ABB ACH480 Series - NPN Configuration for Digital Inputs; Connection for Obtaining 0

NPN configuration for digital inputs
Internal and external +24 V power supply connections for NPN (sink) configuration are
shown in the figure below.
External +24 V power supplyInternal +24 V power supply
0 V DC
+24 V DC
DI1
DI2
DI3
DI4
DI5
DI6
+24 V
DGND
DCOM
DI1
DI2
DI3
DI4
DI5
DI6
+24 V
DGND
DCOM
Connection for obtaining 0 … 10 V from analog output 2 (AO2)
To obtain 0 … 10 V from analog output AO2, connect a 500 ohm resistor (or two 1 kohm
resistors in parallel) between AO2 and AGND. Examples are shown in the figure below.
AO2
AGND
500 ohm
0…10 V
AO2
AGND
1 kohm
0…10 V
1 kohm
Analog output 2. Default output 0 … 20 mA.AO2
Analog common ground.AGND
Electrical installation – IEC 77