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7 Modbus/TCP Communications
7 - 24
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
Function
This command writes the ID (i.e., the UII (EPC code)) to the RF Tag in the communications range.
Command Format
Response Formats
• Normal Response
Note If the reception level is required, use
GET RF TAG ADDITIONAL INFORMATION
• Error Response
ID WRITE
Byte-0
Byte-1
Byte-2
Byte-3
Byte-4
Byte-5
Byte-6
Byte-7
Byte-8
Byte-9
Byte-10
Byte-11
Transaction identi-
fier
Protocol identifier
Field length
Unit
identifier
Function
code
Register address
Word count
X
X
0000 hex
2 bytes
FF hex
10 hex
4000 hex
2 bytes
Byte-12
Byte-13
Byte-14
Byte-15
…
Byte-n
Byte
count
UII (EPC) length
UII (EPC code)
1 byte
2 bytes
0 to 62 bytes
Parameter
Description
Field length
Setting range: 0015 to 0047 hex
Register address
The register address (4000 hex) that specifies reading or writing the ID
Word count
Setting range: 0001 to 0020 hex
Byte count
Setting range: 02 to 40 hex
UII (EPC) length
Gives the word size of the UII (EPC code) in 4-digit hexadecimal.
0000 to 001F hex (0 to 32)
UII (EPC code)
Gives the Tag-specific information according to Gen2 standards.
Byte-0
Byte-1
Byte-2
Byte-3
Byte-4
Byte-5
Byte-6
Byte-7
Byte-8
Byte-9
Byte-10 Byte-11
Transaction identi-
fier
Protocol identifier
Field length
Unit
identifier
Function
code
Register address
Word count
X
X
0000 hex
0006 hex
FF hex
10 hex
2 bytes
2 bytes
Parameter
Description
Register address
The register address from the command is set.
Word count
The word count from the command is set.
Byte-0
Byte-1
Byte-2
Byte-3
Byte-4
Byte-5
Byte-6
Byte-7
Byte-8
Transaction identi-
fier
Protocol identifier
Field length
Unit
identifier
Function
code
Excep-
tion
code
X
X
0000 hex
0003 hex
FF hex
90 hex
1 byte
Parameter
Description
Exception code
For details, refer to
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: ......