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    Cyber resilience act implications for Modbus RTU

    Modbus RTU is a serial protocol developed before external data security regimens existed. It does not have a structure that would support attainment of CRA compliance. Since the core data mechanisms are similar, Modbus/TCP on Ethernet faces similar compatibility issues to cybersecurity...
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    VFD- Input amperes are greater than Output

    If the motor is running above base speed/frequency (extended frequency range), there might be some explanation. (Drawings borrowed from Delta Automation website)
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