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
-
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
Normal
Min.
or
Max.
Grundfos Eye is rotating green
The pump or motor runs in Manual mode.
22
English (GB)
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