°
T
est rod check, page 28
°
Visual check of the machine and the protective device, page 29
•
How often does the check have to be carried out?
•
Do the machine operators have to be notified of the check and do they need to be
instructed accordingly?
b
Define all guidelines for the check.
4.5.1 Test rod check
Overview
T
he rod test check is used to check whether the hazardous point is only accessible via
the protective field of the safety light curtain and whether the protective device is able
to identify each time the hazardous point is approached.
The test is carried out with an opaque test rod whose diameter corresponds to the reso‐
lution of the safety light curtain.
Important information
DANGER
Use of incor
rect test rods
Persons or parts of the body to be protected may not be detected in operation.
b
Only use the included test rod with the diameter specified on the type label of the
safety light curtain.
b
Do not use any test rods with a similar or the same diameter of other safety light
curtains.
DANGER
H
azard due to unexpected starting of the machine
b
Make sure that the dangerous state of the machine is and remains switched off
during the check.
b
Make sure that the outputs of the safety light curtain have no effect on the
machine during the check of the components.
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.
Do not operate the machine if the OSSD LED lights up green during the test!
b
If the OSSD LED lights up green during the test even if only briefly, work must stop
at the machine.
b
In this case, the mounting and electrical installation of the safety light curtain
must be checked by qualified safety personnel.
Prerequisites
•
The OSSD LED lights up green.
4 PROJECT PLANNING
28
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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