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Programming Your Application
1-103
690+ Series Frequency Inverter
SLIP COMP
Designed for VOLTS/Hz motor Control Mode.
The slip compensation function block allows the
Inverter to maintain motor speed in the presence
of load disturbances.
Functional Description
Based on the rated speed, the no load speed and the rated load of the motor, the slip
compensation block adjusts the demand frequency to compensate for any speed slippage
resulting from the load.
Speed
Rated
Speed
No Load Speed
(synchronous speed)
Rated
Torque
Torque
Slip Comp
FALSE
–
[ 82] ENABLE
–
** 150.0 rpm
–
[ 85] MOTORING LIMIT
–
** 150.0 rpm
–
[ 86] REGEN LIMIT
–
MMI Menu Map
1
SETUP
2
MOTOR CONTROL
3
SLIP COMP
ENABLE
MOTORING
LIMIT
REGEN
LIMIT
Parameter Descriptions
ENABLE
Range: FALSE / TRUE
For the slip compensation to be operational this must be TRUE.
MOTORING LIMIT
Range: 0.0 to 600.0 rpm
The maximum trim that will be produced by the slip compensation block when the motor is
driving the load (motoring).
REGEN LIMIT
Range: 0.0 to 600.0 rpm
The maximum trim that will be produced by the slip compensation block when the motor is
being driven by the load, (regenerating).