![Mitsubishi Electric melsec q00ucpu Скачать руководство пользователя страница 408](http://html.mh-extra.com/html/mitsubishi-electric/melsec-q00ucpu/melsec-q00ucpu_user-manual_239147408.webp)
CHAPTER9 DEVICES
9
2
3
4
5
6
7
8
9.7 F
ile Register (
R
)
9.7.6 Pr
eca
utions for
using the
file register
9
-
63
(c) File register size checking procedure
• Check the file register size used for each sequence program.
• Check the total file register size set in SD647 on the sequence program to see if there are sufficient
number of points to be used or not.
[Program example 1]
The file register range of use is checked at the beginning of each program.
[Program example 2]
The file register range of use is checked after execution of the QDRSET instruction.
[Program example 3]
When a block is switched to another:
(3) Deleting a file register file
To delete an unnecessary file register file, select [Online] [Delete PLC data] in GX Developer.
Figure 9.77 Program examples of file register checking
SM400
M0
Y0
M0
Transfer command
M0
MOVP K4X20 R0
<
SD647
K4
4K points specified
Final file register
range check
Writing to file
register
Alarm processing
SM400
M0
Y0
M0 Transfer command
M0
MOVP K4X20 R0
<
SD647
K4
QDRSET "1:ABCD"
Final file register
range check
Changing file register to
ABCD of Drive 1
Writing to file
register
Alarm processing
SM400
M0
Y0
M0
Block switching
command
M0
RSET K1
<
SD647 K33
Final file register
range check
Alarm processing
Switching to block 1
Содержание melsec q00ucpu
Страница 2: ......
Страница 3: ......
Страница 13: ...A 10 Memo ...
Страница 620: ......
Страница 621: ......