KUX 100 VELUX PDF

Velux call this range Integra and it uses the io-homecontrol protocol. Not all is lost though and you can interface the two, you do however need to get some extra kit. Velux have a device called the KLF However if you want to open all windows and close all windows then one KLF can do this. By doing this you can test the functionality and setup the interface without adding the extra complexity of the Fibaro setup.

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The overall architecture is a bit weird, utilizing a control unit KUX which is receiving the IO radio commands and then sending these to the window over the 24V line. There are several drawbacks, like space requirements, stand-by consumption, price and scalability. Moreover, who wants to have a box full of remote controls these days, or a separate mobile app for each of the device you have at home? Now it is important to say, that all these Velux products are expected to be controlled by their dedicated control unit, for instance the already mentioned KUX The problem with these units is that they only listen to the paired remote, and the device is not designed to accept any external commands.

This makes it extremely difficult to connect to any master system. After some research I learned that due to some compatibility reasons these shutters can work in a polarity driven simple mode without the control unit.

Known fact is that once you connect the shutter to the original KUX controller, since that moment the shutter no longer listens to the polarity change and expects KUX to give instructions. In my case, one of the four shutters I installed refused to follow the legacy polarity control. This is a critical scenario.

I did not find a way how to reset the roller without the KUX unit. So I had to borrow one just for the purpose or the reset procedure. But there is one more interesting thing I was not aware of. If two or more SML shutters are connected to one power supply, they immediately stop. It has nothing to do with the load, but it seems that there is built in protection avoiding hooking more than one window to one KUX.

Once the shutter listens the modulated signal of the other, they both refuse to work until you switch off the relays or power supply, and enable just one of these to complete its function. So in reality, if you are planning to hook all shutters to your industrial 24VDC power supply and control these via relay boards using the polarity change, you may need to go over an additional hurdle.

The thing is that the modulated control signals needs to be filtered out. I have been experimenting here for a quite a while, and I have two workable solutions. Both require to mount filtering device directly in the upper window space, where the connections are fit. Both are very small electronic parts size of 3 cm or similar , so it is relatively easy to put these between the connection points of the shutter. What it does is it eliminates any high frequency signals from the line, passing just the DC voltage there.

This way you isolate the rollers that are connected to the same source. If you have 2 rollers, it should be enough to put the filtering module just to one of these, but I finally added it into all of the rollers, there is plenty of space for that.

The Velux Roller Shutters is one of the best products for these windows in my opinion. It has a clever design, allowing the window fully open when the shutter is open, and limit the opening angle only when they closed.

But still you can have the window partially open when the shutter is closed. They do remember the end positions from the test drive and return smoothly back to these. Apart from the closed communication protocol I already mentioned, this is a reliable and robust product, I must say.

I never had an issue with these since Velux DML indoor electric blackout blinds are the easiest to integrate. You can easily control these using 24V polarity change. The only trouble that might appear is again the protection against multiple blinds on one power source. If you experience such issue, the same steps needs to be taken using the current chokes.

This really depends on the individual installation, cabling lengths and type as well as the PSU type. I have three windows with these Velux DMLs, and I had to install chokes only after I did some rearrangements in the cabling and power supplies. If you are considering the options how to reduce the sun heat in your rooms, or even if you just look for options how to make your bedroom completely dark, in both cases go with the external roller shutters rather than the internal blackout ones.

I know these are more expensive, but the quality and durability is on a higher level. And more importantly, the inside blackout blinds does not help you reduce the heat much. They do ensure total darkness, however the heat radiates inside of the room! The only time when you can get into troubles with the external roller shutters is when you get a lot of snow. Only then there is some advantage of having the indoor blinds, which are not impacted by that.

In all other situations the roller shutters are better. After a while they started to jam the fabric randomly, so I had to call the warranty service guy who has been trying to resolve that. Although we selected premium fabric, there are already few small holes in it. I have no clue how these happened, as we control these blinds only electrically.

And here is the most difficult part. These allow automated opening and closing of the windows that cannot be reached by hand. I ordered the VNX modules here.

It fits perfectly into the original housing and works like a charm. The installation is simple and is well described in detail in the manual.

The new board still preserves the original functionality of reducing the chain and gears tension by reversing the direction for few steps at the endpoints.

Slight downside you might mention is that you obviously loose any warranty as soon as you open the original motor housing, and also the additional costs 49 EUR associated with purchase of the driver unit. But it is definitely less than you would have to spend on other extras in order to make the motor work with your system.

Finally, be aware that commercial products evolve over time and what I tested in might not be applicable to any potential newer revision of the same device. I always recommend to test or check your planned setup before you make any bulk orders. Switching of the Velux components is managed using Loxone extensions with relay outputs red connectors on Miniserver, Extension or Relay Extension. The only additional component you will need is reversing relay, which is needed for switching the polarity of 24V.

It can be done without it, but let me explain why is it better to use that. Loxone components are not prepared for polarity switching output. To make this happen, we need to either use four Loxone relay outputs for each component. Or we can use only relays outputs two plus additional reversing relay. If for instance we have more windows in one room and we do not expect these to go the opposite direction at the same time, we can save few relay outputs by creating a group of blinds or shutters, but still preserve the option to control each individually if needed.

I have my roller shutters and blinds connected using the reversing relay. So if a room has three windows, I am using just one reversing relay for all three, and then just three individual outputs for each motor.

The only disadvantage is that I cannot run blinds the opposite direction at a time. But this I identified as very rare scenario. Programming in the Loxone config is just an additional logic around the blinds control block. If you want to be extra finicky, you can also add controlling logic to prevent opposite direction runs of multiple blinds in one room connected to one common reversing relay. Please note that the above config maintains just the basic functionality. There needs to be additional programming done for rain protection, as well as central functions.

This probably deserves separate post. The blinds modules are configured for two windows here, can be controlled separately in the app or joint using a wall switch. I hope this might help someone when considering the options how to automate and control the roof windows accessories.

This is so great that you shared this info! Unfortunately the links to the VNX-driver and manual seem to be offline. Is the module maybe not up to date anymore for the newest Velux windows?

Would you know an alternative for this replacement module? Thank a lot. Hi Bart, let me check the situation with the developer of these modules. I hope to get the response by tomorrow. Hi Bart, well how to say that… Now I know what is behind, the modules are and will be available, however there has to be done some forced update in the doc and web presentation.

I believe the info will be back online soon, please stay tuned. I just checked the Techniline website again, and the manuals are back online. They now contain some forced warnings about the implications of the HW modification requested removal of CE certification, and so on.. It is interesting that Velux is going after these HW customizations rather than making the device open and naturally compatible with multiple systems. Just discovered Techniline products.

Did not experiences issues as well with 4 blinds on the same power supply: No filtering was needed.

Only issue is new blinds looks to be more power hungry or power peak sensitive than old ones: Could only switch one at a time, like you. Simultaneous was working with old blind. Old power supply was 30W. IMO, the blinds control board is put in reset till next power cycling if powering requirements are not meet preventing any movement when old blinds were able to move, maybe a bit slower and as power peak will occur at blind engine start, I think your filtering may just smooth the voltage drop seen by the control board and allow operation even if your powering is a bit underestimated.

Only issue that remains is low stop position have moved a bit on 2 blinds over years, maybe 0. As there is no more blinds reset available a procedure that have existed and can be found on the net did not work for my end blinds , without IO I have no way to trigger a new stops learn procedure. Hi, I really appreciate your detailed post.

Thanks a lot! It could be also the wires that are very long in my case. The low stop position is something I have noticed as well, probably same impact as yours. It is interesting that this is being visible only by one of my four blinds.

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