Ultrasonic Double Sheet Monitor UDC-18GMA-400-3E2
Installation and adjustment
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ab
ed
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4
7
Subject to reasonable modifications due to technical advances.
Copyright Fuchs, Printed in Germany
Fuchs Group • Tel.: Germany (06 21) 7 76-0 • USA (330) 4 25 35 55 • Singapore 7 79 90 91 • Internet http://www.pepperl-fuchs.com
Fig. 5.1:
Recommended spacings and angular settings
Fig. 5.2:
Max. permissible misalignment of the sensor heads
To ensure proper functionality of the double sheet control, the sensor heads
must be aligned at an angle of from
β
= 0° to +/- 45° to the perpendicular in
reference to the sheet plane; see Fig. 5.1.
Installing the sensor heads vertical to the sheet plane is adequate for most
applications .
With very thin sheets, we recommend aligning the sensor heads vertically to
the sheet plane (
β
= 0°); see Fig. 5.1.
For very thick sheets, we recommend installing the sensor heads at an angle
of
β
= 35°; see Fig. 5.1.
The sheet is guided at a distance of a = 10 mm ... 15 mm above the emitter;
see Fig. 5.1.
Recommended distances
d
b
a
a = 5 ... 15 mm
b
≥
10 mm
d = 40 ... 45 mm
β
= 35˚
(for very thick Papers)
a
d
b
β
Dimension b: see table in chapter programs
α
s
α
< +/- 1˚
s
< +/- 1 mm
Thin foil detection
