
PSEN opII4F Series
Operating Manual PSEN opII4F Series
1003502-EN-09
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No. Action
OK
NOT OK Notes
5
Check protected field
Has the ability to creep underneath the pro-
tected field undetected been excluded?
6
Check safety light curtain
Make sure that there are no objects in front
of the safety light curtain (trailing cable,
crossbeams, struts, covers, etc.).
Make sure that there are no transparent ma-
terials between the monitored protected
field and the safety light curtain (such as the
glass panel).
Are all the mechanical connections on the
safety light curtain attached correctly?
Are all the electrical connections to the
safety light curtain wired correctly?
It the beam coding displayed correctly at the
transmitter?
7
Check the effectiveness of the safety
light curtain during the hazardous move-
ment
Is the safety light curtain effective through-
out the whole of the plant/machine's hazard-
ous movement?
8
Check the output circuitry of the pro-
grammable safety and control system
Have OSSDs been incorporated as required
for the desired safety category?
Are the switching elements that are connec-
ted to the OSSDs (valves, contactors, etc.)
monitored with feedback loops?
Does the wiring of the OSSDs match the cir-
cuit diagram?
9
Check guard function for protected field
of the safety light curtain:
Interrupt the protected field at various
points:
The hazardous movement must be shut
down.
10
Switch off safety light curtain
Is the hazardous movement stopped imme-
diately when you switch off?