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Yokogawa SEC402-51 ESB Bus Controller Module

  • Product Introduction: An ESB (Enhanced Serial Bus) controller module for Yokogawa’s SSC10S/D safety instrumented systems, enabling communication between safety controllers and I/O modules for functional safety applications.
  • Technical Specifications:
    • Communication Protocol: ESB bus, 1 Mbps data rate
    • Number of ESB Ports: 2 (redundant)
    • I/O Capacity: Supports up to 32 I/O modules
    • Power Supply: 24V DC, 3W power consumption

Detailed content

    • Operating Temperature: -20 to 70°C
    • Protection Class: IP20
    • Weight: 0.4 kg
  • Functional Features:
    • Redundant ESB ports for high availability in safety-critical systems
    • Fast data transfer for real-time safety control and monitoring
    • Built-in diagnostic tools for bus communication fault detection
    • Compatibility with Yokogawa’s SSC10S/D safety controllers
    • Hot-swappable for maintenance without system shutdown
  • Application Scenarios: Petrochemical refineries, chemical plants, and power generation facilities for safety instrumented functions (SIFs) including emergency shutdown and fire & gas monitoring.

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