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Date/Time:
Master/ Slave Byte-No. | Abbrev. | Description | Unit | Range | Type/ [Res.] | Repl. Value | Note |
M1 | | Source address | | | | | |
M2 | ZZ = FEh | Target address | | | | | Broadcast |
M3 | PB = B5h | Vaillant command | | | | | |
M4 | SB = 16h | Broadcast Service | | | | | |
M5 | NN = 08h | Length of data | | | | | |
M6 | 00h | Broadcast Date/Time | | | | | |
M7 | ss | Seconds | Sec | 0..59 | BCD | | |
M8 | min | Minutes | Min | 0..59 | BCD | | |
M9 | hh | Hours | Hour | 0..59 | BCD | | |
M10 | dd | Day | | 1..31 | BCD | | |
M11 | mm | Month | | 1..12 | BCD | | |
M12 | ww | Weekday | | 1..7 | BCD | | |
M13 | yy | Year | | 0..99 | BCD | | |
M14 | CRC | | | | | | |
M15 | SYN | | | | | | |
Outside Temperature:
Master/ Slave Byte-No. | Abbrev. | Description | Unit | Range | Type/ [Res.] | Repl. Value | Note |
M1 | | Source address | | | | | |
M2 | ZZ = FEh | Target address | | | | | Broadcast |
M3 | PB = B5h | Vaillant command | | | | | |
M4 | SB = 16h | Broadcast Service | | | | | |
M5 | NN = 03h | Length of data | | | | | |
M6 | 01h | Broadcast outside temperature | | | | | |
M7 | TA_L | Outside temperature | °C | -50,0 – 50,0 | DATA2b [1/256] | | |
M8 | TA_H |
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M14 | CRC | | | | | | |
M15 | SYN | | | | | | |
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