Configuration
Function blocks
Internal motor control with vector control (MCTRL2)
8
8.2
8.2.7

8.2−61
EDSVF9383V EN 7.1−04/2012
Vector control
Use C0021 to change the influence of the rotor resistance (C0082)
proportionally:
Æ’ Reduce the value in C0021 at an increasing speed (negative values)
Æ’ Increase the value in C0021 at a decreasing speed
 Note!
When setting the vector control mode, the slip compensation
(C0021) is automatically set to 0.0 %.
Æ’ When you switch back to the V/f characteristic control mode,
the slip compensation must be re−adapted.
If the motor may only rotate in one direction, you can limit the output
voltage generation to one direction of rotation via C0909.
Code Description
C0909 = 1 The motor rotates in both directions
C0909 = 2 Motor rotates clockwise, "positive direction of rotation"
(View of the motor shaft)
C0909 = 3 Motor rotates counter−clockwise, "negative direction of rotation"
(View of the motor shaft)
Slip compensation
Inhibiting the direction of
rotation
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