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MELSEC-Q
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
Starting time chart
The time chart for starting each control is shown below.
(1) Time chart for starting "machine OPR"
QD75 READY signal
Start complete signal
BUSY signal
Error detection signal
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
9001
ON
ON
OFF
OFF
Near-point dog
V
t
OPR request flag
[ Md. 31 Status: b3]
Cd. 3 Positioning start No.
Positioning start signal
[Y10]
PLC READY signal
[Y0]
[X0]
[X10]
[XC]
[X8]
OPR complete flag
[ Md. 31 Status: b4]
Zero signal
ON
OFF
Fig. 6.4 Time chart for starting "machine OPR"