Electrical installation
Description of connection sockets
23
© Lutz-Jesco GmbH 2017
Subject to technical changes.
170502
BA-10010-02-V01
Solenoid-diaphragm dosing pump
MAGDOS LA / LD
Operating instructions
9.2 Description of connection sockets
Not all versions of the dosing pump provide all the features described
here. Every section heading includes the versions which apply to the
section.
Fig. 17: Connection sockets 1 – 3
Inputs
Connection socket
Clearance signal input
1
Analogue or pulse signal input
2
Level signal input
3
Table 15: Inputs of the control unit
9.2.1 Connection socket 1
9.2.1.1 Release input
Using the Release input, it is possible to start or stop the dosing pump
externally.
To set the function, see section10.2.3 „Release input“ on page 25.
n
Potential-free contact
n
Connection M12x1 cable with plug connector, A-coded
n
Assignment of pin 3, 4
Pin
M12x1
(A-coded)
Assignments
Connection
Cable colour
1
-
-
Brown
BN
2
-
-
White
WH
3
Ground (GND)
3
4
Blue
BU
4
External On/Off
Black
BK
Table 16: Connection socket 1
* Applies to cable colours of cables from Lutz-Jesco GmbH. No liability is
accepted for cables from other manufacturers.
Removing the conductive rubber band
Fig. 18: Conductive rubber band in connection socket 1
Remove the conductive rubber band before inserting the cable in the
connection socket.
After the cable has been removed, the conductive rubber band must be
reinserted in the connection socket. Insert it between pins 1+2 and 3+4
as shown in Fig. 18.
Connection socket 2
9.2.1.2 Analogue input (only LA)
The analog input makes it possible to control the delivery capacity by
means of a 0/4 – 20 mA signal. The delivery capacity is regulated via the
stroke frequency.
n
0/4 – 20 mA Signal
n
Invertible
n
Current range variable
n
Working resistance: 200 Ohm (because of the electronic fuse), not
potential-free
Pin
M12x1
(A-coded)
Assignments
Connection
Cable colour
1
-
-
-
Brown
BN
2
(+) 0/4 – 20 mA
3
2
White
WH
3
Ground (GND)
Blue
BU
4
-
-
-
Black
BK
Table 17: Connection port 2 - analogue input
* Applies to cable colours of cables from Lutz-Jesco GmbH. No liability is
accepted for cables from other manufacturers.
Summary of Contents for MAGDOS LA
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