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Roller shutter switch with FATEK PLC - only one function works (up/down)

McTommy 2193 4
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  • #1 14785626
    McTommy
    Level 10  
    Posts: 104
    Rate: 13
    Hi,
    A trivial question probably but I can't quite manage.
    I have a FATEK PLC. Programmed OK.
    And I have three wires from one of the roller shutters (incidentally as in all roller shutters).
    All the others are connected to Berker B2 four-position "click" switches. With status 0 and 1 (click and hold). But in the utility room I didn't want to connect a switch like this because I only have one roller shutter to control. So I found some old roller shutter switch in the variety box - two buttons - up and down. The connection seems trivial. Zero and up and down. Three wires and three sockets. But. When connected this way, only one of the functions works. Raise or lower depending on the line selected.
    But both do not work connected at the same time. I found a picture on the internet that a wire is run from 0 to line two and only connected. But this results (obviously) in continuous control of the second line until cut off by the motor.
    I bought a second such switch thinking that the first one is yucky but same situation.
    How to make it work? I have been combining in all sorts of ways. Both lines have the same "ground" and how they both work. But I don't know how to connect this button. The possibilities are few and I have used them all and it doesn't work.
    thank you for your help
    Tom
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  • #2 14786123
    Garcia24
    Level 16  
    Posts: 153
    Help: 7
    Rate: 25
    "Three wires and three sockets" - I don't understand what you mean. Any overview drawing of how a colleague hooks this up?
    The neutral from the roller shutter motor - permanently with the neutral of the mains. And connect the motor phase (up, down) to the mains phase via the appropriate switch contacts.
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  • #3 14790309
    e-sparks
    Electrician specialist
    Posts: 623
    Help: 77
    Rate: 216
    McTommy wrote:
    three wires from one of the roller shutters (incidentally, as in all roller shutters)
    In all roller shutters, FOUR wires should be "given".
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  • #4 14818621
    macieja
    Level 25  
    Posts: 674
    Help: 78
    Rate: 266
    In all roller shutters you should "give" FOUR wires.
    If the manufacturer installs 3 then why the 4th? Unless you want to connect PE.
    Just like colleague Garcia wrote, and it will be ok

    Moderated By Akrzy74:

    No, it will not be ok. - no protective conductor in the circuit. I remind you that the forum endorses non-fiction.
    Non-fiction posts containing harmful advice are prohibited.
    I am issuing a warning.

  • #5 14819825
    e-sparks
    Electrician specialist
    Posts: 623
    Help: 77
    Rate: 216
    macieja wrote:
    As colleague Garcia wrote and it will be ok
    No, it will not be Ok.
    Only the ferns don't know what that funny yellow-green wire is for, with which there are only problems: you connect it - the differential blows, you don't connect it - it also blows, but with sparks....

    Anyone who asks stupid questions without expecting an answer as to what this protective is for should be blunted....
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