July 2013 6.14 Commissioning 1027
Adjusting the current controller:
Switch on the control.
Do not acknowledge the Power Interrupted message. In the Programming
and Editing mode of operation, use the MOD key to enter the code number
688379 or 807667 (followed by the DIAGNOSIS and DRIVE DIAGNOSTICS
soft keys) to switch to the Drive Diagnostics mode of operation.
Press the I CONTROL soft key.
In the Manual mode of operation, acknowledge the Power Interrupted
message.
Use the CHOOSE AXIS soft key in the oscilloscope to select the axis to be
adjusted.
With the FACTOR P/I soft key, select the I factor and set MP2430.x = 0.
With the FACTOR P/I soft key, select the P factor.
Calculate the starting value of the P factor with the following formula:
Synchronous motor:
Asynchronous motor:
The values for XH (magnetizing reactance), F-N (rated frequency), XStr1 (stator
leakage reactance) and XStr2 (rotor leakage reactance) can be found in the
motor table. Switch to the editing mode of the motor table (APPEND MOTOR
soft key).
T
a
f
PWM
(MP2180.x)
150 3 333 Hz
120 4 166 Hz
100 5 000 Hz
75 6 666 Hz
60 8 333 Hz
50 10 000 Hz
Starting value =
100 000 · L
T
a
L
XH
2 π F-N
()1000⋅⋅ ⋅
----------------------------------------
=
L
XStr1 XStr2
+
2 π F-N()1000⋅⋅ ⋅
----------------------------------------
=
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