Programming
6.3 Programming via the RS232 interface
SIMATIC RF1000
38
Operating Instructions, 02/2019, C79000-G8976-C432-04
Table 6- 32 Response telegram without errors
Byte
Value
Description
0
0x0C
Without checksum
0x1C
With checksum
1
0x01
DevCode
2
0x04
CmdCode
3 ... 4
0x00
Parameter length (0 bytes)
5
0xXX
Optional checksum "BCC8" (when the value "0x1C" is set in byte 0)
Table 6- 33 Response telegram with errors
Byte
Value
Description
0
0x8C
Without checksum
0x9C
With checksum
1
0x01
DevCode
2
0x04
CmdCode
3
0x01
Parameter length (e.g. 1 byte)
4
0x00
5
0x02
CARD_NOT_SELECTED_ERR
6
0xXX
Optional checksum "BCC8" (when the value "0x19" is set in byte 0)
6.3.2.8
vhl_read
Max. reader response time: 3 s
Table 6- 34 Request telegram
Byte
Value
Description
0
0x0C
Without checksum
0x1C
With checksum
1
0x01
DevCode
2
0x02
CmdCode
3
0x05
Parameter length (e.g. 5 bytes)
4
0x00
5
0x01
VHL file (e.g. 0x01)
6
0x00
Address (e.g. 0x37)
7
0x37
8
0x00
Length (e.g. 0x08)
9
0x08
10
0xXX
Optional checksum "BCC8" (when the value "0x1C" is set in byte 0)