54
NRR 2-52, NRR 2-53, URB 55 - Installation & Operating Manual -
850646-00
Confi guring the level controller
Trend log
Open the trend log
.
Description of display
The trend log shows the characteristic curve of the
actual value (X), set point (W), manipulated variable
(Yw) and alarm limits (
) over a 7-day period.
Options:
Open the associated key
.
Open a menu bar with further
functions
:
Navigation:
Navigate forwards and backwards
on the time axis using these buttons or
by swiping horizontally
Zoom the display in/out using these
buttons or using two fi ngers (pinch
gesture)
Close the view
Trend log for a 3C controller
If the controller is confi gured as a 3C controller,
the parameters are also shown as a trend. Here,
the 3C icon (see white circle above) is additionally
shown in the Trend button.
Press this button to view the 3C trend.
You will then see the actual value (X),
corrected actual value (X1), steam
fl owrate and, as an option, the water
fl owrate.
3C icon
