Operating Instructions
L 4000 system
Fig. 6: Access guarding
with L 4000 system
8010009/TI69/2009-11-26
Product description
3.4
Example application
The L 4000 system is used as access protection on hazardous areas
on machines or plant (Fig. 6). The sensors are permanently mounted
in the access area with the necessary safety distance from the near-
est hazardous point and send a shut down signal to the machine or
plant when the light beam is interrupted.
Mechanical
protection
Access guarding
with L 4000 system
Direction of entry
into hazardous
area
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
Chapter 3
Hazardous
point
293