RE: xPL cm11 Service

["Neil Wrightson" <neilw@xxxxxxxxxx>]

Hi John,

Seasons greeting to you and your family.

Could you perhaps shed some light onto my original question in this current
thread.

- How do you set the COM port for the MEDUSA xPLCM11 Service?

All so how would you tackle my Pool_Pump problem?

Do we have a season variable? This I guess would be dependent on your
longitude and latitude.

Regards,

Neil Wrightson.


> -----Original Message-----
> From: John B [mailto:home-automation@xxxxxxx]
> Sent: Saturday, 24 December 2005 8:26 PM
> To: ukha_xpl@xxxxxxx
> Subject: RE: [ukha_xpl] xPL cm11 Service
>
>
> Hi guys,
>
> > Removed the execution times from the determinator and added a
> > event that called the determinator. This turned on the light.
> > :)
>
> Glad you've got it sorted.
>
> The time input conditions are more suited to when a determinator is
> being triggered by an incoming xPL message.
>
> E.g. suppose you had a PIR movement sensor that send out an
> xPL trigger
> message each time it sensed movement.
> You could create a determinator with two input conditions:
> Time > 8PM and Time < 8AM.
> That way the determinator would only run between 8PM and 8AM.
>
> But if the only thing that is going to trigger your determinator is a
> timed event, then there's no need to have any input conditions.
> Hope that clarifies things.
>
> > Now three questions
> > 1) Why does the event scheduled for 19:31 actually start at
> > 19:31:40 (40 seconds later)?
>
> At the moment the timer resolution is only accurate to within
> the chosen
> minute.
> So the event could run any time between 19:31:00 and 19:31:59.
> This is something that has been on my "Wouldn't it be nice
if..." list
> for a while now, so I'll try and take a look at it over the
> weekend and
> see if we can improve the accuracy.
>
> > 2) Why does the event not retain the "End Time"
> > 3) How do I use the "End Time"
>
> If you only want an event to fire once (e.g. every day at
> 8PM) then your
> start and end times will be the same, and essentially the end time is
> never used.
>
> However, suppose you wanted an event to fire at 30 minute intervals
> between 6PM and 9PM, then you would set your start time to
> 6PM and your
> end time to 9PM, and set your interval to 30.
> The event would then execute at 6.00, 6.30, 7.00, 7.30, 8.00, 8.30 and
> 9.00.
>
> So the end time is used when you want your event to run
> regularly during
> a specific time period.
> For example, every 30 minutes I run an event that logs temperature
> values to a database, so I set the start time to 00:01 and
> the end time
> to 23:59, and the interval to 30.
> The result is that the event runs every 30 minutes, all day.
>
> HTH,
>
> John
>
>
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