K2: Axis Types, Coordinate Systems, Frames
10.2 Axes
Basic Functions
704 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Special features
• Leading zeros for user-defined axis identifiers are ignored:
MD10000 `$MN_AXCONF_MACHAX_NAME_TAB[0] = X01 corresponds to X1
• The geometry axes must be assigned to the channel axes in ascending order without any gaps.
• All channel axes that are not geometry axes are special axes.
Channel axis gaps
Normally, each channel axis defined in machine data MD20080 $MC_AXCONF_CHANAX_NAME_TAB must be
assigned a machine axis.
In order to simplify commissioning series of machines with a different number of machine axes, channel axes
may also be defined, which are not assigned to any machine axis As a result, gaps can occur in the numbering
sequence of the channel axes.
Any channel axis gaps must be explicitly enabled:
MD11640 $MN_ENABLE_CHAN_AX_GAP = 1
Without being enabled, a value of 0 in machine data:
MD20070$MC_AXCONF_MACHAX_USED
ends the assignment of possibly existing additional machine axes to channel axes.
References:
/FB2/ Function Manual Extension Functions; Several Control Panels on Multiple NCUs, Decentralized Systems
(B3)
Note
Channel axes without assigned machine axes (channel axis gaps) are, regarding the number
and indexing of the channel axes, treated just like normal channel axes with associated
machine axes.
If a channel axis without assigned machine axis (channel axis gap) is defined as geometry
axis, then this is rejected without an alarm.
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