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2. Operating modes
Run mode:
(Normal operating mode)
When the supply voltage has been applied, the unit is in the Run
mode. It monitors and switches the transistor output according to the
set parameters. The value of the analog output depends on the
system pressure.
The display shows the current system pressure, the red LED indicates
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 5 s. After another 5 s the unit returns to
the Run mode.
Programming mode:
(Setting of the parameter values)
The unit passes to the programming mode when after the selection of
a parameter value (Display mode) the "Set" button is pressed until the
display of the parameter value is changed. Internally the unit remains
in the operating mode. It continues its monitoring function with the
existing parameters until the change has been terminated.
You can change the parameter value by pressing the "Set" button and
confirm it by pressing the "Mode/Enter" button. The unit returns to
the Run mode when no button has been pressed for 5 s.
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