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Chapter 1 Product Outline
1.1.3 Mechanism of positioning control
In the positioning system using the Simple Motion module, various software and
devices are used for the following roles.
The Simple Motion module realizes complicated positioning control when it reads in
various signals, parameters and data and is controlled with the PLC CPU.
Working
parts of a
machine
Creates control order and
conditions as a sequence
program.
Stores the created program.
The PLC CPU outputs the start signal and
stop signal following the stored program
to the QD77GF.
QD77GF errors, etc., are detected.
GX Works2
PLC CPU
Outputs signals such as the start
signal, external command signal and
switching signal to the QD77GF.
QD77GF
Simple Motion
module
External signal
Manual pulse generator/
Incremental synchronous encoder
Issues commands by
pulse output.
Sets the parameters and
positioning data for control.
Outputs the start command for
JOG operation, etc., during test
operation with the test function.
Monitors the positioning
operation.
Servo
amplifier
Stores the parameter and data.
Outputs data to the servo amplifier according to the
instructions from the PLC CPU, GX Works2, external
signals and manual pulse generator.
Servo motor
Moves the machine according to commands from
the servo amplifier.
Receives positioning commands and control
commands from QD77GF, and drives the servo motor.
Outputs the positioning data such as the servo motor
to the QD77GF by the CC-Link IE Field Network.
Summary of Contents for MELSEC Q Series
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Page 97: ...3 29 Chapter 3 Specifications and Functions MEMO ...
Page 102: ...3 34 Chapter 3 Specifications and Functions MEMO ...
Page 282: ...5 162 Chapter 5 Data Used for Positioning Control MEMO ...
Page 374: ...7 16 Chapter 7 Memory Configuration and Data Process MEMO ...
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Page 400: ...8 24 Chapter 8 HPR Control MEMO ...
Page 425: ...9 25 Chapter 9 Major Positioning Control MEMO ...
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Page 554: ...10 26 Chapter 10 High Level Positioning Control MEMO ...
Page 586: ...11 32 Chapter 11 Manual Control MEMO ...
Page 800: ...16 54 Chapter 16 Troubleshooting MEMO ...
Page 830: ...Appendix 30 Appendices MEMO ...
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