本文主要介绍了西门子公司S7- 400系列PLC在南海垃圾电厂计算机控制系统的软件，硬件配置及其成功运用。
This paper mainly introduces the software and hardware configuration of PLC computer control system with the Siemens company series S7-400 and its application in the Nanhai garbage power station.
部分火电厂计算机控制系统中的自动报警系统在出现报警信息时发出单调的警铃或蜂鸣器声音报警，CRT画面上故障点闪亮。
The automatic alarm system in some thermal power plants will send out monotone alarm ring or buzz with the fault points blinking on CRT screen in response to the alarm information.
部分火电厂计算机控制系统中的自动报警系统在出现报警信息时发出单调的警铃或蜂鸣器声音报警，CRT画面上故障点闪亮。
The automatic alarm system in some thermal power plants will send out monotone alarm ring or buzz with the fault points blinking on CRT screen in response to the alarm information.
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