Operating Instructions
Level measurement
CleverLevel
®
LBFH/I
Point level detection – hygienic/industrial
BU
YE
GN
BU = blue: SW2 active
YE = yellow: SW1 active
GN = green: Both switch outputs inactive.
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14.3 LED factory settings
LED function (Standard version)
SW1*
SW2*
LED indicator
0
0
Green
1
0
Yellow
0
1
Blue
1
1
Blue
Error
Error
Flashing red
Short circuit Short circuit
Red
*1 = active, 0 = inactive
Color examples
To ensure a fully functional adaptive trigger, the
following conditions have to be fulfilled:
The sensor has to be in air during startup.
The input signal has to be steady.
The difference between the value for untriggered
and the value for triggered must be more than
3 %.
If a new medium with a DC value lower than
the previously con
fi
gured DC value has to be
detected, the sensor tip should be cleaned before
the new medium i
s fi
lled in the tank or pipe.
For more information, refer to the HELP menu in
FlexProgram.
Adaptive trigger – Output setup
SW1 (NO) / SW2 (NO)
Factory setting
Disabled
0 %
100 %
0 ms
Advanced setup
Set point low
Set point high
Damping
Steady detection
Active
14.2 Window trigger
The window trigger is used to cause a sensor switch to react within a speci
fi
c range, for example, in order
to isolate a speci
fi
c medium. The switching window can be con
fi
gured 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
(%)
100
0
0
0
2
0
5
0
8
100
1
2
3
4
I
I
II
II
1
2
3
4
Good conductive medium
Adhesion from good conductive adhesive
medium
Oily medium
Air
Con
fi
guration example for a vessel that can be
fi
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 (N
C
)
Factory setting
0 %
75.3 %
2.4 %
Switch window, min.
Switch window, max.
Switch window, hysteresis
Damping
0.1 s