| 摘要 |
<p>A data remote monitoring system of essential security and a method for remotely monitoring data using the system. The monitoring system includes a process control computer for monitoring or controlling the process controlled, a remote monitoring computer for remotely monitoring the process control computer, and also includes a signal acquisition device connected to the process control computer using non network physical connection for acquiring data signal in the process control computer, and a home monitoring computer (4) connected to the signal acquisition device, the home monitoring computer (4) is connected to the remote monitoring computer through network. The monitoring method includes the following steps: acquiring the data signal in the process control computer through the signal acquisition device in the monitoring system, transmitting the data signal by the home monitoring computer (4) to the remote monitoring computer to be monitored.</p> |
