Digital guide
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Yokogawa SB401-10 Safety Bus Interface Module
- Product Introduction: A safety bus interface module for Yokogawa’s safety instrumented systems, enabling communication between safety controllers and I/O modules with high availability for safety – critical applications.
- Technical Specifications:
- Communication: Safety bus, 1 Mbps
- Number of Ports: 2 (redundant)
- I/O Capacity: Up to 16 safety I/O modules
- Power: 24V DC, 3W
- Operating Temperature: -20 to 70°C
Detailed content
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- Protection Class: IP20
- Weight: 0.4 kg
- Safety Integrity Level: SIL 3 (IEC 61508)
- Functional Features:
- Redundant ports for high availability
- Fast data transfer for real – time safety control
- Built – in diagnostic for bus fault detection
- Hot – swappable for maintenance without shutdown
- Compatibility with SSC10S/D safety controllers
- Application Scenarios: Petrochemical plants, chemical facilities, and power stations for safety instrumented functions including emergency shutdown and fire & gas monitoring.
