An Embedded Modbus Compliant Interactive Operator Interface for a Variable Frequency Drive Using Rs 485


The paper proposes the architecture and software design of a Modbus Compliant Operator Interface Panel (MCOIP) for a high speed Variable Frequency Drive (VFD) – a state of the art embedded design that offers several key advantages over the existing proprietary industrial models in use today. The use of serial Modbus RTU communication over RS485 allows an… (More)

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