12CONTROL SUB FUNCTIONS

(2)AFTER mode

MELSEC-Q

The M code ON signal (X4, X5, X6, X7) is turned ON at the positioning

completion, and the M code is stored in "

Md.25

Valid M code".

 

ON

 

Positioning start signal

OFF

 

[Y10, Y11, Y12, Y13]

 

 

ON

 

BUSY signal [XC, XD, XE, XF] OFF

 

M code ON signal

ON

 

OFF

 

[X4, X5, X6, X7]

 

Cd. 7 M code OFF request

0

1 0

Md. 25 Valid M code

m1

m2

 

V

 

Positioning

 

 

 

 

t

Operation pattern

01

00

 

m1 and m2 indicate set M codes.

Fig. 12.39 M code ON/OFF timing (AFTER mode)

[2] M code OFF request

When the M code ON signal (X4, X5, X6, X7) is ON, it must be turned OFF by the sequence program.

To turn OFF the M code ON signal, set "1" (turn OFF the M code signal) in " Cd.7 M code OFF request".

 

 

 

 

Setting

 

Buffer memory address

 

 

Setting item

Setting details

 

 

 

 

 

 

Axis

Axis

Axis

Axis

 

 

value

 

 

 

 

 

1

2

3

4

 

 

 

 

 

 

 

 

 

M code OFF

 

 

 

 

 

 

 

Cd.7

1

Set "1: Turn OFF the M code ON signal".

1504

1604

1704

1804

 

 

request

 

 

 

 

 

 

 

 

 

 

Refer to Section 5.7 "List of control data" for details on the setting details.

 

 

 

 

The next positioning data will be processed as follows if the M code ON signal is not turned OFF. (The processing differs according to the " Da.1 Operation

pattern".)

 

 

 

Operation pattern

 

 

 

Da.1

Processing

 

 

 

00

Independent positioning control

The next positioning data will not be executed until the M code ON

(Positioning complete)

 

signal is turned OFF.

 

 

 

 

01

Continuous positioning control

 

 

 

 

 

 

11

Continuous path control

The next positioning data will be executed, but a warning "M code

ON signal ON start" (warning code: 503) will occur.

 

 

 

 

12 - 67

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Mitsubishi Electronics QD75D, QD75P user manual After mode, Code OFF request