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ISP - Rev 6/95
DC power common is internally
connected to control common
Heatsink
Isolating transformer
ISP
+Vs
Guide lines for connecting a non isolated amplifier with an isolating power transformer
Ground:
DC power common
Motor chassis
Amplifier's heat sink
Do not ground:
Control common - It is internally connected to the power common. Grounding the control
common will create a ground loop.
Caution:
- If source of motor command is grounded, use amplifier's differential input.
Otherwise, ground loop is created.