Power Supply Connection - Grundfos Conex DIA-G Instrucciones De Instalación Y Funcionamiento

Assignment
Bat ok
mA
mA
Sensor 1
Sensor 2
S1
S2

10.2 Power supply connection

Before connecting, check that the values
for the supply voltage and frequency
Caution
correspond to the values on the
nameplate.
Voltage supply for Conex
• Connect the protective conductor (PE) to terminal
5.
• Connect the neutral conductor (N) to terminal 3.
• Connect the phase (L1) to terminal 1.
Voltage supply for Conex
• Connect + to terminal 19.
• Connect - to terminal 20.
Terminal
+ 37
- 38
+ 39
- 40
43
Screen
+ 41
- 42
44
Screen
- 45
47
Screen
+ 49
- 46
48
Screen
+ 50
1
0
1
0
®
DIA-G at 110-240 V:
®
DIA-G at 24 VDC:
Description
Battery backup: working
Analog output sensor 1
Analog output sensor 25
Connection for amperometric sensor 1
Connection for amperometric sensor 2
Selection switch for sensor interface termination
resistor
Position 1: On
Position 0: Off
Selection switch for CAN interface termination
resistor
Position 1: On
Position 0: Off
Switch the device on and off by switching
the power supply on and off accordingly.
Note
The device itself is not equipped with a
separate on/off switch.
Voltage supply for electrically isolated relay
contacts:
• Connect the protective conductor (PE) to terminal
6.
• Connect the neutral conductor (N) to terminal 4.
• Connect the phase (L1) to terminal 2.
21