> Hi John, hi Andy! > > > Any particular reason why you want 48V? I use the Bergerda 220VAC units > > and although shipping is expensive the motor/drive > components do end up costing less than the similar units from dmm-tech. > > The reason for the 48V system is mainly safety, as it makes the design > so much simpler if you don't have to care about all the HV stuff inside > the machine. Everything else runs off 24V, there is no single wire > running through the machine carrying mains power. > Safety is a good reason. I decided I didn't care when I realized I was already running 220VAC for the spindle and 110VAC for the power feed. The Harmonic drive also needed at least 100VDC and could use 160VDC. So the step up to a completely sealed system with really nice connectors for the Bergerda sealed the deal for me.
_______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
