Lutz-Jesco MAGDOS LP, Operating Instructions Manual

Page: 29 / 76

Electrical installation
Description of connection sockets
29
© Lutz-Jesco GmbH 2014
Subject to technical changes.
140327
Solenoid-Diaphragm Dosing Pump MAGDOS LP Operating Instructions
BA-10231-02-V03
9.2.1 Connection socket 1
9.2.1.1 Stroke feedback output
At the stroke feedback output, the dosing pump reports back each
executed stroke to the pulse input of another dosing pump. In this way,
it is possible to network several dosing pumps and to trigger synchro-
nized dosing strokes.
Fig. 9-2: Synchronization of several dosing pumps by means of stroke feedback and pulse
control

Optocoupler, max. 30 V DC, 5 mA

Assignment of pin 1, 2
9.2.1.2 Release input
Using the Release input, it is possible to start or stop the dosing pump
externally.

Potential-free contact

Programmable NC or NO contact

Assignment of pin 3, 4
* Applies to cable colours of cables from Lutz-Jesco GmbH. No liability
is accepted for cables from other manufacturers.
9.2.2 Connection socket 2
9.2.2.1 Analog input
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.

0/4 - 20 mA Signal

Invertible

Current range variable

Working resistance: 150 Ohm
For information on setting the Analog input operating mode, see
page 42.
9.2.2.2 Pulse input
The pulse input makes it possible to control the delivery capacity by
means of pulses. The system regulates the delivery capacity by means
of the dosing pump's stroke frequency and number of strokes in
dependence on the number of pulses and the pulse spacing.

Provided potential-free contact

For potential-free NO contact, e.g. a contact-type water meter

5 V DC supply voltage (current across all connections limited to a
total maximum of 50 mA)

Pulse length min. 4 ms
For information on setting the Pulse input operating mode, see
page 43.
* Applies to cable colours of cables from Lutz-Jesco GmbH. No liability
is accepted for cables from other manufacturers.
Pin M12x1
(A-coded)
Assignments Connection Cable colour*
1 Optocoupler
collector (+) Brown BN
2 Optocoupler
emitter (-) White WH
3 Ground (GND) Blue BU
4 External On/Off Black BK
Table 9-3: Connection socket 1
1
2
3
4
Pin M12x1
(A-coded)
Assignments Connection Cable colour*
1 Pulses
Pulse input:
Analog input:
Brown BN
2 (+) 0/4 - 20 mA White WH
3 Ground (GND) Blue BU
4 - + 5 V DC - Black BK
Table 9-4: Connection socket 2
1
3
3
2