1. Segment speed control: plc uses two output points to control the running of the inverter (run/stop or forward/reverse), and uses three output points to control the segment speed (combined in binary order to generate 8 speeds).
2, potentiometer control: PLC uses two output points to control the operation of the inverter (run / stop or forward / reverse), the speed is controlled by the potentiometer of the inverter or an external potentiometer.
3. Analog quantity control: PLC uses two output points to control the running of the inverter (run/stop or forward/reverse). The speed regulation is generated by the DA module of PLC from 0~5V, 0~10V, 4~20mA and other parameters. control.
4. Communication control: All the parameters of the inverter are controlled by the PLC after directly connecting the communication port of the PLC with the communication port of the inverter.
In any of the above methods, the PLC must have a corresponding program, and the inverter must also set the corresponding parameters according to the control method. Indispensable.
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