Can the ATV61 or ATV71 drive save the last speed reference when using the external knob for speed control on the HMI?

Resolution:
Unforunately, the display will lose the reference once the drive along with keypad lose power.
If you need to maintain the speed reference after you power down you may need to add a remote mounted POT to AI1, com and +10vdc as an option.
The HMI Reference if used will go back to 0 or LSP(low speed) if cycled power to the drive. Can set LSP to desired setting. Also, there is a Reference saved parameter but it applies only to +/- Speed.
It does not apply to the HMI reference.

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