Omron CJ1W-DRM21 Manual de usuario Pagina 178

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Receiving Explicit Messages Section 6-5
I/O Memory Read/Write for CPU Units
The commands and responses for the explicit messages that can be sent and
received are described on the following pages.
Note In the following command and response formats, all boxes repre-
sents 1 byte.
Service Service
code
Class ID Instance ID Request
service
data
Contents
Byte Data Read IC Hex 2F Hex Specifies
area (01 Hex
to 14 Hex)
Address, No.
of read bytes
Reads the specified node data in byte units.
The word data is read in order, from high to
low bytes.
Read data: 200 bytes max.
Word Data
Read
ID Hex Address, No.
of read
words
Reads the specified node data in word
units. The word data is read in order, from
high to low bytes.
Read data: 200 bytes max.
Byte Data Write IE Hex Address,
word data
Writes the specified node data in byte units.
The word data is specified in order, from
high to low bytes.
Write data: 200 bytes max.
Word Data Write IF Hex Address
word data
Writes the specified node data in word
units. The word data is specified in order,
from high to low bytes.
Write data: 200 bytes max.
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