Omron V780-Series User Manual page 86

6 Functions
Multiaccess Operation
RF Tag RF Tag
RF Tag RF Tag
The Reader/Writer waits for multiple RF Tags to enter the communications range, and starts communi-
cations even if one RF Tag is detected. Each time the communications process is completed, the
Reader/Writer returns a response. The communications operation continues until the command execu-
tion request from the host device is cleared.
Communications command
Host device
Reader/Writer
RF Tag movement
Additional Information
The behavior of the RF Tag that has communicated once with the Reader/Writer depends on
the Gen2 session setting in the advanced RF communications settings.
Precautions for Correct Use
For details, refer to Gen2 Session on page 6-26
6 - 14
Communications start when one of the
RF Tags enters the communications range.
RF Tag
Reader/Writer
Repeat communications
Waiting for RF Tag Waiting for RF Tag
RF Tag A
UHF RFID System V780-series Reader/Writer User's Manual (EtherNet/IP
Response Response
Waiting for RF Tag
RF Tag B
TM
) (Z402)