[Hai-users] Omni II Clock adjustment

[Dan Barclay]

I’ve used both HAI and PCS switches.  I used mostly HAI, I’ve used PCS when I needed higher power dimming  (more than 600w).   I don’t normally dim from the switch, but by target setting from the Omni  or scene but I can also see that it would feel different.

LEDs dim differently, you’re probably aware.   They are more “straight line” rather than the curve of an incandescent.  The incandescent has a natural curve that makes the bulb itself less sensitive as voltage is lowered.

I’ve suggested a number of times that LED vendors would have been smart to duplicate the light output curve of incandescent (light and color), but they  just don’t.  Given that the LED market is now “commodity” rather than the early experimental/marketing stage I think it’s unlikely LED suppliers will change.  Even if someone came along now with that alternative it might be risky to go there.  There are “sharp edges” near the edge of the markets that can hurt you down the road, better to stay in the middle.

PCS has also offered paralleling resistors to reduce flicker at low light levels.  One day I’ll get around to trying those.  In the meantime I just set the light a bit higher than the very low dim I’ve used in some cases.

As to comparing HAI and PCS, I’m pretty sure that if you open them up you’ll find they’re pretty much the same.  I haven’t done any direct comparison.  Default settings of the HAI might be different to make OMNI interface more smooth but I haven’t examined that difference.

Dan


From: JACK and LYNDA CARNEGIE [mailto:shanadog at swbell.net]
Sent: Wednesday, March 15, 2017 7:22 PM
To: Dan Barclay; Mike Nolan; robert at surtees.com
Cc: hai-users at romaine.tssi.com
Subject: Re: [Hai-users] Omni II Clock adjustment

Which UPB switches do you like best.  I have some PCS X-10 Switches that dim perfectly.  I tried some Simply Automated UPB switches but they don't feel as good and I have difficulty setting the desired dim level from the switch.  They always seem to overshoot even with ordinary incandescent floods.  If that can be fixed with Upstart I haven't figured out how to do it.


I am curious if the HAI (Leviton) ones are better or perhaps the PCS UPB switches.  Of course they need to be compliant with LEDs since everything is going that way.


I would like to hear others' experiences.


________________________________
From: Dan Barclay <dan at barclaysoftware.com<mailto:dan at barclaysoftware.com>>
To: Mike Nolan <nolan at romaine.tssi.com<mailto:nolan at romaine.tssi.com>>; "robert at surtees.com<mailto:robert at surtees.com>" <robert at surtees.com<mailto:robert at surtees.com>>
Cc: "hai-users at romaine.tssi.com<mailto:hai-users at romaine.tssi.com>" <hai-users at romaine.tssi.com<mailto:hai-users at romaine.tssi.com>>
Sent: Wednesday, March 15, 2017 7:13 PM
Subject: Re: [Hai-users] Omni II Clock adjustment

I've been replacing my ALC with UPB.

There are a number of communication options to fall back on.  I scratch my head at wifi, but no doubt they're trying to be on the IoT bandwagon.

Dan

> -----Original Message-----
> From: hai-users-bounces at tssi.com<mailto:hai-users-bounces at tssi.com> [mailto:hai-users-
> bounces at tssi.com<mailto:bounces at tssi.com>] On Behalf Of Mike Nolan
> Sent: Wednesday, March 15, 2017 6:11 PM
> To: robert at surtees.com<mailto:robert at surtees.com>
> Cc: hai-users at romaine.tssi.com<mailto:hai-users at romaine.tssi.com>
> Subject: Re: [Hai-users] Omni II Clock adjustment
>
> > WiFi switches look interesting.  I've a house full of dozens
> of 20
> > year old ALC switches and they are all showing their age.
> Looking for
> > something that will get me another 20 years!
>
> Almost anything has got to be an improvement over X10.
>
> Presumably the wifi switches can be polled as well as
> switched.
>
> I wonder what the security issues are?
> --
> Mike Nolan
> ______________________________________________
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> HAI-users at tssi.com<mailto:HAI-users at tssi.com>
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