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UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
This section provides an overview of Modbus/TCP communications and describes the
communications format, communications commands, and communications procedure.
Modbus/TCP Function Codes Supported by the V780 . . . . . . . . . . . . . . . . . . 7-3
Response Format for Normal Completion . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
Response Format for Error Completion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Read Multiple Resisters Command/Response (FC03) . . . . . . . . . . . . . . . . . . 7-8
Write Multiple Resisters Command/Response (FC16) . . . . . . . . . . . . . . . . . . 7-8
Expanded Command/Response (FC100) . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
7-3 RF Communications Command Options . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
Command Communications Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12
Error Response Reception Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13
Single-access Communications Commands . . . . . . . . . . . . . . . . . . . . . . . . 7-22
Multiaccess Communications Commands . . . . . . . . . . . . . . . . . . . . . . . . . . 7-34
Modbus Expansion Communications Commands . . . . . . . . . . . . . . . . . . . . 7-44
Reader/Writer Control Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-52
Reader/Writer Setting Commands: Network Settings . . . . . . . . . . . . . . . . . . 7-57
Reader/Writer Setting Commands: Communications Settings . . . . . . . . . . . 7-73
Reader/Writer Setting Commands: Device Settings . . . . . . . . . . . . . . . . . . 7-103
Maintenance Commands: Device Information . . . . . . . . . . . . . . . . . . . . . . . 7-111
Maintenance Commands: Log Information . . . . . . . . . . . . . . . . . . . . . . . . . 7-124
Maintenance Commands: RF Communications Information . . . . . . . . . . . 7-131
Modbus/TCP 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 ...
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