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6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
Positioning start signal
[Y10, Y11, Y12, Y13]
BUSY signal
[XC, XD, XE, XF]
M code ON signal
(WITH mode) [X4, X5, X6, X7]
Cd. 7 M code OFF request
Start complete signal
[X10, X11, X12, X13]
Md. 26 Axis operation status
Output pulse to external source
(PULSE)
Positioning operation
Positioning complete signal
[X14, X15, X16, X17]
M code ON signal
(AFTER mode)
[X4, X5, X6, X7]
Cd. 7 M code OFF request
OPR complete flag
[ Md. 31 Status: b4]
Position control operation timing and process time
t1
Waiting
Controlling position
t4
Fig. 6.10 Position control operation timing and process time
When the positioning start signal turns ON, if all signals marked with an
asterisk ( ) are already ON, the signals marked with an asterisk ( ) will turn
OFF when the positioning start signal turns ON.
Normal timing time
t1
t2
1.2 to 2.3
0 to 1.8
The t1 timing time could be delayed depending on the operating conditions of
the other axis.
t2
t3
Waiting
t5
t2
t3
t4
0 to 1.8
2.7 to 4.4
6 - 35
MELSEC-Q
t6
Unit: ms
t5
t6
Follows
0 to 1.8
parameters
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Troubleshooting
