Siemens SINUMERIK Series Function Manual page 330

K5: Mode groups, channels, axis interchange
5.4 Axis/spindle replacement
Figure 5-6
TYPE input
In principle, the PLC must set the signal "Request new type". It is deleted again after
change. Also for a channel interchange with GET and RELEASE (only 840D sl).
Controlling PLC axes/spindles for 840D sl
PLC axes and PLC spindles are traversed using function block FC18 in the basic PLC
program
FC18: SpinCtrl Spindle control
330
Changing an axis from K1 to K2 via parts program
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
Extended Functions