Beispiele und Kommunikations-Logs
Command 0x21
Parking heater on. One byte data for length of heating in minutes
TX f4 03 21 3b ed RX 4f 03 a1 3b d6
In some cases, this sort of NAK occurrs: RX 4F 04 7F 21 33 26
Start/Stop mit 1533:
0 13:19:22.578: 00 ;Break 13:19:22.640: 34 03 21 1E 08 ;Uhr > HZ 0x21 [EIN] 0x1E [30min] 13:19:22.921: 00 ;Break 13:19:22.968: 44 03 C4 00 83 ;HZ > HZ 0xC4 [Check]_ok 13:19:23.078: 34 03 21 1E 08 ;Uhr > HZ 0x21 [EIN] 0x1E [30min] 13:19:23.109: 43 03 A1 1E FF ;HZ > Uhr 0xA1 [EIN]_ok 0x1E [30min] 13:19:23.343: 44 03 C4 00 83 ;HZ > HZ +8 13:19:31.765: 34 03 21 1E 08 ;Uhr > HZ 0x21 [EIN] 0x1E [30min] 13:19:31.796: 43 03 A1 1E FF ;HZ > Uhr 0xA1 [EIN]_ok 0x1E [30min] +5 13:19:36.843: 34 04 44 21 00 55 ;Uhr > HZ 0x44 [Check] CMD_0x21 [EIN] 13:19:36.890: 43 03 C4 00 84 ;HZ > Uhr 0xC4 [Check]_ok +16 13:19:52.062: 34 04 44 21 00 55 ;Uhr > HZ 13:19:52.125: 43 03 C4 00 84 ;HZ > Uhr 0xC4 [Check]_ok +15 13:20:07.312: 34 04 44 21 00 55 ;Uhr > HZ 13:20:07.343: 43 03 C4 00 84 ;HZ > Uhr 0xC4 [Check]_ok +15 13:20:22.546: 34 04 44 21 00 55 ;Uhr > HZ 13:20:22.593: 43 03 C4 00 84 ;HZ > Uhr 0xC4 [Check]_ok +15 13:20:37.781: 34 04 44 21 00 55 ;Uhr > HZ 13:20:37.828: 43 03 C4 00 84 ;HZ > Uhr 0xC4 [Check]_ok +16 13:20:53.015: 34 04 44 21 00 55 ;Uhr > HZ 13:20:53.046: 43 03 C4 00 84 ;HZ > Uhr 0xC4 [Check]_ok ** ausgeschaltet** +7 13:21:00.500: 34 02 10 26 ;Uhr > HZ 0x10 [OFF] 13:21:00.531: 43 02 90 D1 ;HZ > Uhr 0x90 [OFF]_ok 13:21:00.812: 44 02 90 D6 ;HZ > HZ 0x90 [OFF]_ok 13:21:01.203: 44 02 90 D6 ;HZ > HZ 0x90 [OFF]_ok
Timer an einer Standheizung:
Bus is silent. Engine off. Clock online, fire-button pushed: "CL" stands for Webasto Clock (or remote call) "HT" stands for Webasto Heater (ThermoTop V) CL: 34 03 21 1E 08 CL: 34 03 21 1E 08 CL: 34 03 21 1E 08 CL: 34 03 21 1E 08 CL: 34 03 21 1E 08 CL: 34 04 44 21 00 55 CL: 34 04 44 21 00 55 CL: 34 04 44 21 00 55 CL: 34 04 44 21 00 55 CL: 34 04 44 21 00 55 CL: 34 02 10 26 CL: 34 02 10 26 CL: 34 02 10 26 CL: 34 02 10 26 CL: 34 02 10 26 CL: 34 02 10 26 CL: 34 03 21 1E 08 CL: 34 03 21 1E 08 CL: 34 03 21 1E 08 CL: 34 03 21 1E 08 CL: 34 03 21 1E 08 CL: 34 04 44 21 00 55 CL: 34 04 44 21 00 55 CL: 34 04 44 21 00 55 340444210055 340444210055 34021026 34021026 34021026 34021026 34021026 34021026 3403211E08 3403211E08 3403211E08 3403211E08 3403211E08 34021026 34021026 34021026 34021026 34021026 3403211E08 3403211E08 3403211E08 3403211E08 3403211E08 34021026 34021026 34021026 34021026 34021026 3403211E08 3403211E08 3403211E08 3403211E08 3403211E08 34021026 34021026 34021026 34021026 34021026 0000 CL: 34 03 21 1E 08 HT: 43 03 A1 1E FF CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 F8 80 80 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Timer 1533 (SH On/Off):
BREAK : 00 Timer ON (30min): 34 03 21 1E 08 Antwort von SH : 43 03 A1 1E FF Timer OFF : 34 02 10 26 Antwort von SH : 43 02 90 D1 ON Keepalive : 34 04 44 21 00 55 Antwort von SH : 43 03 C4 00 84 Kommunikation: 1) SH ON -------- 00 34 03 21 1E 08 43 03 A1 1E FF 34 04 44 21 00 55 43 03 C4 00 84 34 04 44 21 00 55 43 03 C4 00 84 34 04 44 21 00 55 43 03 C4 00 84 34 04 44 21 00 55 43 03 C4 00 84 2) SH OFF --------- 34 02 10 26 43 02 90 D1
------------------------------------ CL: 34 03 21 1E 08 HEADER byte '34': '3' = Sender address '4' = Receiver address LENGTH byte '03': Number of payload bytes following this length byte (total frame - 2) COMMAND byte '21': Parking heater on DATA byte '1E': Related to COMMAND byte, the number of minutes to keep heater on (0x1E = 30) CHECKSUM byte '08': XOR sum of all bytes in frame (34 xor 03 xor 21 xor 1e = 08) ----- CL: 34 04 44 21 00 55 COMMAND byte '44': "keep alive" to tell heater we are serious about starting it ;-) DATA bytes '21': related to command. Its a reflection of the originate command issued DATA byte '00': Padding(?) byte CHECKSUM byte '55': ----- CL: 34 02 10 26 COMMAND byte '10': shutdown heater ----- 00 ----- 00 ----- CL: 34 03 21 1E 08 HT: 43 03 A1 1E FF Command 'A1' is originate '21' with Bit-7 set (means answer to command), followed by '1E' (number of mins) Is some kind of acknowledge from the heater. ----- CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 Keep-alive reflected from heater. ----- CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 CL: 34 04 44 21 00 55 HT: 43 03 C4 00 84 Usually go on forever until time is up, or heater shut down. ------------------- Read device-name (Command 0x51, Index 0x0B): PC: 00 (wait 50ms) 00 (wait 50ms) PC: F4 03 51 0B AD HT: 4F .. .. .. ..