Terminal Type
Function
2
DI1
Digital input, configurable.
Digital input 1 is factory-set to be start or stop input where an open circuit results in stop. A
jumper has been factory-fitted between terminals 2 and 6. Remove the jumper if digital input 1
is to be used as external start or stop or any other external function.
5
+5 V
Power supply to a potentiometer or sensor.
6
GND
Protective earth.
A
GENIbus, A
GENIbus, A (+).
Y
GENIbus, Y
GENIbus, Y (GND).
B
GENIbus, B
GENIbus, B (-).
3
GND
Protective earth.
15
+24 V
Power supply.
8
+24 V
Power supply.
26
+5 V
Power supply to a potentiometer or sensor.
23
GND
Protective earth.
25
GDS TX
Grundfos Digital Sensor output.
24
GDS RX
Grundfos Digital Sensor input.
7
AI2
Analog input:
0-20 mA or 4-20 mA.
0.5 - 3.5 V, 0-5 V or 0-10 V.
Related information
4.2.4 Connecting an external switch
4.2.8 Signal relays
The motor has two outputs for potential-free signals via two internal relays. You can set the signal outputs to
Operation
,
Pump
running
,
Ready
,
Alarm
and
Warning
.
The functions of the two signal relays appear from the table below:
Grundfos Eye is off
The power is off.
Operation
Pump running
Ready
Alarm
Warning
Operating mode
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
NC
NO
C
-
Grundfos Eye is rotating green
The pump or motor runs in
Normal
mode in open or closed loop.
Operation
Pump running
Ready
Alarm
Warning
Operating mode
C
NC
NO
C
NC
NO
C
NC
NO
NC
NO
C
NC
NO
C
Normal
Min.
or
Max.
Grundfos Eye is rotating green
The pump or motor runs in
Manual
mode.
22
English (GB)
Summary of Contents for RADIOMODULE 2G4
Page 2: ......