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PLC Demo system

Question asked by PrateekJain-28889 on Jul 20, 2013
Latest reply on Jul 28, 2013 by PrateekJain-28889

Purpose of floating ground in 24VDC power supply input. In the PLC Demo board provision for two wire and three wire 24VDC is there 24V+ and Gnd is understood but why have you provided third connection and termed it as floating ground.