ACR1255U-J1 – Reference Manual
Version V1.01
www.acs.com.hk
Page 53 of 73
6.6.1.
Get Firmware Version
This command is used for getting the reader’s firmware message.
Get Firmware Version Format (5 bytes)
Command
Class
INS
P1
P2
Lc
Get Firmware Version
E0h
00h
00h
18h
00h
Get Firmware Version Response Format (5 bytes + Firmware Message Length)
Response
Class
INS
P1
P2
Le
Data Out
Result
E1h
00h
00h
00h
Number of bytes to receive
Firmware Version
Example:
Response = E1 00 00 00 14 41 43 52 31 32 35 35 55 2D 4A 31 20 53 57 56 20 31 2E 30 35
Firmware Version (HEX) = 41 43 52 31 32 35 35 55 2D 4A 31 20 53 57 56 20 31 2E 30 35
Firmware Version (ASCII) = “ACR1255U-J1 SWV 1.05”