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5. OPERATIONAL FUNCTIONS
5. OPERATIONAL FUNCTIONS
POINT
Refer to Chapter 10 for the table bit for each signal.
There are restrictions for the number of axes which can start simultaneously in each operation function and in
start operation using other axes start. When the number of started axes exceeds the maximum number of
simultaneous start axes, start operation will be performed for the rest of axes in the next control cycle or later.
Control cycle Max. No. of simultaneous start axes
0.88ms 16
0.44ms 6
0.22ms 2
POINT
For the start operation of linear interpolation, one group is regarded to consist
of four axes, irrespective of the number of axes in the group.
For the start operation of tandem drive, one group is regarded to consist of
one axis.
Start operation by other axes start takes priority, the other axes start in order.
When the number of axes which is set in start axis designation of the other
axes start table exceeds the maximum number of simultaneous start axes,
other axes start error occurs when the other axes start conditions are fulfilled.
The following shows the operation when axes 9 to 14 are started by other axes start by control cycle of 0.44ms,
the other 14 axes are started in normal start operation.
Cycle n + 1Cycle n
Axis01
Axis02
Axis09
Axis10
Axis11
Axis12
Axis13
Axis14
Axis03
Axis04
Axis05
Axis06
Axis10
Axis11
Axis12
Axis13
Axis14
3)
1)
2)
Operation start
axis
Axis01
Axis02
Axis03
Axis04
Axis05
Axis06
Axis07
Axis08
Axis09
Axis10
Axis11
Axis12
Axis13
Axis14
Axis15
Axis16
Axis17
Axis18
Axis19
Axis20
Axis09
Cycle n + 3Cycle n + 2
Axis01
Axis02
Axis03
Axis04
Axis05
Axis06
Axis07
Axis08
Axis09
Axis10
Axis11
Axis12
Axis13
Axis14
Axis15
Axis16
Axis17
Axis18
Axis19
Axis20
Axis01
Axis02
Axis03
Axis04
Axis05
Axis06
Axis07
Axis08
Axis10
Axis11
Axis12
Axis13
Axis14
Axis15
Axis16
: Normal start axis
: Other axes start axis
: After start axis
Axis09
Axis17
Axis18
3)
4)