SICK WEU26-3 - Page 21

Operating Instructions Chapter 4
WSU/WEU263
8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 21
Subject to change without notice
Mounting
90˚
90˚
W
EU
WSU
500 mm
WEU26-3 receiver Distance deflector mirror – WSU/WEU26-3
Low scanning range 0.5 ... 7.5 m
High scanning range > 7.5 m
If there are reflective surfaces in the area of the light path between the sender and
receiver or such surfaces may occur, the alignment of the system must be adjusted:
Sender and receiver must always be aligned such that there are no reflecting surfaces in
the area of the field of view (see Fig. 13).
90˚
90˚
WEU
WSU
90˚
90˚
WEU
WSU
Fig.
11
:
Two
-
beam protection
with one system
WSU/WEU26&3
Tab.
8
:
Distances of the
deflector mirrors
Note
Fig.
12
:
Incorrect alignment
of sender and receiver
Fig.
13
:
Correct alignment of
sender and receiver
D
eflector mirror
Deflector mirror
Distance deflector mirror
–
WSU/WEU26
-
3
Deflector mirror
Deflector mirror
Field of view 5°
Fie
ld of view 5°
Reflective surface
Deflector mirror
Deflector mirror
Reflective surface