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CHAPTER 2 CompoWay/F COMMUNICATIONS PROCEDURES
H8GN
2-8
This service writes to variable areas.
MRC SRC
Variable
type
Read start
address
Bit
position
Number of
elements
0 1 0 2
0 0
2
2
2
4
2
4
MRC SRC
Response
code
0 1 0 2
2
2
4
Write data
(for number of elements)
0 or 8 or 16
Service request PDU
Service response PDU
(1) Variable type and write start address
For details onvariable types and write start addresses, see Chapter
3 Communications Data."
(2) Bit position
Bit accessing is not supported on the H8GN. Fixed to 00".
(3) Number of elements
Number of
elements
Process
0000
Write is not carried out (the service response PDU is not
appended with write data), and processing ends in normal
completion."
0001 to 0002
Write is carried out, and processing ends in normal completion."
JWrite to variable
area