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Hi Labium, sorry, I can't help you with your Homeseer programming. There is a piece of software from Somfy called the RS485 Framebuilder but it is only beta. If I find a copy I will send you a copy if I can. added file: http://files.domoticaforum.eu/Somfy/RS485FrameBuilderSetup.1.1.1.33722.zip HTW

A note for Labium who mentioned his USB - RS485 converter. The one that I use with no problems is the FTDI Chip version part number USB - RS485 - WE - 1800 - BT and was supplied by Somfy. Rene, I agree - 550 Euros is a lot but you do get 16 channels of control (< 35 euros a channel) with encryption,...

Hi Rene,

in the UK the price is about 500 - 550 Euros.

HTW

Hi Labium,

I just found and downloaded your file Somfy posted 19 April. It's helped me to see that I am heading in the right direction! Many thanks.

HTW

Hi Labium, I think that the open program frame allows for different length frames of frame. The frame is made up of: Byte 1 Message, e.g. CTRL_POSITION i.e. 80h Byte 2 Length of frame. This can vary because the data value within the frame varies from 1 byte to 3 bytes, e.g. for CTRL_POSITION message...

Hi labium, you might have a point there as I am a reseller. It did not occur to me that the RS485 Demo Tool Kit was only available to resellers and I have not been informed of any restrictions. No, I don't know why other converters don't work with the Somfy kit. Do you know if the 'other' converters...

Hi labium and Bwired, I agree with your comments regarding the lack of info from Somfy but to be fair they have a lot of products to support and they are going in so many different directions that they probably don't have the staff available. In the UK the staff do a fantastic job. The same goes for...

My German sports car has 433.92 MHz for Europe and 315 MHz in the US.

HTW

Hi Labium, many thanks for your experiences with the RS485 RTS Transmitter and the manuals that I have not seen before. Did you know that Somfy make a USB to RS485 lead and they sell it with a memory stick that has a RS485 demo prog on it? The part number is 9016868 and it is called RS485 Demo Tool ...