8.7.9 Set-up - Level sensor
In this menu, the tank level sensor signal can be calibrated and the
PLC input can be set.
The sensor signal
X
is mapped to the tank level range (
L
).
Menu action
Required user level
Access menu
3
System Service
Change settings
3
System Service
PD412E-D1310
Fig. Set-up - Level sensor
Display text/
Symbol
Description
X
MAX
Upper limit of sensor input signal (PLC input
value). The sensor values are inverse, the
maximum sensor value represents the minimum
tank value and vice versa.
X
:
Actual sensor input signal (PLC input value)
Push this symbol to start the automatic calculation
of the
X
MIN
value.
X
MIN
Lower limit of sensor input signal (PLC input value)
L
MIN
Minimum tank level
L
MAX
Maximum tank level
LI:
Actual tank level
Tf
Value for signal smoothing.
Push this symbol to revert to the previous menu.
8.7.10 Trend 1h / Trend 24h
In these menus, the preparation process trend can be viewed.
Menu action
Required user level
Access menu
1
System Operator
PD412E-D1501
Fig. Trend 1h
This menu shows the data for the dilution water flow and the tank
level of the past hour or the past 24 hours.
The vertical bar in the middle of the screen defines the point in time
for which the two data rows at the bottom display the values. It can
be moved left or right.
Symbol
Description
Push this symbol to switch between the
menus
Trend 1h
and
Trend 24h
.
Push this symbol to revert to the previous menu.
29
English (GB)
