Thread: Sliding gate motors

Just an idea, but it seems to me that the magnets might be in the wrong position. Have you tried sliding the magnets on the gate further to the right so the cut out position comes sooner? Loosen the nut at the back, slide the magnets to the right then tighten the nut again. If it were me, I'd clean the surface of the magnets too.

In the long run if you can't get the magnetic system to work, you could by-pass the magnets and install a micro-switch that is activated by the movement of the gate at a certain position.

exactly

Originally Posted by Stumpy

Amazing this "Kill a Dog or Cat" creates a problem. Folks need to manage their pets for FFS. Had one at our place. Never an issue.

exactly

Originally Posted by Joe66

what was my problem ?

when the gate is closing, the magnet at the gate sliding door is giving a magnetic puls to a little black box at the gate motor,
it should ... stop the motor.

But in the video, you can hear, how the gatedoor is crashing.

Every time, when you can hear this crashing noise,
the gate may be closed, but the motor did not stop working.

So in case, you leave your home and close the gate, when the motor is still working, after the gate is closed,
it caused for a long time, till the electric cable is getting so hot, that the isolation is fading away, and you got a short cut-

In the end, I had 2 electric cabels in 2 pipes, one positive, one negative, that no shortcut can happend between the house and the gate.

Now, I have the 5 or the 6 magnetic black box at the gatemotor,
but it still happend, after 15 or 20 closing attempts, the stop signal is getting lost,
and the gatedoor closed with a chrash noise, so that the motor is still working.



( it sucks, every time, when this happend, switch out the breaker, switch the motor to manual mode, realize, that the gatedoor is still not moving, deinstall the metal rails from the gatedoor, to open the gate manual again)
could the electric impuls from the black magnetic box, send to the controllerboard at the wall, and back to the motor, have sometimes less than the minimum voltage ? - ... I don t know.

Magnets must be placed correctly, they are not placed in the same position vertically, one is open stop limit, the other is close stop limit

Originally Posted by globin

Magnets must be placed correctly, they are not placed in the same position vertically, one is open stop limit, the other is close stop limit

You are right, when the gate was closed, the end-position of the magnet, when the vdo was taken, was placed a little before the black sensor,
but the fine adjustment on the controllerboard was working with this setup.

It was working for 20 times perfect, but sometimes, the stopsignal was getting lost, and the gate crashed during the closing process.

I think, I will also try another controllerboard, because the malfunction is only happening from time to time.

I'm so glad for this thread as I was thinking of installing a motor as I'm getting older.
But now, I'll stick with getting out of the car and opening it by hand as I see tons of problems with pets, magnets, batteries, power supplies, getting locked out, (squashed buckets) etc. etc.
At the moment, I have none of these problems and even get some needed exercise.
Good luck to all you non-engineers.

Originally Posted by balman

Hi, would you have the name of the company that supplied and installed the gate and motor please?

Hi Balman,
We purchased the gate motor and 5 sections of the gate rack from PT Supply Automaticgate PT Automaticgate – Leading in DC Motor Model RB1000
It was installed by the local village builder who also fabricated the 5.0 metre gate. The installation of the electrics was done by myself.
PT Supply provide very good technical support - Peter speaks good English 099 146 8228.
The motor came with the opening and closing limits already pre-set, which was a result of the sketch we sent them of the gate. Saved a lot of hassle in fiddling around with limit switches and creep-closing PLC's
I'd be happy to pay 57,500 for the work you've detailed above albeit the gate price looks low for a 5.0 metre gate. It may only be for a lighter gate. I'd want a motor with more grunt.
Once the gate ages a bit and the column and track alignment changes smaller motors struggle to handle a less than level / straight gate & track.

awesome, that's very useful info, thank you!
Will discuss re materials being used and look at higher powered motors.

Hi mate, just a thought - it seems that everything is fine except for the part they replaced (the sensor box for the magnet). Is it possible that water is getting into this box and corroding the sensors or impacting in a way to cause it to malfunction?
Is this an easy (DIYable) replacement part? If so, you can try to install a new sensor box but check for water ingress opportunities and silicone them if possible before installing.
Or before you splash out, just try and remove the existing one, clean out all sensors, contacts etc and see if that works - this would tell you if that particular part/circuit was at fault.

Originally Posted by Joe66

It was working for 20 times perfect, but sometimes, the stopsignal was getting lost, and the gate crashed during the closing process.

I think, I will also try another controllerboard, because the malfunction is only happening from time to time.

I haven't read the entire thread, so this may already have been suggested as a remedy.
If it were my gate controller, I'd try some Di-electric moisture displacement spray on all connections, limit / proximity switches.
Condensation due to high humidity can cause drop outs with electrics / electronics.
Note: Not WD40 as this degrades insulation over time.

The controllerboard was replaced by myself,
after an "animal attack"


https://i.postimg.cc/gjYrbRcK/gate-box.jpg

The old controllerboard was "baken" by the hive intruders, they find a way inside of the closed box.

I made this gate work again, with a new controllerboard, that I got from Lazada for 1.000 THB ( vs. 3.500 THB that the local gate service is charging, but you get a product with real guaranty )

The disadvantage, when you buy onlne, you never know the seller and the quality of the product,
so I can`t rule out, that the new controllerboard isn`t perfect.