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Chapter 13 Control Sub Functions
(2) AFTER mode
The M code ON signal is turned ON at the positioning completion, and the
M code is stored in "
Md.25
Valid M code".
[QD77MS4 operation example]
01 00
V
t
OFF
ON
OFF
OFF
ON
ON
00 1
Positioning start signal
BUSY signal
M code ON signal
Positioning
1: m1 and m2 indicate set M codes.
Da. 1 Operation pattern
Cd. 7 M code OFF request
Md. 25 Valid M code
[XC, XD, XE, XF]
[Y10, Y11, Y12, Y13]
[X4, X5, X6, X7]
m2
1
m1
1
(Note): Refer to Section 3.3 for input/output signal of QD77MS16.
Fig. 13.41 M code ON/OFF timing (AFTER mode)
[2] M code OFF request
When the M code ON signal 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".
Buffer memory address
Setting item
Setting
value
Setting details
QD77MS2
QD77MS4
QD77MS16
Cd.7
M code OFF
request
1 Set "1: Turn OFF the M code ON signal". 1504+100n 4304+100n
n: Axis No.-1
: 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.)
Da.1
Operation pattern
Processing
00
Independent positioning control
(Positioning control)
01 Continuous positioning control
The next positioning data will not be executed until the M code ON
signal is turned OFF.
11 Continuous path control
The next positioning data will be executed. If the M code is set to the
next positioning data, a warning "M code ON signal ON start"
(warning code: 503) will occur.
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