Yokogawa ANB11D-425/BU2A Optical ESB Bus Node Unit

Product Introduction

The Yokogawa ANB11D-425/BU2A Optical ESB Bus Node Unit is an advanced communication module designed for integration with Yokogawa’s CENTUM VP and other distributed control systems (DCS). This bus node unit provides a high-speed, reliable interface for fiber-optic Enhanced Serial Bus (ESB) networks, enabling secure and error-free data transfer across system components. It is engineered to deliver stable communication even in harsh industrial environments where electromagnetic interference (EMI) and signal degradation are common challenges.

The ANB11D-425/BU2A serves as a critical link between controllers, I/O modules, and operator interfaces, ensuring seamless operation of distributed control systems. Its optical interface guarantees EMI immunity and high signal integrity, which is essential for process-critical applications. The unit supports redundancy configurations, enhancing system reliability and providing continuous operation in complex industrial setups.

Product Specifications

Product Applications

The ANB11D-425/BU2A Optical ESB Bus Node Unit is applied in industrial automation and process control environments, including:

• Power Generation Plants – Facilitates high-speed, reliable communication between controllers and I/O devices.

• Oil & Gas Industry – Provides secure data transfer in refineries, offshore platforms, and processing units.

• Chemical and Petrochemical Plants – Maintains network integrity for process automation systems.

• Water and Wastewater Treatment Facilities – Ensures stable communication for distributed control of pumps, valves, and treatment processes.

• Manufacturing Automation – Enables real-time communication for automated production lines.

• Critical Infrastructure – Supports EMI-resistant communication for essential control systems.

Product Advantages

• High-Speed Data Transmission: Supports up to 125 Mbps for rapid and accurate communication.

• EMI-Resistant Optical Interface: Eliminates signal degradation caused by electromagnetic interference.

• Reliable Redundancy Support: Can be configured for redundant networks, ensuring continuous operation.

• Seamless Integration: Compatible with Yokogawa CENTUM VP systems and other ESB modules.

• Robust Industrial Design: Suitable for harsh environmental conditions, including temperature and humidity variations.

• Flexible Mounting Options: Supports both DIN rail and panel installation for convenient integration.

• Status Monitoring: LEDs provide real-time information on power, communication, and error status.

• Certified for Industrial Use: CE and FCC certifications ensure compliance with industrial standards.

FAQ

1. What type of communication interface does the ANB11D-425/BU2A use?
   This unit utilizes an optical Enhanced Serial Bus (ESB) interface, which allows high-speed and secure communication between DCS components, providing immunity to electromagnetic interference that is common in industrial environments.

2. What is the maximum data transfer rate supported by this unit?
   The unit can support data transfer rates of up to 125 Mbps, enabling fast and reliable transmission of process control data across connected devices in a distributed control system.

3. What power supply does this bus node unit require?
   The ANB11D-425/BU2A requires a 24 VDC power supply and consumes approximately 6 W of power, ensuring it operates efficiently without overloading the system’s power resources.

4. Can this unit be mounted on a DIN rail or panel?
   Yes, it is designed for flexible installation and can be securely mounted on either a standard DIN rail or directly on a control panel, depending on the system configuration and available space.

5. Does the unit provide status indicators for monitoring its operation?
   Yes, it is equipped with LED indicators that display the power, communication status, and any detected errors, allowing operators to quickly assess the unit’s operational condition.

6. Is the optical interface resistant to electromagnetic interference (EMI)?
   Yes, the use of an optical fiber interface ensures complete immunity to EMI, which is critical in industrial plants where motors, transformers, and other equipment generate significant electrical noise.

7. What is the operating temperature range for the ANB11D-425/BU2A?
   This unit is designed to operate in industrial environments with temperatures ranging from 0°C to 55°C, making it suitable for most control room and field installation scenarios.

8. Does this node support redundancy for critical systems?
   Yes, the unit supports redundant network configurations, which allows for continuous communication even if one path fails, ensuring high reliability in critical process control applications.

9. What type of fiber-optic connector is used with this unit?
   It uses a standard SC-type fiber-optic connector, providing reliable physical connection and high-quality signal transmission for ESB communication.

10. Is this unit suitable for long-term continuous operation in industrial settings?
    Yes, the ANB11D-425/BU2A is engineered for long-term, continuous operation in harsh industrial environments, maintaining reliable communication and operational stability under demanding conditions.

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FAQ

1. What type of communication interface does the ANB11D-425/BU2A use?
   This unit utilizes an optical Enhanced Serial Bus (ESB) interface, which allows high-speed and secure communication between DCS components, providing immunity to electromagnetic interference that is common in industrial environments.

2. What is the maximum data transfer rate supported by this unit?
   The unit can support data transfer rates of up to 125 Mbps, enabling fast and reliable transmission of process control data across connected devices in a distributed control system.

3. What power supply does this bus node unit require?
   The ANB11D-425/BU2A requires a 24 VDC power supply and consumes approximately 6 W of power, ensuring it operates efficiently without overloading the system’s power resources.

4. Can this unit be mounted on a DIN rail or panel?
   Yes, it is designed for flexible installation and can be securely mounted on either a standard DIN rail or directly on a control panel, depending on the system configuration and available space.

5. Does the unit provide status indicators for monitoring its operation?
   Yes, it is equipped with LED indicators that display the power, communication status, and any detected errors, allowing operators to quickly assess the unit’s operational condition.

6. Is the optical interface resistant to electromagnetic interference (EMI)?
   Yes, the use of an optical fiber interface ensures complete immunity to EMI, which is critical in industrial plants where motors, transformers, and other equipment generate significant electrical noise.

7. What is the operating temperature range for the ANB11D-425/BU2A?
   This unit is designed to operate in industrial environments with temperatures ranging from 0°C to 55°C, making it suitable for most control room and field installation scenarios.

8. Does this node support redundancy for critical systems?
   Yes, the unit supports redundant network configurations, which allows for continuous communication even if one path fails, ensuring high reliability in critical process control applications.

9. What type of fiber-optic connector is used with this unit?
   It uses a standard SC-type fiber-optic connector, providing reliable physical connection and high-quality signal transmission for ESB communication.

10. Is this unit suitable for long-term continuous operation in industrial settings?
    Yes, the ANB11D-425/BU2A is engineered for long-term, continuous operation in harsh industrial environments, maintaining reliable communication and operational stability under demanding conditions.

Recommended Related Models (Same Series)

Popular Models from Yokogawa

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