Flow-sensor and Expansion Box 2

hello
I have 2 flow-sensor

• one connect on profilux 4
• one connect on Expansion Box 2

I can read the flow-sensor on profilux 4
But how read the flow-sensor on expansion box 2?

Attachment 11328

Please refer to: https://forum.aquariumcomputer.com/s...2899#post82899