How to Protect and Save Energy in Pumps Using the Sleep Wake Function with Altivar Process

When we have a PID control activated in variable speed drives, it is common to find the situation in which the motor is rotating at minimum speed without the process requiring it. For this, the Sleep-Wake function is available in the Altivar Process variable speed drives, which allows, under various circumstances, to stop the motor automatically and restart it if the process requires it.