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Protocols for controlling the reader
With the aid of the protocols for controlling the reader, this can be adapted to individual
conditions of various applications within a wide framework.
You can only access the configuration parameters after executing the "[0xA0] Reader-Login
(Page 59)" command with the correct READER-ID.
Since your data needs to be protected from unauthorized access, the reader is equipped
with the following protection mechanism:
● Configuration protection:
Access to the configuration data stored in the EEPROM of the reader is locked.
7.1
[0x52] Baud Rate Detection
This protocol is used to determine the baud rate set for the asynchronous interface of the
reader.
Table 7- 1
Host → reader
Byte
1
Content
STX
Default
0x02
Table 7- 2
Reader → host
Byte
1
Content
STX
Default
0x02
Note
Response protocol
The response protocol is sent only when the query is made with the baud rate and correct
parity of the reader.
RF290R
Configuration Manual, 09/2014, C79000-G8976-C377-01
2
3
MSB
LSB
ALENGTH
ALENGTH
-
-
2
3
MSB
LSB
ALENGTH
ALENGTH
-
-
4
5
COM-ADR
[0x52]
-
-
4
5
COM-ADR
[0x52]
-
-
7
6
7, 8
0x00
CRC16
-
-
6
7, 8
0x00
CRC16
-
-
47
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