... AC62 series AC Drives, 2 A professional motion control scheme for drawing machine 3 Saving energy Product Name: AC62-L Frequency inverter ... , empty-plate, half-plate, full-plate, low-speed, medium-speed, high-speed, tension, junction …all autotuning• No need of PID board ... at low limit, middle or high limit, the inverter can start to run. Speed of drawing machine tracing is automatic. Tension balance ...