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MDS-E/EH Series Instruction Manual
14 Appx. 5: EMC Installation Guidelines
14.5.4 Servo/Spindle Motor Encoder Cable
Use a shield pair cable for encoder cable of the servo motor to earth on NC side (inside the control panel.) Mounting a ferrite
core directly behind the unit connector is also effective in suppressing noise.
< Installation example >
Operation panel
Control unit
To motor encoder
To motor power
Control panel
As close
10cm or less
as possible
To drive unit
Batch shield pair cable
Encoder cable for servo motor
Control panel
Drive unit
Optical cable
Ferrite core
Shield earth
Ferrite core
503
Connector
Power supply unit
Magnetic
contactor
ACL
EMC filter
Power
supply
IB-1501229-F
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