20 July 2022
ATV312 set a logic output to be maintained at above a certain frequency level.Product Line
ATV312, Altivar 312Environment
The logic output can be done with the AOV/AOC or R1/R2 terminals.
Under the Inputs / Outputs CFG menu, select Analog/logic output and assign to Frq Limit. (I-O- > d0 > FtA).
If AO1t is assigned to 10U the output is 10VDC from AOV. If AO1t is assigned to 4A or 0A, the output is 24VDC from AOC.
Set R1 or R2 assignment to Freq th. att. (I-O- > r2 > FtA).
Under the Settings menu, adjust Freq Threshold to desired frequency (SEt- > Ftd)
When the drive output speed reaches the Ftd setting, the relay or digital output will energize and stay energized as long as the speed is at, or above the Ftd setting.