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Is an option required on the E-Flex or M-Flex (ATV61 or ATV71) to allow 0-10 Vdc speed signal for automatic control?

No, the J09 option (used with the Econoflex drives) is not required. The analog input type for auto control can be changed by programming.
In the menu 1.5 Inputs / Outputs, submenu AI2 Configuration, set parameter AI2 Type to Voltage.

Reviewed 11/2011

CTA-ID : 2032697
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