介绍一种船用水密门监控系统，阐述监控主机、控制模块、报警模块、协议转换模块的功能。该系统通过RS485总线进行组网，采用分散控制、集中管理的模块化设计思想，能够现场及远程控制水密门的状态、自动监测系统的各种状态信息，并对系统故障进行实时显示、蜂鸣器报警、记录等功能。提高船舶自动化水平，确保船舶在航行中的安全性。%This article introduces a monitoring system of marine watertight door, and illustrates the functions of monitoring host computer, control module, alarm module and protocol conversion module. This system is networked by the RS485 bus following the modular design concept of the decentralized control and centralized management. It can control the state of the watertight door and the various status information of the auto-monitoring system locally or remotely. In addition, it is functioned with the real-time display of system faults, buzzer alarm and record, etc. Therefore, the automatic level of ships are improved to ensure the safety of the ships in the navigation.
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