190
• VACON®
apfiff09 marine
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
P2.8.1
Motor control mode
ID600
“Motor Ctrl Mode”
(2.6.1)
0
“Fre
q
Control”
Open loop frequency control:
Drive frequency reference is set to output frequency without
slip compensation. Motor speed is defined by motor load.
1
“OL SpeedCont”
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
”
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
Torque Select
in the Torque Reference parameter group.
The default selection is torque control mode speed limited by
ramp generator output.
3
“CL SpeedCtrl”
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
”
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
Torque
Select
in the Torque Reference parameter group. The default
selection is torque control mode speed limited by ramp
generator output.
5
“
Sensorless
”
Sensorless speed or torque control.
To use this control mode DTC Identification or Ident All is
needed to perform.
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
“Motor Ctrl Mode2”
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.
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