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9 - 4 
Chapter 9    Major Positioning Control 
 
9.1.1 Data required for major positioning control 
The following table shows an outline of the "positioning data" configuration and setting 
details required to carry out the "major positioning controls". 
 
Setting item 
Setting details 
Positioning dat
a N
o. 1 
[Da.1] Operation pattern 
Set the method by which the continuous positioning data (Ex: positioning data No.1, 
No.2, No.3) will be controlled. (Refer to Section 9.1.2.) 
[Da.2]  Control system 
Set the control system defined as a "major positioning control". (Refer to Section 9.1.)
[Da.3]  Acceleration time No.  Select and set the acceleration time at control start. (Select one of the four values set 
in [Pr.9], [Pr.25], [Pr.26], and [Pr.27] for the acceleration time.) 
[Da.4]  Deceleration time No.  Select and set the deceleration time at control stop. (Select one of the four values set 
in [Pr.10], [Pr.28], [Pr.29], and [Pr.30] for the deceleration time.) 
[Da.5] 
Axis to be interpolated 
QD77MS2
QD77MS4
 
Set an axis to be interpolated (partner axis) during the 2-axis interpolation operation 
(Refer to Section 9.1.6.). 
[Da.6] 
Positioning address/ 
movement amount 
Set the target value during position control. (Refer to Section 9.1.3.) 
[Da.7]  Arc address 
Set the sub point or center point address during circular interpolation control. 
[Da.8]  Command speed 
Set the speed during the control execution. 
[Da.9] 
Dwell time/JUMP 
destination 
positioning data No. 
The time between the command pulse output is completed to the positioning 
completed signal is turned ON. Set it for absorbing the delay of the mechanical system 
to the instruction, such as the delay of the servo system (deviation). 
[Da.10] 
M code/Condition 
data No./Number of 
LOOP to LEND 
repetitions 
Set this item when carrying out sub work (clamp and drill stops, tool replacement, etc.) 
corresponding to the code No. related to the positioning data execution. 
[Da.20] 
Axis to be interpolated 
No.1 
QD77MS16
 
Set an axis to be interpolated during the 2- to 4-axis interpolation operation. 
(Refer to Section 9.1.6.) 
[Da.21] 
Axis to be interpolated 
No.2 
QD77MS16
 
[Da.22] 
Axis to be interpolated 
No.3 
QD77MS16
 
(Note): The settings and setting requirement for the setting details of [Da.1] to [Da.10] and [Da.20] to [Da.22] differ according 
to the "[Da.2] Control system". (Refer to Section 9.2 "Setting the positioning data".) 
 
  Major positioning control sub functions 
 
Refer to Section 3.2.5 "Combination of QD77MS main functions and sub functions" 
for details on "sub functions" that can be combined with the major positioning 
control. 
Also refer to Chapter 13 "Control Sub Functions" for details on each sub function. 
 
  Major positioning control from GX Works2 
 
"Major positioning control" can be executed by test function of GX Works2.   
Refer to "Simple Motion Module Setting Tool Help" of GX Works2 for details on 
carrying out major positioning control from the GX Works2.   
 
REMARK 
600 positioning data (positioning data No. 1 to 600) items can be set per axis.