How do I combine a bistable switch with a Tuya module for roller shutters?

Question

Hello I have purchased a tuya module for the back box so that I can control the roller shutters from my phone. Everything works great, until I don't use the switch (as in the picture). Applying voltage to the motor, via the switch, makes it impossible to control from the phone. The module, after...

kosmos99 · Answer

The photo does not say the type of this relay. By the way, does this motor have a protective wire connected? Because from the photo you can see that the yellow-green is used to control the direction.

gruniu · Answer

For the purpose of testing, I connected the bulbs. .

gruniu · Answer

No one has any idea how to mount it?

kosmos99 · Answer

And shouldn't there be a phase connected to this L terminal next to L1?

gruniu · Answer

I don't think so. In the instructions you don't connect anything there. When you start the module, there is voltage there all the time.

kosmos99 · Answer

Have you checked that there is definitely no voltage between S1 and N or S2 and N when this problem occurs? Maybe try shorting S1 or S2 to N without a switch and see if the situation recurs.

gruniu · Answer

WITH N?
Not with an L?
I'll make a video tomorrow and show in detail.
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In the video you can see how there is no backup. After 1 min, the module shuts off the voltage to the roller shutter motor (for the video, to the bulb), but the pressed button on the switch still gives a signal to the module, making it impossible to control from the phone.

aleSMARTdom · Answer

Hello,
I have an identical controller installed at my place. everything works flawlessly.
According to the specifications of the device, it only works with monostable switches and that's probably where the problem came from.
If this was not the cause then I would be happy to know the solution.

Regards

gruniu · Answer

I fitted switches to the roller shutters, controlled by the Tuya system. Everything is working beautifully.

kasuj · Answer

Hello.
I need help as I can't find instructions anywhere for setting up the roller shutters more fully in the tuya app.
My 3 roller shutters open and close completely according to a schedule - with this I have no problem.
However, I would like, for example, one of them (in the morning) to open earlier by a certain percentage - to brighten up the room before I leave for work, then fully open according to the schedule.
How and where do I enter this opening percentage in the application?
Please help me with what to do and enter one by one.
Thank you.

gruniu · Answer

There is no such thing as a percentage opening of a roller shutter.
I have a set time, e.g. the roller shutters close all the way (until the limit switch switches them off) and they have a set time for this. Then they open, for 5 sec.
They make a slight gap. Winter useful, as the roller blind does not freeze to the window sill.
The commands in brief:
1) Close the roller shutter - 30sec.
2) open roller shutter - 5sec
3) stop

kasuj · Answer

Thanks for the hint I will try to do it that way.

But at the bottom of the screen is "Smart".
Clicking on this goes into "Automation" and next to Tap-to-Run" and at the top "+".
Clicking on the "+" sets the condition and task.
Somehow I set it and got the text:
"If Schedule 15:53 03/29, 'Kitchen'"Percentage control20%....
- so there is something here for setting percentages, however it doesn't work as expected for me.
I could not find instructions for setting the blinds, also in English.

gruniu · Answer

On what basis, will the system be able to determine how many percent will open the roller shutter? For this you need an encoder. Who mounts the encoder to the roller shutter?

kasuj · Answer

Only this: Added after 4 [minutes]: Maybe the opening % value is set somewhere. Also, in the main window with my finger by sliding the slider I can set the % opening and it works, but it is with my finger and I would like to set this % in tuya programmatically.

gruniu · Answer

Show me a screenshot of this roller shutter control module.

kasuj · Answer

. Added after 32 : . Added after 1 [minute]: Does that first screen look any different on you?

kasuj · Answer

I managed to set in Tuya the automatic opening of the blinds in the morning to 55%. I am attaching the screenshots. .

stalman1 · Answer

. Based on time. When setting up the roller shutter i.e. calibration, Tuya assumes the opening time of the roller shutter as 100 %. This is not an accurate indication, but some kind of approximation, and in addition creates problems with longer roller shutters, because the time of opening and closing differs by about 2s, which causes the roller shutter to stop at 95% open. This does not change the fact that the indication is there.

stalman1 · Answer

. This is possible in the scene setting in the schedule. There are three options 1. setting how many percent to be 2. by how many percent it should open 3. by how much of a percentage to close

How do I combine a bistable switch with a Tuya module for roller shutters?

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