Operating Instructions
Level measurement
CleverLevel
®
PL20H/S
Adaptive trigger – hygienic/industrial
14.3 Window trigger
The window trigger is used to cause a sensor switch to react within a specic range, for example, in order
to isolate a specic medium. The switching window can be congured within a range from 0 … 100 %. The
window trigger is recommended for detecting and separating different layers, for example oil from water or
foam from beer.
Sweep Range (%)
Signal
(%)
1000
0205
0 100
1 2 3 4
II IIII
1 Good conductive medium
2 Adhesion from good conductive adhesive
medium
3 Oily medium
4 Air
Conguration example for a vessel that can be
lled with either a good conductive adhesive
medium (e.g. fruit preparation) or with an oily
medium (e.g. chocolate mix).
Switch windows I and II in this example are set to
achieve the following goals:
to detect the fruit preparation (1)
to exclude adhesion from fruit preparation (2)
to identify the chocolate mixture (3)
For more information, refer to the HELP menu in
FlexProgram.
Window trigger – Output setup
SW1 (NO) / SW2 (NO) Factory setting
Switch window, min. 0 %
Switch window, max. 75.3 %
Switch window, hysteresis 2.4 %
Damping 0.1 s
14.4 LED factory settings
LED function*
SW1 SW2 LED color
0 0 Green
1 0 Yellow
0 1 Cyan
1 1 Blue
Error Error Flashing red
Short circuit Short circuit Red
*1 = active, 0 = inactive
Color examples
YE GN
CY BU
YE = SW1 active
CY = SW2 is active
BU = Both SW1 and SW2 are active
GN = Both SW1 and SW2 are inactive
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