Application of Web-based HMI precaution function to fire fighting supervisory and control system

The main purpose of This work is to study 24-hour monitoring using a computer network homepage, which can remotely monitoring and control a building's fire-extinguishing, human-machine interface without PC support. The system structure is a homepage type of IT interface controller. It provides Ethernet communication port and standard TCP/IP communication platform. It can also build up an independent local network or directly connect to install Internet, using a homepage to display instant monitoring data for obtaining information regarding the status of fire-extinguishing equipment and transmitting warning messages. The Web-based HMI controller standard equipment includes analog signals from practical hard-wired digital input/output signals and RS-232C communication port input/output signals expansion, and other plates instrument equipment or device connection. By enabling a personal computer router, the homepage display provides a complete field monitoring input/output information instantly, with status display and command operation control.