Mitsubishi Electric QD77MS, User Manual

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Chapter 9 Major Positioning Control
Switching over from speed control to position control
(1) The control is selected the switching method from speed control to position
control by the setting value of "[Cd.45] Speed-position switching device
selection".
Setting item
Setting
value
Setting details
Buffer memory address
QD77MS2
QD77MS4
QD77MS16
[Cd.45]
Speed-
position
switching
device
selection
The device used for speed-
position switching is selected.
0: Use the external command
signal for switching from speed
control to position control
1: Use the near-point signal for
switching from speed control to
position control
2: Use the "[Cd.46] Speed-
position switching command"
for switching from speed
control to position control
1566+100n 4366+100n
The switching is performed by using the following device when "2" is set.
Setting item
Setting
value
Setting details
Buffer memory address
QD77MS2
QD77MS4
QD77MS16
[Cd.46]
Speed-
position
switching
command
1
1: Switch from speed control to
position control
1567+100n 4367+100n
(2) "[Cd.24] Speed-position switching enable flag" must be turned ON to switch
over from speed control to position control. (If the "[Cd.24] Speed-position
switching enable flag" turns ON after the speed-position switching signal turns
ON, the control will continue as speed control without switching over to
position control. The control will be switched over from speed control to
position control when the speed-position switching signal turns from OFF to
ON again. Only position control will be carried out when the "[Cd.24] Speed-
position switching enable flag" and speed-position switching signal are ON at
the operation start.)
Setting item
Setting
value
Setting details
Buffer memory address
QD77MS2
QD77MS4
QD77MS16
[Cd.24]
Speed-
position
switching
enable flag
1
Speed control will be taken over
by position control when the
external command signal [DI]
comes ON.
1528+100n 4328+100n