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Can we read position (value) of built-in potentiometer on ATV320 by ATV logic?

ATV320 does not have built-in potentiometer. It has rotary knob, that under certain configuration can be used for entering HMI reference speed. 
If FR1=LCC [HMI] then rotary knob is used as frequency reference and so the value of frequency reference can be read from LFR variable (or FRH freq reference before ramp) 
To read LFR by ATV logic, use a ADL container, see printscreen. The range of LFR is 
-599.9 to +599.9
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