IFM Electronic KNM Serie Bedienungsanleitung Seite 10

The sensor characteristics of a capacitive unit (medium sensitivity,
humidity compensation etc.) depend strongly on the mounting posi-
tion. Consequently, you can fully benefit from the technical advan-
tages of the unit's electronically controlled adjustment when mounting
has been completed.
sensor not in
direct contact with the medium
Setting
The sensor is set via 2 inductive
Teach-In elements (functions *SET
and MODE).
If you touch the marked field with a
metal object (e.g. screwdriver), the
respective Teach-In element is acti-
vated.
If you remove the object again from the field, the respective Teach-in
element is deactivated again. In the text below "actuation" means
activating and then deactivating a Teach-In element with a metal
object by touching and removing without special time requirements.
* The SET function is also possible via the programming wire "CAL" (not for
article KNM.../OF). The programming wire "CAL" is electrically connected with
wire "N" to activate the function.
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sensor in
direct contact with the medium