E1 Series Servo Drive User Manual Electrical Planning
HIWIN MIKROSYSTEM CORP. 5-11
Figure5.1.3.1
(3) The ground wire must be as short as possible. Parallel and single-point grounding is suggested.
(4) If servo motor is insulated from machine, ground the servo motor directly.
(5) If there is high frequency generator (such as electric welding machine, electric discharge machine or
frequency converter) in servo system, the high frequency generator must be grounded
independently to avoid interference to other device.
(6) When servo motor is grounded through a machine, switching noise current may flow out from the
servo drive main circuit via the stray capacitance of the servo motor. To avoid the above situation,
connect the frame or ground terminal of the servo motor to the ground terminal of the servo drive.
Then ground the ground terminal of the servo drive. When linear motor is used, both the forcer
and stator must be grounded.
(7) When control signal cable is interfered, connect its shield to its connector shell. Then perform
grounding.
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