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Yokogawa AV550G‑B‑A6‑E‑1‑A

  • Product Name: Field Control Station I/O Module, AV550G Series
  • Product Brief: Yokogawa CENTUM VP DCS system analog/digital mixed I/O module, provides signal acquisition and output functions for process control systems.
  • Technical Specifications:
    • I/O Type: Mixed analog input/output and digital input/output channels
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Detailed content

    • Signal Range: 4–20 mA, 0–10 VDC digital contact signals
    • Isolation: Channel‑to‑channel galvanic isolation
    • Power Supply: Supplied by DCS backplane bus
    • Bus Interface: Yokogawa proprietary control bus protocol
  • Functional Features: Signal filtering, over‑voltage protection, short‑circuit protection, channel fault diagnosis, hot‑swappable operation
  • Performance Parameters: Signal sampling accuracy = ±0.03% FS, response time <50 ms, operating temperature = 0–60 °C, EMC compliance with IEC 61000‑6‑2
  • Material Composition: Industrial PCB with anti‑corrosive coating, die‑cast aluminum frame, flame‑retardant plastic connectors
  • Structural Characteristics: Rack‑mounted modular design, backplane bus connection, front‑panel LED status indicators, channel‑independent wiring terminals
  • Working Principle: Acquires analog/digital field signals, processes via built‑in signal conditioning circuits, transmits data to DCS CPU unit via backplane bus, executes control output commands
  • Advantage Highlights: High channel integration, high‑speed signal processing, excellent electromagnetic compatibility, modular expandability, high system reliability
  • Applicable Industries: Large‑scale petrochemical plants, thermal power generation, nuclear power auxiliary systems, water resource engineering, metallurgical automation
  • Model Series: AV550G series DCS I/O modules
  • Installation Requirements: Installed in standard Yokogawa DCS control rack, maintain cabinet ventilation and temperature control, separate high‑power and low‑signal wiring
  • Usage Precautions: Power off backplane bus before hot‑swap maintenance; strictly follow grounding specifications; avoid vibration and impact on rack equipment

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