Subject: From: Date:

Re: [ECS] Question About Light Control Using ECS Kevin Trainor Tue, 29 Aug 2000 16:33:31 -0500

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Joe, Mark:

Thanks for the advice.  I see how it works now.

Kevin

----- Original Message -----
From: <joerut@epix.net>
To: Kevin Trainor <kevin@thetrainors.com>; <ecs-list@netbloc.com>
Sent: Tuesday, August 29, 2000 3:14 PM
Subject: Re: [ECS] Question About Light Control Using ECS


> Kevin
>
> You will notice the command "IS NOW" in those events means it
> only happens ONCE in the scan when the ITEM state CHANGES.
>
> ex. If Time IS NOW 10:00PM
>
> This means this Statement is TRUE only at the TRANSITION from
> 9:59PM to 10:00PM.
>
> Hope this helps
> Joe Rut
>
>
>
> On 29 Aug 2000, at 13:53, Kevin Trainor wrote:
>
> > I have downloaded a trial copy of ECS.  As a proof of concept, I am
trying to duplicate the light control system that I am currently using that
is based upon the CM11A and ActiveHome.  When I look at the default light
control event coding that installs with ECS, I am a bit confused about how
it
> works.  The "Outside Lights" and "Inside Lights" events both appear to
send an ON command or an OFF command to their respective list of lights on
every ECS pass.  I'm wondering if this is standard coding practice for light
control or not.  Does this cause a steady stream of commands to be sent to
> the PLC interface?  Or, are they intercepted somewhere and not transmitted
because they are redundant?
> >
> > With my current CM11A/ActiveHome setup, I find that I often need to code
repetitive ON commands in order to make sure that certain lights in my house
do indeed turn on.  Is this coding technique simply an elegant way of
dealing with that problem?  If so, doesn't this techniqe pollute the
> circuit with a lot of unnecessary commands?
> >
> > Thanks in advance for your help.  I know that this is a simple matter.
But, I am just not figuring it out on my own.
> >
> > Kevin
> >
>
>
>

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