6 drive functions, 1 homing, Drive functions – Festo Контроллеры двигателя SFC-LAC User Manual
Page 164: Homing
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5. Commissioning
5−62
Festo GDCP−SFC−LACI−CO−EN en 0812NH
5.6
Drive functions
5.6.1
Homing
When the device is switched on, homing must be carried out
before a positioning task can be executed.
The drive homes against a stop or a reference switch. A stop
is reached when there is an increase in the motor current at
the same time as the drive shaft comes to a stop. As the drive
must not position continuously against the stop, it must move
at least 1 mm into the stroke range again (offset axis zero
point).
Sequence:
1. Search for the reference point in accordance with the
configured method.
2. Move from reference point to axis zero point (offset axis
zero point).
3. Set at axis zero point:
Actual position = 0 ć project zero point offset (i.e. −PZ).
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