6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL

MELSEC-Q

Machine OPR operation timing and process time

Positioning start signal

[Y10, Y11, Y12, Y13]

BUSY signal [XC, XD, XE, XF]

Start complete signal

[X10, X11, X12, X13]

Md. 26 Axis operation status

Output pulse to external source (PULSE)

Positioning operation

OPR request flag

[ Md. 31 Status: b3]

OPR complete flag

[ Status: b4]

t1

 

 

 

 

t4

Waiting

In OPR

Waiting

 

t2

 

t3

Fig. 6.9 Machine OPR operation timing and process time

Normal timing time

 

Unit: ms

 

 

 

 

 

 

 

t1

 

t2

t3

t4

 

 

 

 

 

 

 

1.0 to

1.4

2.7 to 4.4

0 to 1.8

0 to 1.8

The t1 timing time could be delayed depending on the operating conditions of the other axis.

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Mitsubishi Electronics QD75P, QD75D user manual Machine OPR operation timing and process time