Product Description
The SNB10D-243/CU2N is a rack-mountable safety node unit designed for the Yokogawa ProSafe-RS Safety Instrumented System (SIS). It provides the mechanical and electrical backbone for housing safety control modules and I/O components, forming a high-availability backplane architecture for safety-critical applications.
This configuration supports dual-redundant 24V DC power supplies, ensuring continuous operation even in the event of a single power path failure. The model includes the R3 node expansion software license, enabling scalable system growth within expanding industrial safety networks.
Engineered for harsh environments, the unit features ISA Standard G3 conformal coating to protect internal circuitry from corrosive gases and contaminants. With an extended operating temperature range of –20°C to +70°C, it is suitable for offshore platforms, desert facilities, and unconditioned control rooms.
The integrated CU2N ESB Bus connector unit (S9342FA) ensures reliable high-speed communication with the Safety Control Station via the Extended Serial Backplane (ESB).
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SNB10D-243/CU2N |
| System | ProSafe-RS SIS |
| Type | Rack-mount Safety Node Unit |
| Power Supply | 24V DC (Dual-redundant support) |
| Software License | Node expansion license (Revision R3 included) |
| Communication | ESB Bus Connector Unit (S9342FA) |
| Environmental Protection | ISA G3 conformal coating |
| Operating Temperature | –20°C to +70°C (Extended range) |
| Mounting | 19-inch rack (4 × M5 screws required) |
| Insulation | Supplied insulation bushes for grounding isolation |
| Weight | 5.9 kg |
Application
The SNB10D-243/CU2N is widely deployed in:
-
Emergency Shutdown (ESD) systems
-
Fire & Gas (F&G) systems
-
Burner Management Systems (BMS)
-
Offshore oil & gas platforms
-
Petrochemical and power generation facilities
Its G3 coating, redundant power architecture, and extended temperature rating make it ideal for corrosive and high-temperature industrial environments requiring high-integrity safety control.
FAQ
Q1: What does the “CU2N” option signify?
It refers to the ESB Bus connector unit (Part No. S9342FA), which enables communication between the safety node and the Safety Control Station via the Extended Serial Backplane.
Q2: Does this unit include a software license?
Yes. This model includes the R3 node expansion license, allowing additional safety nodes to be integrated into the ProSafe-RS architecture.
Q3: Why are insulation bushes included?
The supplied M5 insulation bushes electrically isolate the chassis from the rack frame, preventing ground loops and reducing electrical noise in sensitive safety circuits.
| 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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