Product Description
The SSC50D-S2543 is a high-integrity Duplexed Safety Control Unit engineered by Yokogawa Electric Corporation for deployment within the Yokogawa ProSafe-RS Safety Instrumented System (SIS). Serving as a core processing controller for safety-critical operations, the unit utilizes a duplex (redundant) architecture that enables continuous monitoring and control without interruption.
By implementing parallel processing redundancy, the SSC50D-S2543 eliminates single points of failure within the safety control layer. This architecture is essential for industrial facilities that must meet stringent Safety Integrity Level (SIL) requirements and maintain uninterrupted plant protection functions.
The controller integrates seamlessly into existing ProSafe-RS infrastructures, executing safety logic for systems such as Emergency Shutdown (ESD) and Fire & Gas (F&G) protection systems. Its high-impedance input design and robust galvanic isolation help prevent signal interference, ensuring that safety loop performance remains accurate and reliable even in electrically noisy industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | SSC50D-S2543 |
| System Architecture | Duplexed (Redundant) Safety Control |
| Total Input Points | 50 channels |
| Input Voltage Support | 24 VDC, 12 VDC, and 5 VDC (±10% tolerance) |
| Input Current Consumption | Maximum 10 mA per channel |
| Input Impedance | Minimum 3 kΩ |
| Galvanic Isolation | 500 Vrms (input-to-ground) |
| Operating Temperature Range | −10 °C to +55 °C |
| Dimensions | 123 mm (H) × 122 mm (W) × 100 mm (D) |
| Unit Weight | 1.5 kg |
Reliability and Redundancy
The duplex configuration of the SSC50D-S2543 enables hot-swapping and online maintenance without interrupting plant safety functions. In the event that one processor detects an internal fault, the secondary processor immediately maintains full operational control. This redundancy ensures that safety-critical inputs and outputs remain active, maintaining uninterrupted protection for the process plant.
Frequently Asked Questions
Q: Does the SSC50D-S2543 support localized I/O or remote I/O?
A: The controller functions as the primary safety processor and can interface with both local safety I/O modules and remote safety nodes through the system’s dedicated safety communication bus.
Q: Can this unit be used in corrosive environments?
A: The unit supports an operating temperature range of −10 °C to +55 °C; however, it should be installed in a climate-controlled industrial cabinet with appropriate filtration to protect against long-term exposure to corrosive chemicals or particulate contamination.
| 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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