![background image](http://html1.mh-extra.com/html/omron/v780-series/v780-series_user-manual_743948160.webp)
7 Modbus/TCP Communications
7 - 8
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
04 hex
Failure in slave device
2*** hex
RF Tag communications error
1012 hex
Command execution failure (inappropriate opera-
tion mode)
1013 hex
Command execution failure (inappropriate RF
communications mode)
1018 hex
Command execution failure, minor fault
101F hex
Command execution failure, major fault
06 hex
Slave device busy
1011 hex
Command execution failure, busy
7-2-4
Read Multiple Resisters Command/Response (FC03)
Command Format
Byte-7
Byte-8
Byte-9
Byte-10 Byte-11
Function code
Register address
Word count
03 hex
XXXX hex
0001 to 0078 hex
(1 to 120)
Normal Response Format
Byte-7
Byte-8
Byte-9
…
Byte-n
Function code
Byte count
Read multiple registers data
03 hex
XX hex
XX...XX hex
7-2-5
Write Multiple Resisters Command/Response (FC16)
Command Format
Byte-7
Byte-8
Byte-9
Byte-10 Byte-11
Byte-12
Byte-13
…
Byte-n
Function code
Register address
Word count
Byte count
Write multiple registers data
10 hex
XXXX hex
0001 to 0078 hex
(1 to 120)
Word count x 2
XX...XX hex
Normal Response Format
Byte-7
Byte-8
Byte-9
Byte-10 Byte-11
Function code
Register address
Word count
10 hex
XXXX hex
0001 to 0078 hex
(1 to 120)
Exception
code
Exception code meaning
V780 error code
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 ...
Page 397: ......