Re: Help with 7 Circuit Project?

["Brett Griffin" <brett@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

The average time it takes for X-10 Extended code (Leviton, PCS, Smarthome
and Others), or X-10 Compose (Lightolier only)take 3/4ths of a second.  The
basic X-10 code is shorter, I have never heard it being that short.

Radio RA was amazingly slow (relative to powerline carrier)  of course all
of this, you really only notice the delay when performing macros or stacking
commands.  Of course in all the technologies they have implemented scenes or
groups to affect many switches at once.  Lutron has repeater required every
30ft (may be 60ft after that  because they claim a 30ft radius) to ensure
every switch gets a signal.  Other reason Radio Ra is slow is the signal
must make a round trip, and delays sequential commands.

What the term "Professional" refers to in the industry are products like
Leviton DHC, Smarthome, Lightolier, and other higher end X-10 products.
These products have additional circuitry in them to make them more robust,
and more reliable.  They always require a neutral (with one exception
Leviton has one DHC switch that does not require the neutral).  They
typically carry a 2 year warranty, and have better support.  They are better
choice for installers who have to deal with the call backs for customer
support.

--
Brett Griffin, Home Technology Consultant

Architechtronics, Inc.
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p. (610) 825.7018 f (215) 827.5484

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"Dave Houston" <nobody@xxxxxxxxxxxx> wrote in message
news:42c624c0.147244963@xxxxxxxxxxxxxxxx
> "Brett Griffin" <brett@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
>>Other complaints of X-10 had to use a coupler/repeater and it is slow.
>>What
>>do you think Radio Ra uses, basically every 30 feet you need a device to
>>repeat the signal to get good coverage, and Radio Ra is as slow if not
>>slower than X-10.  Now I am not bashing Radio RA, it is a great reliable
>>technology, but it 3 times the cost of professional X-10 or UPB.
>
> The first copy of an X-10 signal takes 11/60 of a second (0.183333333
> secs).
> Elsewhere you've said UPB takes 1/5 second (0.2 secs). Do the math.
>
> Lutron's Radio RA uses RF which travels at 186,000 miles per second taking
> .00000030547 to go 30 feet. Are you saying that Lutron repeats the signal
> sequentially? (Z-Wave apparently does this so the time required between
> any
> two end points depends on the number of hops required.) Even in a
> sequential
> system, most of the total time will be from the length of the code itself
> and Lutron RA does use a ridiculously lengthy code. Crestron crams far
> more
> information into a very short code. Insteon appears to repeat both RF and
> PLC in realtime so the only time involved is the length of the code which
> is
> very short. (I do not have hands-on experience with Insteon so I may be
> misinterpreting things.)
>
> I'm not sure what you mean by "professional X-10". Most of the X-10 Pro
> modules I've seen have innards that are identical to the non-pro
> versions -
> the only difference (aside from price) being the logo on the case and
> terms
> of the warranty. Some recent modules appear to come only in Pro versions.
> UPB appears to cost 2-3 times non-pro X-10 list prices. Direct comparisons
> are difficult due to the lack of equivalent UPB devices.