Programming
6.3 Programming via the RS232 interface (using the Freeport protocol)
SIMATIC RF1000
Operating Instructions, 02/2020, C79000-G8976-C432-07
47
6.3.2.5
vhl_select
Max. reader response time: 3 s
Table 6- 29 Request telegram
Byte
Value
Description
0
0x0C
Without checksum
0x1C
With checksum
1
0x01
DevCode of the command set containing the command to be called.
2
0x00
CmdCode of the command to be called.
3
0x04
Parameter length (4 bytes)
4
0x00
5
0xFF
Mask for the card type (e.g. 0xFFFF)
You can find detailed information on the card types in the section "vhl_select
(Page 32)".
6
0xFF
7
0x01
Reselect = 0x01
8
0x00
AllowConfig = 0x00
9
0xXX
Optional checksum (when the value "0x1C" is set in byte 0)
Table 6- 30 Response telegram without errors
Byte
Value
Description
0
0x0C
Without checksum
0x1C
With checksum
1
0x01
DevCode of the command set containing the command to be called.
2
0x00
CmdCode of the command to be called.
3
0x01
Parameter length (1 byte)
4
0x00
5
0x30
Card type (e.g. 0x30)
You can find detailed information on the card types in the section "vhl_select
(Page 32)".
6
0x0D
Optional checksum (when the value "0x1C" is set in byte 0)
Table 6- 31 Response telegram with errors
Byte
Value
Description
0
0x8C
Without checksum
0x9C
With checksum
1
0x01
DevCode of the command set containing the command to be called.
2
0x00
CmdCode of the command to be called.
3
0x01
Parameter length (1 byte)
4
0x00