ABB ACS150 series

45
Electrical installation
PNP and NPN configuration for digital inputs
You can wire the digital input terminals in either a PNP or NPN configuration.
PNP connection (source)
X1
+24 V
GND
COM
DI1
DI2
DI3
DI4
DI5
NPN connection (sink)
X1
+24V
GND
COM
DI1
DI2
DI3
DI4
DI5
External power supply for digital inputs
For using an external +24 V supply for the digital inputs, see the figure below.
PNP connection (source)
X1
+24V
NPN connection (sink)
X1
+24 V
0 V DC
+24 V DC
GND
COM
DI1
DI2
DI3
DI4
DI5
+24 V DC
0 V DC
GND
COM
DI1
DI2
DI3
DI4
DI5