Product Description
The SSC50D-S2111 is a high-performance Duplexed Safety Control Unit at the core of the ProSafe-RS Safety Instrumented System (SIS). It is designed for fault-tolerant execution of safety logic, managing system-wide safety functions with maximum reliability. The unit features Yokogawa’s “Pair & Spare” duplexed architecture, where two CPU modules operate in parallel. If one module fails, the other immediately maintains control, ensuring uninterrupted protection and compliance with SIL3 requirements for critical industrial processes.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | SSC50D-S2111 (Style Code: S2) |
| CPU Architecture | Duplexed Pair & Spare (dual-redundant CPUs) |
| Redundancy | Fault-tolerant operation with automatic switchover |
| Power Supply (-1) | Single or redundant configuration (application-specific) |
| Input Voltage (-1) | 100–120 V AC, 50/60 Hz |
| Explosion Protection (-1) | Standard type, basic safety certification |
| Communication Interface | Dual-redundant Vnet/IP network ports for DCS/SIS integration |
| Logic Execution | High-speed safety logic for ESD, FGS, BMS applications |
| Memory | ECC (Error-Correcting Code) for automatic detection and correction of data errors |
| Diagnostics | Built-in hardware self-diagnostics and integrity monitoring |
| Mounting | 19-inch rack-mountable |
| Weight | 12 kg |
Industrial Application Scenarios
The SSC50D-S2111 is deployed in:
-
Emergency Shutdown (ESD) Systems
-
Fire & Gas Systems (FGS)
-
Burner Management Systems (BMS)
-
Oil & Gas, Petrochemical, and Power Generation Plants
Its duplexed architecture ensures uninterrupted protection in environments where process shutdowns are costly or dangerous. The module integrates seamlessly with Yokogawa CENTUM VP DCS for unified yet physically separated control and safety operations.
Technical FAQs
1. What is the “Pair & Spare” architecture?
This design uses two CPUs that continuously cross-check each other (“voted” logic). Any internal fault is instantly detected, preventing fail-to-danger scenarios and ensuring continuous plant protection.
2. Is the SSC50D-S2111 hot-swappable?
Yes. In a redundant setup, individual CPU modules or power supplies can be replaced without interrupting the system’s operation or safety coverage.
3. What industries benefit most from this module?
High-consequence industries such as oil & gas, petrochemical processing, and power generation, where SIL3-rated safety loops are required.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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