￭ Additional information on I/O connections
PNP configuration for digital inputs
Internal and external +24 V power supply connections for PNP configuration are shown
in the figure below.
External +24 V power supply
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
0 V DC
Internal +24 V power supply
PNP connection (source)
X2 & X3
10 +24V
11 DGND
12 DCOM
13 DI1
14 DI2
15 DI3
16 DI4
17 DI5
18 DI6
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
Internal and external +24 V power supply connections for NPN configuration are shown
in the figure below.
External +24 V power supplyInternal +24 V power supply
NPN connection (source)NPN connection (source)
X2 & X3
10 +24V
11 DGND
12 DCOM
13 DI1
14 DI2
15 DI3
16 DI4
17 DI5
18 DI6
0VDC
+24 V DC
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.
144 Electrical installation – IEC
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