Operation
Operating modes
42
Solenoid-Diaphragm Dosing Pump
MAGDOS LP
© Lutz-Jesco GmbH 2014
Operating Instructions
BA-10231-02-V03
11.2.2 Analog input
In
Analog input
operating mode, an external 0/4 - 20 mA signal,
which is connected to the analogue input (see „Connection socket 2“ on
page 29) controls the stroke frequency.
11.2.2.1 Selecting the operating mode
1.
Press
Menu
.
2.
Use the
or
key to choose the
Operating mode
menu item
and press
OK.
3.
Use the
or
key to choose the
Analog input
menu item and
press
OK
.
The dosing pump displays the current configuration of this oper-
ating mode's parameters (Menu 3.21).
Fig. 11-6: Parameters of the operating mode
4.
Press
OK
.
The dosing pump displays the start screen of
Analog input
mode.
Fig. 11-7: Start screen of Analog input
11.2.2.2 Setting the signal mode
You have the option of setting a 0 - 20 mA signal or a 4 - 20 mA one.
1.
Press
Setup
.
The dosing pump displays the current configuration of this oper-
ating mode's parameters (Menu 3.21).
2.
Press
Setup
.
3.
Use the
or
key to choose the
O/4..2OmA
menu item and
press
Setup
.
4.
Press
Mode
to set 0 - 20 mA or 4 - 20 mA.
5.
Press
OK
.
The dosing pump displays the current configuration of this oper-
ating mode's parameters (Menu 3.21).
6.
Press
OK
.
The dosing pump displays the start screen of
Analog input
mode.
The signal mode is set.
11.2.2.3 Setting the current value for 0 % delivery capacity
1.
Press
Setup
.
The dosing pump displays the current configuration of this oper-
ating mode's parameters (Menu 3.21).
2.
Press
Setup
.
3.
Use the
or
key to choose the
0% current
menu item and
press
Setup
.
4.
Use the
+
and
-
keys to set the desired current value. Admissible
values are in the range 0.00 - 20.00 mA. The value that is displayed
in brackets indicates the actual connected current value.
5.
Press
OK
.
The dosing pump displays the current configuration of this oper-
ating mode's parameters (Menu 3.21).
6.
Press
OK
.
The dosing pump displays the start screen of
Analog input
mode.
The current value for 0 % delivery capacity is set.
11.2.2.4 Setting the current value for 100 % delivery capacity
1.
Press
Setup
.
The dosing pump displays the current configuration of this oper-
ating mode's parameters (Menu 3.21).
2.
Press
Setup
.
3.
Use the
or
key to choose the
100% current
menu item and
press
Setup
.
4.
Use the
+
and
-
keys to set the desired current value. Admissible
values are in the range 0.00 - 20.00 mA. The value that is displayed
in brackets indicates the actual connected current value.
5.
Press
OK
.
The dosing pump displays the current configuration of this oper-
ating mode's parameters (Menu 3.21).
6.
Press
OK
.
The dosing pump displays the start screen of
Analog input
mode.
The current value for 100 % delivery capacity is set.
Pressing
Menu
does not interrupt dosing!
You do not stop the dosing pump until you change to a
different operating mode using the menu.
i
Analog input
0% = 4.00 mA
100% = 20.00 mA
4..20 mA
OK
Setup
3.21
Menu
Analog input
Menu
Start
Liter
h
0%
0.00
Setup
To process a 20 - 4 mA (inverted) analogue signal, you must
configure parameter
0% current
to 20 mA and parameter
100% current
to 4 mA.
i
