Grundfos Conex DIA-2 Installation And Operating Instructions Manual page 41

11.6.4 Adaptation
An adaptation can be started to simplify the setting of
the controller parameters.
The adaptation is only available for PI and PID
controllers.
1. Start adaptation in the "controller" menu (main
menu) under "adaptation" by pressing "start".
chlorine
0.43
mg/l
adaptation
Fig. 33 Chlorine measurement with adaptation
of continuous controller
2. Return to the display "measured value"
automatically. A black bar on the display
indicates the adaptation process. The LED next
to the [Man] button flashes during the whole
adaptation. A progress bar shows the
advancement of the adaptation.
• The configured controllers can only be adapted
separately.
• On upward control, the measuring value has to
be more than 20 % below the setpoint.
• On downward control, the measuring value has
to be more than 20 % above the setpoint.
In case of a fault, the message "Start conditions
false" is shown directly after the start.
3. The message "adaptation successful" is shown
after ending the adaptation.
4. Press [OK] or [Esc] to quit. The determined
controller settings are automatically adapted by
the parameterisation of the controller. They are
displayed in the adaptation menu under
"adapt. result".
5. If the adaptation was not successful, the message
"adaption abortive" is shown. Press [OK] or [Esc] to
quit.
The adaptation may be aborted in the following
cases:
• If an error message was shown during the
adaptation.
• If the controller is set to manual operation.
• If the standstill time was more than one hour.
• If the total measuring time was more than two
hours.
With selected temperature/pH
measurement, the temperature value, pH
Note
value and their compensations will not be
displayed during the adaptation.
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