Yokogawa SNB10D-425/CU2N Safety Node Unit

The Yokogawa SNB10D-425/CU2N Safety Node Unit is a vital component designed for integration within Yokogawa’s ProSafe-RS safety instrumented systems (SIS). This safety node unit serves as a high-performance interface module that manages and communicates safety-critical input and output signals with utmost reliability and precision.

Built to meet stringent international safety standards, the SNB10D-425/CU2N is engineered for use in environments where functional safety is paramount. Its modular design allows for easy installation and maintenance, ensuring seamless integration into existing safety systems and offering scalable solutions for complex industrial processes.

Product Specifications

Applications

The SNB10D-425/CU2N Safety Node Unit is deployed across various industries and sectors where safety and reliability cannot be compromised:

• Chemical and Petrochemical Plants: Managing safety interlocks and emergency shutdowns to prevent hazardous incidents.

• Oil and Gas: Monitoring critical control points in upstream and downstream operations to ensure operational safety.

• Power Generation: Protecting turbines, boilers, and other critical equipment through reliable safety instrumentation.

• Pharmaceutical Manufacturing: Ensuring safe production processes compliant with regulatory safety requirements.

• Water and Wastewater Treatment: Enabling automated safety controls in treatment facilities.

• Mining and Metals: Safeguarding processes involving high-risk operations such as smelting and ore processing.

Advantages

• High Safety Integrity: SIL 3 certification ensures the module meets rigorous safety standards for mission-critical applications.

• Reliable Communication: Utilizes redundant safety networks for uninterrupted, secure data transmission.

• Modular and Scalable: Designed for easy integration and expansion in complex safety systems.

• Robust Industrial Design: Capable of operating in harsh environments with wide temperature and humidity tolerance.

• Energy Efficient: Low power consumption reduces operational expenses.

• Comprehensive Diagnostics: Provides detailed monitoring and fault detection to simplify maintenance.

• Seamless Integration: Fully compatible with Yokogawa’s ProSafe-RS platform, enabling smooth system operation.

• Space-Saving: Compact rack-mounted design minimizes footprint in control cabinets.

• Global Certification: Meets international standards, facilitating worldwide deployment.

Frequently Asked Questions (FAQ)

1. What is the primary function of the SNB10D-425/CU2N Safety Node Unit?

   It acts as an interface managing safety-related digital input and output signals within the ProSafe-RS safety system.

2. Is the unit certified for safety-critical applications?

   Yes, it is SIL 3 certified and compliant with IEC 61508.

3. What types of signals does the unit handle?

   It primarily handles digital input and output signals for safety functions.

4. What are the power requirements?

   The module operates on a 24 VDC power supply.

5. What are its physical dimensions?

   It measures 482.6 x 221.5 x 205 mm.

6. How much does the unit weigh?

   5.9 kg.

7. Can the unit operate in harsh industrial environments?

   Yes, it supports operation from -10°C to 55°C and relative humidity of 10% to 90% non-condensing.

8. Does the module support redundancy?

   Yes, it uses redundant safety networks to ensure reliable communication.

9. Is it compatible with other Yokogawa safety components?

   It integrates seamlessly with the ProSafe-RS system components.

10. How easy is it to maintain or replace this unit?

    Its modular, rack-mounted design allows for straightforward installation and maintenance with minimal downtime.