Many years of working life in construction machinery have made me meet many technical workers. They talked about domestic technology and the impact of technological development of Chinese-made materials on technological progress. Every year, different companies send me experimental products, including electronic components and New materials, control boards, single-chip computers, and of course also PLCs. Among them, Haiwei’s quality and service are very good, and it is worth learning from our domestic industrial control companies. Work desire is like a sharp weapon. Haiwell has provided us with a sharp weapon. Our quality will keep up. Supporting domestic products and supporting national products is what we have always needed to do. After receiving Haiwei products, it is bright, and it is much better than before. First, the appearance is not inferior to the imported brands, and the workmanship is fine and beautiful. Secondly, the software programming is simple and easy to use, which conforms to the thinking of the Chinese people. In this plan, PLC is used in the design of steel structure automated production lines. Due to the progress of the industrial design, we will temporarily experiment in the electrical transformation of the steel plate bending machine (old machine), and change the original mechanical contactor control to PLC control to optimize the original The mechanical properties make it continue to serve in the green building production line. We have made some improvements and programming for this device: 1. The original angle was adjusted manually by 2 people, which was not accurate yet. Now only use the angle sensor, PLC automatic adjustment, the angle accuracy is controlled at 0.5 degrees, which greatly improves the angle accuracy, and has a positive meaning for the improvement of product quality. Programming The procedure is shown in the figure below. 2. The original time relay is cancelled, and then the PLC delay control is used 3. The original size is changed to manual measurement, and the PLC pulse encoder is used for automatic measurement. 4. In order to experience the stability of the PLC, install the PLC in the original position of the time relay, very close to the power supply line, almost overwhelming the PLC. 5. After half a month of operation, the plc worked normally and stably, achieving the expected effect of our transformation. Three, use experience After more than a month of programming, installation, and trial operation, all aspects are very smooth. First, programming is in line with national conditions and does not require special learning. The degree of humanization is relatively high and conforms to the thinking of Chinese people. Among them, the subroutine section is advantageous for program calls. , To reduce the writing time of repetitive procedures; all the instructions have examples, don’t be afraid that you will not do it, and the customer service is enthusiastic about serving, even if you don’t understand anything, you will understand it. Later, we will use Haiwell PLC in the development of green building production lines, and use Haiwell configuration combined with VB and other programming to form a self-developed green production line.
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Application design of Haiwell N60S2T series PLC in green building production line
1. Application scenarios