Siemens SINUMERIK 840D sl Operating Manual page 101

Note
Settable zero offsets
The labeling of the softkeys for the settable zero offsets varies, i.e. the settable zero offsets
configured on the machine are displayed (examples: G54...G57, G54...G505, G54...G599).
Please refer to the machine manufacturer's specifications.
Automatic measurement
Milling
Operating Manual, 05/2017, A5E40868956
Press the "Select ZO" softkey to select an settable zero offset.
In the window "Zero Offset – G54 ... G599", select a zero offset, in which
the zero point should be saved and press the "In manual" softkey.
You return to the measurement window.
6. Under "Measuring axis", select the axis in which you want to approach
the workpiece, and the measuring direction (+ or -).
7. Enter the setpoint angle between the workpiece edge and the reference
axis.
8. Traverse the tool to the workpiece edge.
9. Press the "Save P1" softkey.
10. Reposition the tool and repeat the measuring procedure (step 7) to meas‐
ure the second point, and then press the "Save P2" softkey.
11. Press the "Calculate" softkey.
The angle between the workpiece edge and reference axis is calculated
and displayed.
- OR -
Press the "Set ZO" softkey.
With "Set ZO", the workpiece edge now corresponds to the setpoint angle.
The calculated rotation is stored in the zero offset.
1. Prepare the measurement (see steps 1 to 5 above).
2. Traverse the workpiece probe close to the workpiece edge on which you
wish to measure and press the <CYCLE START> key.
Setting up the machine
4.6 Measuring the workpiece zero
101