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 = 11h | Operational Data | |||||
M5 | NN = 01h | Length of data | |||||
M6 | 01h | Block number | |||||
M7 | CRC | ||||||
S1 | ACK | ||||||
S2 | NN = 09h | Length of data | |||||
S3 | VT | Lead water temperature (Vorlauf-/ Anlagentemperatur) | °C | 0 – 100 | DATA1c | ||
S4 | NT | Return water temperature (Nachlauftemperatur) | °C | 0 – 100 | DATA1c | ||
S5 | TA_L | Outside temperature | °C | -50,0 – 50,0 | DATA2b [1/256] | ||
S6 | TA_H | ||||||
S7 | WT | (WW-Auslauftemperatur) | °C | 0 – 100 | DATA1c | ||
S8 | ST | Service water temperature (WW-Speichertemperatur) | °C | 0 – 100 | DATA1c | ||
S9 | vv | Bit 0: Heating Bit 1: Service Water | BIT | 0 = OFF 1 = ON |
|||
S10 | xx1 | unknown, always 00h | |||||
S11 | xx2 | unknown, always FFh | |||||
S12 | CRC | ||||||
M8 | ACK | ||||||
M9 | SYN |
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 = 11h | Operational Data | |||||
M5 | NN = 01h | Length of data | |||||
M6 | 02h | Block number | |||||
M7 | CRC | ||||||
S1 | ACK | ||||||
S2 | NN = 05h | Length of data | |||||
S3 | xx1 | unknown, always 03h | |||||
S4 | xx2 | unknown, always 3Ch | |||||
S5 | xx3 | unknown, always 96h | |||||
S6 | xx4 | unknown, always 46h | |||||
S7 | ST | Service water target temperature | °C | 0 – 100 | DATA1c | ||
S8 | CRC | ||||||
M8 | ACK | ||||||
M9 | SYN |