Yokogawa AIP504-50 V Net Coupler Unit

The Yokogawa AIP504-50 V Net Coupler Unit is a high-performance communication module designed to serve as a core networking component within Yokogawa’s CENTUM VP distributed control system (DCS) and ProSafe-RS safety systems. It functions as an intelligent coupler that links different V Net segments, ensuring smooth, high-speed, and deterministic communication across plant-wide networks.

With its redundant architecture support, advanced diagnostics, and strong error detection mechanisms, the AIP504-50 provides a stable and secure communication backbone for industries that demand continuous operation. The unit has been optimized for large-scale plant environments, where system reliability, expandability, and seamless integration are essential.

The AIP504-50 is widely adopted in oil & gas, petrochemical, chemical, power generation, and pharmaceutical industries, ensuring uninterrupted process automation and safety coordination across complex operations.

Product Parameters

Product Applications

The AIP504-50 V Net Coupler Unit plays a vital role in enabling large-scale, highly reliable communication infrastructures in critical industries. Its applications include:

• DCS Backbone Coupling: Serving as the main data transmission hub between field control stations (FCS) and operator stations (HIS).

• Safety System Integration: Seamlessly connecting ProSafe-RS safety instrumented systems with CENTUM VP networks.

• Redundant Networking: Ensuring uninterrupted communication during module or path failures.

• Plant Expansion Projects: Supporting network scalability during plant upgrades and capacity increases.

• High-Speed Control Environments: Providing deterministic response in industries requiring real-time process adjustments.

• Critical Infrastructure: Used in LNG facilities, nuclear and thermal power plants, petrochemical complexes, and offshore oil platforms.

Product Advantages

• High Reliability: Built for mission-critical industries, ensuring network availability even under failure conditions.

• Seamless Redundancy: Automatic switchover between redundant modules eliminates communication interruptions.

• Advanced Diagnostics: Provides real-time status monitoring, error detection, and detailed event logs for proactive maintenance.

• Hot-Swap Support: Enables module replacement without shutting down the network in redundant setups.

• Scalable Architecture: Supports both small and large-scale plant networks with flexible topology options.

• Strong Isolation: Galvanic isolation prevents electrical disturbances from affecting communication stability.

• Industrial-Grade Durability: Designed for harsh operating conditions, meeting stringent industrial standards.

• Long-Term Stability: Backward compatibility ensures smooth integration in modernization projects.

FAQ

1. What is the primary function of the AIP504-50 in a V Net network?

   It couples and manages communication between different V Net segments in the control system.

2. Does the AIP504-50 support dual redundancy?

   Yes, it offers full dual redundant communication with automatic switchover.

3. Which control platforms are compatible with the AIP504-50?

   It is compatible with CENTUM VP, ProSafe-RS, and selected Yokogawa STARDOM systems.

4. Is hot-swapping supported by the AIP504-50?

   Yes, it allows hot-swapping in redundant configurations without system downtime.

5. How does the AIP504-50 ensure communication reliability?

   It employs CRC error detection, galvanic isolation, and continuous health monitoring.

6. What network topologies are supported by the AIP504-50?

   It supports star, bus, and mixed redundant network structures.

7. Can the AIP504-50 be used in plant expansion projects?

   Yes, it is designed for scalability, making it suitable for plant upgrades and expansions.

8. How does the unit integrate with safety systems like ProSafe-RS?

   It enables seamless communication between process control and safety instrumented systems.

9. Does the AIP504-50 provide diagnostic functions?

   Yes, it offers self-check, error logs, and system health monitoring.

10. Is the AIP504-50 suitable for large-scale industrial applications?

    Yes, it is optimized for high-speed, large-scale communication networks in critical industries.