Tagsys S.A. MEDIOP101WIFI 用户手册
Stand-alone
Mode
February 2006
Revision 1.0
33/42
6.1.1 Customized ASCII Message Format
When a tag is read, its data are transmitted to the host in the form of an ASCII character frame.
Table 4: Customized ASCII Message Format (TAGSYS RFID Tag is read)
Start of Text
Head
er
String
Chip
Des
c
ription
String
ID
End of
Messa
ge
String
End of Tex
t
Description
<STX>
(0x02)
“TAGSYS-“
(Default)
Chip name
<CR/LF>
(Default)
<ETX>
(0x03)
C210
2 to 16 characters
C240
2 to 16 characters
C220
2 to 10 characters
C270
2 to 16 characters
C320
2 to 16 characters
C370 (ISO
15693)
2 to 16 characters
ePC
2 to 24 characters
Size
1
ch
ar
ac
te
r
0 to 16
ch
ar
ac
te
rs
0 to 16
ch
ar
ac
te
rs
UID
2 to 10 characters
0 to 16
ch
ar
ac
te
rs
1
ch
ar
ac
te
r
TR-P101
Optional
Optional
Optional Required Optional
Optional
Medio P101-WIFI reader can decode all chips in Stand-alone mode. Only the ID field is retrieved in
the return ASCII message. All other fields are optional. The ID field length is programmable; the
default lengths are given in
the return ASCII message. All other fields are optional. The ID field length is programmable; the
default lengths are given in
Table 5
.
Table 5: Default ID Field Lengths
Chip Type
Default ID Field Length
C210 chip
16 (Total memory)
C240 chip
16 (Block 0 Page 0)
C220 chip
10 (Lockable memory)
C270 chip
16 (Block 0 and Block 1)
C320 chip
16 (Block 0)
C370 chip (ISO 15693)
16 (UID)
ePC
24 (Block 0 to 11)
UID
10 (UID block 14 to 18)
6.1.2 Repetition Option
The reader constantly attempts to read any chips present in the field. When a chip ID is detected,
the reader can send the information to the host in one of 2 modes:
the reader can send the information to the host in one of 2 modes:
1. In “Repeated Read” mode, the reader returns a chip’s ID to the host with each successful
read operation.