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Chapter 1 Outline Of Synchronous Control; Outline Of Synchronous Control - Mitsubishi Electric RD77MS2 User Manual

Melsec iq-r simple motion module.
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1

OUTLINE OF SYNCHRONOUS CONTROL

The outline, specifications and the operation method of synchronous control using the Simple Motion module are explained in
this chapter.
This chapter helps to understand what can be done using the positioning system and which procedure to use for a specific
purpose.
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
Positioning start
encoder
Synchronous
encoder axis
parameter
Synchronous encoder axis
Positioning data
Servo input axis
Positioning control
parameter
Servo input axis
Servo
amplifier
Servo
motor
It is possible to control without amplifier
by setting the virtual servo amplifier.
*1 It is possible to drive the servo input axis except for the positioning control (home position return, manual control, speed-torque control,
synchronous control).
For details on the positioning control, the home position return, the manual control and the speed-torque control, refer to the following
manual of the Simple Motion module that is used.
User's Manual (Application)
*2 Speed change gear can be arranged on one of "Main shaft side", "Auxiliary shaft side" or "After composite auxiliary shaft gear".
Synchronous control start
Manual pulse generator/
Synchronous encoder input
Main shaft
(main input axis)
*1
Main shaft
(sub input axis)
Auxiliary
Auxiliary
shaft
shaft
gear
clutch
Auxiliary
shaft axis
Synchronous control start
Synchronous parameter
Composite
Main shaft gear
main shaft gear
Main shaft
clutch
Speed
change
Speed
gear *2
change
gear
*2
Composite
auxiliary shaft
gear
Speed
change
gear *2
Cam
Output axis
Servo
Servo
amplifier
amplifier
Servo
Servo
motor
motor
1 OUTLINE OF SYNCHRONOUS CONTROL
Synchronous control start
Simple Motion module
Cam data
Servo
amplifier
Servo
motor
1.1 Outline of Synchronous Control
1
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