9 - 36 
MELSEC-Q
9   MAJOR POSITIONING CONTROL 
 
POINTS 
 
•
 When the "reference axis speed" is set during 3-axis linear interpolation control, 
set so the major axis side becomes the reference axis. If the minor axis side is set 
as the reference axis, the major axis side speed may exceed the "
Pr.8
 Speed 
limit value". 
•
 Refer to Section 9.1.6 "Interpolation control" for the reference axis and 
interpolation axis combinations.