Omron V680 Series User Manual page 208

Section 7
Host Communications Specifications
Example: Processing was aborted when a STOP query was received immediately after completing
processing after the Reader/Writer detected an RF Tag.
Client
(host device)
RFID System
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User's Manual
(Modbus TCP)
WRITE DATA (Auto specified.)
STOP
Response (normal end)
Response (normal end)
Server
(Reader/Writer)
RF Tag