Electrical PLC Class: The main topics include electrical safety knowledge, electrical basics, structures and principles of commonly used low-voltage electrical appliances, and troubleshooting. Installation of machine tool control circuits, principles and installation of primary and secondary distribution panels, troubleshooting of electrical faults, installation methods for lighting circuits and commonly used lamps, and methods and steps for electrical diagram reading. Installation and use of electrical instruments and meters.PLC composition and working principles, input and output wiring, binary and decimal BCD code conversion.PLC selection,PLC programming, timers, counters, and applications of infrared proximity switches. Differences in programming software for Mitsubishi, Omron, Siemens, andPLC programming operations.PLC basic instructions and applications, traffic lights, running lights, star-delta control of motors, automatic back-and-forth control, bidirectional start reverse power braking control, sequential start of multiple motors, and reverse stop. Creation of control screens for touch screens (human-machine interface), button configuration. Applications and control of frequency converters; selection and usage of frequency converters; forward and reverse control of frequency converters; multi-speed operation of frequency converters.
