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8.8 Parameter setting via the teach input
The teach input must be activated� This requires previous configuration via
IO-Link (→ 8.4), parameter [ou2] = [tch]�
Output OUT2 must be configured as hysteresis function (Hnc or Hno)�
If the window function is set, an error during teaching results
(→ 8.8.3 Error during teaching)�
Only output OUT2 is available in the teach mode� In the teach mode the
LEDs indicate the switching status of output OUT2�
8.8.1 Carry out the full adjustment via teach input
► Fill the tank until the probe tip is completely covered�
► Apply Ub+ to pin 4 for >2 ��� < 5 s�
The tool which is available for this process is the teach button (accessory)�
> LEDs are flashing with2 Hz ( )�
> After teaching the LEDs light for 2 s, then the colours change to regular
operating mode (table → 8.8.2)�
8.8.2 Changing the output function
Output OUT2 can be changed from "NC" (Hnc) to "NO" (Hno) and vice versa�
► Apply Ub+ to pin 4 for >5 ��� < 10 s�
> LEDs are flashing, first with 2 Hz ( ), after 5 s with a 1 Hz double flashing
( )�
> After the change the LEDs light for 2 s� Then the colours change to regular
operating mode (table below)�
> After the successful changeover, the LEDs light as follows:
No medium detected LEDs = yellow (for Hnc) LEDs = green (for Hno)
Medium detected LED2 = green (for Hnc) LED2 = yellow (for Hno)
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