Programming
6.3 Programming via the RS232 interface (using the Freeport protocol)
SIMATIC RF1000
44
Operating Instructions, 02/2020, C79000-G8976-C432-07
6.3.2.2
syscmd_get_info
Max. reader response time: 50 ms
Table 6- 23 Request telegram
Byte
Value
Description
0
0x0C
Without checksum
0x1C
With checksum
1
0x00
DevCode of the command set containing the command to be called.
2
0x04
CmdCode of the command to be called.
3 ... 4
0x00
Parameter length (0 bytes)
5
0xC5
Optional checksum (when the value "0x1C" is set in byte 0)
Table 6- 24 Response telegram without errors
Byte
Value
Description
0
0x0C
Without checksum
0x1C
With checksum
1
0x00
DevCode of the command set containing the command to be called.
2
0x04
CmdCode of the command to be called.
3
0x29
Parameter length (e.g. 41 bytes)
4
0x00
5 ... 45 0x01 ... Firmware version of the reader, date of manufacture as ASCII value
Example:
1100 IDE Z 1.02.00 09/18/18 43025112
46
0xXX
Optional checksum (when the value "0x1C" is set in byte 0)