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7 Modbus/TCP Communications
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
7-
6 V780 Co
mm
and
Detail
s
7
7-6
-9 Maintenance Comma
nds:
Log Infor
m
ation
Function
This command is used to check the most recent command error information from the Reader/Writer.
The most recent command error information is cleared when the Reader/Writer is restarted.
Command Format
Response Formats
• Normal Response
GET MOST RECENT COMMAND ERROR INFORMATION
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
D900 hex
000C hex
Parameter
Description
Register address
The register address (D900 hex) that specifies reading the most recent command
error information
Word count
The number of words in the most recent command error information to read (000C
hex)
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 identifier
Function code
Byte count
X
X
0000 hex
001B hex
FF hex
03 hex
18 hex
Byte-9
...
Byte-12
Byte-13
...
Byte-16
Byte-17
Byte-18
Byte-19
Byte-20
Byte-21
Byte-22
Most recent command error information
Time information
IP address of the remote
device
Transaction identifier
Command code
Error code
4 bytes
4 bytes
2 bytes
2 bytes
2 bytes
Byte-23
Byte-24
Byte-25
Byte-26
Byte-27
Byte-28
Byte-29
Byte-30
Byte-31
Byte-32
Most recent command error information
Reader/Writer Number
Attached information 1
Attached information 2
2 bytes
4 bytes
4 bytes
Parameter
Description
Byte count
The number of bytes in the most recent command error informa-
tion that was read (18 hex)
Most recent
command error
information
Time information
Gives the time information in 8-digit hexadecimal
IP address of the remote
device
Gives the IP address that was read in 8-digit hexadecimal.
Example: C0A801C8 hex (192.168.1.200)
Transaction identifier
The transaction identifier specified in the command that produced
the error
Command code
Gives the command code in 8-digit hexadecimal.
Error code
For details, refer to
Reader/Writer Number
This displays the Reader/Writer number of the reader/writer com-
municating with the RF Tag in 4 hexadecimal digits.
* This is 0000 hex if Multi-Reader/Writer mode is disabled or if
there is a command error.
Attached information 1
Gives additional information 1 on the error in 8-digit hexadecimal.
Attached information 2
Gives additional information 2 on the error in 8-digit hexadecimal.
Содержание V780 Series
Страница 22: ...Version Upgrade Information 20 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 60: ...3 Part Names and Functions 3 14 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 70: ...4 Installation and Connections 4 10 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 76: ...5 Preparations for Communications 5 6 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 152: ...6 Functions 6 76 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 334: ...8 Browser Interface 8 44 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 358: ...9 Troubleshooting 9 24 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 362: ...10 Maintenance and Inspection 10 4 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 392: ...Appendices A 30 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Страница 393: ...I 1 I UHF RFID System V780 series Reader Writer User s Manual Z389 Index ...
Страница 397: ......