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
With standard product delivery,
analog inputs 1 and 2 are used
by the sensor.
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
Ground.
A
GENIbus, A
GENIbus, A (+).
Y
GENIbus, Y
GENIbus, Y (GND).
B
GENIbus, B
GENIbus, B (-).
3
GND
Ground.
15
+24 V
Power supply.
8
+24 V
Power supply.
26
+5 V
Power supply to potentiometer and sensor.
23
GND
Ground.
25
GDS TX
Grundfos Digital Sensor output.
24
GDS RX
Grundfos Digital Sensor input.
7
With standard product delivery,
analog inputs 1 and 2 are used
by the sensor.
AI2
Analog input:
0-20 mA or 4-20 mA.
0.5 - 3.5 V, 0-5 V or 0-10 V.
6.3.2 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.
10
English (US)
