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Re: Would This Work?
They're called Senior Moments. Treasure them while you can still
remember them.
> "Dave Houston" <nobody@xxxxxxxxxxxx> wrote in message
> news:44286261.283069093@xxxxxxxxxxxxxxxx
>> Whether intentional or not, once the transceiver receives/decodes
>> the RF, it sends it to the powerline (after waiting for a positive
>> ZC if unit 1 or 9).
>>
>> If on opposite phases, for units 1 & 9, one will lag the other by
>> 1/2 cycle (1/120s or 8-1/3ms) which guarantees a powerline collision.
>>
>> I doubt you are able to discern an 8ms difference in the relays
>> activations. If you can detect a time gap, there are two
>> possibilities. Either there is a space/time loop (unidirectional, of
>> course) between the transmitter and one transceiver or one of them
>> is receiving a weaker RF signal (or has a weaker receiver) and
>> cannot decode the first copy. The first copy (or copies) will still
>> affect the gain and threshold so that it might be able to decode a
>> subsequent copy. Copies are sent at ~108ms intervals. As much as I
>> like the first scenario, I suspect the second scenario is more
>> likely in that the second scenario doesn't require opposite phases.
>
> (goes to check to settings and PIC codes)
>
> There's a third explanation!!! Hmmm, color my face red. The module
> controlling the powermid in the bedroom is an appliance module. I
> just moved the damn very heavy bed to make sure of the PIC version of
> the TM751 and miraculously, it morphed into an appliance module
> before my eyes! Damn that X-10!!!
>
> I guess my item/location database was wrong. Thanks for not calling
> me too big of an idjit. D'oh. The delay I heard was the TM751
> receiving the RF and clacking on and then putting B1 on the powerline
> via the appliance module. That's a delay that's quite apparent. Oy,
> do I feel dumb.
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