BENSHAW Rsi S Series, Инструкция по эксплуатации

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Learning Advanced Features
133
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]
Deceleration dwell operation is carried out whenever stop commands are entered and the
deceleration dwell frequency is reached. It does not work during a deceleration by frequency
reference 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, motors can be damaged if the mechanical
brake is not released.
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. Parameter settings in the table below are based on a 0.75kW, 4 pole motor.
Run cmd
Frequency
Changes in
frequency reference
Acc. dwell time
Acc. dwell
frequency
Run cmd
Frequency
Changes in
frequency reference
Dec. dwell time Dec. dwell time
Dec. dwell
frequency