Command 0x21

[pocki80]

I realized UVR61-3 answers to the command [0x21] with [0x80].
What could this command do and answer mean?

I am particularly searching for a way to "read" the data from sensors directly from the DL line. My UVR has 3 sensors attached using the "addresses 12, 13, 16 (don't know if hex or dec values).

...or maybe this could be done using another subcodes for command [0x20]?

[DEBUG] Transceive: ['0x21'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x80'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x0'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x0', '0x21'] --> ['0x80', '0x80']
[DEBUG] Transceive: ['0x21', '0x0', '0x22'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x0', '0xff'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x0', '0x82'] --> ['0x80', '0x1d']
[DEBUG] Transceive: ['0x21', '0x0', '0x21', '0x0', '0x21'] --> ['0x80', '0x80', '0x80']
[DEBUG] Transceive: ['0x21', '0x0', '0x21', '0x0', '0x82'] --> ['0x80', '0x80', '0x1d']
[DEBUG] Transceive: ['0x21', '0x0', '0x21', '0x0', '0xaa'] --> ['0x80', '0x80', '0xf']
[DEBUG] Transceive: ['0x21', '0x1'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x2'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x3'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x10'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x10', '0x18'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x82'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x82', '0x2', '0x1d'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x82', '0x21', '0x1d'] --> ['0x80', '0x80']
[DEBUG] Transceive: ['0x21', '0x82'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x21'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x0'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x80'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x90'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0xaa'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0xab'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x8a'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x8b'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x8c'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x8d'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x8e'] --> ['0x80']
[DEBUG] Transceive: ['0x21', '0x8f'] --> ['0x80']

[ubruhin]

What could this command do and answer mean?

It reads the mode of the device, 0x80 means "data logging".

Btw, I just found the protocol documentation of DLOGG online (no idea if that's legal, but that's not our problem 😉): www.haus-terra.at/heizung/download/Schnittstelle/Schnittstelle_PC_Bootloader.pdf

I am particularly searching for a way to "read" the data from sensors directly from the DL line. My UVR has 3 sensors attached using the "addresses 12, 13, 16 (don't know if hex or dec values).

Are you able to read these sensors with their proprietary Software? You may better contact the support of Technische Alternative, probably they could help ;)