Sinumerik Alarm 26070 Channel %1 axis %2 cannot be controlled by the PLC, max. number exceeded
%1 = Channel number
%2 = Axis name, spindle number
An attempt has been made to control more axes than allowed from the PLC.
– Interface signals are set.
– Alarm display.
Check the machine data MD_NUM_MAX_PLC_CNTRL_AXES and correct if necessary or reduce the number of PLC-controlled axes.
Clear alarm with the Delete key or NC START.
- Siemens Diagnostics Guide by Siemens