Protocols for controlling the reader
7.11 [0x85] Set System Timer
RF290R
Configuration Manual, 09/2014, C79000-G8976-C377-01
57
7.11
[0x85] Set System Timer
The "Set System Timer" command sets the internal system time of the CPU. The internal
system time is saved in every data set following select, read or write commands to a
transponder.
Table 7- 23
Host → reader
Byte
1
2
3
4
5
6 ... 9
10, 11
Content
STX
MSB
ALENGTH
LSB
ALENGTH
COM-ADR
[0x85]
TIMER
CRC16
Default
0x02
-
-
-
-
-
-
Table 7- 24
Reader → host
Byte
1
2
3
4
5
6
7, 8
Content
STX
MSB
ALENGTH
LSB
ALENGTH
COM-ADR
[0x85]
STATUS
1)
CRC16
Default
0x02
-
-
-
-
-
-
1)
You will find further information in the Appendix (Page 103).
Name
Description
TIMER
Byte
6
7
8, 9
TIME
h
min
ms
Value
0 ... 23
0 ... 59
0 ... 59999
Note
Internal system time
The internal system time is not a real-time clock (RTC) and the accuracy cannot be
guaranteed.
7.12
[0x86] Get System Timer
The "Get System Timer" command reads the internal system time of the CPU.
Table 7- 25 Host
→ reader
Byte
1
2
3
4
5
6, 7
Content
STX
MSB ALENGTH LSB ALENGTH
COM-ADR
[0x86]
CRC16
Default
0x02
-
-
-
-
-