On Tue, 23 Mar 2010 17:55:32 -0500 "Ira Schneider"
<ira_schneider@Iname.com> writes:
> Ed,
>
> We were not trying to use five TPCs. We were only using four TPCs.
>
> The fifth TPC was left on the serial diasy chain because it was
> easier to leave
> it there than unhook it. I had no idea there was a limit of four
> devices on the
> serial port.
>
> We originally replaced the PowerMasters with TPCs because
> PowerMasters
> are not compatible with the sound system in early MTH engines (i.e.
> ProtoSound 1.0
> engines).
>
> Now, as I mentioned in my previous note, the Legacy Command Base can
> only
> control TPCs, not PowerMasters. So, we really don't have much
> choice.
>
> The other problem is that the PowerMasters are limited to 135 watts
> of power,
> which won't work with our current configuration. The TPCs can
> handle either
> 300 watts (our current models) or 400 watts (a more expensive
> alternative which
> we have not invested in).
>
> Since we only have four mainline tracks, and (normally four TPCs
> controlling them),
> there shouldn't be a problem with the serial bus.
>
>
> Ira
>
>
>
>
> ------
> TTAT members reflector.
>
>
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