9.5 Signal sequence
Every output pulse is preceeded by a flash of the yellow edge-LED, however, not every flash of the
yellow edge-LED is followed by an output pulse! The yellow edge-LED lights as long as an edge is
located in the beam. Whether this edge actually results in an output pulse or not depends on the current
settings. The pulse could still be suppressed due to restrictions imposed by the dead-time or pulse
length (see section 6).
Because the yellow edge-LED lights up exactly during the time an edge is in the laser beam, the
flashing of the yellow LED may become difficult to recognize by eye when fine edges pass the sensor at
high speed. Consequently, at high conveying speed and/or fine edges, supposedly absent flashing of
the yellow LED does not necessarily mean malfunction of the sensor.
not every flash of the yellow edge-LED is followed by an output pulse
at a high conveying speed the flashing of the yellow edge-LED may be difficult to recognize
9.6 Applications outside the paper processing industry
Due to the fundamental principle of edge detection employed by the SCATEC-2, the field of application
for the sensor is not restricted to the paper processing industry. For applications concerning high-gloss
surfaces (e.g. sheet metals), it is advisable to consult a technician from Baumer Electric AG on the
application.
10 Specifications
10.1 Mechanical and thermal data
Sensor size 110 x 50 x 30 mm
Housing material plastic (PA6.6)
Front window glass
Weight approx. 130 g
Protection class IP 54
Working temperature range 0°C to +50°C (non-condens ing)
Storage temperature -20°C to +60°C
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Sensor-Typ A B
FLDK .../S14 M12x1 8.5
FLDK .../S42 M16x0.75 11.8
Beam angle
α
FLDK 110x1003/Sxx 65°
FLDK 110G1005/Sxx 81°
FLDK 110G1006/Sxx 81°
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