ᐅ Electric gate opener, doorbell, and release all on a single cable

Created on: 19 Jan 2022 01:31
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Andre77
Hey,

I hope you can help me solve my problem. Maybe it’s quite simple...

I have an electrical cable under the paving in the driveway that was originally intended for an electric gate. If you use a double-leaf gate, both leaves need to be powered. So, I assume you can run the existing cable to the first gate post, then branch it off to the second post. I hope my thinking is correct so far?

Now it gets a bit more complicated. If there is a doorbell on the gate, it also needs power. I got a Ring Doorbell Pro, which – as I found out – can be powered continuously via a power supply instead of having to replace the battery whenever needed. The idea would be to tap into that same cable to provide continuous power to the Ring, and inside the house there would be a chime that rings when someone is at the gate.

I noticed that many gate openers operate on 24V, which is also what the Ring requires, as it comes with a transformer for the electrical panel (distribution board). So if you connect the Ring to the gate opener, you wouldn’t need to install the transformer in the electrical panel. Additionally, I’m thinking about installing an electric door strike for the gate’s pedestrian door that could be triggered wirelessly to open it remotely from the house...

Maybe you have other suggestions?

Thanks in advance!
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gmt94
19 Jan 2022 15:20
The problem is that the drives are just simple motors. This means the motor receives power and runs until the control system cuts off the power. There are systems like mine that have one phase for opening and one phase for closing. Additionally, a neutral conductor is needed to allow current to flow. In my setup, only one phase is activated for the respective movement at a time. With this configuration, you can control at most one sash and one device.

There are also systems that have only one phase and one neutral conductor. As far as I know, phase and neutral are swapped inside the control unit; otherwise, the motor wouldn't know which direction to run. With this setup, you can operate a one-sash system plus a device or just a two-sash system.

I hope this explanation was clear.
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Andre77
19 Jan 2022 15:30
Um... not really...

What exactly do I need to consider to be able to operate both gate leaves, supply power to a doorbell, and possibly an electric door opener at the gate?

Here’s a question right away: Does anyone know of a product that allows the door opener to be activated wirelessly?
11ant19 Jan 2022 15:45
Is the gate even installed yet? Otherwise, instead of two leaves, you could possibly use a folding gate...
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
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gmt94
19 Jan 2022 15:48
Let's ask it differently...

Where should the control unit be installed? In the garage or the house? If you naturally attach it to the gate post, the cables should be long enough.
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Andre77
19 Jan 2022 16:04
So the gate does not exist yet. Next week, a fence installer from a neighboring country will come by to take a look on site. So currently, I’m trying to figure out what I need to consider.

The control unit (the "small" box?) should somehow be mounted on the post or next to it on the fence panel, depending on what is possible. The cable, which is currently running outside (in front of the house) under the pavement, will need to be routed up to the gate (post).

The post will also supply constant power to the Ring Doorbell from the outdoor cable, as well as the electric opener for the gate. So everything is close together.

From this post, another cable will have to go under the pavement to control the other post (second gate leaf). It would be ideal if there were a gate that could be operated from just one post (not a sliding gate). A single leaf gate would be too big. My driveway is about 6.2 meters (20 feet) wide. I have seen double-leaf folding gates. I would like the gate including a pedestrian door to cover the entire width of the driveway, while keeping the swing area of both leaves relatively small to avoid losing parking space behind.

@11ant a single-leaf folding gate? Sounds interesting, as it would eliminate the need to run a cable to the second post, I assume?

Ultimately, it’s also a question of price...
rick201819 Jan 2022 16:22
Is the cable not installed in a conduit? Then you could simply pull in the additional cables you need.
The gates usually only require power. Remote control via radio frequency is integrated. For doorbell/video or external control, you will need additional cables.