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11-1-4 Memory Area Designations
The following table gives the addresses to use when reading or writing PC data.
Memory area
Data
Data area address
Address used in
communications
Memory
area code
No. of
bytes
1st and 2nd
bytes
3rd byte
CIO area
Bit status
00000 to 51115
0000 to 01FF
00 to 0F
00
1
Word contents
000 to 511
00 to 00
80
2
LR area
Bit status
LR 0000 to LR 6315
03E8 to 0427
00 to 0F
00
1
Word contents
LR 00 to LR 63
00 to 00
80
2
HR area
Bit status
HR 0000 to HR 9915
0428 to 048B
00 to 0F
00
1
Word contents
HR 00 to HR 99
00 to 00
80
2
AR area
Bit status
AR 0000 to AR 2715
048C to 04A7
00 to 0F
00
1
Word contents
AR 00 to AR 27
00 to 00
80
2
Timer/Counter
Area
Completion
Flag status
TIM 000 to TIM 511
CNT 000 to CNT 511
0000 to 01FF
00 to 00
01
1
PV
TIM 000 to TIM 511
CNT 000 to CNT 511
00 to 00
81
2
DM Area
Word contents
DM 0000 to DM 9999
0000 to 270F
00 to 00
82
2
Expansion DM
Area
Word contents
EM 0000 to EM 6143
0000 to 17FF
00 to 00
90 to 98
2
Note
1. The size of the memory area varies depending on the PC. Refer to the PCs
operation manual for details on the size limits of the memory areas.
2. The meanings of the memory area codes for the Expansion DM area are
shown below.
Memory area code
Meaning
98
Current bank
90 to 97
Banks 0 to 7
A8 to AF
Banks 8 to 15
11-1-5 MEMORY AREA READ
Reads the contents of the specified number of consecutive memory area words
starting from the specified word. All words must be in the same memory area
(here, all memory areas with the same memory area code are considered as one
area).
Note Even when the no. of items is 00, this command will end normally.
Command Block
Beginning
word
Memory area code
No. of items
Command
code
Response Block
Response
code
Command
code
Data
Parameters
Memory area code (command): The data area to read.
Commands and Responses for C200HX/HG/HE CPUs
Section 11-1
Summary of Contents for SYSMAC C200HW-PCS01-EV1
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