Burkert Type 8623 - Manual (Page 21)

8623-2-Standard - 19
english
6.5 Manual mode
Î With this key you increase the pulse-duty factor of the
proportional valve, i.e. the latter opens up to a max. of 100%.
Î With this key you reduce the pulse-duty factor of the propor-
tional valve.
Î Press the key in the manual mode. On release of the key,
you will return to the standard mode.
The manual mode can be activated from the standard mode by briefly pressing
the
key.
In the manual mode there is no control: the value of correcting variable last
calculated is at first retained. By pressing the arrow keys, the correcting variable
can be increased or decreased.
Î After switching to the manual mode,
the current actual value is displayed.
manual mode activated
display of actual value
Display of the pulse-duty factor of the valve
The display 0 % corresponds to the minimum pulse-duty factor
of the PWM signal set in the menu item VALV: 100 %
corresponds to a pulse-duty factor of 100 %.
NOTE
Display in manual mode
As soon as the correcting variable is changed by
pressing the
or key, the display switches
automatically to the value of the corecting varia-
ble. After releasing the key, the current value is
shown again.