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Join Date: Sep 2007
Location: Give a monkey a brain...
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Lutron HomeWorks QS is the most flexible, most advanced, and most expensive lighting control system.
You'll need to partner with a dealer, or become a dealer (training required) to get programming software.
Options for QS include centralized control of home-run loads (to replace multiple gangs of dimmer with a single keypad), dimmers and keypads on an RS485 bus, RF dimmers/keypads, occupancy/vacancy sensors, and an impressive variety of keypad configurations and designs.
If you don't have the time to figure it all out now, then you can hire a dealer for the design work.
The lighting controller doesn't communicate with the dimmers and keypads via RS232. Controllers can communicate with one another via IP, 232, and contact closures. Dimmers and KPs communicate with the controller via RF or on the RS485 bus (I think it's a 2 pair specialty cable, 1 pair for power and the other twisted pair for 485 control, not sure of the shielding).
Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense. -Buddha
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