Omron NT31 Operation Manuals page 522

Changing Numeral and Character String Display
Changing Numerals/Character Strings by Copying the Contents by Operation at the PT Status Control
Area
Reference: If the "Words" settings differ between the memory tables (copy source and copy
[Setting]
If this method is used, contents can be copied between any required memory
tables at any time in response to a command from the host. Note that this method
is possible only for the following combinations.
- Numeral memory table
- Character string memory table
NT31/NT31C
Memory table
A
A
A
destination tables), numerals or character strings are copied correctly since 2
words are secured for a numeral memory table and 20 words for a character string
memory table in the NT31/NT31C. If the memory table is allocated to a word in the
host, however, copying may not be executed correctly if the "Words" settings differ
between the memory tables (copy source and copy destination tables).
The PT status control area must be allocated to a word in the host, accordingly, no
special settings are required for copying the data between memory tables.
PC
PT status control area
Copy source
Screen switch setting
Copy memory
Copy destination
(for display)
table setting
PT status control setting
Reserved for system use
→
Numeral memory table
→
Character string memory table
← Copy source memory table No.
← Copy destination memory table No.
← Copy execution command
Section 8-5
511