7 Modbus/TCP Communications
7 - 34
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
Function
This command specifies reading the IDs (i.e., the UIIs (EPC codes)) of the RF Tags in the communi-
cations range.
Command Format
Response Formats
• Normal Response
• Error Response
7-6-2
Multiaccess Communications Commands
SET MULTIACCESS ID READ
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
0009 hex
FF hex
10 hex
9000F hex
0001 hex
Byte-12
Byte-13 Byte-14
Byte
count
Options
02 hex
2 bytes
Parameter
Description
Register address
The register address (9000 hex) that specifies setting multiaccess ID reading
Word count
The number of words for the option (0001 hex)
Byte count
The number of option bytes (02 hex)
Options
For details, refer to
7-3 RF Communications Command Options
Options are implemented in a normal response to the
Byte-0
Byte-1
Byte-2
Byte-3
Byte-4
Byte-5
Byte-6
Byte-7
Byte-8
Byte-9
Transaction identi-
fier
Protocol identifier
Field length
Unit
identifier
Function
code
Word count
X
X
0000 hex
0004 hex
FF hex
10 hex
0001 hex
Parameter
Description
Word count
Always 0001 hex.
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
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 ...
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