Siemens SINUMERIK 840C Installation Instructions Manual page 228

10.94
240*
The difference between absolute machine zero and the fixed reference point is entered for the
respective axis. These values are set as actual values for reference point approach (also refer
to Section entitled "Axis (Analog) and Spindle Installation" for a detailed description of
reference point approach).
X+
Example: Turning machine
M
W
R
XMR
ZMR
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SINUMERIK 840C (IA)
More user manuals on
Default value Lower input limit
0
M
... Machine zero
... Workpiece zero
... Reference point
... Reference point coordinate in X direction
... Reference point coordinate in Z direction
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6 NC Machine Data (NC MD), NC Setting Data (NC SD)
Reference point value
Upper input limit
±0 99 999 999
ZMR
Workholder
6FC5197- AA50
6.4 Axis-specific MD 1 (axial data 1)
Active on
NC Stop
Units
units (MS)
R
XMR
Workpiece
W
Z+
6–43