Manual Mode - Burkert 8624-2 Standard Instructions De Service

6.5

Manual 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.
With this key you increase the pulse-duty factor of the proportio-
nal valve, i.e. the latter opens up to a max. of 100%.
With this key you reduce the pulse-duty factor of the proportional
valve.
Press the
will return to the standard mode.
Display in manual mode
Display of actual value
Manual mode activated
Fig.: Display after switching to the manual mode
Display of the pulse-duty factor of the valve
Fig.: Display of the pulse-duty factor of the valve
NOTE
18 - 8624-2 Standard
key in the manual mode. On release of the key, you
As soon as the correcting variable is changed by
pressing the
automatically to the value of the corecting varia-
ble. After releasing the key, the current value is
shown again.
The display 0 % corresponds to the minimum pulse-duty factor
to the PWM signal set in the menu item VALV: 100 % corresponds
to a pulse-duty factor of 100 %.
After switching to the manual mode,
the current actual value is displayed.
or key, the display switches