Chapter 9 Operating Instructions
M4000 Adv., Adv. A/P, Area
98 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8010797/YT72/2016-02-19
Subject to change without notice
Commissioning
For the alignment of the sender, the laser beam is deflected within the sender onto a
transparent display screen with the aid of the laser deflector mirror. As soon as correct
alignment is achieved, the display screen, which can be seen from the exterior, illumi-
nates (see Fig. 67).
Fig. 66: Alignment of the
deflector mirror to the sender
using the laser alignment aid
Note
Fig. 67: Principle of laser
deflection in the sender
Fine adjustment is performed with the
aid of the three adjusting screws.
The laser beam is incident in
the middle of the hole in the
display screen
The display screen illuminates when
the laser beam is incident on it.
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