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 Posted: Thursday Feb 25th, 2010 06:39 pm
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rodime
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Hi,

I would like to know the best way to control Homeeasy RF devices (sold by B&Q) by Comfort. 

Is there a way that comfort can learn RF signals and transmit them much like you can with the RIO for IR?  That would probably be the most efficient way.

Alternatively, there is an RF transmitter by RFXCOM that can be controlled by Homeseer which can be controlled by Comfort via UCM Ethernet using the Homeseer Comfort plug in.  But that would require a PC.  And it seems a very round about way to me.

I was considering CBUS wireless, but if above can work, the cost of a cheap PC would still work out to be much less than CBUS wireless switches.  Homeeasy is also cheaper than X10.



 Posted: Friday Feb 26th, 2010 11:17 am
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palmlodge
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You should read this thread - same question I've asked

http://comfortforums.com/forum47/1758.html

HomeEasy (and the other RF based units) would appear to be a better solution that X10 , which is very prone to line issues, and ZWave has a serious flaw in it's protocol.

As you say, the units are cheap too and plentiful. Consumers are more likely to enter into the automation market with the HomeEasy type devices than any other.

Last edited on Friday Feb 26th, 2010 11:19 am by palmlodge



 Posted: Sunday Feb 28th, 2010 12:59 am
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slychiu
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A UCM with selectable baud rate 2400, 4800, 9600, 19200 baud is available for those who would to try this interface



 Posted: Sunday Feb 28th, 2010 04:39 am
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palmlodge
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With 2 stop bits ? If so, is this a firmware update ?

Last edited on Sunday Feb 28th, 2010 04:39 am by palmlodge



 Posted: Monday Mar 1st, 2010 07:39 am
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palmlodge
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Interesting - so your new firmware will handle this extra 'pause' ?

Would Cytech be willing to test this directly first ? A USB + RS232 board from RFXCOM would be 116 Euros

Last edited on Sunday Mar 7th, 2010 10:44 am by palmlodge



 Posted: Sunday Mar 7th, 2010 10:44 am
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palmlodge
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Is that a no ? :-)



 Posted: Sunday Mar 7th, 2010 11:25 am
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slychiu
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If anyone has these boards and a need for them then we can supply  the firmware for testng
The rfx com boards are not sufficient for us to test as we need the Homeeasy kit etc



 Posted: Sunday Mar 7th, 2010 12:04 pm
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palmlodge
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I can supply you with a homeeasy module - they are only US$5 each !



 Posted: Sunday Mar 7th, 2010 12:33 pm
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slychiu
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I will let you know when we are able to test that as we have a lot of projects on our plate at thge moment



 Posted: Saturday Jan 29th, 2011 07:06 am
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palmlodge
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Did we get anywhere with this ? Will the modified firmware and/or the new U-UCM be able to control 4800bd, 8 bits data, no parity, 2 stop bits ?

I'm keen to expand the 433mhz device network and I need to be able to allow Comfort to control it. The list of devices are :

*

X10 lighting,
*

X10 security,
*

Digimax
*

RFXSensor,
*

RFXPower,
*

RFXMeter,
*

KlikAanKlikUit,
*

Chacon,
*

ELRO AB600,
*

DomiaLite,
*

ByeByeStandBy,
*

NEXA,
*

Proove,
*

Intertechno,
*

Düwi,
*

Harrison electrical curtain,
*

HomeEasy UK,
*

HomeEasy EU,
*

Ikea Koppla,
*

Flamingo,
*

ATI Remote,
*

Robocam/Ninja,
*

Waveman.



 Posted: Saturday Jan 29th, 2011 07:52 am
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ident
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Where is the information of RFXCOM Rs232 interface and the protocol?



 Posted: Saturday Jan 29th, 2011 08:30 am
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CYMD
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when talking about RS232 stop bit, sometimes we can see 1,1.5,2 stop bits, that means the level of stop bit maintain timing is 1, 1.5 and 2 tims , actually all RS232 stop bit is 1



 Posted: Saturday Jan 29th, 2011 08:32 am
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palmlodge
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http://www.rfxcom.com/index.htm



 Posted: Saturday Jan 29th, 2011 08:49 am
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ident
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There does not seem to be aby info on Rs232 interfaces or stop bits on that link



 Posted: Saturday Jan 29th, 2011 08:58 am
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bs85
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All technical info has been removed from the RFXCOM site.



 Posted: Saturday Jan 29th, 2011 09:05 am
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ident
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CYMD wrote: when talking about RS232 stop bit, sometimes we can see 1,1.5,2 stop bits, that means the level of stop bit maintain timing is 1, 1.5 and 2 tims , actually all RS232 stop bit is 1The problem is that these devices may expect 1.5 or 2 stop bits from the transmitting device but if the transitter is only capable of sending 1 stop bit before the next character, then it may not be received correctly and cause a frame error

If the receiver expects 1 stop bit then 1.5 or 2 stop bits is OK.




 Posted: Monday Jan 31st, 2011 09:50 am
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palmlodge
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I believe RFXCOM are now in discussion with Cytech. IMHO, this "reverse" X10 RF protocol is one of the best - and my whole house is CBUS.



 Posted: Monday Jan 31st, 2011 11:57 am
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slychiu
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Yes we are talking with RFXCom directly now



 Posted: Thursday Mar 3rd, 2011 01:51 pm
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palmlodge
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Hi

As you have the RFXCOM interface now, have you had any success in purely sending the commands from the UCM to the HomeEasy devices ?

Thanks



 Posted: Friday Mar 4th, 2011 12:41 am
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slychiu
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We can send the commands to RFXcom and receive the commands, but still studying how the interface should be handled



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