Blind control for new construction (Many units per switch box)

Hello,

if you are already doing star wiring anyway (who is doing your electrical work?? you or your electrician?) then the additional effort in KNX is quite manageable. Actuator for 24 lamps 290 Euro, power supply 80 Euro, actuator for 12 blinds 290 Euro, actuator for floor heating 8 rooms 220 Euro and switches depending on requirements between 35 and 135 Euro / per switch.

Of course, this only works if you have the option to decide what goes in yourself. The standard electrician still adds a 2x multiplier to the total...

It’s not cheaper with Homematic either. The problem with the 'expensive KNX' is that people jump from hundreds to thousands. And then they want this and that, etc...

Don't forget the 1000€ for ETS and the programming effort is not for end consumers.

Good morning!

I wanted to do the electrical work myself.
I am an electrician, but switched to the civil service a long time ago.
So I'm lacking the 'new' modern gimmicks in my head, and then being a civil servant on top of that. )
The ETS is basically the software for the system, right?
I actually didn’t want to jump from one to a thousand. For now, the blind control is important to me, preferably also centralized, and the reduction of switch units (boxes) due to lack of space.

Best regards,
Thomas

also sometimes centrally and the reduction of switch units (-boxes) due to lack of space.

One of the main reasons why bus systems exist in the first place...

Shutter controls etc. are a dime a dozen. But since you are an electrician and do star wiring anyway.

I would get down to business and lay KNX cables everywhere and then gradually expand.

The cable costs 40 euros per 100-meter roll, so it is rather negligible.

the programming effort is not for end users.

Hehe, carnival again? Haven't laughed that hard in a while.

Anyone who can create an Excel table can handle KNX parameterization with ease.

ETS is basically the software for the system, right?

Yes, and you can get it much cheaper in the Lite version, which is absolutely sufficient for small systems.

All in all, you're looking at 1-2 thousand euros for everything (if it's just going to be 1-2-3 rooms at first), as already mentioned you can expand later once the basics are set.

The great advantage of Homematic is that there are many wireless components that can be combined with the wired version.

This way, for example, you can control roller shutters wirelessly and lighting via cable.

But if you are going to wire everything in a star topology anyway, then you can take Homematic Wired or KNX.

Thank you very much for your assessments!

Then I will venture into KNX.
I have already briefly read up on it!
I would exclude the wireless option.
That leaves TP (24 V), PL (230 V), and Ethernet.
Since we initially do not want to control anything from outside the house, there are two options left.
Am I right in thinking that if I want to install switches with many switching options, the TP variant is the right one?
Then I would have to lay telephone cables, preferably KNX cables, everywhere there are switches (sensors), right?!
Is there a manufacturer that you can recommend, like BuJä, Jung, Gira, or something completely different?
To my knowledge, BuJä is the cheapest to obtain.

Sorry for my lack of knowledge and the possibly silly questions!

Regards,
Thomas

KNX cables to every switch box, socket group, ceiling outlets, etc. (for PM or other sensors), easiest simply at every conceivable place.

First just lay them down and connect everything as a tree/star/open ring.

It does not matter if only part of it initially receives sensors etc. and the rest does not.

KNX cables simply in addition to other types of cables, not instead of.

Telephone cables have no place in new buildings.