The Yokogawa AFG20D Duplexed Field Control Unit is an advanced field control system designed to provide high reliability, performance, and scalability for industrial automation. It features a duplexed design, incorporating dual processors for redundancy, ensuring high availability and continuous operation even in the event of a processor failure. This unit is an essential part of Yokogawa’s field control series, making it ideal for critical processes where system downtime must be minimized.

The AFG20D is particularly well-suited for industries that require robust control and monitoring systems, such as power generation, chemical processing, oil & gas, and water treatment plants. Its flexible communication protocols, robust design, and real-time processing capabilities make it a versatile and reliable choice for complex industrial environments.

Key features of the AFG20D include advanced fault tolerance, high-availability design, and scalable functionality, ensuring seamless integration into existing automation systems. It offers comprehensive process control and device management capabilities, supporting a wide range of field devices and allowing for optimized performance across various industrial applications.

Product Specifications

The following table provides a detailed overview of the key specifications of the Yokogawa AFG20D Duplexed Field Control Unit:

Product Applications

The Yokogawa AFG20D Duplexed Field Control Unit is highly versatile and can be applied across various industrial sectors where reliability, real-time control, and redundancy are crucial. Key applications include:

• Power Generation Plants: The unit is ideal for power plant applications, providing real-time control of turbines, boilers, and other critical components. It ensures safe and efficient operation through its redundant processors.

• Chemical and Petrochemical Industries: In chemical processing, the AFG20D helps control critical processes such as mixing, heating, and chemical reactions, offering enhanced reliability and fault tolerance.

• Oil & Gas Industry: The unit is commonly used for controlling valves, pumps, and other devices in upstream and downstream operations, where high availability and precise control are essential.

• Water Treatment Plants: Used to manage the real-time control of water treatment processes, including filtration, chemical dosing, and system monitoring, ensuring smooth and continuous operation.

• Pharmaceutical Manufacturing: Provides process control for manufacturing facilities, ensuring strict adherence to quality standards and regulatory compliance in environments where accuracy is paramount.

• Food and Beverage Industry: Optimizes the production processes in the food industry, such as temperature control, mixing, and flow regulation, ensuring product consistency and safety.

• Automated Production Lines: The AFG20D supports real-time control in automated production lines, enhancing system performance, efficiency, and minimizing downtime.

Product Advantages

The Yokogawa AFG20D Duplexed Field Control Unit offers several distinct advantages, making it a top choice for industries requiring high-performance and redundant control systems:

1. Dual Processor Redundancy: The AFG20D is designed with dual processors, ensuring that if one processor fails, the other seamlessly takes over, reducing the risk of downtime and ensuring uninterrupted operation.

2. Real-Time Control: The unit provides precise, real-time process control, crucial for applications where immediate response to system changes is necessary.

3. Flexible Communication Protocols: The AFG20D supports a wide range of communication protocols including HART, Modbus, Profibus, and Yokogawa’s proprietary protocols, ensuring compatibility with various field devices and systems.

4. Scalability: With up to 32 I/O channels (expandable), the AFG20D can scale with the growth of your system, making it suitable for both small and large installations.

5. Compact and Robust Design: Its IP66-rated enclosure ensures that it is protected from dust and water, allowing it to operate in challenging environments.

6. Energy Efficient: Consuming only 75 W of power under typical operation, the AFG20D offers efficient energy use, helping to minimize operating costs.

7. Wide Operating Temperature Range: The unit can operate in temperatures ranging from -20°C to +60°C, making it suitable for use in diverse industrial environments.

8. Easy Integration: The AFG20D is easy to integrate into existing systems, enhancing its appeal for system upgrades or expansion.

9. User-Friendly Interface: The interface is intuitive, providing easy configuration, monitoring, and control without extensive training.

10. Global Standards Compliance: The unit meets CE, UL, and RoHS certifications, ensuring it adheres to international safety and environmental standards.

FAQ (Frequently Asked Questions)

1. What is the main advantage of the Yokogawa AFG20D Duplexed Field Control Unit?

   • The key advantage is its dual processor redundancy, ensuring high availability and continuous operation even in the event of a processor failure.

2. What communication protocols does the AFG20D support?

   • The unit supports HART, Modbus, Profibus, and Yokogawa’s proprietary protocols, making it compatible with a wide range of devices.

3. How many input/output channels does the AFG20D support?

   • The AFG20D supports 32 I/O channels, with the ability to expand as needed.

4. What is the power consumption of the AFG20D?

   • The typical power consumption is 75 W.

5. What is the operating temperature range of the AFG20D?

   • The operating temperature range is -20°C to +60°C.

6. Is the AFG20D suitable for outdoor use?

   • Yes, it is rated IP66, which means it is dust-tight and protected against water ingress, making it suitable for outdoor environments.

7. Can the AFG20D be used in large-scale industrial applications?

   • Yes, it can scale up to support larger systems, making it suitable for both small and large installations.

8. How does the duplexed design benefit the AFG20D?

   • The duplexed design with two processors ensures fault tolerance and high availability, minimizing downtime in critical operations.

9. What industries use the AFG20D?

   • The AFG20D is used in power generation, chemical processing, oil & gas, water treatment, pharmaceuticals, food and beverage, and automated production lines.

10. What certifications does the AFG20D meet?

• The unit meets CE, UL, and RoHS certifications, ensuring it complies with international safety and environmental standards.