Ethernet/Ip Communications With The Reader/Writer - Omron V680S Series User Manual

EtherNet/IP Communications with the Reader/Writer

You can use EtherNet/IP tag data links to communicate between the PLC and the Reader/Writer to
perform control via command/response communications or to perform RF Tag communications. The
following communications areas are prepared in the PLC to perform communications.
Area name
Command Area This is the area to which you write commands for the Reader/Writer to execute.
Response Area This is the area to which the Reader/Writer writes the results of commands executed from the
command area.
PLC
Output Tag Set
Output Tags
Command Area
The control commands to
send to the Reader/Writer are
written here.
• Control signals
• Command codes
• Command parameters
Input Tag Set
Input Tags
Response Area
The execution results from
the Reader/Writer are
written here.
Description
Reader/Writer
Input Tag Set
The control commands that
Commands
were written to the command
area are executed.
Output Tag Set
The execution results are
Responses
written to the response area in
the PLC.
• Status signals
• Response code
• Response data
40 to 1,032 bytes
Execution
40 to 1,032 bytes