Grundfos NBE Series - Page 17

Terminal Type Function
12 AO
Analog output:
0-20 mA or 4-20 mA
0-10 V.
9 GND Protective earth.
14 AI3
Analog input:
0-20 mA or 4-20 mA.
0.5 - 3.5 V, 0-5 V or 0-10 V.
1 DI2 Digital input, configurable.
21 LiqTec sensor input 1
LiqTec sensor input.
White conductor.
20 GND
Protective earth.
Brown and black conductors.
22 LiqTec sensor input 2
LiqTec sensor input.
Blue conductor.
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.
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.
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