Mounting; Safety Distance - SICK WSU26-2 Instrucciones De Servicio

Chapter 5
5

Mounting

8 008 631/P134/20-12-04 © SICK AG • Safety Systems • Germany • All rights reserved
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Mounting
Provisionally install the Photoelectric Safety Switch, coarsely
aligned. This alignment is done with the help of the sight groo-
ve on the upper section of the housing and the lateral beam
marking.
5.1

Safety distance

The WSU/WEU must be attached such that, if the light beam is
broken during hazardous movement of the machinery, the
point-of-operation can only be reached when this hazardous
movement has ceased. For this purpose, a safety distance S
must be maintained between the nearest boundary of the
Mechanical
guarding
Entry/exit
guarding
with WSU/
Direction of
WEU
entry into ha-
zardous area
Safety distance between the nearest boundary of the point-of-ope-
ration and the light beam
Operating Instructions
WSU/WEU 26/2
Point-of-operation
S