1: PRG, function: enter the parameter setting interface, and switch between different series of parameters.
2: ENTER. Parameter confirmation. After we adjust the value of the parameter to be adjusted, we need to press this key to confirm the storage;
3: JOG: Jog. That is, after pressing this key, it will run according to the jog frequency and direction set by the program, and stop after releasing it;
4: RUN: Run key. If it is the panel control mode, press this key to start the inverter and enter the running state;
5: STOP: stop key. In case of panel control mode, press this key to stop the inverter.
6: Up arrow. This key can increase the running frequency or increase the parameter setting value.
7: Down arrow. This key can reduce the running frequency or reduce the parameter setting value.
8: SHIFT. shift key. This key is similar to the cursor in the OFFICE software. When the key is moved to the corresponding position, you can press the up and down arrows to modify the value at the position.
9: SET key. Reset button. When a fault occurs in the inverter, after the fault is eliminated, you can press this key to restore to the default state.
The principle of the frequency converter is the principle of applying frequency conversion technology and microelectronics technology to control the power control equipment of the AC motor by changing the frequency of the working power supply of the motor. The power supply used is divided into AC power supply and DC power supply. Most of the general DC power supply is obtained by transforming the AC power supply through a transformer, rectifying and filtering. AC power accounts for about 95% of the total power used by people.
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