Siemens SINUMERIK 840D sl Function Manual page 158

B3: Several operator panels connected to several NCUs, distributed systems - only 840D sl
2.7 Axis container
Container rotation
The contents of the axis container slots are variable inasmuch as the contents of the circular
buffer (axis container) can be shifted together by ± n increments.
The number of increments n is defined for each axis container in setting data:
SD41700 $SN_AXCT_SWWIDTH
The number of increments n is evaluated modulo in relation to the number of actually
occupied container slots. A new content arises for all the locations of an axis container
(exceptions: 0 and slot number = increment number).
System variables provide information about the current status of an axis container; these
system variables can be read addressed from the part program and synchronized actions
(refer to ).
Figure 2-21
The axis container model has the following characteristics:
● A channel always sees a fixed number of axes with defined channel axis names (logical
● The "rotation" of the axis container sets new machine axes for all channels that have
Frames in axis container rotations
The assignment between channel axes and machine axes can change when the axis
container rotates. The current frames remain unchanged after a rotation. The user himself is
responsible for ensuring that the correct frames are selected after a rotation by programming
basic frame masks, for example.
Activation of axis container rotation
The application must ensure that the desired local or link axes are addressed by issuing
commands in the part program for rotating the axis container to a specific position.
158
Shifting the entries to the axis container slots
machine axis image)
axes in the same axis container.
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
Extended Functions