User`s manual

apfiff09 marine vacon • 157
24-
6
P2.8.1 Motor control mode ID600 (2.6.1)
0 q Con
Open loop frequency control:
Drive frequency reference is set to output frequency without
slip compensation. Motor speed is defined by motor load.
1
Open loop speed control:
Drive frequency reference is set to motor speed reference.
Motor speed stays the same regardless of motor load.
2
Open loop Speed or Torque control
In this control mode the drive can be selected to run in
torque control mode. The operation is selected by parameter
TorqueSpeedLimit in the Torque Reference parameter
group. The default selection is torque control mode speed
limited by ramp generator output.
3
Close loop speed control
Drive frequency reference is set to motor speed reference.
Motor speed stays the same regardless of motor load.
4
Closed loop speed or torque control
In this control mode the drive can be selected to run in
torque control mode. The operation is selected by parameter
TorqueSpeedLimit in the Torque Reference parameter
group. The default selection is torque control mode speed
limited by ramp generator output.
When the drive is follower and drive synch is enabled the motor control mode is
internally set to Frequency control.
P2.8.2 Motor control mode 2 ID521
With this parameter you can set another motor control mode which is activated with
parameter Mot Ctrl Mode1/2 .
Note: The Motor control mode cannot be changed between open loop and closed loop
while the drive is in Run state.