Autoread_Getmessage - Siemens SIMATIC RF1000 Operating Instructions Manual

Programming
6.3 Programming via the RS232 interface (using the Freeport protocol)
6.3.2.11

Autoread_GetMessage

Max. reader response time: 100 ms
Table 6- 46
Byte
0
1
2
3 ... 4
5
Table 6- 47
Byte
0
1
2
3
4
5
6
7 ... 11
12
Table 6- 48
Byte
0
1
2
3
4
5
6
54
Request telegram
Value Description
0x0C Without checksum
0x1C With checksum
0x05 DevCode of the command set containing the command to be called.
0x01 CmdCode of the command to be called.
0x00 Parameter length (0 bytes)
0x4D Optional checksum "BCC8" (when the value "0x1C" is set in byte 0)
Response telegram without errors
Value Description
0x0C Without checksum
0x1C With checksum
0x05 DevCode of the command set containing the command to be called.
0x01 CmdCode of the command to be called.
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 (when the value "0x1C" is set in byte 0)
Response telegram with errors
Value Description
0x8C Without checksum
0x9C With checksum
0x05 DevCode of the command set containing the command to be called.
0x01 CmdCode of the command to be called.
0x01 Parameter length (1 byte)
0x00
0x01 Status
Possible status codes:
0x01: NO_MESSAGE_ERR
•
0x10: AR_DISABLED_ERR
•
0xDC Optional checksum (when the value "0x9C" is set in byte 0)
Operating Instructions, 02/2020, C79000-G8976-C432-07
SIMATIC RF1000