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Ardbox PLC Arduino based and VFD (inverter) with USB communication

Ardbox PLC Arduino based and VFD (inverter) with USB communication

Abstract Variable Frequency Drivers (usually known as VFD´s), are very popular in industry because they can adjust torque and speed of AC motors by varying motor input frequency and voltage. The setpoint can be sent from a PLC and, therefore, from a computer, so this is what we are going to show you in this newsletter: how to send a setpoint to a VFD using a computer connected to an Ardbox PLC from Industrialshields.   Hardware and considerations Before starting…

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