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Programming
6.3 Programming via the RS232 interface
SIMATIC RF1000
36
Operating Instructions, 02/2019, C79000-G8976-C432-04
Table 6- 26 Response telegram without errors
Byte
Value
Description
0
0x0C
Without checksum
0x1C
With checksum
1
0x01
DevCode
2
0x00
CmdCode
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 23)".
6
0xXX
Optional checksum "BCC8" (when the value "0x1C" is set in byte 0)
Table 6- 27 Response telegram with errors
Byte
Value
Description
0
0x8C
Without checksum
0x9C
With checksum
1
0x01
DevCode
2
0x00
CmdCode
3
0x01
Parameter length (1 byte)
4
0x00
5
0x01
Status e.g. 0x01 ("NOTAG_ERR")
Possible status codes:
•
NOTAG_ERR
•
HF_ERR
•
HW_ERR
•
CONFCARD_READ
6
0xXX
Optional checksum "BCC8" (when the value "0x19" is set in byte 0)
6.3.2.6
vhl_get_snr
Max. reader response time: 100 ms
Table 6- 28 Request telegram
Byte
Value
Description
0
0x0C
Without checksum
0x1C
With checksum
1
0x01
DevCode
2
0x01
CmdCode
3 ... 4
0x00
Parameter length (0 bytes)
5
0xXX
Optional checksum "BCC8" (when the value "0x1C" is set in byte 0)