Loxberry

[Peter Holden]

This relates to my other discussion regarding Shelly devices. 

Basically, is it worth installing Loxberry on a RPi to handle Shelly inputs / outputs? I've read elsewhere on the forum that Loxberry is good at handling complex commands and is the preferred option. As far as I can tell, Loxone is capable of controlling Shellys directly using virtual inputs / outputs so what does Loxberry give me?

I have also read that it is possible to control a Velux roof light (of which I have two) via Loxberry, which in itself seems a good reason to adopt that software, but yet something else to get to grips with! Would appreciate opinions.

Peter

[Duncan]

it doesnt really matter either way

i mostly use most shelly i/o devices directly with loxone and reserve the loxberry for more complex solutions - eg :

shelly h&t go over mqtt/loxberry/virtual inputs because its much simpler

iobroker on the loxberry to let loxone control the  logitech harmony hubs for AV

[Ewan Tait]

On Friday, February 26, 2021 at 9:36:11 AM UTC s69...@gmail.com wrote:

I have also read that it is possible to control a Velux roof light (of which I have two) via Loxberry, which in itself seems a good reason to adopt that software, but yet something else to get to grips with! Would appreciate opinions.

I've got six Velux blinds controlled from Loxone. I use the Velux KLF200 interface unit, which is controlled by the Loxberry using FHEM. The Loxberry then uses MQTT to interface with the Loxone miniserver.

The link that I've got saved in my notes is https://www.loxforum.com/forum/hardware-zubehör-sensorik/171217-velux-klf200-endlich-mit-api/page3#post190659

The main issue that I found is that the blinds, two banks of three, have slightly different response rates to commands. Loxone doesn't know this, so assumes the blind has started moving as soon you press the button and stops exactly when you press the button again. With three blinds being controlled together, that means they would end up in different positions when you try and stop them half way down. To get round this, when I press down, they start lowering and then when I press stop, I push the target height to the Velux blinds and they keep going until they are at that height. Sometimes one will reverse to get to the correct position, but otherwise works like a charm.

Cheers,

Ewan

[Peter Holden]

Thanks Ewan, really helpful. Turns out I need to buy a KLF200 as well as my Velux wall switch isn't capable of interfacing with a smart home at all,

[Rob_in]

On Wednesday, 3 March 2021 at 19:57:33 UTC+1 s69...@gmail.com wrote:

Thanks Ewan, really helpful. Turns out I need to buy a KLF200 as well as my Velux wall switch isn't capable of interfacing with a smart home at all,

What Velux device do you have?

We have 2 x Velux windows in the roof here and I intend to install external roller shutters. From what I can tell their motors are 24v DC and up/down movement is controlled by switching the polarity of the supply. I was going to just connect that wire to 2 x relays to achieve that (and off, of course).

Or is this not possible?

Robin

[Peter Holden]

Robin

I think the Integra centre pivot range. I've long since lost the original documentation. Your post isn't entirely clear if you're trying to wire the Velux windows or the additional external roller shutters? Presumably the roller shutters are in addition to the Velux windows.

There's been quite a few historical posts re control of Velux and how difficult (impossible?) that is, however, their introduction of the KLF200, specifically to interface with smart home technology has made it possible.

Well, that's my understanding of the situation.

Peter

[Rob_in]

On Thursday, 4 March 2021 at 10:46:27 UTC+1 s69...@gmail.com wrote:

I think the Integra centre pivot range. I've long since lost the original documentation. Your post isn't entirely clear if you're trying to wire the Velux windows or the additional external roller shutters? Presumably the roller shutters are in addition to the Velux windows.

Yeah. We have centre pivot windows installed and I want to add the external motorised roller shutters.

 

There's been quite a few historical posts re control of Velux and how difficult (impossible?) that is, however, their introduction of the KLF200, specifically to interface with smart home technology has made it possible.

Really? I looked at the roller shutter installation guide and there's just a 2 core cable coming out of the motor unit. Yes, they tell you to connect this to KLF200 or whatever, but it's just 24v DC so don't see why you couldn't connect it to any 24v DC supply.

If anyone has one of these controllers I'd be interested to hear if this is actually the case (ie. just stick a voltage meter on the outputs of the controller and run the shutter up and down to confirm one way is +24v DC and the other -24v DC).

Cheers,

Robin

[BPL]

They are using a special protocol named IO. You can't just use any 24v DC power.

For the power you need a Velux KUX 110 EU module

To interface the shutters you need a Velux KLF200 or KLF 050
The Somfy Tahoma can also be used via there API

Op vrijdag 5 maart 2021 om 07:46:54 UTC+1 schreef Rob_in:

[David Wallis]

I don’t think its that straight forward with some of their products but do-able..

 

https://smarthome.exposed/controlling-velux-windows/

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[Rob_in]

Thanks for sharing that, interesting post.

But have to disagree... control of roller shutters sounds pretty straight forward to me! :D

[David Wallis]

I’m not saying its difficult – Its a H Bridge that’s needed – job done.

 

I think the issue is when you look at the windows with the open close and vent position.

 

From: Rob_in
Sent: 05 March 2021 08:37
To: Loxone English
Subject: Re: Loxberry

 

Thanks for sharing that, interesting post.

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[Rob]

Loxone have just released a Nano Motor Controller with H bridge and speed control for DC motors