4 ADVANCED SYNCHRONOUS CONTROL
4.6 Synchronous Control Change Function
129
4
[Cd.407] Synchronous control change command
Set the synchronous control change command.
■Cam reference position movement
This command is executed to move the cam reference position through adding the setting movement amount of "[Cd.408]
Synchronous control change value". The movement amount to be added is averaged in "[Cd.409] Synchronous control
reflection time" for its output. Set a long reflection time when a large movement amount is used since the cam axis command
position value moves with the movement amount.
When "[Cd.406] Synchronous control change request" is reset to "0" while executing the cam reference position movement
instruction, operation is stopped midway. If the cam reference position movement instruction is executed again, the remainder
movement amount is not reflected, and the operation starts with "[Cd.408] Synchronous control change value" to be used
again.
If synchronous control is stopped while the cam reference position movement instruction is being executed, operation also
stops midway. If synchronous control is restarted, the remainder movement amount is not reflected.
■Change cam axis position value per cycle
The cam axis position value per cycle is changed to "[Cd.408] Synchronous control change value". The cam reference
position will be also changed to correspond to the changed cam axis position value per cycle.
This operation is completed within one operation cycle.
Setting
value
Details Reference
0 Cam reference position movement Page 129 Cam reference position movement
1 Change cam axis position value per cycle Page 129 Change cam axis position value per cycle
2 Change position value per cycle after
main shaft gear
Page 130 Change position value per cycle after main shaft gear
3 Change position value per cycle after
auxiliary shaft gear
Page 130 Change position value per cycle after auxiliary shaft gear
4 Cam axis position value per cycle
movement
Page 130 Cam axis position value per cycle movement
t
t
[Md.408] Cam reference position
[Cd.408] Synchronous
control change value
[Md.407] Cam axis position
value per cycle
[Md.409] Cam axis command
position value
(Command position
value)
[Cd.409] Synchronous control reflection time
[Cd.406] Synchronous control
change request
[Cd.407] Synchronous control
change command
0: Cam reference position movement
t
t
[Cd.408] Synchronous control change value
[Md.407] Cam axis position
value per cycle
[Md.409] Cam axis command
position value
(Command position
value)
[Cd.406] Synchronous control
change request
[Cd.407] Synchronous control
change command
1: Change cam axis position value per cycle
[Md.408] Cam reference
position
(After change)
Changed to new cam reference position
(Before change)
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