Description Of Connection Sockets - Neptune NXP-M Operating Instructions Manual

Stepper motor-driven diaphragm dosing pump NXP-M and NXP-P

9.2 Description of connection sockets

Fig. 20: Connection sockets 1 – 3
Inputs
Release input (NXP-M and NXP-P)
Pulse input (only NXP-P)
Level input (only NXP-P)
Table 16: 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.
Potential-free contact
n
Connection M12x1 cable with plug connector, A-coded
n
Assignment of pin 3, 4
n
Pin M12x1 Assignments
(A-coded)
1 - -
2 - -
3 Ground (GND)
4 External On/Off
Table 17: Connection socket 1
* Applies to cable colours of cables from Neptune. No liability is accepted
for cables from other manufacturers.
External On/Off
For setting the
/ Off via Release input" on page 32.
Subject to technical changes.
Connection socket
1
2
3
Connection Cable colour*
- Brown
- White
Blue
3
4
Black
function, see chapter 11.3 "External On
Removing the conductive rubber band
Fig. 21: 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 and 2 and 3
and 4 as shown in Fig. 21.
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.
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
n
For information on setting the
11.2.2 "External operation" on page 31.
Pin M12x1
(A-coded)
1 Pulses
2 -
3 Ground (GND)
4 - -
BN
Table 18: Connection socket 2
WH
* Applies to cable colours of cables from Neptune. No liability is accepted
BU
for cables from other manufacturers.
BK
Operating instructions
External
operating mode, see chapter
Assignments Connection
Brown
1
White
3
Blue
- Black
Electrical installation
Description of connection sockets
Cable colour*
BN
WH
BU
BK
25