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[Solved] Zamel SRP-01 Controllers & Centralized Control for 6 Roller Blinds: Intermediate Positions Issue

kwba 27648 5
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  • #1 17604372
    kwba
    Level 6  
    I have external blinds with Zamel SRP-01 controllers (6 roller blinds, a separate controller for each).
    There is a local control switch for each roller blind (2 keys: up and down) and in addition to all roller blinds
    there is 1 common central control switch (also 2 keys: up and down).
    Everything connected properly, works as described in the manufacturer's instructions.

    However, there is one small problem, the solution of which would make the blinds a little easier for me:

    Using the local control switches you can set individual blinds in any intermediate position.
    This is done by pressing any key while the blind is moving. After releasing the key the roller blind stands.
    Pressing and releasing the key again causes the roller blind to continue to the end position or to stop again.

    Whereas the central control keys only allow full closing or opening of all blinds.
    Pressing and releasing the central control button during their opening or closing causes them to stop only for a moment, after which they "drive" further until the last one reaches the end point. That's how it works according to the instructions.

    However, sometimes it would be useful to be able to stop all blinds in the intermediate position using central control.
    For example, in a situation when I have all the blinds tightly closed and I would like only a minimal "pull" all of them up to let some light into the apartment.
    Now I have to do it separately for each roller blind with its local control key.
    It is begged that it could be done "in one go", i.e. with the central control key.

    Does anyone know if it is possible to connect SRP-01 controllers in this way (without having to replace them),
    so that it is possible to stop all blinds in the intermediate position using the central connector?

    Somewhere I heard a proposal that the central control connector should be connected not to the "CENTRAL" terminals of individual controllers, but to their "LOCAL" terminals (ie the same to which local connectors are connected) through the diodes, as shown in the diagram below (I marked the modification with red color). The diodes would be here so that closing the local connector of a given controller would not affect the controllers of the other blinds. However, I am not entirely convinced of this solution.
    Zamel SRP-01 Controllers & Centralized Control for 6 Roller Blinds: Intermediate Positions Issue

    I would be grateful for feedback on this solution, or suggestions for other solutions.
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  • Helpful post
    #2 17604428
    antek1cza
    Level 31  
    Hello
    kwba wrote:
    is it possible to connect SRP-01 controllers in this way
    I suggest you simply send an email to the manufacturer's website ZAMEL with this question.
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  • #3 17604492
    kwba
    Level 6  
    antek1cza wrote:
    Hello
    kwba wrote:
    is it possible to connect SRP-01 controllers in this way
    I suggest you simply send an email to the manufacturer's website ZAMEL with this question.


    Rather, I was hoping that some forum member had already tested this solution.
    I do not know if I will receive a reply from Zamel "in writing", because this connection is not in accordance with the diagram given in the instructions. But if there are no opinions or suggestions, I will do it - thank you.
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    #4 17608412
    antek1cza
    Level 31  
    kwba wrote:
    Somewhere I heard a proposal to connect the central control connector not to the "CENTRAL" terminals of individual controllers, but to their "LOCAL" terminals
    If you do not have a block diagram or a ideological one for this driver, it is difficult to assess such a change or whether it will be effective.
    From what I see on the housing of the SRP-01 controller, such a change will not have the intended effect, if only because the L phase is fed once to one terminal and once to the other (up-down) of the input. CENTRAL has nothing in common (despite the fact that on the housing the CENTRAL and LOCAL inputs connect together in pL) with the LOCAL inputs, other microcontroller inputs are simply controlled.
    So giving the input LOCAL rectified single-phase (through diode) phase L nothing will change anything but it can disrupt these inputs.
    Of course these are just my agonizing - I didn't have this driver.
    kwba wrote:
    I do not know if I will receive a reply from Zamel "in writing"
    And why not ? after all, the manufacturer cares about satisfied customers!
    After all, customers are really causing the evolution of equipment by informing manufacturers about their new needs.
    There is one more method without a schematic: dismantling the controller and drawing the assembly scheme of these inputs and analyzing it (reverse engineering).
    Good luck
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  • #5 17608882
    kwba
    Level 6  
    antek1cza wrote:
    And why not ? after all, the manufacturer cares about satisfied customers!
    After all, customers are really causing the evolution of equipment by informing manufacturers about their new needs.

    That sounds reasonable. I just wrote to the Zamel technical department on this matter, I will let you know as soon as I receive the answer.
    Thank you!

    Added after 17 [hours] 15 [minutes]:

    Today I received from Zamel information that the modification as in the diagram above will make it possible to stop the blinds with a central connector. In my free time I will test and let you know what the effect will be.
  • #6 17784857
    kwba
    Level 6  
    I connected the controllers according to the diagram with diodes shown above, it works as it should. Therefore, I close the topic.

    Added after 1 [minutes]:

    I contacted the controller manufacturer (ZAMEL) who suggested a solution.
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