Festo Кабели и принадлежности User Manual

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4. Commissioning

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Festo P.BE−SPC200−SMX−1−EN en 0503b

Reference travel modes (see also Fig. 4/6):

Mode

Description

Accepting the current axis position as reference point

Reference travel in negative direction to reference switch
(REF) with acceptance as reference point

Reference travel in negative direction to negative limit
switch (LIM−) with acceptance as reference point

Reference travel in positive direction to reference switch
(REF) with acceptance as reference point

Reference travel in positive direction to positive limit
switch (LIM+) with acceptance as reference point

Note that reference travel with modes 1 and 3 will result in
different reference points.

During reference travel the axis moves according to Fig. 4/6.
The mechanical arrangement of the reference or limit
switches clearly determines the reference point of an axis. In
each case, the position accepted as reference point is that at
which the slide leaves the switching range of the sensor.

Caution
If an incorrect reference travel mode is set, this can lead to
collisions, as all positions of the axis refer to the reference
point.

When carrying out reference travel, make sure that the
correct mode is used.