Grundfos Polydos 412E, Инструкция по установке и эксплуатации

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8.7.7 Set-up - Flow sensor
In this menu, the water flow sensor signal can be calibrated and the
PLC input can be set.
The sensor signal
X is mapped to the measuring range ( F ) of the
sensor.
Menu action Required user level
Access menu 3 System Service
Change settings 3 System Service
PD412E-D1
110
Fig. Set-up - Flow sensor
Display text/
Symbol
Description
X
MAX
Upper limit of sensor input signal (PLC input value)
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)
FI: Actual water flow rate
F
MIN
Minimum flow rate. The value depends on the size
of the Polydos and is shown on the sensor name
plate.
F
MAX
Maximum flow rate. The value depends on the size
of the Polydos and is shown on the sensor name
plate.
F
SH
Upper limit of the water flow rate. See menu Water
unit .
F
SL
Lower limit of the water flow rate. See
menu
Water unit .
Tf Value for signal smoothing.
Push this symbol to revert to the previous menu.
Related information
8.7.6 Water unit
8.7.8 Tank
In this menu, the settings of the tanks and the stirrers can be
viewed and changed.
Menu action Required user level
Access menu
Change settings (stirrer,
concentration)
1 System Operator
Change settings (tank
level)
2 System Parameter
PD412E-D1300
Fig. Tank
Display text/
Symbol
Description
Mode after
preparation:
Defines the behaviour of the stirrers after the
preparation phase.
Stop : All stirrers are switched off after preparation.
Shut-down delay operation : All stirrers keep
running for the time period defined in
field
T
ON
after preparation.
Interval operation : All stirrers run for the time
period defined in field T
ON
. Then they stop for the
time period defined in field T
OFF
. This cycle is
repeated continuously.
Continuous operation : All stirrers keep running
after preparation.
Level sensor. Push this symbol to open the
menu
Set-up - Level sensor . Next to the symbol,
the actual filling level of the storage chamber is
indicated in %.
LSAH
Filling level that triggers the overflow alarm. This
alarm deactivates the automatic mode.
LSH
Filling level that stops the preparation process in
automatic mode.
LSL
Filling level that starts the preparation process in
automatic mode.
LSAL Filling level that triggers the dry-run alarm.
Concentrati
on: Concentration of the polymer solution produced by
the system.
Push this symbol to revert to the previous menu.
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English (GB)