Sync Thermostat Clocks

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Questions about hardware that can be controlled by Indigo (but not through the interfaces and plugins listed). If Indigo doesn't support some bit of hardware you're interested in, and you don't find a 3rd Party Plugin for it, add it to this forum. Be sure to include links to as much information as you can find about it.

Note: adding it here does not mean we're going to add it - in fact it's possible one of our 3rd party developers may decide to write a plugin for it. We add hardware/features based on a lot of different factors beyond just having a request for it.

Posted on
Sun Mar 08, 2020 6:36 am
DaveL17 offline
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Location: Chicago, IL, USA

Sync Thermostat Clocks

When I sync my Trane TCONT624 thermostats, Indigo sends a command to sync the internal clock with the server. This works as expected. If I remove (or lose) mains power the thermostat's clock is out of sync when power is restored and never seems to re-sync on its own (I have to re-sync the device in Indigo to set the clock). I can probably handle this with raw commands, but it would be helpful if Indigo could send a clock sync ping regularly to the thermostat (say once a day perhaps).

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Posted on
Wed Mar 11, 2020 3:34 pm
matt (support) offline
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Re: Sync Thermostat Clocks

Agreed Indigo should do this or provide the option to auto sync the clocks periodically. I'll add it to the request list. If you want to try to do it manually here is a code snipped that will help:

Code: Select all
indigodt = indigo.server.getTime()
byte1 = (indigodt.isoweekday() << 5) | indigodt.hour
byte2 = indigodt.minute
indigo.zwave.sendRaw(device=???, cmdBytes=[0x81, 0x04, byte1, byte2])

Image

Posted on
Wed Mar 11, 2020 5:22 pm
DaveL17 offline
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Posts: 6751
Joined: Aug 20, 2013
Location: Chicago, IL, USA

Re: Sync Thermostat Clocks

Thanks Matt. You've saved me the trouble of having to work this out. Hopefully, others will find it useful, too.

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