Omron NT620S Operation Manual page 212

Memory Tables and Graphs
Setting the Words of the Numeral Memory Table
5-2-1 Allocation Words and Display of the Memory Tables
When creating the screen data by using the support tool, make the following set-
tings for each numbered numeral:
S Initialization setting
Set whether or not the PC words are initialized with the numeral memory table
initial value registered to the screen data memory when the main power supply
is turned ON or reset.
S Number of registration words
Set the number of words within 2 words required for registering the numeral
data. One word can store up to 4 digits. Two words can store up to 8 digits.
S Setting the words for the numeral memory tables
The numeral memory tables can be allocated to the following PC words. Set
the word type and the first word.
Symbol C Series PCs
DM Data Memory
CH Internal/Special relay
TIM Timer
CNT Counter
HR Holding Relay
AR Auxiliary Relay
LR Link Relay
Since the special auxiliary relays of the CVM1/CV series PCs are allocated to
the system, they cannot be used for purposes other than the system use.
The range of respective area varies with the type of PC. Refer to Appendix L
"PC Memory Map" (page 327).
This section explains the relationship between the contents of the allocated
words of numeral/character-string memory tables and their display.
S Contents of numeral memory tables
[Stored as a single word]
15 to 12 11 to 8 7
Digit 4 Digit 3
Example: 1234
15 to 12 11 to 8 7
1 2
[Stored as a double words]
Word 15 to12 11
Start Digit 4 Digit 3
Start+ 1 Digit 8 Digit 7
Allocated CVM1/CV Series PCs
f
Data Memory
f
Internal/Special relay
Timer
Counter
f
–
f
Auxiliary Relay
f
–
f: OK
to 4 3 to 0 Bit
Digit 2 Digit 1
to 4 3 to 0 Bit
3 4
to 8 7 to 4 3 to 0 Bit
Digit 2 Digit 1
Digit 6 Digit 5
Section 5-2
Allocated
f
f
: 1 word only : NG
201