Get The Firmware Version Of The Reader - ACS ACR122U Manual

6.3.

Get the Firmware Version of the Reader

This is used to retrieve the firmware version of the reader.
Command Format (5 Bytes)
Command
Get Firmware Version
Response Format (10 Bytes)
Response
Result
E.g. Response = 41 43 52 31 32 32 55 32 30 31h (Hex) = ACR122U201 (ASCII)
ACR122U – Application Programming Interface
Version 2.02
Class INS P1
0xFFh 0x00h 0x48h
Data Out
Firmware Version
P2 Le
0x00h 0x00h
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