Programmable logic controller (PLC) is widely used in the control system of motor equipment. This logic control technology is a modern industrial motor equipment control technology integrating computer, automation and communication technology. The wide application of computer network technology can realize the remote control of motor equipment. The fault detection of motor system is mainly based on the computer system based on PLC and upper computer. The main function of PLC in the motor detection system is to complete the fault signal processing, preprocessing, information conversion and storage into word signal, so as to successfully complete the judgment of fault characteristics, so as to give perfect troubleshooting suggestions to the system.<br>
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