VBus Protocol 1 - having problems

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Paul Chubb

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Nov 30, 2016, 3:26:18 AM11/30/16

to Resol Vbus

Hi,

I have built the interface shown in the protocol spec. I am successfully seeing packets however some packets don't make much sense. There are unknown addresses, unknown commands and at least one station is using a protocol id of 0x1d.

I think I have done something wrong but can't see it in my code. If the interface was wrong I wouldn't be getting anything sensible.

The controller is a DeltaSol BS/4 on an Apricus Solar Hot water heater. Any suggestions would be gratefully received.

Cheers Paul

Packet trace is:

17:02:23 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 5f 2 19 2 5 7e 7f 1 b 73 7f 2 1 b 71 5f 2 19 2 5 7e 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:24 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:24 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 5c | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 5c 2 19 2 5 1 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:25 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 5c 2 19 2 5 1 7f 1 b 73 7f 2 1 b 71 5c 2 19 2 5 1 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:26 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:27 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 58 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 58 2 19 2 5 5 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:28 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 54 2 19 2 5 9 7f 1 b 73 7f 2 1 b 71 54 2 19 2 5 9 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:28 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:29 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 54 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 54 2 19 2 5 9 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:30 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 54 2 19 2 5 9 7f 1 b 73 7f 2 1 b 71 50 2 19 2 5 d 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:30 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:31 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 50 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 50 2 19 2 5 d 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:32 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 50 2 19 2 5 d 7f 1 b 73 7f 2 1 b 71 50 2 19 2 5 d 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:33 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:33 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 4b | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 4b 2 19 2 5 12 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:34 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 4b 2 19 2 5 12 7f 1 b 73 7f 2 1 b 71 4b 2 19 2 5 12 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:34 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:35 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 47 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 47 2 19 2 5 16 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:36 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 47 2 19 2 5 16 7f 1 b 73 7f 2 1 b 71 47 2 19 2 5 16 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:36 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:37 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 47 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 47 2 19 2 5 16 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:38 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 42 2 19 2 5 1b 7f 1 b 73 7f 2 1 b 71 42 2 19 2 5 1b 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:39 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:39 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 42 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 42 2 19 2 5 1b 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:40 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 42 2 19 2 5 1b 7f 1 b 73 7f 2 1 b 71 3e 2 19 2 5 1f 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:41 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:42 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 3e | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 3e 2 19 2 5 1f 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:43 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 39 2 19 2 5 24 7f 1 b 73 7f 2 1 b 71 39 2 19 2 5 24 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:43 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:44 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 39 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 39 2 19 2 5 24 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:45 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 39 2 19 2 5 24 7f 1 b 73 7f 2 1 b 71 36 2 19 2 5 27 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:45 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:46 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 36 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 36 2 19 2 5 27 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:47 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 36 2 19 2 5 27 7f 1 b 73 7f 2 1 b 71 36 2 19 2 5 27 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:48 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:48 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 32 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 32 2 19 2 5 2b 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:49 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 32 2 19 2 5 2b 7f 1 b 73 7f 2 1 b 71 32 2 19 2 5 2b 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:49 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:50 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 32 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 32 2 19 2 5 2b 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:51 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 2e 2 19 2 5 2f 7f 1 b 73 7f 2 1 b 71 2e 2 19 2 5 2f 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:51 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:52 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 2e | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 2e 2 19 2 5 2f 23 2 38 22 5 7b 64 7f 7b 2 2 1d 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:53 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 64 7f 7f c 11 2 a 73 2e 2 19 2 5 2f 7f 1 b 73 7f 2 1 b 71 2b 2 19 2 5 32 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:54 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:54 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 2b | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 2b 2 19 2 5 32 23 2 38 22 5 7b 7f 7b 2 2 1 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:55 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 7f 7f c 75 2 a 73 2b 2 19 2 5 32 7f 1 b 73 7f 2 1 b 71 2b 2 19 2 5 32 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:55 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:56 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 28 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 28 2 19 2 5 35 23 2 38 22 5 7b 7f 7b 2 2 1 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:57 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 7f 7f c 75 2 a 73 28 2 19 2 5 35 7f 1 b 73 7f 2 1 b 71 28 2 19 2 5 35 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:57 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:02:58 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 25 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 25 2 19 2 5 38 23 2 38 22 5 7b 7f 7b 2 2 1 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:02:59 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 7f 7f c 75 2 a 73 25 2 19 2 5 38 7f 1 b 73 7f 2 1 b 71 25 2 19 2 5 38 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:02:59 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:03:00 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 25 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 25 2 19 2 5 38 23 2 38 22 5 7b 7f 7b 2 2 1 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:03:01 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 7f 7f c 75 2 a 73 23 2 19 2 5 3a 7f 1 b 73 7f 2 1 b 71 23 2 19 2 5 3a 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:03:01 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:03:02 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 23 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 23 2 19 2 5 3a 23 2 38 22 5 7b 7f 7b 2 2 1 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:03:03 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 7f 7f c 75 2 a 73 23 2 19 2 5 3a 7f 1 b 73 7f 2 1 b 71 20 2 19 2 5 3d 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:03:04 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:03:04 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 20 | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 20 2 19 2 5 3d 23 2 38 22 5 7b 7f 7b 2 2 1 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:03:05 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 7f 7f c 75 2 a 73 20 2 19 2 5 3d 7f 1 b 73 7f 2 1 b 71 20 2 19 2 5 3d 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:03:06 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:03:07 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 1f | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 1f 2 19 2 5 3e 23 2 38 22 5 7b 7f 7b 2 2 1 7f 2 7e b 1 7f 7f c 69 44 3 4 34 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:03:08 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 7f 7f c 75 2 a 73 1d 2 19 2 5 40 7f 1 b 73 7f 2 1 b 71 1d 2 19 2 5 40 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:03:08 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:03:09 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 1d | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 1d 2 19 2 5 40 23 2 38 22 5 7b 7f 7b 2 2 1 7f 2 7e b 1 7f 7f c 69 45 3 4 33 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:03:09 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 7f 7f c 75 2 a 73 1d 2 19 2 5 40 7f 1 b 73 7f 2 1 b 71 1d 2 19 2 5 40 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:03:10 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:03:11 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 1d | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 1d 2 19 2 5 40 23 2 38 22 5 7b 7f 7b 2 2 1 7f 2 7e b 1 7f 7f c 69 45 3 4 33 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:03:12 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 7f 7f c 75 2 a 73 1d 2 19 2 5 40 7f 1 b 73 7f 2 1 b 71 1d 2 19 2 5 40 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:03:13 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________
17:03:13 | SYNC | DEST: UNK: 7b10 | SRC: UNK: 1042 | PROT: 1 |CMD: 1809 | LEN: 1c | CRC: 2 | raw:  aa 10 7b 42 10 1 9 18 1c 2 19 2 5 41 23 2 38 22 5 7b 7f 7b 2 2 1 7f 2 7e b 1 7f 7f c 69 45 3 4 33 7f 7f 69 4 12|
_________________________________________________________________________________________________________________________________________________________________
17:03:14 | SYNC | DEST: UNK: 7b15 | SRC: UNK: 1042 | PROT: 1 |CMD: 120a | LEN: 1 | CRC: 8 | raw:  aa 15 7b 42 10 1 a 12 1 8 76 7f 7f c 75 2 a 73 1c 2 19 2 5 41 7f 1 b 73 7f 2 1 b 71 1c 2 19 2 5 41 23 2 38 22 5 7b|
_________________________________________________________________________________________________________________________________________________________________
17:03:14 | SYNC | DEST: UNK: 427b | SRC: UNK: 520 | PROT: 1d |raw:  aa 7b 42 20 5 1d|
_____________________________________________________

Paul Chubb

unread,

Dec 1, 2016, 2:27:44 PM12/1/16

to Resol Vbus

As I'd hoped, the problem was in my code. I was dropping zero bytes. This has the good news that my interface hardware is working and I have it fixed. Now I just need to rewrite my code.

pieter de troyer

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Dec 1, 2016, 5:07:35 PM12/1/16

to Resol Vbus

Hi Paul,

I have the same controller. Would you mind sharing your code?

Kind regards

Pieter

Op donderdag 1 december 2016 20:27:44 UTC+1 schreef Paul Chubb:

Message has been deleted

pieter de troyer

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Dec 4, 2016, 5:13:25 PM12/4/16

to resol...@googlegroups.com

Hi Paul,

Thx! I'll give it a try. Linux is no issue for me. I'll surely consider buying your book. Keep us posted when it's available.

Kind regards,

Pieter

On Dec 3, 2016 23:19, "Paul Chubb" <chu...@gmail.com> wrote:

Hi Pieter,
sorry to take so long to respond. I wanted to get this stage working before replying.

I am working on my third career as a technical author. This code is part of the code to be written for a new book I am writing: Notes from the Field: VBus Water Heater Controllers (or something like that). I am happy to give you access to what is there so far with the following understandings:

1) This code was written for a linux environment. However as far as I can remember, there is only about one line to change however who knows if there will be other problems in a port to Windows or MacOS

2) It is written in commandline php

3) The current code is a vbus sniffer that outputs to the consol in text or into a web page.

4) As with all vbus stuff, you will need an interface to translate the signal from the controller to serial. I used the schematic from the 2009 protocol spec.

5) It is copyright to me but licensed on an extended BSD license that just limits to non-commercial use.

If you or anyone else find this useful, I would appreciate you purchasing the book and leaving a review on Amazon.com. The book will be approximately $US3. Amazon adds a fee after I set the price but it should be within 20c of that.

You can get the code at: http://www.paulchubb.com.au/downloads/vbus.zip

Cheers Paul

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Paul Chubb

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Jan 28, 2017, 2:44:25 AM1/28/17

to Resol Vbus

My book on VBus is now available on Amazon: http://www.amazon.com/dp/B01MSC16R5. It describes the complete journey to getting packets, displaying them and interfacing with the controller. All the software that I developed is included and instructions on how to add support for other controllers. If you are interested it is only $US3.03.

cheers Paul

Tom

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Apr 13, 2017, 5:14:07 AM4/13/17

to Resol Vbus

G'Day Paul,

I am very interested in reading the data from my Delta Sol B/S4 solar hot water controller, which is part of my apricus hot water system. With the help of a friend I have managed to build a circuit board that converts the vbus output from the controller into serial data. However the serial data is encoded and I am unable to read the output.

My end goal is to use an ardiuno board with a wifi chip on it to convert the bus to serial and then decode the serial data and finally be able to view the output, and host a website on my LAN to be able to view the temperatures etc.

I am interesting in your book on Amazon and more than happy to pay the $3 for it. However I am just wondering if your book covers the problems that I face? for example does it contain the code to be able to decode the encoded serial output from the hot water controller?

Look forward to hearing from you.

Cheers, Tom

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