Snr (Tag-Specified Code) Read (Rd): I.code1 Mode Only - Omron V720S Series Operation Manual

System Command

5-4-4 SNR (Tag-specified Code) Read (RD): I.CODE1 Mode Only

This command read SNR (Tag-specified code) which incorporates I.CODE1 chip. Refer to 2-4 of
Section 2 Memory Map of Tag.
<Command Format>
STX Node No..
1 2
Communications
method
Data type
Tag No. setting
<Response Format>
(1) For Single/FIFO/Multi (except for the response of the completion of communications)
STX Node No..
1 2
(2) For Selective Access (except for the response of the completion of Tag detection)
Node No..
TX
1 2
Response code
Serial No.
5-24
Communica-
Command code
tions method
"RD"
2 2
Specifies the communications
method with a Tag.
ST: Single Trigger
SA: Single Auto
SR: Single Repeat
FT: FIFO Trigger
FR: FIFO Repeat
"H" fixed (HEX code)
For Single/FIFO/Selective Access (Read)
Set the number of Tags "0."
For Multi/Selective Access (Tag detection command)
Set the number of Tags which communicate simultaneously.
* For details, refer to 5-10 Tag No. setting.
Specification range: 1 to 7
Retry Command code Response
"RD" code
flag
"00"
1 2 2
Retry Command code Response
flag "RD" code
"00"
1 2 2
00:normal completion
For other response codes, refer to 5-2-4 Response code List.
Indicates serial number written to a Tag in advance. You cannot rewrite the
number.
Note This command is for I.CODE1 Mode Only. The command is not available in
ISO mode:
Data Tag Fixed value
type No.
"∗∗"
setting
1 1 2
MT: Multi-trigger
MR: Multi-repeat
LT: Selective Access (Tag detection)
□□: Selective Access (Read)
(For □□, the values from 00h to 7Fh
are available.)
UT: Special Read Trigger
UA:: Special Read Auto
UR: Special Read Repeat
For details, refer to 5-8 Communica-
tions Methods.
Serial
No.
16
Temporary Serial
No.
2
Section 5-4
Fixed value ETX BCC
"∗∗"
2 1 1
ETX BCC
1 1
ETX BCC
No.
16 1 1