29
ISP
Isolating transformer
+Vs
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| DC power common is internally | |
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Heatsink | connected to control common | ||||
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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.
ISP - Rev 6/95