Learning Advanced Features
Note
Dwell operation does not work when:
• Dwell operation time is set to 0 sec or dwell frequency is set to 0 Hz.
• Re-acceleration is attempted from stop or during deceleration, as only the first acceleration dwell
operation command is valid.
[Acceleration dwell operation]
Although deceleration dwell operation is carried out whenever stop commands are entered and
the deceleration dwell frequency is passed through, it does not work during a deceleration by
simple frequency change (which is not a deceleration due to a stop operation), or during external
brake control applications.
[Deceleration dwell operation]
When a dwell operation is carried out for a lift - type load before its mechanical brake is released,
motors can be damaged or their lifecyle reduced due to overflow current in the motor.
5.7 Slip Compensation Operation
Slip refers to the variation between the setting frequency (synchronous speed) and motor rotation
speed. As the load increases there can be variations between the setting frequency and motor
rotation speed. Slip compensation is used for loads that require compensation of these speed
variations.
To Next Page
Loading...
