Sending Explicit Messages - Omron CJ Series Operation Manual

6 Message Communications
6-2

Sending Explicit Messages

You can use a CJ-series CompoNet Master Unit to send explicit messages with a header attached.
Explicit messages can be sent to CompoNet Slave Units.
Example:
NJ-series CPU Unit
CompoNet Network
6-2-1 Sending Explicit Messages
To send an explicit message to a CompoNet Slave Unit, use a command (2802) as shown below to
send it to the CompoNet Master Unit.
NJ-series CPU Unit
SendCmd
instruction
Note: Command code is set to 2802.
6-4
CJ-series CompoNet Master Unit
• Explicit messages can be sent.
Explicit message
CompoNet Master Unit
Explicit
Header
message
Header
Response
CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)
CompoNet Slave Unit
Explicit
Header
message
CompoNet Network
Header
Response
CompoNet Slave Unit