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Controller for garage door
Posted: Monday 13 May 2019 9:17
by galinette
Hi,
My garage door motor can be externally controlled by two potential free impulse switches, one for opening, one for closing. It also has two potential free relays for state feedback (fully closed, fully open).
I know I could use a FGS-222 or a FGBS-222. But as far as I know, they will show as four different, independent switches. They will not show as a nice shutter device, as we would with a FGR-222.
Is there any way I can make my garage door look as a single shutter device, at least for the two open/close output commands? Without relying on a dummy device and scripts.
Thanks!
Re: Controller for garage door
Posted: Tuesday 14 May 2019 9:17
by lost
galinette wrote: Monday 13 May 2019 9:17
My garage door motor can be externally controlled by two potential free impulse switches, one for opening, one for closing. It also has two potential free relays for state feedback (fully closed, fully open).
(...)
Is there any way I can make my garage door look as a single shutter device, at least for the two open/close output commands? Without relying on a dummy device and scripts.
Did you checked if your door allows a single switch configuration (usually by changing some DIP-switches on motor control board)? This is usually possible as installers then only have a single pushbutton to wire for local command (cycling open/close->stop->reverse...).
This would simplify remote control.
On my side, as was able to "domotize" my Hormann garage door using a single ZMNHND1 potential free single relay+single input module (I2, as I1 is hardwired for relay control if needed). Potential free relay was wired in // as local pushbutton and as this module allows 24Vcc power (as well as 220Vac), used internally by door motor+control board, there was no level problem sensing open/close status by configuring a 24V feedback on the status closed relay and everything fits inside the motor box, sharing it's power supply.
So full door control & closed reporting are done using a single module and 1 switch in Domoticz.
Take care that with a single switch operation (if possible for you) the close status reporting is really needed: As door movement depends on current door position/last movement, you're never sure to close pressing your remote switch if someone messed with local command (or included door remote).
So on my side I have a Lua time script that kicks-in if we are not at home (from alarm status) and the door is not closed and a PIR inside garage was not triggered for last 2mn. So if door was stopped while opening, it will be immediately closed. If door was stopped while closing, it will fully open then, next minute, script will kick-in again with trigger conditions still met and finally fully close the door. If we are at home, that's just some notifications.
Re: Controller for garage door
Posted: Wednesday 15 May 2019 8:49
by galinette
lost wrote: Tuesday 14 May 2019 9:17
Did you checked if your door allows a single switch configuration (usually by changing some DIP-switches on motor control board)? This is usually possible as installers then only have a single pushbutton to wire for local command (cycling open/close->stop->reverse...).
Yes, it does allow single switch operation
lost wrote: Tuesday 14 May 2019 9:17
Take care that with a single switch operation (if possible for you) the close status reporting is really needed: As door movement depends on current door position/last movement, you're never sure to close pressing your remote switch if someone messed with local command (or included door remote).
That's precisely what I want to avoid. I need a "close" command which I'm sure will close the garage, and not open it. Since the garage is completely out of sight I can't mess around and leave it open.
In your case, if the "door close" sensor contact is not working for any reason, the door will periodically open and close. That's absolutely not secure.
This is why I'm connecting it to a double relay. Technically everything works fine but I would like it to look nice in Domoticz with a "Shutter" device.
Re: Controller for garage door
Posted: Thursday 16 May 2019 3:03
by Dnpwwo
I control mine using a Global Cache. Both network devices and iTach can be controlled with a Python plugin (
https://github.com/dnpwwo/Domoticz-GlobalCache-Plugin). They aren't super cheep but are very reliable.
Show in Domoticz as Push Button On switches.

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Re: Controller for garage door
Posted: Thursday 16 May 2019 8:00
by lost
galinette wrote: Wednesday 15 May 2019 8:49
In your case, if the "door close" sensor contact is not working for any reason, the door will periodically open and close.
There is no true "sensor" contact here. This is the closed status from control board that is used, meaning door reached it's locked status. The one that can also be used to activate proximity sensors when door is opened to lock commands (on top of integrated torque limiting) or stop door if already moving.
So if this one fails, this means control board also fails then almost everything can happen (most probably controls will just be ignored & motor will not be powered while such fault remains detected). On the other side, the input mail fail but will default sensing closed position, not messing with command & such input is IMO much less likely to fail compared to an added relay.
If you want to avoid any added possible problem (on top of own door command faults), you're better forget controlling your door from Domoticz!
I don't think my solution is bad: Do not forget that if you don't use added sensors, the door control board auto-checks are already there to handle hardware faults.
Indeed, when not at home some specific schedules for vacations are activated (to handle minimal-heating for instance). This also stops some power supplies, including garage door one. The day before being back, schedules are set back to normal & door will work. That's an added security for door native radio remote that may also be hacked with much more probability than anything else IMO (impossible to get any info on how this works: Security by obscurity usually means bad security).
Re: Controller for garage door
Posted: Wednesday 05 June 2019 16:03
by galinette
I my case, the board has a true "close" sensor. When locking at end of course, a switch is physically setting the board in "closed" state, which closes an output relay that I can use with the Domoticz switch.
I have connected it with a FGBS-222 which fit perfectly in the extension board. I now have two command switchs (One for opening, one for closing) and one status switch (door closed) so it pretty much does the job.