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Chapter 6 Sequence Program Used for Positioning Control
6.5.3 Start program
This program is used to start the control with start commands.
The control can be started with the following two methods.
[1] Starting by inputting positioning start signal
[2] Starting by inputting external command signal
[QD77MS4 operation example]
PLC CPU
Buffer memory
1500
Input/output signal
1
1)
ON
2)
Y10
Servo amplifier
Control with
positioning data
No. 1
3)
Note) When starting positioning with the scan
after the completion of positioning,
insert X10 as an interlock so that
positioning is started after Y10 is turned
OFF and X10 is turned OFF.
QD77MS
(Note-1)
(Note-1): Buffer memory of QD77MS16 : 4300
1) Set the "positioning start No." in "[Cd.3] Positioning start No." according to the control to
be started.
(In the above example, set positioning data No. "1".)
2) Input the positioning start signal [Y10] or the external command signal.
3) The positioning data No. "1" will start.
Fig. 6.2 Procedures for starting control (for axis 1)