Omron CRT1 - 10-2009, Operation Manual

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CompoNet Explicit Messages
Appendix A
Example of Using Explicit Messages
Example of Sending an Explicit Message with the CMND Instruction
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.
CompoNet Master Unit
Unit number: 0
CMND instruction
executed to send
explicit message
CPU
Unit
Unit address: 20 hex (See note.)
Explicit message
Input Slave Unit
Node address: 11
Note: The CompoNet Master Unit (or Special I/O Unit)
unit address is the unit 20 hex.