Siemens SINUMERIK 840D sl Programming Manual page 776

Additional functions
14.3 Axis container (AXCTSWE, AXCTSWED)
Example:
After the axis container is rotated through 1, channel axis Z is assigned to axis AX5 on NCU
1 instead of axis AX1 on NCU.
AXCTSWED( )
The command version AXCTSWED() can be used to simplify commissioning. The axis
container rotates with just the active channel being effective through the container-specific
increment saved in SD41700 $SN_AXCT_SWWIDTH[<container number>]. This call may
only be used if the remaining channels, that have axes in the container, are in the reset
state.
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Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
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