5motor control & motor settings, Stop – Lenze i700 User Manual
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Lenze · i700 servo inverter · Reference manual · DMS 1.5 EN · 03/2014 · TD05
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5
Motor control & motor settings
5.10
Synchronous motor (SM): Pole position identification
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Preconditions for the execution
• The motor must not be braked or blocked during the pole position identification.
• The controller is free of errors and is in the "
" device status.
Response of the motor during the execution
During the pole position identification the rotor aligns itself. The motor shaft moves by max. one
electrical revolution which causes the corresponding movement of the connected mechanical
components!
How to execute the pole position identification PPI (360°):
1. If the controller is enabled, inhibit the controller.
Enable/inhibit operation via control word
2. Set object
for axis B) to "5" to change to the "Pole position identification
PPI (360°)" operating mode.
3. Enable the controller to start the procedure.
Note: By means of controller inhibit, the procedure started can be cancelled any time, if
required, without a change in settings.
After successful completion of the pole position identification...
...controller inhibit is set automatically and the pole position specified in object
(or
for axis B) for the activated feedback system is set.
• For permanent storage, the changed settings must be uploaded to the controller from the i700
servo inverter.
The »EASY Starter« serves to save the parameter settings of the i700 servo inverter as parameter
file (*.gdc). In the »PLC Designer«, this file can then be imported in the corresponding axis.
Saving changed parameters safe against mains failure
• The controller inhibit automatically set by the procedure can be deactivated via the
Controlword (
for axis B).
Enable/inhibit operation via control word
Adapt pole position identification PPI (360°)
The above-described procedure for pole position identification can be adjusted to the respective
machine and the prevailing moments of inertia by means of the parameters described in the
following.
Stop!
If there is no temperature monitoring in the motor and/or the I²xt motor monitoring and
the maximum current monitoring are not parameterised correctly, the motor might be
damaged permanently when the current amplitude is set too high (e.g. to the maximum
value!
Monitoring of the motor utilisation (I²xt)
Monitoring of the ultimate motor current