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Chapter 6 PLC Program Used for Positioning
Control
The programs required to carry out positioning control with the QD75MH are explained
in this chapter.
The PLC program required for control is created allowing for the "start conditions",
"start time chart", "device settings" and general control configuration. (The parameters,
positioning data, block start data and condition data, etc., must be set in the QD75MH
according to the control to be executed, and program for setting the control data or a
program for starting the various control must be created.)
The first half of this chapter explains the program configuration of general control, and
the latter half explains the program details. Create the required program while referring
to the various control details explained in Section 2, and to Chapter 5 "Data used for
positioning control".
6.1 Precautions for creating program ...............................................................................6- 2
6.2 List of devices used.....................................................................................................6- 5
6.3 Creating a program .....................................................................................................6- 15
6.3.1 General configuration of program .................................................................6- 15
6.3.2 Positioning control operation program ..........................................................6- 16
6.4 Positioning program examples................................................................................... 6- 20
6.5 Program details .......................................................................................................... 6- 52
6.5.1 Initialization program..................................................................................... 6- 52
6.5.2 Start details setting program......................................................................... 6- 53
6.5.3 Start program ................................................................................................ 6- 55
6.5.4 Continuous operation interrupt program ...................................................... 6- 64
6.5.5 Restart program............................................................................................ 6- 66
6.5.6 Stop program ................................................................................................ 6- 69