ACR3901T-W1 – Reference Manual
Version 1.02
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Page 49 of 100
7.1.3.
Get Firmware Version Command
This command gets the firmware version of the reader.
Command Format
Offset
Field
Size
Value
Description
0
abData1
CommandCode
1
04h
Command Code of Get
Firmware Version
1
Len (CommandLength)
1
00h
Number of extra bytes of data
2
Data
0
-
-
Response Format
Offset
Field
Size
Value
Description
0
abData2
ResponseCode
1
84h
Response Code of Get
Firmware Version
1
Len (CommandLength)
1
-
Number of extra bytes of data
1
Data
N
-
Number of bytes of Firmware
Version in the format of “Vx.xx”
Example:
Request = 04 00
Response = 84 08 56 36 2E 30 30 2E 30 30
Firmware Version (HEX) = 56 36 2E 30 30 2E 30 30
Firmware Version (ASCII) = “V6.00.00”