Re: Best Practice - Wiring Multiple Voltage DC Power Supplies
If there is no other extenuating circumstances, this is the method I prefer and have used so far without any problems, also the commons are connected to the star point Earth ground plate connection.
Some manufacturers of equipment in this environment specify to keep everything isolated which in most case I believe is a theory that if everything is kept separate there can be no come back in blaming their product.
Also if P.C. based such as Mach etc, the P.C. port common is at earth potential already.
Al.
CNC, Mechatronics Integration and Custom Machine Design
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E.