Baumer FLDK 110G1303/S14 사용자 설명서 - 페이지 21

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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.

Manual SCATEC-2

Version 2021-09

www.baumer.com

Baumer Electric AG

Frauenfeld, Switzerland