1038 HEIDENHAIN Technical Manual MANUALplus 620
6.18.11 Gear shifting
The PLC is responsible for gear shifting. The PLC also manages the
parameters that are required for gear shifting. Please refer to "Gear shifting" on
page 1567 in the PLC section of this documentation.
A separate parameter set can be created for every gear range.
The PLC is instructed by M function (M40 to M44) to switch on a certain gear
range.