wind-up/roll-down

Tension Control Inverter
MD330 User Manual
V0.0
Contents
Chapter 1 Overview ............................................................................1 Chapter 2 Tension Control Principles...............................................2 2.1 Schematic diagram for typical curling tension control.............2 2.2 Tension control scheme..........................................................3 Chapter 3 Function Parameter Table ................................................8 Chapter 4 Parameter Description .................................................... 21 4.1 Selection of Control Mode .................................................... 21 4.2 Tension setting ..................................................................... 24 4.3 Curling radius calculation ..................................................... 26 4.4 Line speed input ................................................................... 30 4.5 Tension compensation.......................................................... 32 4.6 PID parameters .................................................................... 36 4.7 Auto roll alternation parameter ............................................. 38 4.8 Additional parameters........................................................... 39
Chapter 1 Overview
Chapter 1 Overview
This manual shall be used together with the MD320 User Manual. This manual only describes the parts related to curling tension. Other basic functions are described in MD320 User Manual. When the tension control mode is set as inactive, the inverter has the same functions are the MD320. MD330 is used for curling control. It can automatically calculate the curling radius and is able to realize constant tension when the curling radius changes. To realize constant torque control in the applications without curling radius change, MD320 inverter is recommended. When the tension control mode is selected, the output frequency and torque of the inverter will be automatically generated by the tension control function, and the frequency source selection in group F0 will be inactive.

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