9-25
9 Motion Control Functions
NJ/NX-series CPU Unit Motion Control Userās Manual (W507)
9-2 Single-axis Synchronized Control
9
9-2-7 Combining Axes
The sum or difference of two positions can be used as the command position for the slave axis. Opera-
tion starts when the MC_CombineAxes instruction is executed. Use the MC_Stop instruction to stop
axes in motion.
The following figure is an example demonstrating operation when subtracting axes. Slave (Slave Axis)
command current position = Master (Master Axis) command current position ā Auxiliary (Auxiliary Axis)
command current position)
For details on combining axes, refer to the MC_CombineAxes and MC_Stop instructions in the NJ/NX-
series Motion Control Instructions Reference Manual (Cat. No. W508).
9-2-7 Combining Axes
-
Time
Position: 390Position: 0
Execute of MC_CombineAxes
changes to TRUE
Slave
(slave axis)
Time
Position: 110Position: 100
Execute of MC_CombineAxes
changes to TRUE
Auxiliary
(auxiliary axis)
Time
Position: 200
Execute of MC_CombineAxes
changes to TRUE
Master
(master axis)
Velocity
Velocity
Velocity
Position: 600