Yokogawa ANT502-5E Optical ESB Bus Repeater Module

The Yokogawa ANT502-5E Optical ESB Bus Repeater Module is a high-performance communication module designed for distributed control systems (DCS) that require robust and reliable optical communication. This module functions as a repeater within the ESB (Enhanced System Bus) optical network, extending communication distances between the central control system and remote nodes while maintaining deterministic and high-speed data transmission.

The ANT502-5E employs fiber-optic technology to eliminate electromagnetic interference (EMI), ensuring stable signal integrity across industrial environments. This module is widely deployed in power generation, petrochemical plants, oil & gas facilities, and large-scale manufacturing systems. Its rugged construction, integrated diagnostics, and flexible mounting options make it suitable for demanding plant environments, ensuring continuous operation and easy maintenance.

Product Specifications

Product Applications

The ANT502-5E is ideal for industrial systems requiring long-distance, high-speed, and interference-free communication. Typical applications include:

• Power Generation: Ensures reliable communication between central control systems and remote turbines or generators.

• Oil & Gas Industry: Provides robust communication links in offshore platforms, refineries, and pipeline monitoring systems.

• Petrochemical Plants: Maintains high-speed data transfer in EMI-heavy industrial environments.

• Large Manufacturing Plants: Integrates distributed automation systems across expansive facilities.

• Pharmaceutical & Food Processing: Facilitates precise and compliant communication for automated batch processes.

Product Advantages

• High-Speed Optical Transmission: Enables fast, deterministic data exchange over long distances.

• EMI Immunity: Fiber-optic communication eliminates electrical interference.

• Redundant Communication Support: Can operate with dual optical paths for increased system reliability.

• Extended Range: Capable of transmitting data over several kilometers without signal degradation.

• Durable Industrial Design: Compact and rugged for use in harsh plant environments.

• Integrated Diagnostics: LED indicators and built-in monitoring simplify fault detection and maintenance.

FAQ

1. What types of fiber are compatible with the ANT502-5E?

   Supports both single-mode and multimode fibers depending on the required transmission distance.

2. Does this module support redundant optical communication paths?

   Yes, dual redundant paths are available for high system availability.

3. What is the maximum transmission distance for optical signals?

   Typically up to 15 km with single-mode fiber, depending on network configuration.

4. How many nodes can be connected through this repeater module?

   Supports up to 64 nodes per ESB network segment.

5. Is the ANT502-5E compatible with Yokogawa CENTUM VP systems?

   Yes, fully compatible with CENTUM VP and other Yokogawa DCS platforms.

6. What diagnostic features are included in the module?

   LED indicators for power, communication, link, and fault status with built-in self-check functions.

7. Can the module be hot-swapped?

   Yes, replacement is possible without shutting down the entire system when configured properly.

8. How are data transmission errors handled?

   Uses CRC error detection and automatic retransmission to maintain data integrity.

9. What is the power supply requirement and typical consumption?

   Operates on 24 V DC (±10%) with approximate consumption of 12 W.

10. How is time synchronization managed across multiple nodes?

    Time-synchronized data exchange ensures deterministic communication across the ESB network.