How to slide a perpendicular frame along a curve?

How do you move a perpendicular frame along a curve?

I understand there is Curve > Division > ‘Perp Frames’ however this just divides the curve with perpendicular frames.

Using either a number slider or ‘Point On Curve’ would be a good way to allow you to slide the perpendicular frame along a curve.

Thanks for your help

PerpFrame AlongA Curve_re.gh (3.9 KB)

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Thanks HS_Kim