Learning Advanced Features
The initial heating operation starts to run after an inverter operation stops, when the initial
heating function‘s terminal input is on after the inverter operation command is off.
The diagram above shows the operation waveform related to AP2-50 DC Inj Delay T. The
Pre Heat function performs when the inverter stop mode is set to Free Run and the Pre
Heat signal is supplied. Then, if the inverter operation command is on, the inverter
maintains acceleration and a fixed frequency. If the inverter operation command is off, the
motor is in Free Run and the Pre Heat operations starts after the time amount set in AP2-50.
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