Mitsubishi MELSEC LJ71C24, Руководство пользователя

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App. - 50 App. - 50
APPENDIXES
(b) Data flow: Reverse direction
1) "Complement calculation" is 'No complement calculation'
(1FD
H
in hexadecimal is 509 in decimal)
Data length
Code type
1 byte 2 bytes 3 bytes 4 bytes
ASCII
hexadecimal "DF"
(44
H
46
H
)
"DF1"
(44
H
46
H
31
H
)
"DF10"
(44
H
46
H
31
H
30
H
)
ASCII decimal
"90"
(39
H
30
H
)
"905"
(39
H
30
H
35
H
)
"9050"
(39
H
30
H
35
H
30
H
)
HEX FD01
H
FD0100
H
FD010000
H
2) "Complement calculation" is 'One's complement'
(One's complement of 0000 01FD
H
is FFFF FE02
H
)
When "Code type" is 'ASCII decimal', the last one word is extracted
and converted from hexadecimal to decimal.
(FF02
H
in hexadecimal is 65026 in decimal)
Data length
Code type
1 byte 2 bytes 3 bytes 4 bytes
ASCII
hexadecimal "20"
(32
H
30
H
)
"20E"
(32
H
30
H
45
H
)
"20EF"
(32
H
30
H
45
H
46
H
)
ASCII decimal
"62"
(36
H
32
H
)
"620"
(36
H
32
H
30
H
)
"6205"
(36
H
32
H
30
H
35
H
)
HEX
02FE
H
02FEFF
H
02FEFFFF
H
3) "Complement calculation" is 'Two's complement'
(Two's complement of 0000 01FD
H
is FFFF FE03
H
)
When "Code type" is 'ASCII decimal', the last one word is extracted
and converted from hexadecimal to decimal.
(FE03
H
in hexadecimal is 65027 in decimal)
Data length
Code type
1 byte 2 bytes 3 bytes 4 bytes
ASCII
hexadecimal "30"
(30
H
33
H
)
"30E"
(33
H
30
H
45
H
)
"30EF"
(33
H
30
H
45
H
46
H
)
ASCII decimal
"72"
(37
H
32
H
)
"720"
(37
H
32
H
30
H
)
"7205"
(37
H
32
H
30
H
35
H
)
HEX 03FE
H
03FEFF
H
03FEFFFF
H