Siemens SINUMERIK 828D Commissioning Manual page 475

As a result, the following setting options are obtained for the main spindle:
Main spindle direction of rotation
Note
MD52207[n] bit 4 = *)
Bit 4 can be set from the operator's view (values as specified) or according to DIN ("0" and "1"
are then interchanged).
Dimensions
To define the reference point for moving the counterspindle, you must first communicate the
dimensions of the counterspindle. You can either enter the dimensions in the following axis-
specific cycle machine data or in the menu "Parameter" -> Setting data -> Spindle chuck data"
Changes to the machine data are automatically accepted in the menu and vice versa.
MD53240 $MAS_SPINDLE_PARAMETER[ ]
[0]
SINUMERIK Operate
Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3
Chuck dimensions
52207[n] 52207[n]
bit 3 = bit 4 = *)
0 0
0 1
1 1
1 0
Configuring cycles
7.5 Turning
52207[n] DB38xx
bit 5 = DBX2001.6
0
1
0
1
Spindle chuck data
0
1
0
1
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