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7 Modbus/TCP Communications
7 - 92
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
• Error Response
Execution Examples
Example 1) When communicating with a tag where the lead word of the RF Tag UII (EPC code) is
1234 hex using the RF Tag selection filter conditions of the Reader/Writer
Address: 1002 hex, Data length: 1 word, Data to check for: 1234 hex
TX: 00000000002DFF10C500001326000110020001123400…00
RX: 000000000006FF10C5000013
Example 2) Execution When Disabling RF Tag Selection Filter Conditions for the Reader/Writer
TX: 00000000002DFF10C50000132600000000000000000…00
RX: 000000000006FF10C5000013
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 identifier
Protocol identifier
Field length
Unit iden-
tifier
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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