Different operation times on a single phase

Hi Friends,

I have maintained classification for a phase in recipe and it has around 5 resources assigned to it.

I believe we can have only one operation timing for the phase.(like setup time, process time etc) for the same phase whatever be the resource assigned out of the 5 from classification.

Is it possible to assign different timings if we work with different resources out of the 5 means how can we put different timings based on the resource selection?

Thanks in Advance.

Thanks,

Prasanth