IS620P User Manual Chapter 3 Wiring of Servo System
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1) Anti-interference wiring example
Figure 3-17 Anti-interference wiring example
R
S
T
U
V
W
M
CN2
EMI
filter
Servo drive
Grounding
Grounding plate
> 3.5 mm
2
> 2.0 mm
2
> 3.5 mm
2
PG
For the grounding cable connected to the casing, use a cable of at least 3.5 mm
2
thick. Plain stitch
copper wires are recommended.
If an EMI îš¿lter is used, observe the precautions as described in section 3.6.2.
2) Grounding
To prevent potential magnetic interference, conduct grounding correctly according to the
following instructions.
a. Grounding the motor housing
Connect the grounding terminal of the servo motor to the PE terminal of the servo drive
and ground the PE terminal, to reduce potential magnetic interference.
b. Grounding the shield of the power cable
Ground both ends of the shield or metal conduit of the motor main circuit. Crimping is
preferable to ensure good contact.
c. Grounding the servo drive
Ground the PE terminal of the servo drive properly. The screw of this terminal must be
îš¿xed solidly to ensure good contact.
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