Yokogawa ANT421-50 Fiber Optic Bus Repeater Main Module

Application Highlights

• Acts as a fiber optic bus repeater to extend and strengthen communication signals in industrial networks

• Used in distributed control systems (DCS) for high-speed, long-distance communication

• Supports integration of multiple controllers, I/O modules, and field devices

• Ideal for power plants, chemical processing, oil & gas, and process automation industries

• Ensures reliable data transfer in environments with electromagnetic interference or long cable runs

Core Advantages

• Fiber optic technology ensures stable, high-speed communication over long distances

• Compact design allows easy installation in cabinets or control panels

• Lightweight yet robust construction suitable for industrial environments

• Supports network redundancy and fault-tolerant configurations

• Facilitates scalable system expansion with minimal signal loss

Technical FAQs

1. What is the main function of this module?
   It repeats and amplifies fiber optic bus signals to maintain reliable communication across long distances.

2. Which systems is it compatible with?
   Compatible with Yokogawa distributed control systems (DCS) and fiber optic field devices.

3. What are the physical dimensions of the module?
   142.5 × 130 × 32.8 mm.

4. What is the weight of this module?
   0.3 kg.

5. Can it operate continuously in industrial environments?
   Yes, it is designed for 24/7 industrial operation.

6. Which industries typically use this module?
   Power generation, chemical, petrochemical, oil & gas, and process automation.

7. Does it support long-distance fiber optic communication?
   Yes, it is specifically designed to extend fiber optic bus signals without degradation.

8. Is it resistant to electromagnetic interference (EMI)?
   Yes, fiber optic transmission is inherently immune to EMI.

9. Does it allow for network expansion?
   Yes, additional repeaters can be added to increase network reach.

10. Is installation complicated?
    No, the compact form factor and standard connectors make installation straightforward.