Siemens SIMATIC RF1000 Series Operating Instructions Manual page 42

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