User's Manual

V740 RFID READER/WRITER, ANTENNA 2005-07, REV.01
OPERATION MANUAL
28 of 45 ©OMRON CORPORATION 2005
Table 2: Table Schema - Tag Read
Keyword Entry Table Arguments Range
Example
Value
Comments
id tag_id Hex String - 0xFEDCBA0
987654321
Requests the id tag
data (tag id) of the tag
antenna_id tag_id Int - 2
Requests the antenna
id used to read the
tag
protocol_id tag_id Int - 9 ( EPC0),
1 (EPC1/1B)
Requests the protocol
id of the tag
read_count
(*1)
tag_id Int - 1
Requests the number
of times a tag ID was
read
SELECT
timestamp tag_id String - 1101973245.
003590
Requests the time M4
read data from the
tag.
To get the correct
time, you need to
adjust the clock by
setting NTP server.
FROM tag_id - - - -
The name of the
internal tag data
table(fixed)
antenna_id tag_id Int [1...4] 1
Specifies the antenna
used to read a tag
protocol_id tag_id String 'EPC1' or
'EPC0'
'EPC1'
Specifies the protocol
used to read a tag.
Must be uppercase.
read_count tag_id Int 1 and over 2
Specifies the number
of times a tag was
read
WHERE
id tag_id Hex String - 0xFEDCBA0
987654321
Specifies the tag id to
be read.
SET time_out tag_id Int [1...65535] 500
Specifies the amount
of time the SELECT
command will read
tags in milliseconds.
Note(*1): If you specify 'read_count' on 'EPC1' protocol, the reader returns '1' due to the search algorithm.