Product Description
The ANB11D-B15/BU2A is a specialized optical expansion interface designed for the Yokogawa CENTUM VP control system. It serves as a bridge between remote I/O modules and the central Field Control Unit (FCU), utilizing fiber optic communication to overcome the distance limitations of copper cabling.
Equipped with a 5 km optical repeater, this node supports high-speed, deterministic data transmission across large industrial facilities while providing complete electrical isolation and strong immunity to electromagnetic interference and lightning effects.
This model features a dual-redundant 100–120 V AC power supply, ensuring continuous operation even if one power source fails. The integrated BU2A connector unit simplifies ESB bus integration and supports both star and chain topologies for flexible system design.
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Primary Function: Optical ESB bus node for long-distance I/O expansion
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Communication Medium: Fiber optic (EMI and lightning resistant)
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Transmission Distance: Up to 5 km
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Power Supply: Dual-redundant AC (100–120 V AC)
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Connector Type: BU2A (integrated ESB connector)
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Installation: 19-inch rack mount
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Designation | ANB11D-B15/BU2A |
| Network Interface | Optical ESB Bus (dual-redundant) |
| Maximum Transmission Distance | 5 km (fiber optic) |
| Power Supply Redundancy | Dual-redundant (active-active) |
| Input Voltage | 100–120 V AC (optional: 220 V AC or 24 V DC) |
| Power Consumption | 200 VA / 120 W (at 100–120 V AC) |
| I/O Module Slots | Up to 8 modules |
| Connector Type | BU2A (integrated ESB connector) |
| Environmental Monitoring | Optional HKU interface |
| Mounting | 19-inch rack mount (M5 screws) |
| Weight | 10 kg |
Application Scenarios
The ANB11D-B15/BU2A is designed for distributed control architectures in industries such as refineries, water treatment plants, and offshore platforms.
It is ideal for connecting remote instrument enclosures (RIEs) located several kilometers away from the main control room. The optical repeater ensures signal integrity and system performance over long distances while eliminating grounding issues and noise interference common in copper-based systems.
Technical FAQ
Q: Can the power supply be converted to 24V DC in the field?
A: While the unit is factory-configured for 100–120 V AC, Yokogawa provides different power module options for 24 V DC. However, voltage configuration should be specified at the time of ordering to ensure full compatibility.
Q: Does the 10 kg weight include rack hardware?
A: The 10 kg specification refers to the unit populated with a standard set of 8 I/O modules. The base chassis alone is lighter than this value.
| 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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