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6 Functions
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
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2-4 Co
mmunications Commands
This command reads the UIIs (EPC codes) of multiple RF Tags in the communications range.
• The following data is read and is always 32 words: StoredPC field (1 word) and UII (EPC) field (31
words).
• The following table shows the communications modes that you can specify for MULTIACCESS ID
READ.
Supported: Can be specified, Not supported: Cannot be specified.
This command reads data from the memory of multiple RF Tags in the communications range.
• Specify the read start address and read size to specify the range to read.
• You can read up to 2,048 words (4 Kbytes) from each RF Tag memory bank.
• You cannot read data from more than one RF Tag memory bank at the same time.
• The actual address range that you can read from depends on the type of RF Tag that you use.
• You can read up to 32 words with one command.
• The following table shows the communications modes that you can specify for MULTIACCESS DATA
READ.
Supported: Can be specified, Not supported: Cannot be specified.
The errors that can occur for each communications command are given in the following table.
Supported: Can occur, Not supported: Will not occur.
MULTIACCESS ID READ
Once
Auto
Focus
Remarks
Supported
Supported
Not supported
MULTIACCESS DATA READ
Once
Auto
Focus
Remarks
Supported
Supported
Not supported
Communications Commands and Error Codes
Command
name
RF Tag
missing
error
(2001 hex)
RF Tag
communi-
cations
failure
(2002 hex)
RF Tag
address
error
(2004 hex)
RF Tag
lock error
(2005 hex)
RF Tag
Verifica-
tion error
(2006 hex)
RF Tag
system
error
(2008 hex)
Password
error
(2009 hex)
DATA READ
Supported
Supported
Supported
Supported
Not sup-
ported
Supported
Supported
DATA WRITE
Supported
Supported
Supported
Supported
Supported
Supported
Supported
ID READ
Supported
Supported
Not sup-
ported
Not sup-
ported
Not sup-
ported
Supported
Not sup-
ported
ID WRITE
Supported
Supported
Not sup-
ported
Supported
Supported
Supported
Supported
LOCK
Supported
Supported
Not sup-
ported
Supported
Not sup-
ported
Supported
Supported
DATA FILL
Supported
Supported
Supported
Supported
Supported
Supported
Supported
MULTIACCESS
ID READ
Supported
Supported
Not sup-
ported
Not sup-
ported
Not sup-
ported
Supported
Not sup-
ported
MULTIACCESS
DATA READ
Supported
Supported
Supported
Supported
Not sup-
ported
Supported
Supported
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: ......