IFM LK81 Manuel De L'utilisateur page 35

Step Programming
9 Configuration of the switching outputs
(setting of the switching functions for OUT1, OUT2, OUT3.
4 settings can be selected: hysteresis- (H..) or window
function (F..), as normally open (.no) or normally closed
(.nc).
10 Configuration of the overflow output (OUT-OP
2 settings can be selected: Hno (hysteresis function as
normally open) and Hnc (hysteresis function as normally
closed).
Note: For safety reasons the normally closed function
(Hnc) is recommended for OU4. The principle of normally
closed operation ensures that wire break or cable break
are detected.
11 Setting the Switch-off delay for OUT1
(for example for specially long pump cycles).
setting range: 0 ... 5 s in steps of 0.2s.
dr1 is active only if OU1 = Hno or Hnc.
12 Empty adjustment of the OP segment
Return to the main level of the menu (by repeatedly
pressing the Mode/Enter button).
Carry out an empty adjustment of the OP segment after
mounting of the unit at the intended mounting location.
The tank may be partly filled. During the adjustment
operation, the OP segment must however not be covered
by the medium, otherwise malfunctions may occur.
Minimum distance between OP and the medium during
adjustment:
• LK8122: 2.0 cm / 0.8 inch
• LK8123: 3.5 cm / 1.4 inch
• LK8124: 5.0 cm / 2.0 inch
Adjustment operation:
• Press the Mode/Enter button until cOP is displayed.
• Press the Set button and keep it pressed.
cated (flashing). Release the button when the display
stops flashing.
• If adjustment is successful, rdy is indicated. Return to
the menu by pressing the Mode/Enter button.
During the adjustment the unit checks the installation
conditions by evaluating the measured signal generated
by the OP element. If the measured signal is invalid (if for
Parameter
is indi-
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