52
NRR 2-52, NRR 2-53, URB 55 - Installation & Operating Manual -
850646-00
Confi guring the level controller
Setting the MIN/MAX switchpoints and set point
Open the parameter screen.
Example: NRR 2-53 level controller
Description of parameters:
MAX alarm switchpoint
MAX switchpoint
Set point
MIN switchpoint
MIN alarm switchpoint
For each switchpoint, press the relevant button
and enter the required value using the virtual
keypad.
The icons in the buttons change
colour to indicate switchpoints/alarm
points that are too high or too low.
Description of bar charts:
X
Actual value (uncompensated)
X1
Actual value (compensated), 3C con-
troller (not shown here)
W
Set point
The set point is shown in the actual
value bar chart with a small arrow.
Yw
Manipulated variable
Change of colour on alarm
The bar chart column turns red in the event
of an alarm.
Icons and functions that vary depending
on confi guration:
Valve controller
If the controller is confi gured as a
valve controller, valve actuation after
Close/Open is shown by green valve
icons on the manipulated variable bar
chart.
Pump controller
If the controller is confi gured as a
pump controller, the pump icon is
shown when the pump is active.