Wiring
‑60‑
● When connecting an external power supply to the control circuit or a 24 VDC
power supply, pay attention to the power capacity as insufficient power capacity
will lead to insufficient supply current, resulting in failure of the servo drive or the
brake. This is especially true when the power supply is used to power up multiple
servo drives or brakes. The brake must be powered up by a 24 VDC power supply
that matches the motor model and meets the brake power requirements.
Note
[1] CN3 and CN4 are identical communication interfaces with the same pin assignment, and
either can be used.
Observe the following precautions when connecting the external regenerative resistor:
● Remove the jumper between P⊕ and D before using the external regenerative
resistor. Failure to comply will result in overcurrent and damage the braking
transistor.
● Do not connect the external regenerative resistor to the positive or negative pole
of the bus directly. Failure to comply will damage the servo drive or cause a fire.
● Select a resistor with resistance higher than the minimum permissible value.
Failure to comply will result in Er.201 (Overcurrent) or damage the servo drive.
● Make sure parameters H02‑25 (Regenerative resistor setting), H02‑26 (Power of
external regenerative resistor) and H02‑27 (Resistance of external regenerative
resistor) are set properly before operating the servo drive.
● Install the external regenerative resistor on an incombustible object such as a
metal.
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