The User Manual of 580 Series General Frequency Converter

4.8.1 Selection of main frequency source

The frequency converter is provided with 9 kinds of main frequency source including digital setting (UP/DN no power-down memory), digital setting (UP/DN power-down memory), AI1, AI2, AI3 and PULSE input, multi-stage instruction, simple PLC, PID, communication reference, etc. It is possible to set and select one of them by means of F0-03.

Fig. 4-16 Selection of given main frequency source

Seen from different frequency sources in the figure, the operation frequency of frequency converter is determined by function code, in manual adjustment immediately, given by the analog, given by the multi-speed terminal command and in closed-loop regulation by the built-in PID regulator through external feedback signal; the operation frequency can be also controlled by communication of upper computer.

The function code No. for setting each frequency source reference has been given in the figure above. Please see the detailed description of corresponding function codes in setting.