Yokogawa SEC402-51 S1 ESB Bus Coupler Module

The Yokogawa SEC402-51 S1 ESB Bus Coupler Module is an enhanced communication interface designed to connect the Ethernet Safety Bus (ESB) network within Yokogawa’s distributed control and safety systems. It enables seamless, high-speed communication between field devices and control systems such as CENTUM VP and ProSafe-RS.

This module offers improved performance and reliability by supporting deterministic data transfer essential for safety-critical processes. Its compact design facilitates easy integration into Yokogawa’s rack-mounted systems, making it suitable for industries requiring stringent safety standards and efficient data handling.

Product Specifications

Applications

The SEC402-51 S1 module is widely applied across industries where safety and communication reliability are critical:

• Chemical and Petrochemical Plants: Ensures safe, fault-tolerant communication in complex process control environments.

• Safety Instrumented Systems (SIS): Supports SIL 3 rated systems requiring deterministic Ethernet communication.

• Power Generation: Facilitates reliable control and monitoring of turbines, generators, and auxiliary systems.

• Oil & Gas Industry: Used for remote monitoring and safe operation of pipelines and offshore installations.

• Pharmaceutical Manufacturing: Enables precise control and traceability required by regulatory standards.

• Water and Wastewater Treatment: Enhances distributed control and monitoring of treatment processes.

Advantages

• Reliable and Secure Communication: Guarantees deterministic Ethernet communication for safety-critical systems.

• High Throughput: Supports data transfer rates up to 100 Mbps for efficient system performance.

• SIL 3 Certification: Meets international standards for safety integrity, suitable for high-risk environments.

• Robust Design: Operates under wide temperature and humidity ranges typical in industrial sites.

• Compact and Modular: Easy installation and maintenance with a small footprint in rack systems.

• Energy Efficient: Low power consumption helps reduce operational costs.

• Advanced Diagnostics: Integrated diagnostic functions facilitate preventive maintenance and troubleshooting.

• Seamless System Integration: Compatible with Yokogawa CENTUM VP and ProSafe-RS control platforms.

• Global Compliance: Certified for worldwide use, ensuring safety and quality adherence.

Frequently Asked Questions (FAQ)

1. What is the primary role of the SEC402-51 S1 module?

   It serves as a bus coupler connecting the ESB network to Yokogawa control and safety systems.

2. Is the module certified for safety-critical environments?

   Yes, it holds SIL 3 certification for safety-instrumented systems.

3. What communication speed does it support?

   It supports Ethernet speeds of up to 100 Mbps.

4. What voltage power supply does the module require?

   It requires a 24 VDC power supply typical of industrial control systems.

5. What are the module’s physical dimensions?

   The module measures 130 x 129.5 x 32.8 mm.

6. What is the weight of the SEC402-51 S1?

   It weighs 0.24 kg.

7. Can it operate in harsh environmental conditions?

   Yes, it is designed for operation between -10°C and 55°C and 10% to 90% non-condensing humidity.

8. Does it provide diagnostic features?

   Yes, integrated diagnostics help detect faults and assist maintenance.

9. Is it compatible with existing Yokogawa systems?

   Fully compatible with CENTUM VP and ProSafe-RS platforms.

10. How easy is installation and replacement?

    The modular, rack-mounted design ensures simple installation and maintenance.