Digital Dream UC300 User Manual page 5

4. Controller UC300 Power supply Solution
The power supply solution in the field of the Industrial automation is always very complicated, there is a
lot of the GND, now we descript the structure of the power structure as below:
The power structure as the Picture 4-1,Power supply input and USB port share common GND, stepper
control module,Input&Output module,Spindle control module and MPG Port share common GND, between the
two sector there is photoelectric isolation. Inside of the board, there is GND as common-.
Digital Dream Mach3 Motion Controller
Picture 4-1 UC300 Power supply structure
Page -3 UC300 User's Manual