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7 Modbus/TCP Communications
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
7-4 C
o
mm
un
icatio
ns Pro
cedu
re
7
7-4
-4 RF
T
ag C
ommunications Command
Pr
oced
ure for
Multiaccess Communica-
tions
Precautions for Correct Use
If you execute another communications command (e.g., a single-access read, write, or fill com-
mand or a multiaccess read command) before you execute the commands to get the results,
the multiaccess communications results held in the Reader/Writer will be cleared.
Host device
(client)
Reader/Writer
(server)
RF Tag A
RF Tag B
RF Tag C
SET MULTIACCESS DATA READ
communications command sent.
GET MULTIACCESS DATA READ RESULTS communications command sent.
GET MULTIACCESS DATA READ RESULTS communications command sent.
Communications range
RF Tag memory
read/written.
Error code
Read data
Number of RF Tags: 3
UII (EPC code)
+ Reception level
Error code
Read data
Number of RF Tags: 2
UII (EPC code)
+ Reception level
Response returned.
Response returned.
Response returned.
GET MULTIACCESS DATA READ RESULTS communications command sent.
Error code
Read data
Number of RF Tags: 1
UII (EPC code)
+ Reception level
Response returned.
Command execution
Timeout (TMO)
RF Tag A
communications
results
RF Tag B
communications
results
RF Tag C
communications
results
Содержание V780 Series
Страница 22: ...Version Upgrade Information 20 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 60: ...3 Part Names and Functions 3 14 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 70: ...4 Installation and Connections 4 10 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 76: ...5 Preparations for Communications 5 6 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 152: ...6 Functions 6 76 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 334: ...8 Browser Interface 8 44 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 358: ...9 Troubleshooting 9 24 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 362: ...10 Maintenance and Inspection 10 4 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 392: ...Appendices A 30 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 393: ...I 1 I UHF RFID System V780 series Reader Writer User s Manual Z389 Index ...
Страница 397: ......