Omron CRT1 - 10-2008 Operation Manual page 547

CompoNet Explicit Messages
Example of Using Explicit Messages
Example of Sending an Explicit Message with the CMND Instruction
CompoNet Master Unit
Unit number: 0
CPU
Unit
Unit address: 20 hex (See note.)
Explicit message
Note: The CompoNet Master Unit (or Special I/O Unit)
unit address is the unit number + 20 hex.
Operation
The unit maintenance PV (class ID: 95 hex, instance ID: 01 hex, attribute ID: 71 hex) is read from the Slave
Unit.
The command data is read by using the EXPLICIT MESSAGE SEND command (28 02).
The command data is written in words starting from D01000 in the CPU Unit and the response data is stored in
words starting from D02000.
524
CMND instruction
executed to send
explicit message
Input Slave Unit
Node address: 11
Appendix A