12 - 79
MELSEC-A
12 CONTROL AUXILIARY FUNCTIONS
(b) AFTER mode
The M code ON signal (XD, XE, XF) is turned ON at the positioning
completion, and the M code is stored in "
Md.32 Valid M code".
01 00
*
m1 m2
V
t
OFF
ON
OFF
OFF
ON
ON
00 1
Positioning start signal
BUSY signal
M code ON signal
Positioning
* m1 and m2 indicate set M codes.
Md. 32 Valid M code
Da. 1 Operation pattern
*
Cd. 14 M code OFF request
[X4,X5,X6]
[Y10, Y11, Y12]
[XD,XE,XF]
Fig. 12.39 M code ON/OFF timing (AFTER mode)
(2) M code OFF request
When the M code ON signal (XD, XE, XF) 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.14 M code OFF request".
Buffer memory address
Setting item
Setting
value
Setting details
Axis 1 Axis 2 Axis 3
Cd.14
M code OFF
request
1 Set "1: Turn OFF the M code ON signal". 1153 1203 1253
* 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 complete)
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, but a warning "M code
ON signal ON start" (warning code: 503) will occur.
To Next Page
Loading...
