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7 Modbus/TCP Communications
7 - 88
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
Function
This command sets the access password for RF Tag communications of the Reader/Writer.
Command Format
Response Formats
• Normal Response
• Error Response
SET ACCESS PASSWORD
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
000B hex
FF hex
10 hex
C400 hex
0002 hex
Byte-12
Byte-13
...
Byte-16
Byte
count
Access password
04 hex
4 bytes
Parameter
Description
Default setting
Register address
The register address (C400 hex) that specifies the access password setting
Access password
Specify the access password to use for RF Tag communications in
8-digit hexadecimal.
The specified access password is stored in EEPROM memory in
the Reader/Writer.
If the access password in the RF Tag is not all zeros, the access
password that is stored in EEPROM memory must be used to exe-
cute LOCK, ID WRITE, DATA READ, or DATA WRITE commands.
00000000 hex
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
10 hex
C400 hex
0002 hex
Parameter
Description
Word count
Always 0002 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 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
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: ......