ABB ACH580-31 - NPN Configuration for Digital Inputs (X2 & X3); Connection for Obtaining 0; Connection Examples of Two-Wire and Three-Wire Sensors to Analog Input (AI2)

WARNING!
Do not connect the +24 V AC cable to the control unit ground when the control
unit is powered from an external 24 V AC supply.
￭
NPN configuration for digital inputs (X2 & X3)
Internal and external +24 V power supply connections for NPN configuration are
shown in the figure below.
External +24 V power supply
NPN connection (sink)
X2 & X3
10 +24V
11 DGND
12 DCOM
13 DI1
14 DI2
15 DI3
16 DI4
17 DI5
18 DI6
0 V DC
+24 V DC
Internal +24 V power supply
NPN connection (sink)
X2 & X3
10 +24V
11 DGND
12 DCOM
13 DI1
14 DI2
15 DI3
16 DI4
17 DI5
18 DI6
Note: DI6 is not supported in the NPN configuration.
WARNING!
Do not connect the +24 V AC cable to the control unit ground when the control
unit is powered from an external 24 V AC supply.
￭
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 analog output AO2 and analog common
ground AGND.
X1
8AO2
9AGND
500 ohm
X1
8AO2
9AGND
1kohm 1kohm
0…10 V
0…10 V
￭
Connection examples of two-wire and three-wire sensors to analog
input (AI2)
Note: The maximum capability of the auxiliary voltage output (24 V DC [250 mA])
must not be exceeded.
140 Control unit