ACS ACR31 Swipe Card Reader - Manual (Page 12)

ACR31 – Reference Manual [email protected]
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6.5. SPH_to_RDR_SetSleepTimeout
This command is used to request ACR31 to change the sleep timeout value to the one specified.
Offset Field Size Value Description Encrypted
0 bStartByte 1 23h Message start byte.
No
1 wLength 2 0004h
Number of extra bytes starting
from the next field for this
message.
3 bMessageType 1 6Ch
4 bTimeout 1
Sleep timeout value in seconds.
This value should be in the
range of 4 – 20. Other values
are not allowed.
4 wCheckSum 2
CRC16 checksum for all the
preceding fields.
The response to this message is RDR_to_SPH_ACK.