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Smart Home Forum by FIBARO Team

Physical matching of a toggle switch with the FRG-222 module logic


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I intend to use a Fibaro module FRG-222 to control a roller shutter powered with a Somfy LT50, together with a Somfy bi-stable fixed position switch (3 buttons : "up", "down", and "stop") as the manual says it is possible with config key 14 set to "1".

I wonder how the logical control of the module work together with the physical positioning of the toggle switch.

If for instance the "down" button of the switch get depressed (staying in that depressed position, the shutter goes down) and latter the module receives an "up" order from the zwave network, isn't there conflict between the two ? The shutter going in the "up" position when the controlling switch has its "down" button still depressed. What happen next, if I want to get the shutter "down" from the button which is already depressed ?...

Can someone explain to me the principle of this working ?

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I don't think it will work! I don't really know what you want to achieve our how the somfy blinds works. But in general it is hard to get a bi - stable switch to work in a way that makes sense in any form of automation. You will most likely need monostable switches.

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  • Many thanks Joacim for your answer.


    Are you sure that it shouln't work ?


    Because according to several sites like this one :


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    or this one :


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    it works.


    Also the Fibaro doc says that it works with bi-stable switches.


    Indeed my question was more about the matching of the "physical" positionning of the swiches with the funtioning logic of the module.

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    I don't think it will work. I don't know French but judging from the pictures they do not allow the buttons staying depressed. Is it not possible to put some springs behind the buttons?

    Fibaro devices usually do work with bi - stable switches but not with "fixed" positions. As far as I can understand this is how it works -'turn light on with a down press, turn it off via controller and turn it on again with an up press'.

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