Programming
6.3 Programming via the RS232 interface
SIMATIC RF1000
42
Operating Instructions, 02/2019, C79000-G8976-C432-04
Table 6- 43 Response telegram without errors
Byte
Value
Description
0
0x0C
Without checksum
0x1C
With checksum
1
0x05
DevCode
2
0x01
CmdCode
3
0x07
Parameter length (7 bytes)
4
0x00
5
0x00
Message type
6
0x05
Message length (e.g. 0x05)
7 ... 11 0x11
Data from the user memory (e.g. 0x11)
12
0xXX
Optional checksum "BCC8" (when the value "0x1C" is set in byte 0)
Table 6- 44 Response telegram with errors
Byte
Value
Description
0
0x8C
Without checksum
0x9C
With checksum
1
0x05
DevCode
2
0x01
CmdCode
3
0x01
Parameter length (1 byte)
4
0x00
5
0x01
Status e.g. 0x01 ("BRP_ERR_STATUS")
Possible status codes:
•
ERR_NOMESSAGE
•
ERR_AR_DISABLED
•
BRP_ERR_STATUS
6
0xXX
Optional checksum "BCC8" (when the value "0x9C" is set in byte 0)