Yokogawa ANB11D-B15/BU2A Fiber optic ESB bus node unit

Product Introduction

The Yokogawa ANB11D-B15/BU2A is a high-performance fiber optic ESB (Enhanced Serial Bus) node unit designed for integration in Yokogawa’s distributed control systems. It serves as a critical communication interface within industrial automation setups, ensuring reliable and high-speed data transmission between field devices and control modules. The unit is optimized for robust operation in harsh industrial environments, providing stable and low-latency communication through fiber optic connections. Its modular design allows for easy installation and maintenance, making it an ideal choice for process control, monitoring, and automation systems across various industries including chemical, power, oil & gas, and manufacturing.

Technical Specifications

Product Advantages

1. High-Speed Fiber Optic Communication
   Provides secure and rapid data transfer with minimal electromagnetic interference (EMI), essential for high-precision control systems.

2. Modular and Flexible Design
   Supports easy integration and replacement without disrupting existing network configurations.

3. Robust Industrial Performance
   Operates reliably in harsh environmental conditions, including high humidity, temperature fluctuations, and electrical noise.

4. Enhanced Diagnostics
   LED indicators and status signals allow for immediate detection of faults or communication issues, reducing downtime.

5. Compatibility
   Fully compatible with other Yokogawa ESB network modules, ensuring seamless network expansion.

6. Low Power Consumption
   Optimized for energy efficiency while maintaining performance standards.

7. Secure Optical Isolation
   Prevents signal interference and protects the bus from potential electrical hazards.

Product Applications

• Process Control Systems: For chemical, pharmaceutical, and petrochemical industries where reliable process data is critical.

• Power Plants: Integrates with distributed control systems to monitor turbine, generator, and auxiliary systems.

• Oil & Gas: Connects field instrumentation to centralized control systems in both onshore and offshore environments.

• Manufacturing Automation: Supports data communication for precision automation lines.

• Water Treatment Plants: Provides reliable sensor integration and monitoring for automated water and wastewater systems.

• Infrastructure Monitoring: Ensures robust communication in facilities with critical operational requirements.

FAQ

1. Q: What type of fiber optic cable is compatible with ANB11D-B15/BU2A?
   A: Single-mode or multi-mode fiber with SC connectors is compatible, depending on the network distance requirements.

2. Q: Can multiple ANB11D-B15/BU2A units be daisy-chained on a single ESB network?
   A: Yes, the ESB bus protocol allows multiple nodes to operate sequentially without signal degradation.

3. Q: What is the maximum distance between nodes using fiber optic communication?
   A: For single-mode fiber, distances up to 10 km are supported. Multi-mode fiber supports up to 2 km.

4. Q: Does the unit support hot-swapping during operation?
   A: The ANB11D-B15/BU2A supports replacement with minimal network interruption but requires confirmation of network configuration integrity.

5. Q: What is the data transmission rate of the unit?
   A: The maximum data rate supported is 1 Mbps over the ESB network.

6. Q: How does the unit indicate communication errors?
   A: LED indicators provide real-time status, and diagnostic software can report error codes for detailed troubleshooting.

7. Q: Is optical isolation provided between the bus and the node?
   A: Yes, optical isolation is implemented to protect the unit and network from electrical disturbances.

8. Q: Can this module operate in extreme industrial environments?
   A: The unit is rated for 0–55°C and 5–95% non-condensing humidity, suitable for most industrial conditions.

9. Q: Which power supply is recommended for the module?
   A: A stable 24 V DC supply with sufficient current capacity is required, typically providing at least 4 W.

10. Q: Can this unit be mounted in a cabinet or on a DIN rail?
    A: Yes, both DIN rail and panel mounting are supported for flexible installation.

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FAQ

1. Q: What type of fiber optic cable is compatible with ANB11D-B15/BU2A?
   A: Single-mode or multi-mode fiber with SC connectors is compatible, depending on the network distance requirements.

2. Q: Can multiple ANB11D-B15/BU2A units be daisy-chained on a single ESB network?
   A: Yes, the ESB bus protocol allows multiple nodes to operate sequentially without signal degradation.

3. Q: What is the maximum distance between nodes using fiber optic communication?
   A: For single-mode fiber, distances up to 10 km are supported. Multi-mode fiber supports up to 2 km.

4. Q: Does the unit support hot-swapping during operation?
   A: The ANB11D-B15/BU2A supports replacement with minimal network interruption but requires confirmation of network configuration integrity.

5. Q: What is the data transmission rate of the unit?
   A: The maximum data rate supported is 1 Mbps over the ESB network.

6. Q: How does the unit indicate communication errors?
   A: LED indicators provide real-time status, and diagnostic software can report error codes for detailed troubleshooting.

7. Q: Is optical isolation provided between the bus and the node?
   A: Yes, optical isolation is implemented to protect the unit and network from electrical disturbances.

8. Q: Can this module operate in extreme industrial environments?
   A: The unit is rated for 0–55°C and 5–95% non-condensing humidity, suitable for most industrial conditions.

9. Q: Which power supply is recommended for the module?
   A: A stable 24 V DC supply with sufficient current capacity is required, typically providing at least 4 W.

10. Q: Can this unit be mounted in a cabinet or on a DIN rail?
    A: Yes, both DIN rail and panel mounting are supported for flexible installation.

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Recommended Popular Yokogawa Models

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