Yokogawa SSC50D Safety Control Unit for ProSafe-RS SIS

The Yokogawa SSC50D is a highly reliable duplexed safety control unit designed for ProSafe-RS safety instrumented systems (SIS). This unit provides exceptional safety integrity and availability, making it ideal for safety-critical applications across various industries. Its redundant architecture, robust communication protocols, and safety certifications ensure it meets the stringent demands of critical operations.

Key Features of the Yokogawa SSC50D

Duplexed Design for Redundancy: The SSC50D integrates two independent processors, ensuring continuous operation even in case of a failure. This redundant setup guarantees maximum reliability in safety-critical systems.
Seamless Communication: The unit supports Vnet/IP protocol for seamless integration with other Yokogawa systems. This ensures efficient data exchange and communication across interconnected safety systems.
Scalable Safety Node Connectivity: It supports connectivity to up to 9 safety node units, enabling expansion and the addition of I/O capacity as needed for larger systems.
Temperature Range: The SSC50D operates in a wide temperature range of -20 to 40°C, ensuring stable performance in various industrial environments.
Memory Protection: In the event of a power failure, the SSC50D provides data integrity protection, ensuring critical data remains intact.
Licensing Options: The unit offers the CFS1100 Safety Control Function License for enhanced safety functionality, providing flexibility in configuring the system as per requirements.

Technical Specifications

Specification	Details
Model	Yokogawa SSC50D
Design	Duplexed architecture with dual processors for redundancy
Communication Protocol	Vnet/IP for integration with other Yokogawa systems
Safety Node Connectivity	Supports up to 9 safety node units
Operating Temperature	-20 to 40°C (with ISA Standard G3 compliance)
Power Supply Options	24 VDC (suffix 4) Dual-redundant power supply (suffix 2)
Explosion Protection	No explosion protection (suffix 5)
Safety Certification	Complies with IEC 61508 for safety-critical applications
Memory Protection	Data integrity during power failure
Licensing	CFS1100 Safety Control Function License (suffix 1)

Applications of the Yokogawa SSC50D

The Yokogawa SSC50D is designed for safety-critical applications in various industries, including:

Industrial Automation: Provides enhanced safety in industrial automation systems by integrating seamlessly with safety instrumented systems (SIS).
Process Control Systems: Ideal for industries such as oil & gas, chemical processing, and power generation, where maintaining safety and operational integrity is paramount.
Critical Infrastructure Protection: Ensures reliable control in emergency shutdown systems (ESD), fire and gas detection systems (FGD), and turbine protection systems (TPS).