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Outline Of Synchronous Control - Mitsubishi Electric QD77MS User Manual

Simple motion module.
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1.1 Outline of synchronous control

"Synchronous control" can be achieved using software instead of controlling mechanically
with gear, shaft, speed change gear or cam, etc.
"Synchronous control" synchronizes movement with the input axis (servo input axis or
synchronous encoder axis), by setting "the parameters for synchronous control" and starting
synchronous control on each output axis.
Synchronous
encoder
Positioning start
Synchronous encoder
axis parameter
Synchronous encoder
axis
Positioning data
Positioning control
Servo
amplifier
Servo
motor
It is possible to control without amplifier
by setting the virtual servo amplifier.
(Note-1): It is possible to drive the servo input axis except for the positioning control (OPR, manual control, speed-torque control, synchronous control).
Refer to the "User's Manual (Positioning control)" of each Simple Motion module for details on the positioning control, OPR, the manual
control and the speed-torque control. (For QD77GF, it is not available to switch to "Continuous operation to torque control mode" of
speed-torque control.)
(Note-2): Speed change gear can be arranged on one of "Main shaft side", "Auxiliary shaft side" or "After composite auxiliary shaft gear".
Manual pulse generator/
Synchronous encoder input
main input axis
Servo input axis
parameter
Servo input axis
(Note-1)
Auxiliary
shaft
gear
Auxiliary
shaft axis
Synchronous control start
Synchronous parameter
Main shaft
Composite main
shaft gear
Main shaft
sub input axis
Auxiliary
shaft
Speed change
(Note-2)
clutch
gear
Output axis
1 - 2
Chapter1 Outline of Synchronous Control
Synchronous control start
Synchronous control start
Main shaft
gear
Main shaft
clutch
Speed
change
(Note-2)
gear
Composite
auxiliary
shaft gear
Speed
change
(Note-2)
gear
Cam
Servo
Servo
Servo
amplifier
amplifier
amplifier
Servo
Servo
Servo
motor
motor
motor
Simple Motion module
Cam data

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