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5-2
Section
Memory Tables and Graphs
201
Setting the Words of the Numeral Memory Table
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
Allocated
CVM1/CV Series PCs
Allocated
DM
Data Memory
f
Data Memory
f
CH
Internal/Special relay
f
Internal/Special relay
f
TIM
Timer
Timer
CNT
Counter
Counter
HR
Holding Relay
f
–
AR
Auxiliary Relay
f
Auxiliary Relay
LR
Link Relay
f
–
f
: OK
: 1 word only
: NG
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).
5-2-1 Allocation Words and Display of the Memory Tables
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
to 4
3
to 0
Bit
Digit 4
Digit 3
Digit 2
Digit 1
Example: 1234
15
to 12
11
to 8 7
to 4
3
to 0
Bit
1
2
3
4
[Stored as a double words]
Word
15
to12 11
to 8 7
to 4 3
to 0 Bit
Start
Digit 4
Digit 3
Digit 2
Digit 1
Start+ 1
Digit 8
Digit 7
Digit 6
Digit 5
Содержание NT620C
Страница 1: ...Cat No V033 E1 5 Programmable Terminals NT620S 620C OPERATION MANUAL...
Страница 2: ...NT620S 620C Programmable Terminals Operation Manual Revised April 2001...
Страница 3: ...iv...
Страница 5: ...vi...
Страница 326: ...Appendix K Option List 325 Battery 3G2A9 BAT08 This is a lithium battery used for memory backup...
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