal Type: Screw terminals for secure wiring
- Certifications: CE, CSA, ATEX (optional)
Functional Features:
- Full galvanic isolation prevents ground loops and signal interference
- HART communication enables access to field device diagnostics and parameters
- Simultaneous power supply for 16 2-wire transmitters
- High-density design maximizes cabinet space utilization
- Compatibility with CENTUM VP/CS 3000 DCS platforms
- Built-in over-voltage and short-circuit protection
Application Scenarios: Connecting HART-enabled transmitters in oil & gas, chemical, pharmaceutical, and power generation industries.
