SSC50D-S2121 Yokogawa Duplexed Safety Control Unit | Redundant Controller

SSC50D-S2121 Core Architecture

The SSC50D-S2121 is a robust dual-redundant safety controller engineered by Yokogawa for demanding industrial safety instrumented systems. This unit operates within 19-inch rack architectures and provides reliable Vnet/IP network integration. Designed with TUVAK6 certification and G3 anti-corrosion coating, the SSC50D-S2121 ensures maximum availability and process safety in harsh plant environments.

Technical Specifications

• Manufacturer: Yokogawa
• Product No: SSC50D-S2121
• Product Type: Duplexed Safety Control Unit
• Ambient Temperature: -20 to 40 °C
• System Type: Redundant Controller for Vnet/IP
• Enclosure Form: 19-inch rack type
• Protection Grade: G3 anti-corrosion, TUVAK6 certified

Oiltech Controls Insight

• Engineered specifically for high-integrity safety instrumented systems (SIS) requiring zero single-point failures.
• Dual-processor redundancy guarantees seamless failover during active plant operations.
• Integrated G3 corrosion resistance prevents environmental degradation in chemical and offshore facilities.
• Optimized thermal dissipation profile ensures stable operation between -20 and 40 degrees Celsius.

Compatible Industrial Equipment

• Yokogawa ProSafe-RS safety instrumented system racks.
• Vnet/IP industrial communication network nodes.
• 19-inch standard industrial automation cabinets.
• Associated SIS power supply and I/O terminal modules.

Logistics and Order Terms

• Processing Time: Fast dispatch within 24-28 hours from order confirmation.
• Shipping Carriers: Secure global delivery via FedEx, UPS, and DHL.
• Warranty Terms: Comprehensive 12-month warranty included with every unit.

Why Source From Oiltech Controls?

• Over fifteen years of dedicated expertise in industrial automation spare parts procurement.
• Extensive global logistics network ensuring rapid delivery for critical plant shutdowns.
• Rigorous technical inspection and functional testing performed before every shipment.
• Extensive inventory of hard-to-find surplus and obsolete control hardware.

Professional FAQ

• Question: What are the primary selection criteria when replacing an existing SIS controller with the SSC50D-S2121?
  Answer: Verify your existing rack dimensions, Vnet/IP node address parameters, and environmental corrosion rating to ensure seamless physical and network integration.
• Question: How does the duplexed design of the SSC50D-S2121 enhance plant safety?
  Answer: The dual architecture maintains active hot-standby redundancy, allowing the secondary processor to take over instantly if a fault occurs in the primary controller.
• Question: What maintenance practices are recommended for units deployed in corrosive areas?
  Answer: Although the module features G3 anti-corrosion protection, regular cabinet filter checks and ambient temperature tracking within the -20 to 40 °C range are advised.
• Question: Can I source obsolete firmware-matched versions for older plant expansions?
  Answer: Yes, our technical team verifies hardware revisions and firmware compatibility to match your legacy system requirements precisely.
• Question: What is the standard testing procedure before a unit leaves your facility?
  Answer: Every safety controller undergoes strict power-on checks, communication port validation, and visual inspection by experienced automation engineers.

For urgent stock checks, quotations, and technical support, connect with our sales engineers:

• Email Inquiries: info@oiltechcontrols.com
• WhatsApp Support: +86 158 8020 0923

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