ACR3901T-W1 – Reference Manual
Version 1.02
www.acs.com.hk
Page 51 of 100
7.1.5.
Sleep Mode Option
This command sets the time interval of the device before it enters sleep mode. By default, the reader
will enter to sleep mode if it is idle for 60 seconds.
Command Format
Offset
Field
Size
Value
Description
0
abData1
CommandCode
1
0Dh
Command Code of Sleep
Mode Option
1
Len (CommandLength)
1
01h
Number of extra bytes of data
2
Data
1
-
00h = 60 seconds (Default)
01h = 90 seconds
02h = 120 seconds
03h = 180 seconds
04h = Disable
Response Format
Offset
Field
Size
Value
Description
0
abData2
ResponseCode
1
8Dh
Response Code of Sleep
Mode Option
1
Len (CommandLength)
1
01h
Number of extra bytes of data
2
Data
1
-
00h = Success
01h = Fail
Example:
Request to set 90s = 0D 01
01
Response = 8D 01 00