4. Commissioning
4-36
Festo P.BE-SPC11 -SY S-EN en 0205a
4.4.4 Using the taught mid-position as a sensor position
The mid-positions can also be used as sensor positions, as
the relevant output (O3...O4) supplies a 1-signal for 50 ms
when the mid-positions are overrun.
Example 1: Change of direction
Please note
If the SPC11 is to be controlled directly via the “sensor
signal”, please note that:
– The distance between the taught mid-position and the
mechanical end position must be correspondingly long,
as the braking procedure is not started until the signal
has been recognized.
A premature change of direction can be implemented with the
aid of a taught mid-position (P.03...4). The relevant output
(O3...O4) of the SPC11 supplies a 1-si gnal for 50 ms when the
moveable mass has travelled the corresponding stretch. The
moveable mass will then be brought back to the end position
by means of an input signal.
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