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6 Functions
6 - 60
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
Operation of "Once" Communications Mode
• If the RF Tag completes normally in any of the Reader/Writers in single-access
The master Reader/Writer communicates with the RF Tags by switching control of itself and the
Slave Reader/Writers in time division. When "RF Tag Missing Error" or "RF Tag Communications
Error" are detected in the communications processing of the Reader/Writers, the communications
processing continues through switching the control in the order of Master
→
Slave 1
→
Slave 2
→
Slave 3, and repeats this until timeout. When an RF Tag is detected and completes normally, it
returns the communications results without waiting for a timeout.
• If communications with an RF Tag completes abnormally in any of the Reader/Writers in single-access
The master Reader/Writer communicates with the RF Tags by switching control of itself and the
Slave Reader/Writers in time division. When an RF Tag is detected and completes abnormally (other
than the "RF Tag Missing Error" and "RF Tag Communications Error"), it returns the communications
results without waiting for a timeout.
Host device
Master Reader/Writer
Slave Reader/Writer 1
Slave Reader/Writer 2
Slave Reader/Writer 3
RF Tag movement
Communications
Commands
“Once”
communications
Timeout
“Once”
communications
“Once”
communications
“Once”
communications
“Once”
communications
“Once”
communications
RF Tag
RF Tag Missing or RF Tag Communications Error
Command
Slave control
Response
Host device
Master Reader/Writer
Slave Reader/Writer 1
Slave Reader/Writer 2
Slave Reader/Writer 3
RF Tag movement
Communications
Commands
Timeout
RF Tag
RF Tag Missing or RF Tag Communications Error
Command
Slave control
Response
Address error
“Once”
communications
“Once”
communications
“Once”
communications
“Once”
communications
“Once”
communications
“Once”
communications
Summary of Contents for V780 Series
Page 22: ...Version Upgrade Information 20 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 60: ...3 Part Names and Functions 3 14 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 152: ...6 Functions 6 76 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 334: ...8 Browser Interface 8 44 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 358: ...9 Troubleshooting 9 24 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 392: ...Appendices A 30 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 393: ...I 1 I UHF RFID System V780 series Reader Writer User s Manual Z389 Index ...
Page 397: ......