Electrical installation 121
PNP configuration for digital inputs
Internal and external +24 V power supply connections for PNP configuration are
shown in the figure below.
WARNING! Do not connect the +24 V AC cable to the control board ground when the
control board is powered using an external 24 V AC supply.
NPN configuration for digital inputs
Internal and external +24 V power supply connections for NPN configuration are
shown in the figure below.
WARNING! Do not connect the +24 V AC cable to the control board ground when the
control board is powered using an external 24 V AC supply.
PNP connection (source)
X2 & X3
10 +24V
11 DGND
12 DCOM
13 DI1
14 DI2
15 DI3
16 DI4
17 DI5
18 DI6
PNP connection (source)
X2 & X3
10 +24V
11 DGND
12 DCOM
13 DI1
14 DI2
15 DI3
16 DI4
17 DI5
18 DI6
+24 V DC
0VDC
Internal +24 V power supply External +24 V power supply
Internal +24 V power supply External +24 V power supply
X2 & X3
10 +24V
11 DGND
12 DCOM
13 DI1
14 DI2
15 DI3
16 DI4
17 DI5
18 DI6
NPN connection (sink)
NPN connection (sink)
X2 & X3
10 +24V
11 DGND
12 DCOM
13 DI1
14 DI2
15 DI3
16 DI4
17 DI5
18 DI6
0VDC
+24 V DC
Note: DI6 is not supported in the NPN configuration.