Logic 10.4.6 Tracks & Mixer

You must have made a track stack. If you just create five tracks, you get five sliders in the mixer. But also, if you open the track stack (look for a small disclosure triangle such as this)

...you will get your five sliders.

But of course Logic has many ways of creating all kind of different sort of tracks, so I can only really tell what you have done if you show a screenshot, and then I will probably be able to tell you what to do.

creating five different output channels ?

Given that your audio interface actually has five different outputs, you can route a Track to any of the five outputs by doing a long click on the Track's output routing (the grey Bus buttons in Erik's pictures). The outputs will be available there by default and once something is routed there, they will appear in the Mixer.

Eriksimon,

I can just add to also look at the display options/filters at the top right of the mixer.

WD

Or, if what Eriksimon doesn't work, you have made four iterations of the same channel strip...