ACR1255U-J1 – Reference Manual
Version V1.01
www.acs.com.hk
Page 55 of 73
6.6.3.
LED Control (in USB Mode only)
This command is used for controlling the LED’s output.
LED Control Format (6 bytes)
Command
Class
INS
P1
P2
Lc
Data In
LED Control
E0h
00h
00h
29h
01h
LED Status
LED Control Response Format (6 bytes)
Response
Class
INS
P1
P2
Le
Data Out
Result
E1h
00h
00h
00h
01h
LED Status
LED Status (1 byte)
LED Status
LED
COLOR
Description
Bit 0
1
GREEN
1 = ON; 0 = OFF
Bit 1
1
RED
1 = ON; 0 = OFF
Bit 2
2
BLUE
1 = ON; 0 = OFF
Bit 3
2
RED
1 = ON; 0 = OFF
Bit 4 - 7
RFU
RFU