The Yokogawa SNT501-53 is an Optical ESB Bus Repeater Slave Module. It extends the range and reliability of ESB Bus communication in safety instrumented systems (SIS). Connect it to a Master Module or N-ESB Bus Module using fiber-optic cable to amplify the signal. This setup enables longer communication distances.

Key Features and Specifications

• Bus Type: ESB Bus
• Cable Type: Optical fiber
• Data Rate: Up to 1 Mbps
• Environmental: ISA Standard G3; temperature range of -20 to 70°C (for maintenance purposes)

Technical Details

• Nominal Tolerances: For dimensions over 0.5 mm and up to 120 mm, the tolerance is ±0.8 mm. For combined dimensions, the tolerance is ±1.5 mm.
• Shipping Weight: Approximately 3 kg

Benefits

• Extended Range: Achieves longer communication distances compared to standard ESB Bus configurations.
• Enhanced Reliability: Boosts the overall reliability of the ESB Bus network.
• Compatibility: Seamlessly integrates with other Yokogawa ESB Bus components.
• Rugged Design: Designed to withstand harsh industrial environments.

Applications

• Process Automation: Extends safety instrumented systems in various process industries.
• Oil and Gas: Used in oil and gas facilities for safety-critical applications.
• Power Generation: Ensures reliable and efficient operations in power plants.