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IS IT NECESSARY TO EARTH A SMPS (SCHNEIDER ABL1RPM24100 I/P -230 V AC, O/P-24V 10A) WHOSE INPUT IS FROM A 230V AC UPS (IT HAS A FLOATING GROUND) IN A PLC CABINET?
IF IT IS NECESSARY,WILL THERE BE A PROBLEM IF IT IS CONNECTED TO INSTRUMENT EARTH?
PLEASE HELP
IF IT IS NECESSARY,WILL THERE BE A PROBLEM IF IT IS CONNECTED TO INSTRUMENT EARTH?
PLEASE HELP