RFID Communications
Example
Writes four bytes of data to the tag starting at address 0000H. A timeout of 2 seconds (07D0H = 2000 x 1 msec increments) is set for the completion of the Block Write All. Family ID is set to 00H so all
Command from Host
Field | Content |
Header | 0202H |
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|
Command Size | 000DH |
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Command Code | 86H |
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Family ID | 00H |
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Reserved | 00H |
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Start Address | 0000H |
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Number of Bytes | 0004H |
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Timeout, 2 seconds | 07D0H |
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|
Data to Write to Address 0000H | 52H |
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Data to Write to Address 0001H | 46H |
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Data to Write to Address 0002H | 49H |
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Data to Write to Address 0003H | 44H |
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Checksum | 68H |
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Terminator | 03H |
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Response from Controller
Field | Content |
Header | 0202H |
|
|
Response Size | 0003H |
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Command Echo | 86H |
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Number of Tags | 05H |
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Status Byte | 08H |
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Checksum | 69H |
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Terminator | 03H |
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6.5.15 ABxF Command 87H: Read Tag SN All
DESCRIPTION
Command 87H retrieves the
DISCUSSION
Each
Field | Content |
Header | 0202H |
|
|
Command Size | Packet length in bytes excluding the header, command size, checksum, and terminator bytes. |
| 0005H for this command |
|
|
Command | 87H |
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Family ID | Tag Family ID - 00H = all tags |
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Reserved | Ignored byte, set to 00H |
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Timeout | timeout value in 1 ms increments (1EH - FFFEH) |
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Checksum | Optional checksum |
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Terminator | 03H |
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LRP2000 Passive Reader/Writer | 110 |