cdepaola Posted January 18, 2014 Share Posted January 18, 2014 Stupid Question Alert: Ok I just ordered a Somfy Dry Contact Interface which has four wires, Red Black Green White. Green is the Common and the three other color control Up, Down, and Stop. So if I put the Red, Black, and White on the NO Contact 1,2,3 of say an HC800 or an Axxess Relay/Contact do I then just pigtail the Green (com) wire into each of those contacts? I'm guessing yes Link to comment Share on other sites More sharing options...
Cyknight Posted January 18, 2014 Share Posted January 18, 2014 Yes. Mind you, C4 only supports dual relay blinds, not 3 relay. I'd check in the setup if a second pulse to up/down doesn't stop the blind as well. it does on some, or you'll need to program around things for a stop function. Link to comment Share on other sites More sharing options...
boardercam Posted June 24, 2014 Share Posted June 24, 2014 Yes. Mind you, C4 only supports dual relay blinds, not 3 relay. I'd check in the setup if a second pulse to up/down doesn't stop the blind as well. it does on some, or you'll need to program around things for a stop function.I have one that only has 3 wires. I assume one goes to the power supply (240v) and the other two go into the back of a card access or HC800. Does anyone have a diagram of their somfy 240 motor and control 4 connection? Link to comment Share on other sites More sharing options...
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