Burkert Type 8625 - Manual (Page 20)

18 - 8625-2 Standard
english
Î After switching to the manual mode,
the current actual value is displayed.
manual mode activated
Display of actual value
Fig.: Displayed after switching to the manual mode
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 of the pulse-duty factor of the valve
Display in manual mode
As soon as the correcting variable is
changed by pressing the
key or
key, the display switches
automatically to the value of the
correcting variable. After releasing the
key, the curent value is shown again.
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 proportional
valve.
Î Press the key in the manual mode. On release of the key, you
will return to the standard mode.
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 a first retained. By pressing the arrow keys, the correcting variable
can be increased or decreased.
Fig.: Display of the pulse-duty factor of the valve