[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

Re: X10 Control Question



I think CM12 is "European" CM11 - at least that's what I have read.

Paul
"tparent" <tparent@xxxxxxxxxx> wrote in message
news:1112127709.790892.200110@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> CM11 is a two ways ASCII to powerline interface and has the ability to
> execute in "stand-alone" (without being connected to a PC) stored
> macro.
> For me CM12 is a synonym of CM11 (but should be confirmed by true
> guru).
>
> PL513 is a one way powerline interface (sending).
> This interface has no "logic" inside. It means that he is unable to
> convert one  protocol to an other or store and execute macro like the
> previous one.
> At least, three wires are required. Ground, Zero detection which
> provide a pulse when the 0V point is detectect on the 110V sine curve,
> and TX, which pulse an X10 "bit" (5V) when TX is high.
> All these cable are insulated from the powerline through optocoupler.
> As you guess, trying to program the correct "pulse" sequence to send
> X10 command (in binary) could be a hard work and is not (at my point of
> view) suitable for communicating between PC-MAC programs and powerline
> but more dedicate to interface your own electronic (like PIC
> controller) with PLC.
>
> TW523 is a two ways version of the PL513 (means could act as recevier
> and sender).
>
> Just for info, CM11 implement something looking like a "collision
> detection" protocol, which increase the overall reliability of X10.
> TW523 does not and seems to be unable to provide this functionality to
> the upper application layer).
>
> Hope it helps
>
> Thierry
>
> hi ho wrote:
>> Further to my post - the rain8 is meant to work with an XM-10 power
> line
>> interface, I think my controller uses a TW523 Powerline interface.  I
> also
>> note mention of a CM11 interface.  I hope this extra info helps.  As
> an X10
>> newby, what is the difference between a CM11, a cM12, a PL513 and TW
> 523
>> powerline interfaces ?
>>
>> Thanks in anticipation
>>
>> "hi ho" <someone@xxxxxxxxxxxxx> wrote in message
>> news:lP52e.16272$C7.12596@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>> > I have an automation controller that can control powerline X10
> devices by
>> > connecting a Power Line Interface (PL513 or TW523) with a supplied
> cable
>> > with RJ11 connectors on each end that plug between my automation
>> controller
>> > and powerline interface module.
>> >
>> > Now the query, what serial communication protocol is used between
> the
>> PL513
>> > and my automation controller.  Reason is that I do not really want
> to
>> > control using the powerline option due to reliability issues -
> rather
>> > connect say a Rain8 X10 device (that is normally connected to the
>> powerline
>> > via TW523 like my automation controller) directly by cable to my
>> automation
>> > controller.  Indeed can you daisy chain say two Rain8 or more X10
> devices
>> > (with different X10 addresses) on a single cable like you can RS485
>> serial.
>> >
>> > BTW - the Rain8 is a device that provides 8 analogue switched
> outputs
>> under
>> > X10 control for sprinkler control.  It seems logical to my mind
> that you
>> > should be able to directly connect the automation controller and
> the
>> Rain8 -
>> > as both use the Powerline Interface Modules to communicate via the
> power
>> > line carriier.
>> >
>> > Hope some expert in X10 can help.
>> >
>> >
>




comp.home.automation Main Index | comp.home.automation Thread Index | comp.home.automation Home | Archives Home