410
11-3-7 AR AREA READ –– RJ
Reads
the contents of the specified number of AR words, starting
from the speci
-
fied word.
Command Format
@ RJ
FCS
x
10
1
x 10
0
x 10
3
x 10
2
: ↵
x 10
1
x 10
0
x 10
3
x 10
2
x 10
1
x 10
0
Terminator
Beginning word
(0000 to 0027)
Node no.
Header
code
No. of words
(0001 to 0028)
Response Format
@ RJ
FCS
x
10
1
x 10
0
x 16
1
x 16
0
: ↵
x 16
3
x 16
2
x 16
1
x 16
0
Node
no.
End
code
Header
code
Read
data (1 word )
Read
data
(for number of words read)
Terminator
Parameters Read Data (Response)
The
contents of the number of words specified by the command are returned in
hexadecimal as a response. The words are returned in order, starting with the
specified beginning word.
11-3-8 IR/SR AREA WRITE –– WR
Writes
data to the IR and SR areas, starting from
the specified word. W
riting is
done word by word.
Command Format
@ WR
FCS
x
10
1
x 10
0
x 10
3
x 10
2
: ↵
x 10
1
x 10
0
x 16
3
x 16
2
x 16
1
x 16
0
Node no.
Header
code
Beginning word
(0000 to 051
1)
W
rite data (1 word)
W
rite data
(for number of words to write)
Terminator
Note Data
cannot be written to words 253 to 255. If there is an attempt to write to these
words, no error will result, but nothing will be written to these words.
Response Format
@ WR
x
10
1
x 10
0
x 16
1
x 16
0
: ↵
FCSNode
no.
End
code
Header
code
Terminator
Parameters Write Data (Command)
Specify
in order the contents of the number of words to be written to the IR or SR
area in hexadecimal, starting with the specified beginning word.
Note If
data is specified for writing which exceeds the allowable range, an error will be
generated
and the writing operation will not be executed. If, for example, 51
1 is
specified
as the beginning word for writing,and two words of data are specified,
then
0512 will become the last word for writing data, and the command will not be
executed because SR 512 is beyond the writeable range.
Host Link Commands
Section 11-3
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