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 (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.
Control unit 225
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