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(1) Buffer memory in the CC-Link
Buffer in the intelligent device station
Buffers in master station and local station
(2) Device memory in the programmable controller CPU
Device contents
Input relay
Output relay
Internal relay
Latch relay
Link relay
Timer (contact)
Timer (coil)
Timer (present value)
Retentive timer (contact)
Retentive timer (coil)
Retentive timer (present value)
Counter (contact)
Counter (coil)
Counter (present value)
Data register
Link register
File register
Link special relay
Link special register
Special relay
Special register
Devices other than shown above cannot be accessed.
When accessing a bit device, specify it with 0 or a multiple of 16.
The extended data register of address D65536 or higher, and the extended link register of address W10000 or
higher cannot be specified.
Buffer Memory contents
Random access buffer
Remote input
Remote output
Remote register
Link special relay
Link special register
Device type
Name
Bit
X
Y
M
L
B
T
T
T
ST
ST
ST
C
C
C
D
W
R
SB
SW
SM
SD
CHAPTER 9 DEDICATED INSTRUCTIONS AND PROGRAMMING
Access code
Unit
Access code
Word
Hexadecimal
Hexadecimal
Decimal
Decimal
Hexadecimal
Decimal
Decimal
Decimal
Decimal
Decimal
Decimal
Decimal
Decimal
Decimal
Decimal
Hexadecimal
Decimal
Hexadecimal
Hexadecimal
Decimal
Decimal
Attribute
code
00
H
20
H
21
H
22
04
H
H
24
H
63
H
64
H
Attribute
code
01
H
02
H
03
H
83
H
23
H
09
H
0A
H
0C
H
89
H
8A
H
8C
05
H
H
11
H
12
H
14
H
04
H
24
H
84
H
63
H
64
H
43
H
44
H
195
9
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