From: Rekow Warren <warren_rekow-AT-speedyquick.net>
Date: 03 Jul 2009 14:55:40 UTC   (08:55:40 AM in author's locale)
To: xtensionlist-AT-shed.com

With the settings of 'continuous' and 'sounder only' a Universal
Module (UM506) will produce a continuous string of beeps after
receiving just a single X10 'on' signal. Perhaps a UM could be hacked
to control a siren (via a relay) in place of the UM's own sounder?

Or instead, wire the output terminals of a UM (set to 'continuous',
'relay only') to a timer (555) circuit plus relay to control a siren?
Warren

On Jul 3, 2009, at 8:07 AM, Jack Stewart wrote:

When my security system sees an alarm condition, I want to control
multiple PH508 Powerhorns and with X4X. These require a stream of
turnon's and turnoff's to make them function. When I use X4X to send
the on's and off's via a script I encounter two problems:

1) After a few seconds of transmission, X4X overloads with
collision errors and locks up so that the only way I can stop it is
to crash the X4X application. I don't know what would be the best
scripting approach to solving this.

2) I am unable to break into X4X with, for example a unit change
of state, while it is transmitting a series of on's and off's.
Apparently any such continuous transmission must have programmed
pauses in it to allow X4X to multi-task. What is the best way to do
this?

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