Connection of the Components
5.6 Electronics Power Supply
Guide for the SINUMERIK 840D sl machine configuring
Manual, 07/2006 Edition, 6FC5397-6CP10-0BA0
5-47
If the maximum current carrying capacity of the 24 V busbar of 20 A is exceeded, an
additional infeed of the electronic current must be provided. This must be performed, for
example, at a Motor Module using an additional 24 V terminal adapter that must be ordered
separately (order no. 6SL3162-2AA00-0AA0). The 24 V busbar must not be jumpered in
front of the new infeed, because a new potential begins after the additional infeed.
0
0
0RWRU
0RGXOH
0RWRU
0RGXOH
0RWRU
0RGXOH
/LQH
0RGXOH
1&8
[
0RWRU
0RGXOH
)) )
0
0
9'&
0
0
9'&
;
;
;
! !
! ! !
0
!9'&WHUPLQDODGDSWHU
!-XPSHUSOXJ
Figure 5-19 Electronic power supply infed more than once
For all other components, such as Control Unit or Sensor Module, the electronic power
supply is connected using appropriate infeed plugs at the associated component. The infeed
plugs are identical for all components. The maximum connectable cross-section is 2.5 mm
2
and the maximum current carrying capacity is 20 A.
To improve the wiring of the individual components with each other, a potential jumpering at
the infeed plugs is possible. The total current of all attached components, however, must not
exceed 20 A.
The supply voltage, for example, the digital inputs/outputs at Control Unit and Sensor
Module, is made separately using appropriate terminals (max. 0.5 mm
2
).
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