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This video provides a short overview of the ABB ACH580 and ACQ580 drives with sensorless pump control. Using the ACH580 or ACQ580 drive to control a pump speed to match the system load requirements without the use of external feedback. Through a 10-point test, the ACH580 or ACQ580 can profile a motor, pump, and system to allow for sensorless pump control. Authored by Thomas Shircel, Senior Regional Application Engineer, ABB Inc.