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本文介绍一种对三菱PLC控制系统进行远程监控的简便方法,旨在对一些较为重要的现场设备的运转情况进行监视,并可向其控制器PLC发送命令,进而改变设备的运行状态。对一些特别重要的工业设备,还可设置报警信号,将设备故障情况及时反映到监控计算机及技术人员的传呼机上,以便迅速排除故障。 1.系统组成 586以上微型计算机一台,带RS232串口,做监控系统上位机;SC—10FX通信电缆;电话线;Modem;Windows95/NT4.0或以上操作系统;三菱PLC编译软件Medoc及远程拨号软件FX—GP/Win。
This article presents a simple way to remotely monitor a Mitsubishi PLC control system. It is designed to monitor the operation of some of the more important field devices and to send commands to their controller PLC to change the operational status of the device. For some of the most important industrial equipment, alarm signals can also be set to promptly report the equipment failure to the pager of the monitoring computer and technical personnel so as to promptly eliminate the fault. 1. System composed of more than 586 micro-computer with a RS232 serial port, so monitoring system PC; SC-10FX communication cable; telephone line; Modem; Windows95 / NT4.0 or above operating system; Mitsubishi PLC compiler software Medoc and remote dial-up Software FX-GP / Win.