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I have installed the system based on S7 300 plc .
when i measured the earthing volatge between neutral and earth. It is coming 4 v, Is it safe to work with that much earthing voltage?
how can i reduce this earthing voltage since i already have seperate earthing pit for earth connection?
when i measured the earthing volatge between neutral and earth. It is coming 4 v, Is it safe to work with that much earthing voltage?
how can i reduce this earthing voltage since i already have seperate earthing pit for earth connection?