Omron V780-HMD68-EIP-JP, User Manual

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7 Ethernet/IP Communications
7 - 68 UHF RFID System V780-series Reader/Writer User’s Manual (EtherNet/IP
TM
) (Z402)
z 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.
z Command Area
z Response Area
7-2-9 Maintenance Commands: RF Communications Information
GET RF TAG ADDITIONAL INFORMATION
Signal/data Data type Size Function
CmdCode/Command Code WORD 2 bytes 4201 hex
CmdParam1/Command Parameter 1 WORD 2 bytes 0000 hex (Not used.)
CmdParam2/Command Parameter 2 WORD 2 bytes 0000 hex (Not used.)
Reserved/Reserved Area WORD 2 bytes 0000 hex (Not used.)
Cnt Response/Update Counter
Response WORD 2 bytes 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.
Signal/data Data type Size Function
ErrCode/Error Code WORD 2 bytes Error code
RespInfo1/Response Information 1 WORD 2 bytes R/W no. of the Reader/Writer communicating
with the RF Tag
0000 to 0007 hex
RespInfo2/Response Information 2 WORD 2 bytes 0000 hex (Not used.)
RespInfo3/Response Information 3 WORD 2 bytes Reception level
FFFF to FF9D hex (-1 to -99 [dBm])
Cnt/Update Counter WORD 2 bytes 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.
RespData/Response Data
StoredPC WORD 2 bytes Expresses the StoredPC data.
The upper 5 bits are the UII (EPC) word
length.
UII (EPC code) ARRAY[]
OF WORD 31 words
(62 bytes) All bytes of the EPC code section that exceed
the EPC word length in the StoredPC are
filled with 00 hex.