Konnected Pro on POE + AC = reset on powerloss -Anyone Else?

I tried contacting Konnected on this, but no answer. Must be too busy fund raising.
So I am asking here.
I had my Konnected Pro on POE only for about a year and had a problem with the siren cycling on - off - on. Konnected hinted it was current draw, but the siren worked from my old alarm system.
Finally on finding I could dual power the board I added the wall wart and the siren cycling stopped.
Later I found the new problem.
My POE comes from a Netgear POE switch GC110P and it is on a UPS as is all critical network gear.
Once when hitting a breaker for some wiring and again when the power went out I observed the Konnected Pro would reset. Repeatable.
Does anyone else have this?
Should I care? The Konnected Pro reboots quickly, but this still seems wrong.

Thanks.
Steve

It may be the UPS you are using is taking too much time between ac disconnect and dc power and the konnected is sensitive to that? One way to check is to meter the outlet where the connected is connected to and then throw the breaker (or pull the ups) and look at how much the power initially drops before battery kicks in.

I was not clear on the what the UPS powers and does not power.
On power loss, my UPS runs the modem, router, POE switch, Hubitat, and my DNS responders (PiHioles).
The Konnected Pro is 45" of wire away in the alarm panel in a closet and it does not have any sort of backup power other than the POE Ethernet wire from the switch. All the network hardware can stay up for at least 20 minutes based on a power outage we had in January.
I waited a year from time of order to delivery of my Konnected Pro. I could have ordered two of the original boards but wanted the POE capability and I was concerned about the WiFi signal in/out of the all metal alarm enclosure. Was really happy to get the Pro board. It was a lot of work to run that Ethernet wire to the alarm panel!
I guess I could buy a small battery like the one Konnected sells:

If I have to, I will, but I will be incredibly disappointed that the Konnected Pro can't simply run off the POE when the external source goes out. Maybe they never actually promised it would.
Still hoping to get an answer form them. Might subject another issue (squeaky wheel).
Thanks for the reply, I hadn't even considered I might need to add a UPS just for the Konnected Pro until I saw your response, I was totally hung up on the Pro board handling the loss.
Cheers,
Steve

I should have also been more clear. On the outlet the poe switch is connected to, meter that and see if there is a delay or severe drop in power temporarily when you pull the plug on the ups. If there is, that would explain it because your poe switch is briefly losing or at the very least going below it's power threshold to maintain POE which would momentarily drop your konnected.

Just an idea here but you might want to check how much current your Konnected alarm panel is pulling in total including all the sensors etc. You might just be a little to close to the limits of what your POE switch can deliver? Or everything is ok on that side and it's something else :slight_smile:

First, an apology to Konnected, my first issue submittal must have failed the other day.
I never got the acknowledgment email.
I did on the second try today.

Here is what the UI on the Netgear GC110P says on POE.


I see I am using 0.1 watt and have a capacity of 62 watts. If I can trust the display.
Konnected is the only POE device on the switch.
From that, I think the Konnected is remarkably low in power use. It was good to check.

Nice concern though.
Thanks,
Steve

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I'm not sure my digital VOM would provide fast enough refresh to show such a drop,
That is where analog meter and 'scopes come in handy. I have neither.
If I dare, I'll stick my DVM in the socket anyway.

I see no device disruption on my protected devices when I lose power. I know this from checking their uptimes after events. Nothing that is protected ever reboots. Not even the Konnected Pro when it just gets power from the POE switch.

That is why I suspect the Konnected depends on the 12V input when it is provided. It seems I need it to supply enough power to hold the siren relay open, but not for normal operation. This seems to be common as they hint at this.

I'm kind of leaning to just buying the Konnected battery backup solution. If I had known all this I would not have purchased the Netgear switch as my old non-POE switch was working fine.

Thanks,
Steve

I have the battery back up on mine and I've NEVER had a issue with it.

You have a nice clean installation.
Heard back from Konnected. Basically any power disturbance will cause a reset/reboot as I see even with POE and a 12V supply to the board.
Seems like poor hardware design or just we got it working and we're done engineering.
Or my expectation on using POE was too high.

It is not like the rare cause of AC power failure with a Konnected reset is a problem to worry about. The board comes back quickly and the Hubitat accepts the updates with no issues.
I likely will also get the !2V backup battery from them at which point the POE to the board becomes redundant and I will probably turn it off.

You might also try a better POE switch that doesn't interrupt power or dip causing the issue. Just an idea...

Rather than dual powering my Konnected board I only power it with POE but don't use the 12v out terminals for my sirens instead I use a relay and one of the following to get power from the transformer to the sirens directly instead, switching one of the wires with the relay.

That is an interesting idea. I like it!
The only reason I have the dual power setup is to solve the current limit on the Konnected Pro board siren trigger. The siren is almost inaccessible up in the attic and the alarm panel is on the first floor.
Right now my legacy keypad wiring is unused. I was going to use one of those little screw terminal adapters to power a 12V to USB adapter for a future wall mounted iPad or Android device.
Using an external relay makes way more sense than shopping for a "better POE switch".
If have to spend much more on this project to fix limits of the Konnected Pro, I'd rather invest in replacing the Konnected Pro. I am looking.
My next project is now to use a relay to solve the siren trigger issue and eliminate the dual power.
Thanks.

My typo above, that is 45 feet of wire, not 45 inches.

I wired in the relay last week and was going to move the siren to the relay output this morning.

In looking at the connections from the relay and 12V and the siren wires, I decided that getting the battery backup sold by Konnected would solve the original reset on power loss problem and keep both the siren and the Konnected operating under a power interruption. Two birds as they say. I ordered it.

Otherwise, on a power interruption the siren would cycle on and off under POE power and the Konnected Pro would still reset. So the the backup battery seemed like it would solve two problems and result in a more stable system.

I also ordered two DC Power Screw Terminals in case I decide to use the relay anyway and for the eventual pad device power wiring.

I bought the POE switch to avoid having multiple batteries and here I am with multiple batteries.
Can't win.

If your POE switch is on UPS then the Konnected Pro shouldn’t reset on power outage however if you want your sirens to work during a power outage the transformer would need to be plugged into the UPS also.

Here's the spec from Connected

  • Maximum 1A AUX output (including siren) when powered via PoE.

what's the spec on your Siren? And why is the siren cycling on power interruption?
Your are using dual power to stop the cycling is most likely your old siren is drawing way too much power from the Connected board.
One other way to use dual power from your Poe switch is to buy a Poe to 12v adapter and run another Ethernet cable to the Connected board. This way you get to keep the old siren and one less battery to worry about.

Something like this
https://www.amazon.com/WT-GAF-12v12w-802-3af-Splitter-Ethernet-Switches/dp/B017J8WJ5E/ref=mp_s_a_1_1_sspa?crid=26RLRJ0TPTTSS&keywords=poe+to+12v&qid=1650382304&sprefix=poe+to%2Caps%2C190&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEyTjVBRUtZVjE5MEZWJmVuY3J5cHRlZElkPUEwMzE1MTE1MkJEQTZJU0dNRUtDQSZlbmNyeXB0ZWRBZElkPUEwMzU4NTMyTUFBRUpTM0VPVVZBJndpZGdldE5hbWU9c3BfcGhvbmVfc2VhcmNoX2F0ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=

Al my network gear: modem, router, switch, Hubitat, and PiHoles are on a UPS.
The Konnected Pro board resets on any disturbance to power, like the AC adapter loosing power even when it gets power from the POE side. This was very disappointing.
The alarm panel is 45 feet of wire from the network hardware.
The existing siren in the attic does draw more power than the Konnected board allows. It is plenty loud, secure from tamper, and hard to access. So I let it be (for now).

I have no idea how much current the siren is drawing, clearly more than the Konnected Pro likes. It was installed by the alarm company via the builder in 1997.

When powered from the POE wire only, the siren goes on for 2 seconds, off for 2 or 3 seconds, and repeats. With the 12V input to Konnected, it does not cycle. So I added the 12V adapter and suffered from the Konnected Pro reset problem when the AC goes out. I could ignore this, but I can't.

I'm just going to add the little doofus battery and hope this clears both issues with Konnected.

Already expended too much money and time into this solution and Konnected in general.

A neighbor who put in Konnected Pro and Hubitat this year claims he does not have the problem.
Don't know if his house has a different siren or what.

I purchased the Konnected.io Backup Battery to provide alternate power to the siren using the relay.
Wired it up but can't convince myself the relay is tripping from the Hubitat Devices page.
I won't move the siren wire to the relay output until I am happy with my control over it.
This is something I need to get right in Hubitat.


The siren will connect to the terminal block right top (ground) and bottom (12V) when ready.
Using the devices page on my iPad sitting on the floor in the closet, tripping the alarm causes the Konnected Pro to reset. I suspect my on-off-on siren cycle is the board reseting after two seconds, booting up, and the alarm resuming and starting the cycle up again.
I may have to replace the siren or its wiring in the attic. Not going to be fun.

Closing note. It works.
The battery only operated the siren, I have the outlet on a Zgibee switch and turn the outlet on 3 days a week for two hours to keep up the charge.
For anyone finding this, some advice.

  1. Wire ground through the relay not 12V, advised to do this by Konnected.
  2. If you are using OUT2 make sure to set the two position switch to OUT 2.
  3. On the relay board, move the jumpers to HIGH. Alarm on closed relay.
  4. In Hubitat, configure as siren/relay and set to HIGH tigger, i.e. turn Low Level Trigger to OFF.
    I think this now solves all my issues with Konnected, POE, and 12V power.
    I did not have to mess with the siren in the attic.
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