View Full Version : controlling a solenoid with 1-10v output
smaascott
08.12.2011, 00:30
I have a 12v solenoid that I want to use with my controller but I don't want to have to use an outlet on the power bar. I have wired the solenoid so I can plug it into a 1-10v output on the controller but I don't know how to program the controller to activate the solenoid. I have tried setting the 1-10v output to function as a pump control that is at a 100% and it did open the solenoid but I am unable to assign a float switch to turn it off. Any ideas?
This can´t work. It destroyes your L-Port, so drop that. Use a socket as foreseen
Antipodes
08.12.2011, 08:36
This can´t work. It destroyes your L-Port, so drop that. Use a socket as foreseen
Very wise advice. Max current draw on the L port is minimal and a solenoid current draw will fry it for sure.
smaascott
09.12.2011, 01:45
the solenoid only draws 20mah, what is the max current supported on the L port? Is there any other way to connect a 12v solenoid without using an outlet on the power bar? Thank you for the replies!
Antipodes
09.12.2011, 02:46
the solenoid only draws 20mah, what is the max current supported on the L port? Is there any other way to connect a 12v solenoid without using an outlet on the power bar? Thank you for the replies!
Max 10 to 15ma per socket according to this linkhttp://forum.aquariumcomputer.com/showthread.php?L-port-current (http://forum.aquariumcomputer.com/showthread.php?837-L-port-current&highlight=current+port)
Then also consider that you should calculate a 10 times current draw for inrush current draw on initial start.
Definitely a no go.
You could look at some of the lighting control modules which have switching which is activated from the L port. But have not used or played with these so can't offer any solutions there really, except to have a look yourself.
Or if you are really serious and know your electronics you could build your own relay system which is activated from the L port. You would need to get more data from Profilux on this as you would need to know how the L port is activating a switching signal and then build the module using a programmable chip and maybe some software.
Of course the cost and time of doing this, it would probably be easier to buy another power bar!
smaascott
09.12.2011, 03:30
haha yes it is easier to just buy another power bar but it is not as much fun! I was just curious how a solenoid could be integrated into a profilux controlled system. Thanks for all the replies and information! I guess I will just use my solenoid on a 110v outlet for now :)
Buy the EVG-AP-2F board, use the relay part of it.
0% dimmming = Relay off
1% or above = Relay on.
The relay on the board is rated for 10 amps i think.
Good thread here.
http://forum.aquariumcomputer.com/showthread.php?894-How-to-connect-ATI-PM-Dimbar-to-EVG-AP-2F-HIC
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