Advertisement
9 MAJOR POSITIONING CONTROL
Positioning start signal
[Y10,Y11,Y12,Y13]
BUSY signal [XC,XD,XE,XF]
M code ON signal
[X4,X5,X6,X7](WITH mode)
Cd. 7
M code OFF request
Start complete signal [X10,X11,X12,X13]
Axis operation status
Md.26
Output pulse to an external source
(PULSE)
Positioning operation
External position-speed switching
command
Position-speed switching
Cd.25
control speed change register
Positioning complete signal
[X14,X15,X16,X17]
M code ON signal [X4,X5,X6,X7]
(AFTER mode)
Cd. 7
M code OFF request
OPR complete flag
Md.31
Status: b4
Stop signal
[STOP]
Fig. 9.19 Operation timing and processing time during position-speed switching control
Normal timing time
t1
1.0 to 1.4
The t1 timing time could be delayed by the operation state of other axes.
Operation timing and processing time during position-speed switching
control
t1
Standing by
In position control
t4
t2
t3
0 to 1.8
0 to 1.8
2.7 to 4.4
t2
In speed control
Position
Speed
control
control
Position control carried out until position-speed switching
signal turns ON.
Speed control command speed is from the input position of
the external position-speed switching signal.
t6
Unit: ms
t4
t5
-
9 - 100
MELSEC-Q
t3
Standing by
t2
t6
1.0
Advertisement
Troubleshooting
