49
Contrinex Industrial Electronics
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The installation and inspection of the protective device must be per-
formed by trained and qualified specialists, i.e. personnel technically
experienced in operating the machinery and the specific protective de-
vice involved, and well aware of the applicable safety regulations and
standards.
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The employer must ensure that all machine operators, maintenance
personnel, supervisors, etc. are familiar with and understand all instruc-
tions regarding the proper use of the light curtain, the machinery on
which it is installed and the appropriate safety regulations. Operators
must be instructed and trained by qualified specialists.
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Optoelectronic protective devices cannot be used as stand-alone solu-
tions if the operator is exposed to any risk of injury from flying or splash-
ing (e.g. molten) materials. Light curtains do not offer protection against
flying objects.
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The machine for which the safety light curtain is installed must be able to
stop its motion at any point in its cycle.
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Light curtains cannot be used on any machinery that has an irregular
stopping time or inadequate control devices or mechanisms.
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Light curtains cannot be used where the environment may weaken the
efficiency of the protective device.
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If the light curtain cannot protect all accesses to the hazardous area,
additional safeguards, such as mechanical guards, may be required.
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All brakes and other stopping mechanisms and controls must be in-
spected regularly to ensure they are in proper working order. If the stop
mechanisms are not performing properly, the machine may not stop
safely even though the light curtain is functioning properly.
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The test procedure described in this instruction manual must be per-
formed during installation and after any maintenance, cleaning, adjust-
ment, repair or modification to the light curtain, or the machine. In ad-
dition, the test procedure must be carried out every time the system is
started, in general, once a day.
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The log file presented in this manual must be used to document the
regular testing of Safetinex products. Contrinex AG declines any re-
sponsibility if the test procedure has not been carried out as prescribed
in this instruction manual and fully documented in the log file. Testing
ensures that the light curtain and the machine control system properly
stop the machine.
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The device contains no parts that require maintenance. In case of failure,
do not open the device, but send it to manufacturer for repair. Opening
the device or implementing unauthorized changes voids any warranty.
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Contrinex AG declines any responsibility if the protective device is not
used for its specific purpose, or if it has been modified, whether before,
during or after installation.
The enforcement of these requirements is outside Contrinex’s control. The
employer is responsible for following the above provisions and any other
procedures, conditions and requirements specific to the machinery.
