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11 INSTRUCTIONS AND FUNCTIONS
Buffer memory viewed
from the PLC CPU
(Address)
23
H
1
(H)
00
H
2
(H)
00
H
3
(H)
11 - 211
2) If an input element is specified as a character variable or character array
variable name:
PCRD TBL%( ), RD%( )
Number of bytes to be read • • • • 6 bytes
Starting address • • • • • • • • • • •
Module number • • • • • • • • • • • •
Buffer memory viewed
from the BASIC program
(Address)
82
45
45
H
H
(L)
83
23
H
84
12
12
H
H
(L)
85
00
H
86
18
18
H
H
(L)
87
00
H
82
H
05
H
RD $
(L)
H
(H)
H
(L)
H
(H)
H
(L)
H
(H)
H
Specify
Storage status
of data read
1st
2nd
3rd
4th
character
character
character
character
45
23
12
00
H
H
H
H
MELSEC-Q
5th
6th
character
character
18
00
H
H
11 - 211
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