This is the response I received last week from RLSS (yes I know they have been promising this for over a year now)
"Thanks for your interests in our products.
We hope to give Neptune the 3rd prototype for the "Apex-ready" controller next month so that they can verify the one a.s.a.p..
The controller was behind our schedule we will need to support 0-10V analog controller and RS232 as well. And the main broad is upgrading too.
Should you have any question, please let us know, thanks.
Best regards"
Eddie Ye
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H2O SYSTEMS INC.
www.rlss.ca