7 Ethernet/IP Communications
7-2-9
Maintenance Commands: RF Communications Information
GET RF TAG ADDITIONAL INFORMATION
Function
This command is used to check the attached information (i.e., the UII (EPC code), reception level,
and Reader/Writer No.) that resulted from communications for a single-access command with the
immediately preceding RF Tag.
If communications for the immediately preceding single-access command ended in an error,
attached information of 00 hex will be returned.
Command Area
Signal/data
CmdCode/Command Code
CmdParam1/Command Parameter 1
CmdParam2/Command Parameter 2
Reserved/Reserved Area
Cnt Response/Update Counter
Response
Response Area
Signal/data
ErrCode/Error Code
RespInfo1/Response Information 1
RespInfo2/Response Information 2
RespInfo3/Response Information 3
Cnt/Update Counter
RespData/Response Data
StoredPC
UII (EPC code)
7 - 68
Data type
Size
WORD
2 bytes
WORD
2 bytes
WORD
2 bytes
WORD
2 bytes
WORD
2 bytes
Data type
Size
WORD
2 bytes
WORD
2 bytes
WORD
2 bytes
WORD
2 bytes
WORD
2 bytes
WORD
2 bytes
ARRAY[]
31 words
OF WORD
(62 bytes)
UHF RFID System V780-series Reader/Writer User's Manual (EtherNet/IP
Function
4201 hex
0000 hex (Not used.)
0000 hex (Not used.)
0000 hex (Not used.)
0000 hex (At command execution)
The value is counted up due to a change in
the update counter.
For details, refer to Update Counter/Update
Counter Response on page 7-10.
Function
Error code
R/W no. of the Reader/Writer communicating
with the RF Tag
0000 to 0007 hex
0000 hex (Not used.)
Reception level
FFFF to FF9D hex (-1 to -99 [dBm])
0000 to FFFF hex
The value is counted up due to a change in
the response area.
For details, refer to Update Counter/Update
Counter Response on page 7-10.
Expresses the StoredPC data.
The upper 5 bits are the UII (EPC) word
length.
All bytes of the EPC code section that exceed
the EPC word length in the StoredPC are
filled with 00 hex.
TM
) (Z402)