Siemens SINUMERIK 802D sl Programming And Operating Manual page 30

Setting-up
4.2 Limit stops
12. Using the handwheel, infeed to the next depth of cut in the X direction.
13. Start machining in the Z axis in the negative direction using the axis direction switch.
Operating sequences for adjusting to finished dimension
1. Adjust the limit stops to the finished dimension: -X to 50.0 mm/-Z to –100.0 mm
2. Using the handwheel, infeed in the X direction until the "Limit stop -X reached" message
3. Start machining in the Z axis in the negative direction using the axis direction switch.
4. Switch-out the axis direction switch in the Z direction and start in the positive X direction
5. Switch-out the axis direction switch in the X direction as soon as the tool tip leaves the
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Repeat the procedure until the depth of rough cut is reached.
The message "Limit stop -X reached" is displayed as the tool is fed in.
Once this cut has been completed, adjust the limit stops to the finished dimension,
provided that the axes are positioned in front of the workpiece.
appears.
When the limit stop position in Z –100.0 mm is reached, the Z axis stops automatically.
The message "Limit stop –Z reached" is displayed.
(finishing the end face).
workpiece.
Programming and Operating Manual, 06/2009, 6FC5398-6CP10-1BA0
Manual Machine Plus Turning