描述
为证实干扰源是由变频器产生,我们将该变频器的出线电缆从铁氧体环中穿过,并将变频器至dcs的信号线与变频器的输入、输出线尽量远离并交叉。通过以上措施,dcs上该点的oop报警频率有一定程度下降。这就证实了干扰源来自变频器。那么下一步的措施就是尽量减少变频器的干扰。
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