Siemens SINUMERIK Series Function Manual page 331

Examples
The sequence of NC/PLC interface signals to change an NC axis to a PLC axis and to
transition an NC axis into a neutral axis by the PLC are shown in the following diagrams.
Figure 5-7
Figure 5-8
Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
Changing an NC axis to a PLC axis
Changing an NC axis to a neutral axis through the PLC
K5: Mode groups, channels, axis interchange
5.4 Axis/spindle replacement
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