22 HEIDENHAIN Technical Manual MANUALplus 620
 Modifying the max. number of spindles in the file oem.mcg or 
oem_turning.mcg:
To modify the max. number of spindles in the PLC file oem.mcg or 
oem_turning.mcg, proceed as follows:
...
DEFINE SPINDLE_COUNT       = 6            ;  (old: =4)
...
 
 
After an update, please modify the previous file plc.cfg as described below, 
and add it to the PLCdesignNT project. Otherwise, during the next transfer 
of PLC project files to the control, the file plc.cfg might be overwritten by 
the old version, which leads to an error (Fatal Error Syntax).