Operation &
display unit
Power supply
AC
AC FG
NPS1
Main control
unit
AC AC FG
2
2 ~ 3.5 mm
2
2 mm
W
V
U
FG
To the next
drive
Batch grounding of cabinet
Grounding
Fig. 3.6.1
– 46 –
W
V
U
FG
Wire of sectional area protecting
faulty current of servo unit
STE 73843