Electrical connection
Operating instructions
CleverLevel switch, LFFS
M12 plug: 1 Brown
2 White*
3 Blue
4 Black
WARNING
* To avoid unintended Teach-In, be aware
not to connect the Teach-In pin or expose it
to any electrical noise during normal opera-
tion.
Normally open - NO
Normally closed - NC
Electrical specifications:
Power supply
12,5...36 VDC, 35 mA max.
Output
PNP, NPN or Digital
Max. 50 mA, short-circuit and high
temperature protected
1
2
5
1
2
5
1
2
5
1
2
5
1
2
5
1
2
5
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Operating instructions: 11109132 09 EN Page 7 / 20
Active “Low”
NPN and Digital output
(-VDC +2,5V) ±0,5V, R
load
= 1 kΩ
Active “High”
PNP and Digital output
(+VDC -2,5V) ±0,5V, R
load
= 1 kΩ
ATEX
Connection type Ambient temperature Media temperature
(max. allowed)
Note
G½ hygienic
-40 … +85 °C
+85 °C
3A DN38
-40 … +60 °C
+95 °C
1)
-40 … +40 °C
+115 °C
1)
100 mm
-40 … +85 °C
+85 °C
Sliding connection
-40 … +60 °C
+155 °C
1)
-40 … +40 °C
+175 °C
1)
250 mm
-40 … +85 °C
+85 °C
Sliding connection
-40 … +60 °C
+195 °C
1)
-40 … +40 °C
+200 °C
1)
Conditions for Ex certification
1)
Provided that
the sensor tip
at the instru-
ment is the
only part in
contact with
the media
