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I have been having great difficulty getting a double relay working with a TV hoist (0V contacts) although the controlled device is probably not relevant. I realise that there is no detailed documentation and what I observe is complex and changeable. For example I required both relays to be on for say 30 seconds then switch off (one for up one for down). I have discovered that this forces "Momentary" press and "toggle" to be set. OK seems reasonable. Next I find that relay 1 does switch off after a time lapse but the Homecentre 2 device display shows the switch as ON. Relay 2 works differently in that the HC2 device display goes off after relay time period - very strange. Then I notice that if I send the relay 1 a turnoff command in LUA it doesn't turn the relay off it seems to turn the toggle switch off which because of the momentary setting, forces another relay on for 30 seconds cycle. So now I wonder if the fibaro:calls are working at different levels. Is the device value the relay position but the actions "turnOn" and "turnoff" apply not to the relay but to the button. What I need is some documentation about the device states and a full exposition of the actions. I just can't find the right level of documentation. The supplied data sheet is very densely printed but there is just not enough explanation of the actual functioning of say Parameter 13 or perhaps the English has lost something in the translation. The developers online documentation is great as far as it goes but I am looking for better documentation of the device software object values and actions in LUA. I am aware of the help provided in pointing at a device while coding in LUA on the HC2 but it doesn't tell me in detail what the expected values are. If someone could just point me, it would be great. As an aside have just bought an echo and installed the fibaro support and it is really good. I can say "Computer switch on the television" and the TV hoist lowers the TV from the ceiling. Unfortunately I haven't got the reverse action working yet! (Echo support would benefit from some definitive documentation as to what statements and functions are available. Hopefully time will provide.)