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Smart Home Forum by FIBARO Team

Adding an additional scene switch to Dimmer 2


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I’ve recently installed a Fibaro Dimmer 2 in-wall module in my dining room on a 2-wire electrical circuit. This has been set up to control the main light using the load control of the dimmer (switch 1) and the lamps using z-wave control (switch 2). This works perfectly (see image).


I would like to add a third switch to control another z-wave device in the wall panel. Would it be possible to do this by wiring in another Z-wave module in series or something? I’ve attempted this with a spare in-wall dimmer, but can’t figure out how to get it working on a 2-wire circuit like this one – perhaps it’s not possible.


Any guidance would be really appreciated. See image for current working setup (two switches). Thanks!

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For what I know this is not possible. Why not install a momentary switch? Then you can do thing like 1 click turn on/off light, 2 clicks turn on/off another Z-Wave device and 3 click(S2 only) ....

With a momentary switch and a dimmer 2 you can activate the scene activation parameter, with 2 switches you can control 5 devices (of scenes).



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  • That is a very good suggestion.  I have in fact got both a two button, and three button momentary switch panel ready to go. The only caveat is that I doubt the wife will appreciate pressing the button twice! 


    Are you 100% certain that it’s not possible. I’m showing my ignorance here, but as long as the Dimmer 2 is capable of outputting a constant current to power an additional z-wave module It would work.


    I suppose, if it really is not possible, I might be able to use a Fibaro Smart Implant and a 9V battery. I’d like to avoid that if possible. 




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    I known what you mean, I have the luck my wife remembers all the combinations mostly because she asked me to create these actions:lol:


    I’m no electrician so I’m not 100% sure. 

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