Application Areas - SICK WSU26-2 Instrucciones De Servicio

Operating Instructions
WSU/WEU 26/2
8 008 631/P134/20-12-04 © SICK AG • Safety Systems • Germany • All rights reserved
Safety
2.2

Application Areas

The WSU/WEU 26/2 Photoelectric Safety Switch is used as an
access safety system to hazardous areas around machinery or
plant. The device is securely mounted in the access area at a
pre-determined safe distance from the hazardous point. When
the light beam is interrupted the device transmits an emergen-
cy stop signal to the machinery or plant.
Mechanical
guarding
Entry/exit
guarding
with WSU/WEU
Direction of
entry into
hazardous
area
Entry/exit safeguarding using a WSU/WEU 26/2
The following key points are important for correct operation:
WSU
System construction of the WSU/WEU 26/2
Point-of-operation
Beam diameter
23 mm
RW
0,5 ... 18 m
15 ... 70 m
GB
Chapter 2
WEU
149