Grundfos RADIOMODULE 2G4 - Page 19

Connection terminals for the mains supply
Phases Terminals
Single-phase N, PE, L
Three-phase L1, L2, L3, PE
Connection terminals for inputs and outputs
DANGER
Electric shock
Death or serious personal injury
‐ Make sure that the wires to be connected to the connection groups below are separated from each other by reinforced insulation
in their entire lengths.
3
15
8
26
23
25
24
7
B
Y
6
5
2
4
10
A
AI2
GDS RX
GDS TX
GND
GENIbus A
GENIbus B
+5 V
+24 V
+24 V
GND
GENIbus Y
GND
+5 V
DI1
AI1
DI3/OC1
+24 V*
+
+
+24 V*/5 V*
+24 V*
+5 V*
NC
C2
NO
NC
C1
NO
+24 V*
+
+
+24 V*/5 V*
+24 V*
+24 V*
OC
DI
GND
TM053510
Terminal Type Function
NC Normally closed contact
Signal relay 1. LIVE or PELV.C1 Common
NO Normally open contact
NC Normally closed contact
Signal relay 2. PELV only.
C2 Common
NO Normally open contact
10 DI3/OC1
Digital input/output, configurable.
Open collector: Maximum 24 V resistive or inductive.
4 AI1
Analog input:
0-20 mA or 4-20 mA
0.5 - 3.5 V, 0-5 V or 0-10 V.
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.
19
English (GB)