Siemens SINUMERIK Series Operating Manual page 97

The following conditions must be met before you can switch between units of measurement:
● The corresponding machine data are set.
● All channels are in the reset state.
● The axes are not being traversed via "JOG", "DRF", and the "PLC".
● Constant grinding wheel peripheral speed (GWPS) is not active.
References
For further information about switching between units of measurement, please refer to:
Function Manual, Basic Functions; Speeds, Setpoint/Actual-Value System, Closed-Loop
Control (G2), Section "Metric/inch dimension system"
Procedure
Milling
Operating Manual, 08/2018, 6FC5398-7CP41-0BA0
Machine manufacturer
Please refer to the machine manufacturer's specifications.
1. Select the mode <JOG> or <AUTO> in the "Machine" operating area.
2. Press the menu forward key and the "Settings" softkey.
A new vertical softkey bar appears.
3. Press the "Switch to inch" softkey.
A prompt asks you whether you really want to switch over the unit of
measurement.
4. Press the "OK" softkey.
The softkey label changes to "Switch to metric".
The unit of measurement applies to the entire machine.
5. Press the "Switch to metric" softkey to set the unit of measurement of the
machine to metric again.
Setting up the machine
4.4 Settings for the machine
97