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Integrating PAGA Systems with Other Systems on Board an FPSO Vessel
PAGA system integration with other systems on an FPSO vessel is a complex but essential task that requires meticulous planning, execution, and testing.

PAGA system integration with other systems on an FPSO vessel is a complex but essential task that requires meticulous planning, execution, and testing. By following best practices and leveraging robust communication protocols, you can ensure that these integrations enhance safety and operational efficiency.

Understanding the PAGA System

PAGA systems are designed to deliver clear and immediate communication across the vessel, particularly during emergencies. The system typically consists of:

  • Microphone consoles and control panels.
  • Amplifiers and power supplies. 
  • Loudspeakers distributed throughout the vessel. 
  • Interfaces with other systems for automated announcements and alarms.
integrating a PAGA system

Key Systems for Integration

Integrating the PAGA system with other onboard systems enhances operational efficiency and safety. Key systems for integration include:

Fire and Gas Detection System: For automatic alarms and pre-recorded emergency messages.

Emergency Shutdown (ESD) System: To ensure immediate and coherent communication during shutdown procedures.

Telecommunication Systems: For seamless communication across different channels.

CCTV Systems: To provide visual confirmation of the areas affected by alarms. 

Vessel Management System (VMS): For central monitoring and control.

Integration Techniques

Interface and Protocols

Modbus/TCP and OPC: Common protocols used for interfacing the PAGA system with other digital systems, ensuring reliable and standardized communication.

Hardwired Interfaces: Essential for critical alarm signals, ensuring direct and immediate response.  

Redundancy and Reliability

Redundant Communication Paths: Implementing redundant communication paths ensures that even if one path fails, the system remains operational.

Power Supply Redundancy: Dual power supplies can prevent system downtime during power failures.  

Time Synchronization: Ensures that all systems operate on a synchronized timeline, crucial for accurate event logging and coordination during emergencies.  

An FPSO vessel operating in a remote offshore location requires the integration of its PAGA system with its Fire and Gas Detection System and ESD system.


Design Phase: Engineers identified critical points where the PAGA system needs to interface with the Fire and Gas Detection System and the ESD system.

Implementation: Modbus/TCP protocol was used for the digital interface, while hardwired connections were established for critical alarms.

Testing: Extensive tests, including simulated fire scenarios and emergency shutdowns, were conducted to ensure the system's reliability.

Outcome: The integrated system provided immediate and clear communication during test scenarios, significantly enhancing the safety and response times.

The integration of PAGA systems with other onboard systems is vital for ensuring seamless operations and safety. Team Vivo Asia is a skilled and experienced team, specializing in telecom, IT and ELV systems for harsh and hazardous environments. Contact us today to discuss your requirements!