Before Using this Device
SF4C Safety light curtain
22
NOTE
Since the calculation above is performed by taking 1inch = 25.4mm, there is a
slight difference between the representation in mm and that in inches. Refer to
the relevant standard for details.
2.4.3 Influence
of
Reflective Surface
!
DANGER!
If the device is installed in a place where there are reflective
surfaces, make sure to install this device so that reflected light
from the reflective surfaces does not affect the receiver.
Alternatively, take countermeasures such as painting, masking,
roughening, or changing the material of the reflective surfaces,
etc. Failure to do so may cause the sensor not to detect properly,
which may result in death or serious injury.
Install this device at a distance of at least 0,16m away from reflective surfaces such as metal
walls, floors, ceilings, workpieces, covers, panels or glass surfaces.
Side view
Top view
Reflective ceiling
Emitter
Receiver
Sensing range
Reflective floor
0,1 - 3m
0,16m
0,16m
Reflective surface
Emitter
Receiver
Sensing range
0.16m
0.1 - 3m
2.4.4 Device
Placement
If there is a problem with the wiring or when you need to evaluate the system before you add
further equipment, place two or more sets of emitters and receivers facing each other without
series or parallel connection between them. Perform an operation test (see page 56).
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