Based on the company’s standard FR-A800 Series VFD, it includes enhanced firmware engineered for unwinding and rewinding processes such as coating, laminating, slitting, drawing and extruding. Dedicated functions include tension sensorless torque control and tension sensor feedback speed control. Variable tension is applied to the material to maintain constant flow on the winding and unwinding sides, helping to eliminate imperfections such as wrinkles or deformation. These functions do not require additional sequence or motion control programming to implement, because the inverter has a built-in PLC and employs easy-to-use parameterization to set and enhance functions. This allows users to control winding and unwinding, even if they do not have advanced knowledge of tension control. Suggested applications are in printing, automotive, and material handling. The coating and laminating of flexible electronics, as well as aluminum and copper foils for batteries and photovoltaic cells in the clean energy industry, are also appropriate.
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Mitsubishi Electric Automation