Siemens SINUMERIK 840D sl Universal Operating Manual page 104

Setting up the machine
5.4 Settings for the machine
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.
Further information
Additional information on the inch/metric system of measurement is provided in the Axes and
Spindles Function Manual.
Procedure
104
Machine manufacturer
Please observe the information provided by the machine manufacturer.
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.
Operating Manual, 07/2021, 6FC5398-6AP40-6BA4
Universal