Programming - IFM Electronic efector150 KNM Serie Bedienungsanleitung

Programming

Overview of the modes and their basic functions:
• Operating mode: Normal working mode, in this mode all normal
sensor functions are active.
• Adjustment mode: Setting of the switching threshold by empty and
full adjustment
• Locking mode: Locking and unlocking of the unit possible to avoid
tampering
Empty adjustment
The unit must be adjusted after installation in the empty tank (empty
adjustment). The tank can be considered to be "empty" when the
medium to be detected is min. 20mm away from the active zone. If the
sensor detects a medium after adjustment, its switching status chan-
ges.
1 ... 5 s
Note:
The sensor is operational just with empty adjustment. However, it is
recommended to carry out a "full adjustment" with the active zone
being completely covered after empty adjustment. From the combina-
tion empty adjustment / full adjustment the internal microprocessor
determines the optimum position of the switching thresholds between
the two states. Using both adjustment criteria (empty and full adjust-
ment) results in the maximum operational reliability for the application.
For empty adjustment the internal microprocessor generates 2 values.
The first value corresponds to the sensor signal measured in the empty
state. The second value is an assumed measured value for the full state.
It is calculated from the just measured empty state and a factory signal
preset. For full adjustment this second value is replaced by a real mea-
sured value.
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Press the programming pushbutton until the
green LED flashes for min. 1s and max. 5s
(= unit is in the adjustment mode).
After adjustment the green LED lights
continuously. For the output function "NC"
the yellow LED lights additionally
(= unit is in the operating mode).