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7 Modbus/TCP Communications
7 - 66
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
Function
This command is used to check the Modbus/TCP communications conditions of the Reader/Writer.
Command Format
Response Formats
• Normal Response
• Error Response
Execution Examples
Execution When the Following Modbus/TCP Communications Conditions Are Set in the
Reader/Writer
Port number: 502
TX: 000000000006FF03B2000001
RX: 000000000005FF030201F6
GET MODBUS/TCP COMMUNICATIONS CONDITIONS
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
03 hex
B200 hex
0001 hex
Parameter
Description
Default set-
ting
Register address The register address (B200 hex) that specifies the Modbus/TCP communications conditions
Word count
The number of words of the Modbus/TCP communications conditions to read (0001 hex)
Byte-0
Byte-1
Byte-2
Byte-3
Byte-4
Byte-5
Byte-6
Byte-7
Byte-8
Byte-9
Byte-10
Transaction identi-
fier
Protocol identifier
Field length
Unit
identifier
Function
code
Byte
count
Modbus/TC com-
munications condi-
tions
Port number
X
X
0000 hex
0005 hex
FF hex
03 hex
02 hex
2 bytes
Parameter
Description
Byte count
The number of bytes in the Modbus/TCP communications conditions that were
read (02 hex)
Modbus/TC
communica-
tions conditions
Port num-
ber
Gives the Modbus/TCP communications port number in 4-digit hexadecimal.
Example: 01F6 hex (502)
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
83 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 ...
Page 397: ......