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Note
Section 5-2
Available allocation words
The memory tables can be allocated to the following PC areas:
CSeriesPCs CVM1/CV Series PCs
Symbol
A
r
e
a
N
a
m
e
Allocation
A
r
e
a
N
a
m
e
Allocation
y
A
rea
N
ame
Numeral
Character
A
rea
N
ame
Numeral
Character
DM Data Memory
✓ ✓
Data Memory
✓ ✓
CH
Internal/Special
Relay
✓ ✓
Internal/Special
Relay
✓ ✓
TIM Timer Timer
CNT Counter Counter
HR Holding Relay
✓ ✓
--
AR Auxiliary Relay
✓ ✓
Auxiliary Relay
LR Link Relay
✓ ✓
--
✓
: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 291).
Contents of the numeral memory tables
Numerals are stored in the allocated words as shown below.
[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 to 12 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
Example: 12345678
Word 15 to 12 11 to 8 7 to 4 3 to 0 Bit
Start 5
6 7 8
Start+ 1 1 2 3 4