V740 RFID READER/WRITER, ANTENNA
2005-09, REV0.1
OPERATION MANUAL
35 of 56
©OMRON CORPORATION 2005
Table 2:
Reader Internal Tag Data Table Schema -Tag Read
Keyword
Entry
Table
Arguments
Range
Example
Value
Comments
id tag_id
Hex
String
- 0xFEDCBA0
987654321
Requests the id (tag
data) of the tag
antenna_id tag_id Int
- 2
Requests the antenna
id used to read the
tag
protocol_id tag_id Int
- 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'
'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.