A marine automation system for merchant ships consists of machinery control & monitoring system and cargo control & monitoring system. Extension Alarm System (EAS) has been installed for machinery control & monitoring system to provide machinery alarms to bridge, cabins, and public areas. However, EAS of the latest marine automation systems requires the integrated functionality for both machinery and cargo monitoring. In this paper, we introduce general features of EAS and design Integrated Extension Alarm System (IEAS) for ACONIS-2000 system, which is the integrated marine automation system developed by Hyundai Heavy Industries co., ltd. Extension alarm panels of IEAS are classified by the system type and display the information received from the alarm server of ACONIS-2000. Therefore, IEAS can transfer machinery and/or cargo alarms to the on-duty engineer according to the system type of alarms. In addition, IEAS provides the flexibility of the alarm group and duty configuration.
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