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Chapter 5 Power Supply / CPU
5 -28
5.7 Memory Configuration
The CPU module includes two types of memory that are available by the user. One is program memory, which is
used to store the user programs written to implement a system by the user. The other is data memory, which sto
res data during operation.
Bit Data Area
Word Data Area User Program Area
I/O relay
“P”
Auxiliary relay
(3,040 points)
“M”
Special auxiliary relay
(32 points)
“M”
Keep relay
(512 points)
“
K
”
Special relay
(1,024 points)
“F”
Link relay
(1,024 points)
“L”
P00
M000
M189
M190
M191
K00
K31
F00
F63
L00
L63
Data Register
“D”
D0000
D4500
Reserved for special usage
Timer preset value
(256 words)
T000
T255
T000
Timer elapsed value
(256 words)
Counter preset value
(256 words)
Counter elapsed value
(
256 words
)
T255
C000
C255
C000
C255
Parameter setting area
Word
User Program Area
(10ksteps)
(economic type : 2ksteps)
Timer (100ms)
192 points
“T”
Timer (10ms)
59 points
“T”
Timer (1ms)
5 points
“T”
T000
T191
T192
T250
T251
T255
C000
Step Controller
(100 x 100 steps)
S00.00~S99.99
“S”
S00
S99
0 ~ F 0000 ~ FFFF
P63
D4999
Counter
“C”
C255