What happens when the inverter-controlled motor presses the abort button, and the motor is not controlled to speed up?
1. If it is a newly installed inverter, it is generally necessary to consider the wiring problem, you can first change the parameters to switch to the panel control, the panel gives the frequency, and then see if the inverter operation will have this kind of problem, if not, you can be 100% sure that it is caused by wiring fault, if the panel operation has this situation, it is clear that it is caused by the internal problem of the inverter or the load problem.
2. If there is a PLC or other device to control the inverter, this is the need to find the problem from the whole system, if it is a newly installed PLC, not to sweep is caused by incorrect programming logic, this can be diagnosed online start and stop signal and frequency given signal to find out the problem. If there is communication at the same time, there is analog and /0 manipulation, which may cause logical disorder to form together.
3. If it is the linkage of multiple inverters, involving some synchronous stretching actions and the like, or some coiling systems, the inverter controls the motor to operate in the vector torque mode, and the parameters are not adjusted, resulting in the loss of torque control during parking and causing the motor to stall, this situation is more common in the debugging process, because the motors will pull each other, there is a certain balance force, a certain shutdown, will be pulled by other in the opposite direction to speed up, or the reaction force of some elastic data is instantly formed.
4. Some multi-functional European and American inverters, there are a lot of functional modules, many of its /0 can be programmed to set the start and stop, the parameters are confused, although you follow the factory start and stop terminal to wiring, but the function has changed, although your abort signal input, but not the abort signal inside the inverter, but become a speed signal, at this time you need to restore the factory value to reset.
5. The inverter motherboard is broken, for example, there is a problem with the 1/0 handling chip, and the inverter has been out of control, which is relatively rare, but it also exists, and the special shortcomings of some power supply are damaged, which may cause this problem.
6. Disturbance problem, this situation is mostly generated in some workshops with a lot of dust, the inverter is used for a long time, and some disordered conductivity is formed in the accumulation of a lot of dust, or there is some static electricity that causes the inverter to operate out of control, at this time, the disassembly and cleaning of the inverter can generally solve the problem, or the strong electrical signal of the inverter output main circuit and //O is not separated during wiring, and it needs to be separated.
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