Extracting Setpoint from a Radiatorvalve

[DutchHans]

Hi All,
I am trying to create a script to check if a temperature in a room is higher than the setpoint set by Domoticz. In that case I have to check the radiatorvalve. (Batteries could be dead) I have searched the forum for several hours but I cant find how to extract the setpoint for a radiator valve in Lua. The Setpoint is set to 15 but Otherdevices_svalues give me 0.0, same with otherdevices_temperature.

Anyone knows how to extract the setpoint from a radiator?

Regards, Hans

[Westcott]

Hi Hans,

Have you added a device that displays your setpoint correctly?

setpoint = tonumber(otherdevices_svalues['Your setpoint device name'])

[DutchHans]

Yes, ive tried several, but no luck.
setpoint = tonumber(otherdevices_svalues['Radiator Bedroom']) and setpoint = tonumber(otherdevices_temperature['Radiator Bedroom'])

Any ideas?

[Westcott]

What does the device 'Radiator Bedroom' show in the Domoticz GUI?
What value does setpoint = tonumber(otherdevices_svalues['Radiator Bedroom']) print?

[DutchHans]

radiator_bedroom.jpg (42.43 KiB) Viewed 2804 times

The GUI in Domoticz

2016-05-10 13:15:18.775 LUA: 0
2016-05-10 13:15:18.954 LUA: 0
2016-05-10 13:15:19.136 LUA: 0

[Westcott]

Interesting!

Is it possible that you have more than 1 device called 'Radiator Bedroom'?

[DutchHans]

Hi Westcott,

Yes, when I add a radiatorvalve there are 2 items added with the same name. one holds the set temperature and one is a on/off switch
There are also two IDX's

BTW, thank you for replying so quickly..

[jvdz]

Just rename one of the two so they are both unique and you can use them in LUA.

Jos

[DutchHans]

I did rename one.. answer is still 0

2016-05-10 13:37:44.992 LUA: Radiator Bedroom Temperature is 0

[Luigi87]

With type of Danfoss product do you have?
I have the LG-13's and these do not send a acual temp.

[DutchHans]

Hi Luigi87,
Thanks for replying.

Smartwares Wireless Radiator valves
http://www.homewizard.co.uk/smartwares- ... valve.html

The valve itself doesnt send... but the setpoint is sent by Domoticz which is visible in the GUI. and I would like to use that Temperature to compare it with the actual measured temperature. If the actual temperature rises above the setpoint temperature than there must be an error (for example: battery faillure). I have had it once that I came back home after a few days and the bedroom was like a sauna, which costs a huge amount of wasted energy.

Regards..Hans

[Egregius]

The value is in the data part of the json reply, shouldn't be that hard.
At least, not in php

[DutchHans]

Hi Egregius,

Maybe thats a start, only thing is... I am not a real programmer, I try to read code from others and combine things to fill my needs. Do you have an example?

Regards, Hans

[Luigi87]

Hi Luigi87,
Thanks for replying.

Smartwares Wireless Radiator valves
http://www.homewizard.co.uk/smartwares- ... valve.html

The valve itself doesnt send... but the setpoint is sent by Domoticz which is visible in the GUI. and I would like to use that Temperature to compare it with the actual measured temperature. If the actual temperature rises above the setpoint temperature than there must be an error (for example: battery faillure). I have had it once that I came back home after a few days and the bedroom was like a sauna, which costs a huge amount of wasted energy.

Regards..Hans

Oke, now its clear to me. I thought I had read that you used a danfoss.
I Don't know how thats works yet. but i will also follow this topic.
I hope to have some time by the end of this year to implement this also.

[DutchHans]

Someone else any ideas? I guess it must be possible to extract the setpoint but I have really no idea...

Regards, Hans

[jvdz]

What does it return without converting it tonumber? so just:

Code: Select all

print(otherdevices_svalues['Radiator Bedroom'])

Jos

[DutchHans]

Hi Jos,
The line:

print(otherdevices_svalues['Radiator Bedroom'])

shows this in the log:

2016-05-11 09:04:29.249 LUA: 0.0

But the setpoint in the Domoticz Gui still returns 15.0°C
Regards, Hans

[jvdz]

Could you show a screen capture of the devices list and simply put in a filter like "Radiator"?
This will show the existing devices with that name in it and their current values.

r/Jos

[DutchHans]

Hi Jos,

The complete list of radiators (4 pieces)

[DutchHans]

Its getting weirder...I tested it in Blockly

blockly.jpg (43.3 KiB) Viewed 2686 times

returns in the log:

log.jpg (34.8 KiB) Viewed 2686 times

So, why not in Lua????

regards, Hans