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witch Profilux do you have?
They are a little diffrent in the Ports.
You will find the most information about the ports in this dokument
https://www.aquariumcomputer.com/de/...ungsanleitung/
I dont know anything about clamp diods so i woud youse a 10K Resistor to pull the switch chanels to ground during they are open.
I woult try to connect the Switch channels of the S Port do the Bord and to a 10K Resister connetet to Ground.
Additional the Ground of the S Port to the Ground of your Bord and a additional 12 V source to * - - of the Port.
Without any Warenty god luck.
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Hi, I have the P4, what is the difference with the P4ex?
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The P4 hase an S Port, the P4e not.
and some Profilux Computers gives you 12V 700mA at the S port Pin one, some do not.
The P4 do not.
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BG1982 did you manage to get the S port working?
Thank you