Product Overview
The SSB401-11 is a high-performance optical communication interface used in the Yokogawa CENTUM VP Integrated Production Control System. It functions as an ESB bus optical repeater (master side), extending the ESB bus over fiber-optic media to enable long-distance connection of Field Control Units (FCUs).
By converting electrical ESB signals into optical signals, the module ensures high-speed, noise-immune data transmission over extended distances, making it ideal for distributed control architectures and electrically harsh industrial environments.
Technical Specifications
| Item | Specification |
|---|---|
| Module Function | Optical ESB Bus Repeater (Master Side) |
| Model Number | SSB401-11 |
| Transmission Medium | Fiber Optic |
| Data Transfer Rate | 128 Mbps (Standard ESB Bus Speed) |
| Maximum Transmission Distance | Up to 5 km or 50 km (depending on fiber type/configuration) |
| Fiber Connector Type | SC Connector |
| Dimensions (W × H × D) | 51 × 203 × 146 mm |
| Net Weight | 0.9 kg |
Implementation & Compatibility
-
Installed in the ESB Bus Node Unit (ANB10) or Field Control Unit (FCU)
-
Operates in conjunction with:
-
SSB401-11 (Master Side)
-
SSB411 (Slave Side)
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Enables reliable ESB bus extension between local and remote nodes, including installations across separate buildings or process areas
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Supports redundant configurations for high-availability systems
Application
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Distributed CENTUM VP control systems
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Remote FCU or I/O installations
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Long-distance ESB bus extension using fiber optics
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Environments with high EMI or grounding challenges
Common Technical Questions
What does the “-11” suffix indicate?
The -11 suffix identifies a specific hardware revision defined by Yokogawa, ensuring compatibility with CENTUM VP R5 and R6 systems.
Does the SSB401-11 support redundancy?
Yes. Two modules can be installed in paired slots to form a dual-redundant optical ESB bus link.
Is hot-swap supported?
Yes. In redundant configurations, the module supports hot-swapping, allowing maintenance without process interruption.
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|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
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| 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. |
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| 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. |
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