^RI — RFID Tag ID
Plain English
Reads the unique Tag ID (TID) from the RFID chip. The TID is factory-programmed and cannot be changed — it uniquely identifies the chip itself.
When to use
For tag authentication — verify the chip is genuine by reading its factory-set TID.
Syntax
^RIa
Parameters
| Parameter | Description |
|---|---|
a | Format: H (hex), A (ASCII) |
Example
^XA ^RIH ^XZ
Read the RFID tag's unique TID in hex