Product Description
The SB401-53 is a high-performance ESB (Enhanced Safety Bus) Bus Interface Slave Module developed for the CENTUM VP and ProSafe-RS control systems. It functions as the communication bridge between a Field Control Unit (FCU) and distributed ESB Bus Node Units, enabling high-speed synchronized data exchange across safety and control networks.
The “-53” variant is engineered for harsh industrial environments. It incorporates ISA Standard G3 conformal coating for resistance to corrosive gases such as H₂S and SO₂, and supports an extended operating temperature range up to +70°C. These enhancements make it ideal for installation in unconditioned cabinets and chemically aggressive atmospheres.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | SB401-53 |
| Style Code | S1 |
| Module Type | ESB Bus Interface Slave Module |
| Compatible Systems | CENTUM VP / ProSafe-RS |
| Communication Speed | 128 Mbps |
| Operating Temperature | -20°C to +70°C (-4°F to +158°F) |
| Environmental Protection | ISA Standard G3 conformal coating |
| Explosion Protection | Standard type (Non-explosion protected) |
| Power Consumption | 0.5 A (Typical @ 5 V DC via backplane) |
| Redundancy | Dual-redundant configuration supported |
| Installation Location | ANB10S/D or ANB11S/D Node Units |
| Hot Swap | Supported (in redundant systems) |
| Dimensions (W × H × D) | 130 × 129 × 32.8 mm |
| Weight | 0.25 kg |
Industrial Application
The SB401-53 is widely used in:
-
Oil refineries
-
Chemical processing plants
-
Offshore production platforms
-
Wastewater treatment facilities
-
Sulfur recovery units
The G3 conformal coating significantly improves long-term reliability in environments containing corrosive airborne contaminants, preventing copper and silver trace degradation.
Technical FAQs
1. What is the difference between SB401-50 and SB401-53?
The SB401-53 adds ISA G3-class conformal coating and extends the operating temperature to +70°C. The SB401-50 is designed for standard environmental conditions.
2. Is a terminator required?
Yes. If the node containing the SB401-53 is the last unit in the ESB bus chain, a connector unit with an integrated terminator (e.g., S9564FA) must be installed.
| 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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