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THE WIRELESS WISHLIST
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Intelligent Self-Testing
"I
wish I really knew what was happening with the
E-matches out in the field. Did I put too many
in the string? Can I trust the continuity check?
Will the batteries die just before the show?
This is the stuff I sweat over just before the
show."
In
our Reliable Wireless system, all of the information
about the show is preloaded into the Firing
Modules. Preloading events allows more intelligent
self-test, continuity test, etc. In distributed
processing, each firing module is a master
controller - it knows what and when it's going
to fire; it knows the number and configuration
of other elements in the system; it knows
exactly what will be expected of itself when
the show starts. With this information it
can do more accurate self-tests, better continuity
tests, and it can help bridge communications
between the Command Module and other devices.
For example, if a module determines that it
never has more than 3 E-matches to fire in
series, it can automatically lower the charge
on the capacitor bank from 30 to 12 volts,
providing longer life to the capacitors. If
cues 20 and 31 are not used, you don't have
to check them; the firing module will accurately
test the cues that are to be fired for continuity,
and test the ones that are not to be fired
to make sure they are open. If all are correct,
it just transmits a single OK back to the
Command Module. The user is only bothered
if there's a problem. The system also constantly
monitors its battery status and warns the
Command Module if it begins to drop below
two hours remaining. The user can check for
current battery life on any or all modules
at any time.
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