Polling Single Auto Read (Pr) - Omron V720S Series Operation Manual

Communications Command

5-3-5 Polling Single Auto Read (PR)

Immediately after receiving the Polling Single Auto Read Command, the Reader/Writer returns a re-
sponse indicating the acceptance of the command, and waits for a Tag to enter the communications
area of the Antenna. Then it reads the data of the entering Tag. The host can inquire of the
Reader/Writer about the results of communications processing using the Polling Check (PC) com-
mand.
<Command Format>
STX Node No.. Command code
1 2
Data type
Tag
In ISO mode
type
In I.CODE1
*
mode
First read page
No. of read pages
* Tag Type Setting is valid in the operating mode setting range of Reader/Writer.
<Response Format>
STX Node No..
1 2
Response code
5-16
Data Tag First read
type type
"PR"
2 1 1
Specifies whether the read data is represented in ASCII or HEX.
A : ASCII code
H : HEX code
*For details, refer to 5-9 Data Type
Specify the Tag type.
A: I.CODE2 chip
Not added
Specifies the first page in hexadecimal to read data from the Tags.
Specification range: 00 to FFh
be from 00 to 1Bh)
Specification range: FB to 0Ah
* For details, refer to 2-4 Memory Map of Tag.
Specifies the number of the pages in hexadecimal to read data from the
Tags.
Specification range: 01 to FFh
be from 01 to 1Ch)
Specification range: 01 to 10h
Retry Command code Response
"PR" code
flag
"74"
1 2 2
74: Command acceptance
For other response codes, refer to 5-2-4 Response code List.
No. of read ETX
page pages
2 2 1
(In ISO mode: I.CODE2 chip should
(In I.CODE1 mode)
(In ISO mode: I.CODE2 chip should
(In I.CODE1 mode)
ETX BCC
1 1
Section 5-3
BCC
1