Copying The Memory Table - Omron NT20S Operation Manual

Memory Tables and Bar Graphs
5-2-4

Copying the Memory Table

Reference: This procedure is convenient to switch predetermined values or character strings
174
The following describes the procedure to change displayed numerals or character
strings by copying the contents of the memory table.
Numerals and character strings can be changed also by changing the contents of
the allocated words. Refer to "Changing Displayed Numerals or Character
Strings" (page 169) explained before.
To change the numerals or character strings displayed on the NT20S, copy the
data between the numeral or character-string memory tables by using the "copy
memory table setting" of the PT status control area.
NT20S
A
Write a memory table number etc. to the copy memory table setting area in the PT
status control area in the PC memory. Data will be copied between the memory
tables in the NT20S and the displayed value will change accordingly.
according to the situation. By preparing several units of contents, various contents
can be displayed by switching them to suit the situation.
["Copy memory table setting" of the PT status control area]
15 14 13 12 11 10 9
Word
0 Copy source memory table # (3-digit BCD)
n+1
Copy type Copy destination memory table # (3-digit BCD)
n+2
Copy type:
0: Copy between the character-string memory tables
1: Copy between the numeral memory tables
Copy source and destination memory table numbers: 000 to 127
S Available allocation words
The PT status control area can be allocated to the following PC areas:
Symbol
DM Data Memory
CH Internal/Special Relay
TIM Timer
CNT Counter
HR Holding Relay
AR Auxiliary Relay
LR Link Relay
Memory table
copy source
A
Copy destination
A
(for display)
8 7 6 5 4 3 2 1
C Series PCs Allocated
PC
PT status control area
Screen switch setting
Copy memory
table setting
PT status control setting
0 Bit

Copy memory

table setting

CVM1/CV Series PCs
f
Data Memory
f
Internal/Special Relay
Timer
Counter
f
–
f
Auxiliary Relay
f
–
Section 5-2
Copy source number
Copy destination
number
Allocated
f
f
f: OK
: NG