Lutz-Jesco MEMDOS SMART LD, Руководство по эксплуатации

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Electrical installation
Description of connection sockets
29
© Lutz-Jesco GmbH 2015
Subject to technical changes.
150302 BA-10102-02-V02
Stepper motor-driven diaphragm dosing pump MEMDOS SMART LD Operating Instructions
9.2 Description of connection sockets
Fig. 29: Connection sockets 1 – 3
Inputs Connection socket
Release input 1
Pulse input 2
Level input 3
Table 20: 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.
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 21: Connection socket 1
* Applies to cable colours of cables from Lutz-Jesco GmbH. No liability is
accepted for cables from other manufacturers.
For setting the
External On/Off
function, see chapter 11.3 „Extern An /
Aus über Freigabeeingang“ auf Seite 37.
Removing the conductive rubber band
Fig. 30: 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 Abb. 30.
9.2.2 Connection socket 2
9.2.2.1 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 depend-
ence on the number of pulses and the pulse spacing.
n
Provided potential-free contact
n
for potential-free NO contact, e.g. a contact-type water meter
n
Pulse length min. 4 ms
n
Connection M12x1 cable with plug connector, A-coded
n
Assignment of pin 1, 3
For information on setting the
External
operating mode, see chapter
11.2.2 „Externer Betrieb“ auf Seite 35.
Pin M12x1
(A-coded)
Assignments Connection Cable colour*
1 Pulses
1
3
Brown BN
2 - White WH
3 Ground (GND) Blue BU
4 - - - Black BK
Table 22: Connection socket 2
* Applies to cable colours of cables from Lutz-Jesco GmbH. No liability is
accepted for cables from other manufacturers.