Product Description
The ANB11D-215/BU2A/NDEL is a high-availability ESB Bus Node Unit integrated with an optical repeater, designed for Yokogawa CENTUM CS3000 and CENTUM VP control architectures. It functions as a critical expansion interface, enabling I/O modules to be positioned up to 5 km away from the Field Control Unit (FCU) via fiber optic communication.
With its dual-redundant power configuration, the unit ensures continuous operation even in the event of a single power module or supply failure, maintaining both local power distribution and communication integrity.
The unit is equipped with the /BU2A connector assembly, which provides a secure ESB bus interface with integrated termination, ensuring stable signal transmission. Additionally, it delivers regulated internal DC power outputs (+5 V and +24 V) to support connected I/O modules, enabling reliable data acquisition and process monitoring in large-scale industrial systems.
Built for global deployment, the ANB11D-215/BU2A/NDEL features a wide input voltage range and robust construction, making it suitable for demanding industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Identification | ANB11D-215/BU2A/NDEL |
| Device Function | Node Unit for dual-redundant ESB Bus with optical repeater |
| Power Supply Architecture | Dual-redundant configuration supported |
| Input Voltage Range | 100–240 V AC (wide range) |
| Input Frequency | 50/60 Hz |
| Internal Output Voltages | +5 V DC (±3%), +24 V DC (±5%) |
| Current Ratings | +5 V @ 10 A; +24 V @ 3 A |
| Power Consumption | 150 W |
| Optical Link Distance | Up to 5 km |
| Bus Connector | /BU2A (with built-in terminator) |
| Environmental Protection | Basic type (no explosion protection) |
| Operating Temperature | 0°C to 55°C |
| Dimensions (W×H×D) | 210 mm × 130 mm × 250 mm |
| Unit Weight | 8 kg |
Application Context
The ANB11D-215/BU2A/NDEL is widely used in large-scale industrial facilities where control systems must span long distances, such as:
-
Refineries
-
Offshore oil and gas platforms
-
Water treatment plants
Its integrated optical repeater enables high-speed, noise-immune communication over fiber optics, effectively bridging remote field instrumentation with centralized control systems without signal degradation.
FAQ
Does the /BU2A connector include a terminator?
Yes, the ANB11D-215/BU2A/NDEL includes the /BU2A connector unit with an integrated ESB bus terminator. This ensures proper impedance matching and prevents signal reflections at the end of the communication segment.
What does the /NDEL suffix represent?
The /NDEL suffix indicates a specific software or naming license configuration used within Yokogawa systems, typically required for system compliance or labeling in certain deployments.
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|---|---|
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| Condition | 100% New with Original Package |
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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| A: All our new and original products come with a standard one-year warranty. |
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