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Chapter 9 Major Positioning Control
Position-speed switching signal setting
(1) The following table shows the items that must be set to use the external
command signals [DI] as position-speed switching signals.
Setting item
Setting
value
Setting details
Buffer memory address
QD77MS2
QD77MS4
QD77MS16
[Pr.42]
External
command
function selection
2
Speed-position, position-speed
switching request.
62+150n
[Cd.8]
External
command valid
1
Validates an external
command.
1505+100n 4305+100n
[Cd.45]
Speed-position
switching device
selection
0
Use the external command
signal for switching from
position control to speed
control.
1566+100n 4366+100n
(Note): Set the external command signal [DI] in "[Pr.95] External command signal selection" at QD77MS16
use.
Refer to Section 5.2 "List of parameters" and Section 5.7 "List of control data" for information on
the setting details.
(2) The following table shows the items that must be set to use the near-point dog
signal (DOG) as position-speed switching signals.
Setting item
Setting
value
Setting details
Buffer memory address
QD77MS2
QD77MS4
QD77MS16
[Cd.45]
Speed-position
switching device
selection
1
Use the near-point dog signal
for switching from position
control to speed control.
1566+100n 4366+100n
(Note): The setting is not required for "[Pr.42] External command function selection" and "[Cd.8] External
command valid".
Refer to Section 5.7 "List of control data" for information on the setting details.
(3) The following table shows the items that must be set to use "[Cd.46] Speed-
position switching command" as position-speed switching signals.
Setting item
Setting
value
Setting details
Buffer memory address
QD77MS2
QD77MS4
QD77MS16
[Cd.45]
Speed-position
switching device
selection
2
Use the "[Cd.46] Speed-
position switching command"
for switching from position
control to speed control.
1566+100n 4366+100n
(Note): The setting is not required for "[Pr.42] External command function selection" and "[Cd.8] External
command valid".
Refer to Section 5.7 "List of control data" for information on the setting details.