SICK deTec4 Core

8 Operation
8.1 Safety
DANGER
H
azard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of non-
observance.
b
Maintenance work, alignment work, fault diagnoses, and any changes to the inte‐
gration of the protective device in the machine must only be carried out by quali‐
fied personnel.
b
The effectiveness of the protective device must be checked following such work.
DANGER
H
azard due to lack of effectiveness of the protective device
Persons and parts of the body to be protected may not be recognized in case of non-
observance.
b
Make sure that the optical properties of the front screens of the sender and
receiver are not changed, e.g., by:
°
beading water, mist, frost, or ice formation. If applicable, remove films or
other types of contamination, disconnect the voltage supply of the receiver
and then switch it back on.
°
Scratches or damage. Replace the device whose front screen is scratched or
damaged.
b
Make sure that all reflective surfaces and objects maintain a minimum distance
from the protective field.
b
Make sure that no dispersive media (e.g., dust, fog, or smoke) are within the calcu‐
lated minimum distance from the protective field.
NOTE
This document does not provide information on operating the machine in which the
safety light curtain is integrated.
Further topics
•
"Minimum dis
tance to reflective surfaces", page 21
8.2 Regular thorough check
The check must detect if it is possible to enter the hazardous area without being
de
tected. Such possibilities may exist due to modifications, manipulations or external
influences.
b
C
arry out the checks according to the instructions from the manufacturer of the
machine and from the operating entity.
8 O
PERATION
50
O P E R A T I N G I N S T R U C T I O N S | deTec4 Core 8014253/ZOH3/2017-08-04 | SICK
Subject to change without notice