Siemens SINUMERIK 840D sl Manual page 58

Interfaces
6.7 Power supply X124
Note
The 24 V is looped through via the 24 V connector. In this case, pin 1 is jumpered with pin 2,
and pin 3 is jumpered with pin 4.
Position of power supply interface
Figure 6-9
Application of X124
This interface is provided exclusively for connection to the external power supply.
See also
Power supply (Page 33)
58
Power supply interface
Manual, 07/2007, 6FC5397-0AP10-2BA0
NCU