... system, enhanced write-protection function, with one key recovery and backup function, strong anti-virus function;l 10.4 ... protect user’s right;l Advanced CNC system, professionally facing to Router, Engraving &Milling Machine, cutting machine. System InformationSystemWin XP System(Self ... Brake RelayYesLight RelayYesExtended I/O112 inputs & outputs CNC control system -NK320 for 4 axes milling machine