ABB ACS355 User Manual page 52

52 Electrical installation
Voltage and current connection for analog inputs
Bipolar voltage (-10...10 V) and current (-20...20 mA) are also possible. If a bipolar
connection is used instead of a unipolar one, see section
inputs on page 130 for how to set parameters accordingly.
Unipolar voltage
1...10 kohm
PNP and NPN configuration for digital inputs
You can wire the digital input terminals in either a PNP or NPN configuration.
PNP connection (source)
External power supply for digital inputs
For using an external +24 V supply for the digital inputs, see the figure below.
PNP connection (source)
0 V DC
+24 V DC
Frequency input
If DI5 is used as a frequency input, see section
to set parameters accordingly.
Bipolar voltage
SCR
AI
GND
+10V
+10 V GND -10 V
X1
9 +24V
10 GND
11 DCOM
12 DI1
13 DI2
14 DI3
15 DI4
16 DI5
X1
9 +24V
10 GND
11 DCOM
12 DI1
13 DI2
14 DI3
15 DI4
16 DI5
Programmable analog
Unipolar/Bipolar current
SCR
AI
GND
Use external power supply.
NPN connection (sink)
X1
10 GND
11 DCOM
12 DI1
13 DI2
14 DI3
15 DI4
16 DI5
NPN connection (sink)
X1
10 GND
+24 V DC
11 DCOM
0 V DC
12 DI1
13 DI2
14 DI3
15 DI4
16 DI5
Frequency input
SCR
AI
GND
9 +24V
9 +24V
on page 133 for how