Siemens SINUMERIK 808D ADVANCED Series Commissioning Manual page 85

Digital outputs
The diagram below shows you how to connect the connector pins of the digital outputs at interface X301 (example). You can
connect connector X302 in the same way.
To supply the digital outputs, you must connect an external 24 VDC power supply (X301, X302: pins 47, 48, 49, 50).
You must also connect the reference ground of the external power supply to X301, X302: Pin 1 (M).
Note
You must ensure that the maximum current consumption at pin 47, pin 48, pin 49 or pin 50 does not exceed 1 A.
Note
You must connect the 24 V power supply for the digital outputs to all the four power input pins (X301, X302: pins 47, 48, 49,
50).
External power supply
When using an external power supply for the digital inputs, you must connect the reference ground to X301, X302: Pin 1 (M).
Connecting according to the default PLC program
The control system has integrated with a default PLC application. If you perform the commissioning work with the default
PLC application, arrange wiring as follows.
Commissioning Manual
85
6FC5397-4EP10-0BA8, 07/2018