Product Description
The SDV531-L63/PRP-S4 is a safety-rated digital output module designed for the Yokogawa ProSafe-RS Safety Instrumented System. It provides 8 isolated digital output channels optimized for driving high-reliability field devices such as safety relay coils and solenoid valves.
Purpose-built for safety-critical logic, the module incorporates integrated pulse-test functionality to verify each output channel’s ability to transition to a defined safe state on demand. Continuous on-board diagnostics monitor both internal hardware health and external circuit conditions, enabling early detection of faults such as short circuits and open loops.
Its compact mechanical design supports high-density installation in safety control cabinets while maintaining high galvanic isolation between the system bus and field instrumentation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Channel Count | 8 channels, isolated outputs |
| Rated Output Voltage | 24 V DC (wide operating tolerance) |
| Load Current | Max. 0.6 A per channel |
| Total Module Capacity | Up to 4.8 A aggregate |
| Safety Integrity Level | SIL3 (ProSafe-RS compliant) |
| Diagnostic Functions | Line-fault detection via pulse testing |
| Connection Type | Pressure-clamp or KS-cable interface |
| Power Consumption | 350 mA @ 5 V DC |
| Dimensions (W × H × D) | 33 × 135 × 152 mm |
| Weight | 0.3 kg |
Application Scenarios
The SDV531-L63/PRP-S4 is commonly applied in:
-
Emergency Shutdown (ESD) systems
-
Burner Management Systems (BMS)
-
Fire & Gas (F&G) protection logic
It is particularly suited for controlling final elements that follow either de-energize-to-trip or energize-to-actuate safety philosophies in chemical processing plants and offshore energy installations.
Redundancy Support
Yes. The SDV531-L63/PRP-S4 is designed for redundant installation in paired configurations within ProSafe-RS I/O racks. This enables hot maintenance, allowing a single module to be replaced online while the safety function remains active and the process continues to operate safely.
| 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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