User Manual Of EL7-EC** AC Servo
49
2.11.1 Grounding connection and other anti-interference wiring
connections
CK2
U
PE
W
V
Contactor
L1
L3
L2
Line
Filter
Servo Drive
Encoder
Grounded
Ground
bar
3.5mm
2
or above
2.0mm
2
or
above
3.5mm
2
or above
Servo motor frame should be grounded. Please connect the PE terminal of servo
motor and servo drive and ground them together to reduce interference.
Ground both ends of the foil shield of encoder cable.
2.11.2 Using line filter
To reduce interference from main power supply cable and to prevent from affecting
other sensitive components around the servo drive, please choose a line filter based on
actual supply current. Please do be aware of the following mistake when installing a line
filter.
Do not band the main power supply cable together.
Contactor
Line
Filter
Contactor
Line
filter
AC
P
ow
er
S
uppl
y
Wrong
Correct
L1
L2
L3
AC
P
ow
er
S
uppl
y