How to Wire Sensors in PLCs? Master These Two Points, It’s Actually Quite Simple

How to Wire Sensors in PLCs? Master These Two Points, It's Actually Quite Simple

In factories, different devices are designed by manufacturers, and there are many types of PLC control systems. The types of sensors used also vary; some use NPN type, while others use PNP type. Therefore, many electricians feel confused when they see NPN and PNP sensors and do not know where to start. Here, I will … Read more

Measuring Transistors with Digital and Analog Multimeters

Measuring Transistors with Digital and Analog Multimeters

Electricians and welders are specialized occupations, and those engaged in related work must hold a certification. Special operations certificates need to be re-evaluated every three years. One certificate per person is required, and it is valid nationwide. Exam format: personal reference, single person at a table, divided into theoretical and practical subjects, with full marks … Read more