[120] opentherm gateway

For OpenTherm-gateway related questions in Domoticz

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macaidwin
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[120] opentherm gateway

Post by macaidwin »

It has already been mentioned in the old forum, but I would like to re-suggest it.
It would be nice if the http://www.opentherm-gateway.com would be implemented, to read data from boiler and thermostat.
I have one of these gateways connected to a windows computer, using USB. But it would be nice to connect it to a raspberry with domoticz. It is even possible to change the temperature setpoint of the room theromostat.
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Re: opentherm gateway

Post by Skippiemanz »

+1 would love that to!
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Re: opentherm gateway

Post by tjoep »

For me too, this would be really great 8-)
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gizmocuz
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Re: opentherm gateway

Post by gizmocuz »

me too still on my todo... got the hardware but i can start in october with this

if someone wants to start, that would be great (maybe use the rego 6xx as base?)
it is just connecting to the serial device and interpretate the output (and a bit more)
protocol is available on the creators site
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Re: opentherm gateway

Post by Yihaaa »

Another +1 8-)

This would be my favourite feature that would be implemented in Domoticz :wink:
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Re: opentherm gateway

Post by Sappien »

Another +1
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Re: opentherm gateway

Post by Yihaaa »

It is almost october by the way :wink:
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Re: opentherm gateway

Post by tjoep »

Any news on this front?
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gizmocuz
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Re: opentherm gateway

Post by gizmocuz »

My house is undergoing a renovation, it will take up another month.
Maybe someone can already start?
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Re: opentherm gateway

Post by tjoep »

Would like to, but I'm not a programmer, so I will be useless in this matter I think :)
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Re: opentherm gateway

Post by jfcjfc »

"It would be nice if the http://www.opentherm-gateway.com would be implemented, to read data from boiler and thermostat."
it's not necessary to buy this (above) :

Only buy :

one or two "http://www.planete-domotique.com/sonde- ... n132n.html" (18 euros)

and

one http://www.planete-domotique.com/module ... hacon.html (30 euros) connected to the heating boiler as this exemple : http://www.frisquet.fr/prestige--evolut ... 03_16.html
( the frisquet owner regulation is deconnected or missing)
or others device connected to radiators or central boiler

and

lua script : http://www.domoticz.com/forum/viewtopic.php?f=15&t=66 with domoticz and rfxcom

==========================================================================
GOOD JOB GUYS (Rob and other programmers) ... one program (Dz) almost complete and funtional
==========================================================================
bistoury
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Re: opentherm gateway

Post by bistoury »

[quote="jfcjfc"one http://www.planete-domotique.com/module ... hacon.html (30 euros) connected to the heating boiler as this exemple : http://www.frisquet.fr/prestige--evolut ... 03_16.html
( the frisquet owner regulation is deconnected or missing)
or others device connected to radiators or central boiler
/quote]

Hi jfcjfc,

I do not understander how the on/off switch ("contact sec" or free of electrical potential in english) works.
Do you have any schematic on how do you replace the proprietary thermostat (on the boiler side)? The link on Frisquet website is only very generic.

If the on/off switch only switch on or shutdown the whole boiler then it's a no go. My boiler cost too much to start playing with it :)
Buy looking at your lua script, i can't imagine that is that simple, so probably there is something else....

Also, how do you communicate the different orders of the proprietary thermostat ? Did you get some info from Frisquet ?

Best regards,
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Re: opentherm gateway

Post by jfcjfc »

bistoury,

En français et en direct cela sera mieux ou plus simple (message privé)

It's not simulation, it's work with "contact sec" (dry contact ?) and others devices with dz
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Re: opentherm gateway

Post by bistoury »

jfcjfc wrote:bistoury,

En français et en direct cela sera mieux ou plus simple (message privé)

It's not simulation, it's work with "contact sec" (dry contact ?) and others devices with dz
Will do :)
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Re: opentherm gateway

Post by geho »

gizmocuz wrote:me too still on my todo... got the hardware but i can start in october with this

if someone wants to start, that would be great (maybe use the rego 6xx as base?)
it is just connecting to the serial device and interpretate the output (and a bit more)
protocol is available on the creators site
What kind of hardware do you mean? I have a Remaha Calenta and would like to monitor and/or control the temperature.
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Re: opentherm gateway

Post by antwan »

It's mentioned before... http://www.opentherm-gateway.com/

It wil take a few weeks/month longer before it's working in Domoticz.
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Re: opentherm gateway

Post by gizmocuz »

Anyone got the opentherm-gateway connected?
And are willing to share the connection with me (i will reply in an email on how todo so)...
(Starting with the readings first)

As i can not connect it to the actual heater, it displays all 0...
Capture.PNG
Capture.PNG (44.71 KiB) Viewed 18466 times
With kind regards,
Rob
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gizmocuz
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Re: opentherm gateway

Post by gizmocuz »

New beta available that should already do some logging....
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Re: opentherm gateway

Post by geho »

I am planning to order an Opentherm gateway with LAN/wifi interface. For me an USB version is not practical because my Domoticz RPi is not near the cable between my Remeha and controller.

Do you plan to support the LAN/Wifi version?
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gizmocuz
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Re: opentherm gateway

Post by gizmocuz »

The Lan/Wifi version will/is also supported.
(Only not visible yet in the hardware list at the moment during development)
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