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ebus:serviceb512
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B5h 12h - Unknown Command
Date/Time:
| Master/ Slave Byte-No. | Abbrev. | Description | Unit | Range | Type/ [Res.] | Repl. Value | Note |
| M1 | | Source address | | | | | |
| M2 | ZZ | Target address | | | | | |
| M3 | PB = B5h | Vaillant command | | | | | |
| M4 | SB = 12h | Unknown command [ping ?] | | | | | |
| M5 | NN = 02h | Length of data | | | | | |
| M6 | xx | ? | | | | | |
| M7 | yy | ? | | | | | |
| M8 | CRC | | | | | | |
| S1 | ACK | | | | | | |
| S2 | NN = 00h | Length of data | | | | | |
| S3 | CRC | | | | | | |
| M9 | ACK | | | | | | |
| M10 | SYN | | | | | | |
The following cases were observed:
Heater Controller (Master 10h) → Firing Automat 1 (Slave 08h):
(xx = 00h, yy = 00h) hot water circulating pump is off
(xx = 00h, yy = 64h) hot water circulating pump is on
Firing Automat 1 (Master 03h) → Pump 1 (Slave 64h):
(xx = 02h, yy = 00h) internal pump is off
(xx = 02h, yy = 64h) internal pump is on and operating in the service water circuit
(xx = 02h, yy = FEh) internal pump is on and operating in the heating circuit
(xx = 03h, yy = 00h) internal pump is disabled due to error condition (such as water pressure too low)
Firing Automat 1 (Master 03h) → PC/ Modem (Slave 05h):
(xx = 03h, yy = 00h)
ebus/serviceb512.1444852253.txt.gz · Zuletzt geändert: 2015/10/14 19:50 von admin
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