IS620P User Manual Chapter 6 Troubleshooting
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Cause Conîš¿rming Method Corrective Action
3 Input reference
is higher than the
overspeed level.
•
Check whether the motor speed
corresponding to the input reference
exceeds the overspeed level.
When the reference source is pulse
reference in the position control mode:
Motor speed (rpm) =
Input pulse frequency (Hz)
Encoder resolution
x Electronic gear ratio
x
60
For the IS620P servo drive, the
encoder resolution = 1048576 (P/r)
For the IS600P servo drive, the
encoder resolution = 10000 (P/r)
•
In the position control
mode:
When the reference
source is pulse reference,
reduce the pulse
reference frequency in the
prerequisite of ensuring
accurate positioning or
decrease the electronic
gear ration if the motor
speed allows.
•
In the speed control mode:
View the speed reference
and speed limit (H06-06
to H06-09) and conîš¿rm
that they are within the
overpseed level.
•
In the torque control mode:
Set the speed limit within
the overspeed level. For
the speed limit in the
torque control mode, see
the details on page 95.
4.The motor speed
overshoots.
•
Check whether the speed feedback
exceeds the overspeed level through
the drive debugging platform of
Inovance.
Adjust the gain or adjust
the mechanical condition by
referring to chapter 4.
5.The servo drive is
faulty.
•
The fault remains after the servo drive
is re-powered on.
Replace the servo drive.
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