Melsec-q, 6 sequence program used for positioning control, Position control operation timing and process time – MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D User Manual

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MELSEC-Q

6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL

Position control operation timing and process time

t1

t2

t3

t4

t5

t2

t6

Cd. 7 M code OFF request

Waiting

Controlling position

Waiting

BUSY signal

Output pulse to external source
(PULSE)

Positioning operation

Md. 26 Axis operation status

Cd. 7 M code OFF request

Positioning start signal

[Y10, Y11, Y12, Y13]

[XC, XD, XE, XF]

M code ON signal
(WITH mode) [X4, X5, X6, X7]

Start complete signal

[X10, X11, X12, X13]

M code ON signal
(AFTER mode)

[X4, X5, X6, X7]

[X14, X15, X16, X17]

Positioning complete signal

OPR complete flag
[ Md. 31 Status: b4]

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 Unit: ms

t1

t2

t3

t4

t5

t6

1.2 to 2.3

0 to 1.8

0 to 1.8

2.7 to 4.4

0 to 1.8

Follows

parameters

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

the other axis.

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