Siemens SINUMERIK 840D sl Function Manual page 131

Transfer axis: ZG
Bar feed: STN
For the master NCU, the two axes for rotating drums A and B are added to the above-
mentioned axes. The list shows that it would not be possible to configure the axis number for
a total of 4 positions via an NCU. (Limit 31 axes, 4 + 10 + 2 axes are required).
Axis container
With rotation of drums A/B, HS
therefore be configured as link axes in axis containers.
Figure 3-21 Schematic diagram of main spindles HSi, countersp. GSi, bar feed axis STNi and transfer axes ZGi
Extended Functions
Function Manual, 10/2015, 6FC5397-1BP40-5BA3
i
.
i
, GS , ZG
i i
B3: Distributed systems - 840D sl only
and STN must be assigned to another NCU and must
i i
3.3 Examples
131