由于PLC具有运行稳定性和高可靠性等特点，它与工业控制计算机连网对于电厂化学水处理系统进行自动控制具有其独特的优势。
Because of its high stability and high reliability, the PLC has unique advantages for automatic control for chemical water treatment when it is linked up with the industrial control computers.
为了提高控制系统的稳定性和可靠性，采用现场数据自动修复，程序自动恢复等设计方法。
To increase control system's steady ability and reliability we keep the scene data and program to return to normal.
实际应用表明，系统在无人值守情况下可自行调整并稳定调压器输出电压，可满足电子加速器调压器的精确控制和自动控制要求。
It is shown in practice that the system can adjust the variac output voltage automatically and assure the accurate and automatic control of the electronic accelerator.
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