黔北输煤程控I／O柜开入继电器易误动问题分析

Analysis on the problem of coal conveying program- controlled I/O cabinet relaymalfunction in Qianbei power plant

对输煤程控系统因电缆感应电，造成输煤程控PLCI／O柜开入继电器经常发生误动，使整个输煤程控系统无法正常运行，从而严重影响输煤系统正常上煤的问题进行了分析，同时拟订了相应的解决办法。

The serious problem which have a bad effect on normal coal for the coal handling system,is analysisde. These problems are mainly due to cable induced electricity of coal handling system,which cause coal conveying program-controlled I/O cabinet relay easy malfunction. And the whole conveying program-controlled system can not operate normally. Meanwhile, the corresponding solutions are drafted.