RFID Communications
Example
This example locks blocks
Command from Host
Field | Content |
Header | 0202H |
|
|
Command Size | 0007H |
|
|
Command Code | 91H |
|
|
Family ID | 02H |
|
|
Reserved | 00H |
|
|
Timeout | 07D0H |
|
|
First block | 00H |
|
|
Number of blocks | 03H |
|
|
Checksum | 91H |
|
|
Terminator | 03H |
|
|
Response from Controller
Field | Content |
Header | 0202H |
|
|
Response Size | 0003H |
|
|
Command Echo | 91H |
|
|
Number of Tags | 02H |
|
|
Status Byte | 08H |
|
|
Checksum | 64H |
|
|
Terminator | 03H |
|
|
6.5.19 ABxF Command 8BH: Write Family Code All
DESCRIPTION
Command 8BH can be used to write the family code of all tags in the field. It can also be used to selectively rewrite the family codes of tags with family codes already set to a particular value.
Field | Content |
Header | 0202H |
|
|
Command Size | Command length in bytes excluding the header, command size, checksum, and terminator bytes. |
| 06H for this command. |
|
|
Command | 8BH |
|
|
Current Family Code | Tag Family ID - 00H = all tags used to select which tags are addressed |
|
|
Reserved | Ignored byte, set to 00H |
|
|
Timeout | Timeout value given in 1 ms units |
|
|
New Family Code | Value that is written to the family codes of all the addressed tags |
|
|
Checksum | Optional checksum |
|
|
Message Terminator | 03H |
|
|
115 | LRP2000 Passive Reader/Writer |