Vhl_Read - Siemens SIMATIC RF1000 Operating Instructions Manual

Programming
7.3 Programming via the RS232 interface (using the Freeport protocol)
Table 7-40
Byte
0
1
2
3
4
5
6
7.3.2.9

vhl_read

Max. reader response time: 3 s
Table 7-41
Byte
0
1
2
3
4
5
6
7
8
9
10
Table 7-42
Byte
0
1
2
3
4
5 ... 12
13
62
Response telegram with errors
Value Description
0x8C Without checksum
0x9C With checksum
0x01 DevCode of the command set containing the command to be called.
0x04 CmdCode of the command to be called.
0x01 Parameter length (e.g. 1 byte)
0x00
0x02 CARD_NOT_SELECTED_ERR
0x9A Optional checksum (when the value "0x9C" is set in byte 0)
Request telegram
Value Description
0x0C Without checksum
0x1C With checksum
0x01 DevCode of the command set containing the command to be called.
0x02 CmdCode of the command to be called.
0x05 Parameter length (e.g. 5 bytes)
0x00
0xFF ID of the VHL function (e.g. 0xFF [factory setting for ISO 15693])
0x00 Address (e.g. 0x37)
0x37
0x00 Length (e.g. 0x08)
0x08
0xXX Optional checksum (when the value "0x1C" is set in byte 0)
Response telegram without errors
Value Description
0x0C Without checksum
0x1C With checksum
0x01 DevCode of the command set containing the command to be called.
0x02 CmdCode of the command to be called.
0x08 Parameter length (e.g. 8 bytes)
0x00
0xCC Read data (e.g. 0xCC)
0xXX Optional checksum (when the value "0x1C" is set in byte 0)
Operating Instructions, 05/2023, C79000-G8976-C432-10
SIMATIC RF1000