Siemens SINUMERIK 840C Installation Instructions Manual page 228

10.94
240*
Default value
0
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+
M
Example: Turning machine
M ... Machine zero
W ... Workpiece zero
R ... Reference point
XMR ... Reference point coordinate in X direction
ZMR ... Reference point coordinate in Z direction
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Siemens AG 1992 All Rights Reserved
SINUMERIK 840C (IA)
6 NC Machine Data (NC MD), NC Setting Data (NC SD)
Reference point value
Lower input limit 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