Configuration parameters (CFG)
5.1 CFG0: Passwords
RF290R
22
Configuration Manual, 09/2014, C79000-G8976-C377-01
1)
For further information, refer to the section "[0x83] Set Default Configuration (Reset)
(Page 45)"
Note
Please note the following:
•
If parameters are configured outside their permitted range or if unspecified parameters
are changed, malfunctions may result.
•
During a firmware update, the EEPROM is reset to the default values.
5.1
CFG0: Passwords
The parameters of the CFG0 configuration block contain identification codes to personalize
the reader. With this, you can prevent unauthorized access to several functions of the
reader. For security reasons, the data of this configuration block cannot be read by the host.
You only have write access. The "[0x83] Set Default Configuration" command is also not
available here.
Byte
0
1
2
3
4
5
6
Content
READER-ID
0x00
0x00
0x00
Default
0x00000000
-
-
-
Byte
7
8
9
10
11
12
13
Content
0x00
CFG_ACCESS
0x00
0x00
Default
-
0x00000000
-
-
Name
Description
READER-
ID
Defines the password with which the host logs in to the reader to obtain read/write access to the configuration
parameter blocks.
To change the READER ID, you need to write to CFG0 with the "[0xA0] Reader Login" command immediately
after logging in to the reader.
Notes:
•
READER-ID = 0x00000000 deactivates the password function.
•
A read operation with the command "[0x80] Read Configuration" always results in ‘0x00000000’.
•
A changed password becomes valid when the reader is reset.
•
The commands "[0x82] Save Configuration to EEPROM" and "[0x83] Set Default Configuration" do not
change the CFG0 register, if all configuration blocks are used.
•
The "[0xA0] Reader Login" command allows access to the configuration data.
CFG_-
ACCESS
Defines the configuration blocks that are only accessible if the user has logged in successfully to the reader
Byte
8
9
Bit
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
CFG_NO
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15
