Omron NT30C-ST141-E Operation Manual page 226

Memory Tables and Graphs
Application Example of Copying of a Character String Memory Table Entry
214
To repeat copying of the same copy source and same copy destination, write a
value other than 0 or 1 for the copy type, and then, write a correct value again.
S Copying a Numeral Memory Table Entry
If the display method or the number of registered words include discrepancies,
a numeral memory table entry may not be copied and displayed correctly.
This example gives a PC program section to switch the character string display
on the screen by using the memory table entry copy operation as the allocated bit
is turned ON and OFF.
S NT-series Support Tool Settings
Allocate the memory as shown below by using the NT-series Support Tool.
PT Status Control Area allocation: IR/CIO 0100
Contents registered to the screen: Character string display (character string
Line 1
Normal
Character-string memory table No. 4
Character string memory table entry settings
No. Contents
4 Normal
10 Error
11 Normal
S PC Program
Include the following in the PC ladder program.
09000
Error flag
09000
Error flag
memory table entry No. 4)
Number of
Character Digits
6 digits
6 digits
6 digits
@MOV(21)
Copy type, copy destination memory table entry
#0004
No.
102
Copy destination word
@MOV(21)
Copy source memory table entry No.
#0010
Copy source word
101
@MOV(21)
Copy type, copy destination memory table entry
#0004
No.
102
Copy destination word
@MOV(21)
Copy source memory table entry No.
#0011
Copy source word
101
Section 5-2
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