Bekamatic
®
Industry
ed. April 2006 ENGLISH
18/21
The alignment procedure is quit simple. It is mainly sufficient to align each pair of
photocells this way that they ‘look’ at each other. To align the photocells, loosen the
‘block’-screw inside the photocell and manually align the lens to ‘look’ at the other
photocell. Do not forget to tighten the screw after completion of alignment.
Tip: if the photocells suffer from interference with sunlight and/or other light sources,
it is recommended to align the receiver so that is ‘looks down’ from the straight line
between the receiver and the transmitter.
3. Three- or four-pair photocell set-up
In a ‘three- or four-pair photocell’ set-up, three or four pairs of photocells are used.
This means that always two receivers must be placed in the same post and that both
the transmitters must be placed in the opposite post. This set-up makes it possible
that the two pairs will interfere with each other. The only way to prevent interference
is excellent alignment of these two pairs of photocells. The following procedure may
be used.
Step 1: Disconnect one of the transmitters on the guiding post.
Step 2: Align the remaining transmitter so that it covers both receivers. This is ok if
the controller shows no PC error and the LED’s on both receivers are off.
Step 3: Turn the transmitter outwards so that it covers only his mating receiver. This
is ok when the controller shows a PC error and the LED of his mating receiver is off
and the LED of the other receiver is on.
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08-05-2006 09:11:19
08-05-2006 09:11:19
