Coral Box brand have released a line of return pumps as Coral Box DCA smart pumps. The line include pumps from 4000 l/h to 12 000 l/h. This pumps have a new controller that can directly be connected to an APEX computer with a separate cable - allowing 2 pumps be managing. I have test this controller with my P4 equipment too and it works very well - This is the way I did it.
The controller
The cable
Fix the cable
As break out box I chose a box that originally was produced for outbreak of 1-.10 V signals for LED lighting - the LBF-AP. I´m not sure its for sale any longer - I had some in my closet- been used in another application before. However - there is another more complete break out box from GHL - the
S-Port & L-Port Breakout Box that can be used in the same way
With the LBF-AP
The Coral Box DCA line also include DCA 1200, DCA-2000 and DCA 3000 pumps. I have one DCA 1200 for my bio filter and one DCA 2000 for my skimmer. I have test this controller with the DCA 1200 and DCA 2000. I did not get it to work for my DCA 1200 but ir works very good for my skimmer pump (DCA-2000). With the DCA 3000 - I have not tested
Sincerely Lasse
The controller
S-Port & L-Port Breakout Box that can be used in the same way
With the LBF-AP
Sincerely Lasse