Grundfos CMBE 1-44 Installation And Operating Instructions Manual page 11

Connection terminals for inputs and outputs, FM 200.
See fig. Connection terminals, FM 200.
Terminal Type
NC Normally closed contact
C1 Common
NO Normally open contact
NC Normally closed contact
C2 Common
NO Normally open contact
10 DI3/OC1
4 AI1
2 DI1
5 +5 V
6 GND
A GENIbus, A
Y GENIbus, Y
B GENIbus, B
3 GND
15 +24 V
8 +24 V
26 +5 V
Function
Signal relay 1 (LIVE or PELV)
Signal relay 2 (PELV only)
Digital input/output, configurable.
Open collector: Maximum 24 V resistive or inductive.
External sensor.
Pressure sensor: Pressure signal, 0.5 to 3.5
V. Connect the white wire to this terminal.
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 termi-
nals 2 and 6. Remove the jumper if digital in-
put 1 is to be used as external start or stop or
any other external function.
Power supply to a potentiometer or sensor
Protective earth
GENIbus, A (+)
GENIbus, Y (GND)
GENIbus, B (-)
Protective earth
Power supply
Power supply
Power supply to a potentiometer or sensor.
Pressure sensor: Voltage supply, +5 VDC,
PELV. Connect the brown wire to this terminal.
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