The specification of programmable controller, PLC hardware configuration, software design, programmer, operation mode and furnace purging flame detection and it principle are presented concretely.
具体介绍了可编程序控制器性能指标，PLC硬件配置，软件设计，编程器，操作方式以及炉膛吹扫，火焰检测及火检原理等。
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