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7-3
Section
Character String Memory Table (String Table)
283
Ref
Indicates whether the table entry with the specified number is already used or
not.
Yes:
Already used as an element.
No:
Not used.
If the indication is Yes, you can check where the table entry in question is used by
clicking on
.
(For details of
, refer to
7-1-1 Reference Operation
.)
7-3
Character String Memory Table (String Table)
The character string memory table (String table) is an area provided in a PT to
store character string data.
A character string memory table entry (string table) is allocated to 1 to 20 words in
a PC (PLC) and a character string memory table entry (string table) used for dis-
play can be shared by the PT and the PC (PLC).
It is possible to insert mark data, image data or library data into a character string.
Note that, however, NT11S/NT11, NT20, NT20S and NT600S do not have image
data and library data. With the NT21, NT31, NT31C, NT631, and NT631C with-
out NT20/30/620-compatible mode, it is not permissible to insert image data and
library data into a character string.
With elements such as character string display and character string input, read-
ing/writing of character string data is executed by specifying the character string
memory table entry (string table) number.
PC (PLC
)
Initial value
Initialization
No. of words
PC (PLC)
address
I/O comment
Reference
Character string
memory table
(String table)
OMRON
Character string
display element
PT
Character string
input element
0
1
2
3
4
5
Screen
PT
Read
Write
Shared
Shared
7-3-1 Operation Procedure
A character string memory table entry (string table) is displayed by the operation
described below.
At the property settings for individual elements, click on
in the table entry
number field.
Select [Tools] (menu bar)
→
[Table], then click [String] tab.
Setting
For character string memory table entries (string table), the objective of opera-
tion is specified by clicking on a line. The necessary setting can be made by input
using a keyboard or by selection using a drop-down list.
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