January 10, 2025

Haiwell PLC is applied to the teaching practice of colleges and universities, and has made achievements for replacing imported products in teaching

Prerequisite: On September 29, 2015, I received the PLC model S16S0R from Xiamen Haiwell Company, one PLC basic unit module with 24V DC power supply, a programming cable and many documents of Haiwell PLC, which can be found in the data. The official website of Xiamen Haiwell Technology Co., Ltd. downloads the programming software and user manual. After studying the manual and practice for a period of time, I found the characteristics of Haiwell PLC: First of all, the programming software is good, and the most prominent highlight is the easy installation and built-in simulation. It does not happen that the beginner's programming software is not installed successfully, or cannot be programmed after installation, and cannot be simulated after programming. In the teaching of teachers, teaching students to install programming software is a very heavy content. Everything is difficult at the beginning, and guiding students to get started is a very important task. The installation of the more popular European and Japanese PLC programming software and the installation and training of simulation software are time-consuming and laborious. The Haiwell programming installation is very smooth, and the simulation is also easy to use. Secondly, the hardware is as easy to use as other PLCs, and there is at least one pulse output.

After I passed the 2014 electrical class and the 2015 electromechanical class of PLC teaching, the domestic PLC teaching practice application Haiwei was successful. Now write a teaching example as follows: Crossroad traffic light signal programming

Programming requirements: After the switch is closed, the red light in the east-west direction is on for 25 seconds, the green light in the north-south direction is on for 20 seconds, flashing for 3 seconds (three times), and the yellow light is on for 2 seconds. The north and south red lights are on for 25 seconds, the east and west are on for 20 seconds, the green lights are on for 3 seconds (three times), and the yellow lights are on for 2 seconds. Keep looping.

Haiwell PLC is applied to the teaching practice of colleges and universities, and has made achievements for replacing imported products in teaching

Figure 1: Component usage table

Haiwell PLC is applied to the teaching practice of colleges and universities, and has made achievements for replacing imported products in teaching

Figure 2: Component comment table

Haiwell PLC is applied to the teaching practice of colleges and universities, and has made achievements for replacing imported products in teaching

Figure 3: Part of the program diagram 1

Haiwell PLC is applied to the teaching practice of colleges and universities, and has made achievements for replacing imported products in teaching

Figure 3: Part of the program diagram 2

The marine products are very good, and the teaching application is very good, but the popularity will increase through continuous promotion. I believe that the day of replacing imported products in teaching will be getting closer and closer.

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