60
Sect
ion 3
Dev
ic
e
Net
Co
m
m
u
n
ic
at
io
n Se
tt
ings
E3X-DRT21-S
User’s Manual
Section 3
Explicit Message Communications
Write Commands
A write command writes its data to a connected sensor or communication unit.
When using an OMRON master, command/response formats are shown as follows:
●
Command Format
●
Response Format
• Normal
• Error
Destination
Node
Address
Service
Code
Class ID
Instance ID
Attribute ID
Write Data
10 (Fixed)
1 byte
1 byte
2 bytes
2 bytes
1 byte
2 bytes
Length of Received
Bytes
Destination
Node
Address
Service
Code
0002 (Fixed)
90 (Fixed)
2 bytes
1 byte
1 byte
Length of Received
Bytes
Destination
Node
Address
Service
Code
Error Code
0004
94 (Fixed)
2 bytes
1 byte
1 byte
2 bytes