Two hubs controlling one Zwave switch?

I am going to migrate an older Vera system to Hubitat. There are a couple devices that will stay behind on the Vera system but I’ll want to control them from both Hubitat and Vera.

Is it possible to pair a Zwave device to two controllers at the same time? I don’t think so but I thought I’d ask here.

Failing this is there a scheme where I could have a virtual switch on each controller and they mirror each other? If one changes so does the other…

Any suggestions welcome. I need a way to share some states across the different hubs.

Not under normal circumstances.

There are some unusual situations, like a Hubitat hub migration, when both the old hub and the new hub can control z-wave devices paired to the old hub.

Or, if using two Hubitat hubs, Hubitat's Hub Mesh can allow the second Hubitat hub to control devices that are really on the first hub. So, in that situation, yes, two hubs (both Hubitat) can control the same switch.

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No - Not normally, the Zwave spec supports a concept of a secondary controller - See: Purpose of a secondary controller - forum - But to my knowledge, neither HE nor Vera support such a configuration.

if you can replace the device in question, matter supports the concept of multi-admin controllers (up to 5?), and HE plays nicely in such a configuration. - I sort of doubt that Vera supports Matter, so not sure the above is particularly helpful - But thought I would bring it up as a possible technical solution. - And yes, in a Matter multi-admin approach, state is shared with all the controllers - Any update from one, or even manual changes on the device, are reflected on all the controllers.

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No, only if you have a secondary controller setup as explained above, likely not supported by Hubitat or Vera.

I don't know of any Hubitat <> Vera integration where they can talk to each other, so also No.

Thanks for the reply’s. As crude as it sounds I’m thinking of using two Zooz ZEN52s with relays of one connected to switches of other. And have one paired to Vera and the other to Hubitat. Then set up units ZEN52 so switches are separate from relays.

Seems a lot of work just to transfer two binary states between controllers.

Can you create rules (or whatever they call it) on Vera that post to an URL?
If so, you could have it hit a RM endpoint to trigger stuff in Hubitat.


Hmmm... looks like you can connect Home Assistant to Vera somehow and bring its devices in. If you go that setup then you could use "HADB" to bring the devices over to Hubitat from HA.

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What are the devices? Maybe there are replacements that are directly controllable with Hubitat.

Hi,

If you do not want to go full Home Assistant right away you can also try Reactor (Reactor - Multi-Hub Automation). It talks to Vera and Hubitat so you can make automation rules with devices on both platforms.

Cheers Rene

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I'll take a look. I am pretty sure you can write LUUP scripts in "scenes" which would post to a URL. In my case Vera would be the slave to Hubitat so I'd need to know how to get Vera to receive a post from Hubitat. I think that would entail some code to periodically poll Hubitat from Vera which would probably work but comes with the downsides of a polled mechanism.

My most pressing use case is to be able to arm and disarm my monitored alarm system from Hubitat. Today Vera does this with a Ademco panel (LUUP) plug-in and a AD2USB panel interface. It has worked for several years flawlessly. My plan was to migrate everything off of Vera to Hubitat and just leave the alarm panel functionality in Vera, A clumsy interface for sure but I know it works.

I have ordered a Envisalink 4 interface but it requires I provision a keypad at address 18 in the Honeywell panel. Unfortunately this isn't trivial as the monitoring company locks the panel from user meddling. I know there is a back door way to get into programming mode of Ademco/Honeywell panels but I also read if the service provider sets a anti tamper feature the backdoor method can "brick" your panel. So that sounds dangerous.

My AD2USB interface is setup for keypad address "01" and as previously stated it works fine. Unfortunately Envisalink doesn't allow you to set keypad address as 01 !?!?!!!! If it could then I wouldn't have to touch my Ademco panel setup. Not sure why such a constraint was put in Envisalink but it seems unnecessary.....

Ironically I have an iPhone app in my phone to turn on/off the alarm (I have cellular modem and broadband (ethernet) connection to my alarm panel) but they don't publish an api to allow other apps to gain access to that functionality...

So now you know more than you probably want but maybe someone has been down this path b4 and has a way around some of the constraints.

Anyone know how to hack a Envisalink 4 to set its keypad address to "01"?

If it is just about the alarm panel then yes, some custom Luup is an option too. Better than adding a third system. Cannot help you on the alarm panel, never used one.