Multiaccess Communications Commands - Omron V780-Series User Manual

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Multiaccess Communications Commands

MULTIACCESS ID READ
Function
This command specifies reading the IDs (i.e., the ECP codes) of the RF Tags in the communications
range.
* It can also be used when the communications mode is Repeat.
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)
UHF RFID System V780-series Reader/Writer User's Manual (EtherNet/IP
Data type Size
WORD 2 bytes 0203 hex
WORD 2 bytes 0000 hex (Not used.)
WORD 2 bytes 0000 hex (Not used.)
WORD 2 bytes 0000 hex (Not used.)
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.
Data type Size
WORD 2 bytes Error code
WORD 2 bytes R/W no. of the Reader/Writer communicating
with the RF Tag
0000 to 0007 hex
WORD 2 bytes Communications diagnostics result
When communications diagnostics is
enabled: Set the communications diagnostics
result
When communications diagnostics is dis-
abled: 0000 hex (fixed)
For details, refer to GET COMMUNICATIONS
DIAGNOSTIC INFORMATION on page 7-70.
WORD 2 bytes Reception level
FFFF to FF9D hex (-1 to -99 [dBm])
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.
WORD 2 bytes Expresses the StoredPC in 2-digit hexadecimal.
The upper 5 bits are the UII (EPC) word
length.
ARRAY[] 0 to 31 Stores the tag-specific information according
words to Gen2 standards.
OF WORD
TM
) (Z402)
7 Ethernet/IP Communications
Function
Function
7
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