3 Controller
Additional Axis Function 3-51
■Installing an EMC noise filter
Fig.3-12: Example of EMC noise filter installation
(1) Line noise filter
This filter is effective in suppressing noises radiated from the power supply side and output side of the servo amplifier
and also in suppressing high-frequency leakage current (zero-phase current) especially within 0.5MHz to 5MHz band.
Fig.3-13: Example of noise filter installation
MCCB
EMC filter
Surge protector
Power supply
1
123
2
3
4L1
L2
L3
L11
L21
5
6
E
MC
Servo amplifier
Note 1)
Note 2)
Note 1) For 1-phase 200V to 230VAC power supply, connect the power supply to L1, L2 and leave L3 open.
There is no L3 for 1-phase 100 to 120 VAC power supply.
Note 2) The example is when a surge protector is connected.
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