7 Commissioning
7.1 Safety
Important information
DANGER
H
azard due to lack of effectiveness of the protective device
When changes are made to the machine, the effectiveness of the protective device may
be affected unintentionally.
b
After every change to the machine and changes to the integration or operational
and secondary conditions of the safety light curtain, check the protective device
for effectiveness and recommission as specified in this chapter.
DANGER
Dangerous state of the machine
b
Make sure that the dangerous state of the machine is (and remains) switched off
during mounting, electrical installation, and commissioning.
b
Make sure that the outputs of the safety light curtain do not affect the machine
during mounting, electrical installation, and commissioning.
DANGER
H
azard due to lack of effectiveness of the protective device
b
Before commissioning the machine, make sure that the machine is first checked
and released by qualified safety personnel.
b
Only operate the machine with a perfectly functioning protective device.
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.
Further topics
•
"Minimum dis
tance to reflective surfaces", page 21
7 C
OMMISSIONING
44
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
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