Motors and Drives: Variable Frequency Drive (VFD)--Common Control Methods

Part 6 of the Variable Frequency Drives Series details common advanced features found on variable frequency drives, highlights include: digital IO, serial communications, and Ethernet.

Variety of Control Methods

  • Keypad

  • Digital IO

  • 4-20mA

  • 0-10V, -10/+10V

  • Encoder following

  • Serial communications

  • Ethernet/OPC

  • Trim (advanced control)

    • Summing Junction

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