3.MESSAGE TRANSMISSION DESCRIPTION B-63434EN/02
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Table 3-5 Byte Block Read Interface Items
Interface item Description Direction
Transaction code Request message: 65003
Response message: 65203
U→S
S→U
Offset address on
virtual address
space
Request message: Offset address on virtual address
space of byte block data to be read
from the server
Response message: Same as above
U→S
Data size Request message: Size of byte block data to be read
from the server (in bytes)
Response message: Size of byte block data actually
read from the server (in bytes)
U→S
S→U
Read data buffer
start address
Request message: Start address of an area in the
PMC R area used to store byte
block data read from the server
Response message: Same as above
U→S
Read data Request message: Reserved
Response message: Byte block data actually read from
the server. When an abnormal
response is returned, an error code
is stored.
S→U
NOTE
For an error code stored when an abnormal
response is returned, refer to the manual of the
equipment of a message transmission destination.