Product Description
The SSC50D-F2121 is a fully duplexed safety control processor developed for the Yokogawa ProSafe-RS Safety Instrumented System (SIS). It serves as the central processing engine responsible for executing safety logic and maintaining high-integrity protection functions in critical industrial applications.
Designed with a dual-redundant CPU architecture, the SSC50D-F2121 performs continuous cross-checking between processors to ensure fail-safe operation. In the event of a detected fault, control seamlessly transfers to the standby processor without interrupting the safety function. This architecture enables compliance with SIL3 (IEC 61508) requirements.
The controller manages both safety logic execution and network communication across Vnet/IP or ESB bus architectures. Its compact, high-density form factor is optimized for modern control cabinets while maintaining thermal stability for continuous 24/7 operation.
As the primary decision-making unit within the Safety Control Station (SCS), the SSC50D-F2121 delivers rapid response times essential for Emergency Shutdown (ESD) and Fire & Gas (F&G) systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SSC50D-F2121 |
| System Platform | ProSafe-RS SIS |
| Redundancy | Fully duplexed (dual-redundant CPU) |
| Safety Certification | SIL3 (IEC 61508) |
| Processor Type | High-speed safety-certified microprocessors |
| Communication | Vnet/IP and ESB bus compatible |
| Logic Capacity | Supports extensive safety functional blocks |
| Power Supply | 24V DC (via node power supply) |
| Dimensions | 103 × 51 × 54 mm |
| Weight | 1.0 kg |
Application
The SSC50D-F2121 is widely used in high-risk industries, including:
-
Oil refineries
-
Offshore gas production platforms
-
Petrochemical processing plants
-
Nuclear and conventional power generation facilities
Typical control applications include:
-
Emergency Shutdown (ESD) systems
-
Fire & Gas (F&G) systems
-
High Integrity Pressure Protection Systems (HIPPS)
-
Burner Management Systems (BMS)
Its duplexed architecture ensures high availability while preventing both dangerous failures and nuisance trips.
FAQ
Q1: What does “Duplexed” mean in this model?
It indicates two parallel processors operating simultaneously. If a fault is detected in the primary CPU, the secondary CPU assumes control instantly without disrupting the safety function.
Q2: Is it compatible with Vnet/IP networks?
Yes. The SSC50D-F2121 integrates seamlessly into Yokogawa’s Vnet/IP safety network architecture and communicates with Safety Control Stations (SCS) and Human Interface Stations (HIS).
Q3: What does the F2121 suffix indicate?
The suffix typically represents specific hardware revisions or firmware versions aligned with particular ProSafe-RS software releases.
| 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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