6 - 34
MELSEC-Q
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
Machine OPR operation timing and process time
BUSY signal
Standby OPR Standby
Output pulse to external source
(PULSE)
Positioning operation
t1
t4
t2
t3
Md. 26
Axis operation status
OPR request flag
[
Md. 31
Status: b3]
Positioning start signal
[Y10, Y11, Y12, Y13]
[XC, XD, XE, XF]
Start complete signal
[X10, X11, X12, X13]
OPR complete flag
[
Md. 31
Status: b4]
Fig. 6.9 Machine OPR operation timing and process time
Normal timing time
Model t1 t2 t3 t4
QD75P N/QD75D N 0.2 to 1.1ms 0.4 to 1.3ms 0 to 0.9ms 0 to 0.9ms
QD75P /QD75D 1.0 to 1.4ms 2.7 to 4.4ms 0 to 1.8ms 0 to 1.8ms
•
The t1 timing time could be delayed depending on the operating conditions of
the other axis.
To Next Page
Loading...
