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The line voltage may change when the electropump is started. The line voltage may undergo variations depending on other devices
connected to it and on the quality of the line
2.5
Electrical connections for auxiliary inputs and outputs
The pump has a connector for configurable user inputs and outputs.
The following figure shows the connector contacts, while the table below sums up the arrangement of the signals.
Figure 4b
The output is made from a relay (clean contact between the RELAY signals pin 1 and pin2), with the following electrical characteristics.
Type of contact
Max. bearable voltage [V]
Max. bearable current [A]
Max. bearable power
The functions that can be activated on the output contact are described in paragraph 6.2.5.5.
The following inputs are available (see also par. 6.2.5.4):
1. A digital input (between the IN2 and GND signals), with clean contact (maximum voltage 5Vdc, maximum current 1mA); the closed contact
means "run", the open contact means "stop".
PIN NAME
1
IN0_D
2
IN0_A
3
GND
4
OUT COM
5
OUT NO
6
IN1_D
7
IN2_D
8
IN3_D
9
OUT NC
10 GND
11 IN4_D
12 N.U.
Tabel 2a – Arrangement of the signals on the connector
Characteristics of the output contacts
Table 2b - Output contact
ENGLISH
Figure 4a
Wire Color
SIGNAL DESCRIPTION
RED
Digital Input 0 (start/stop)
BROWN
Analog Input 0 (0-10V or 4-20mA)
BLACK
Earth
BLUE
Output relay: Common Contact
WHITE
Output relay: Contact Normally Open
PINK
Digital Input 1
GREEN
Digital Input 2
YELLOW
Digital Input 3
VIOLET
Output relay: Contact Normally Closed
GREY
Earth
RED/BLUE
Digital Input 4
PINK/GREY
Not used
NO (normally open)
24Vac / 24Vdc
2A
-> resistive load 1 A
-> inductive load
2.5VA / 2W
9
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