ACS ACR31 Swipe Card Reader - Manual (Page 13)

ACR31 – Reference Manual [email protected]
Version 1.00
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6.6. RDR_to_SPH_GetStatus
This message is sent by ACR31 in response to the command message SPH_to_RDR_GetStatus.
Offset Field Size Value Description Encrypted
0 bStartByte 1 23h Message start byte.
No
1 wLength 2 0006h
Number of extra bytes starting
from the next field for this
message.
3 bMessageType 1 80h
4 bBatteryLevel 1
00h – Battery Level ≥ 3.0V
01h – 2.9 ≤ Battery Level < 3.0 V
02h – 2.8 ≤ Battery Level < 2.9 V
03h – 2.7 ≤ Battery Level < 2.8 V
04h – 2.6 ≤ Battery Level < 2.7 V
05h – 2.5 ≤ Battery Level < 2.6 V
06h – 2.4 ≤ Battery Level < 2.5 V
07h – 2.3 ≤ Battery Level < 2.4 V
08h – Battery Level < 2.3 V
5 bSleepTimeout 1
Active sleep timeout value used
in the reader.
6 bRFU 1 00h Reserve for future use.
7 wCheckSum 2
CRC16 checksum for all the
preceding fields.