Run mode
Normal operating mode
At power on the unit is in the Run mode. It carries out its measure-
ment and evaluation functions and provides output signals according
to the set parameters.
The display shows the current system pressure. The yellow LED indi-
cates the switching state of the output.
Display mode
Indication of parameters and the set parameter values
When the "Mode/Enter" button is pressed briefly, the unit passes to
the Display mode which allows parameter values to be read. The inter-
nal sensing, processing and output functions of the unit continue as if
in Run mode.
• The parameter names are scrolled with each pressing of the
"Mode/Enter" button.
• When the "Set" button is pressed briefly, the corresponding para-
meter value is displayed for 15s. After another 15s the unit returns
to the Run mode
Programming mode
Setting of the parameter values
While viewing a parameter value pressing the "Set" button for more
than 5s causes the unit to enter the programming mode. You can
alter the parameter value by pressing the "Set" button and confirm
the new value by pressing the "Mode/Enter" button. The internal
sensing, processing and output functions of the unit continue as if in
Run mode with the original parameter values unless a new value is
confirmed.
The unit returns to the Run mode when no button has been pressed
for 15s.
18
Operating modes
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