M Series AC Servo
User Manual
57
Rev. 1.0
7/31/2019
400-820-9661
4.10 EMC Control
The servo pack uses high-speed switching electronic components.
Peripheral devices may receive switching noise.
The servo pack uses microprocessor that may receive switching noise
from peripheral devices.
Follow the EMC specifications and measures described in this manual when installing and wiring.The
servo pack conforms to relevant standard under
：
●
EN 61800-3
To prevent the noise the servo pack and peripheral devices from causing a malfunction, Take the following
precautions against noise as required.
■
Position the input reference device and noise filter as close to the drive as possible.
■
Always ensure correctly grounding.
■
Do not bundle or run the main circuit cables together with the I/O signal cables or encoder cables
in the same duct.Keep the main circuit cables separated from these signal cables with a gap of at least
30cm.
■
Use twisted pair and shield cables for singal inputs and outputs.
4.10.1 Noise filter
Installing a noise filter in the appropriate place will minimize the noise as much as possible.
The following diagram shows an solution of wiring for noise control.
Noise filter
Servo drive
Controller
Protec�ve earth
Noise filter for signal wires
Noise filter
for signal wires
CN2
Mandatory requirments to conform to EMC:
1) Remove the paint layer on the contact surface when the drive is mounted on a metal plate.
2) Position the input noise filter as close to the drive as possible
3) Always ensure correctly grounding
4) Use shield cables for main circuit. Shield of cable should be directly grounded to PE connector.
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