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6.
PROGRAMMING
MELSEC-A
(4)
Program
(a) When setting data has been already written using peripheral
device or AD71TU.
The following shows the program when parameter, zero return
data, and positioning data
have been already written to the
AlSD71 buffer memory using a peripheral device
or
AD71TU.
(However some data should be written to the parameter using
a sequence program.)
~
[Example]
To start X-axis data
number 1.
[Notes] (1) Start conditions are shown
in Table
6.4. Provide necessary interlock
in ac-
(2) Speed/positioning control operation after start follow the pattern specifica-
cordance with its use.
tion of data number 1.
[Data
transfer]
CPU data register
AlSD71 buffer
memory
u
To write the start
data number
[Data transfer1
M9038
+ I - - - - - - +
X1A
Battery error
+I
PC RUN Positioning mode
M9039
setting
command
Interlock
+I
I P
I Y
TI
*I
Positioning mode
setting
command
X1
1
Interlock
+I
4 1
PLS
I
M2
I Y
M2
X-axis
TO
I
H1 (K788s(KlOOq K1
+ H I
.(I
PLS
I
M30
Start
X11
X14
X18
X1B Interlock
I Y
I Y
4 1
Stop command
I
PLS
1
Y25
Y20
I .
X18
-
- l H t - {
RST
I
Y20
Resets an AlSD71 error after
CPU
RUN.
Battery error
PC ready
Writes the positioning mode to the
buffer memory. (Speed control)
Sets the X-axis emergency decelera-
tion time (to 1000 msec).
Sets the start data number (to 1).
Writes the data number to buffer
memory address 0.
X-axis start signal
Stop signal
Resets the X-axis start signal using
the X-axis positioning commenced
signal.
6 - 2 7
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