NDCU-12C NDCU-12CK ABB 工控传动，进口品牌，客户第一，诚信至上。

There are about 30 domestic PLC production plants, but they have not formed a large-scale production capacity and brand-name products. Some of them are produced by imitation, assembly or “OEM”. Therefore, it can be said that PLC has not formed a manufacturing industry in my country. As a product with no cutting-edge technical difficulties in principle, technology and process, as long as efforts are made, a manufacturing industry can be formed.

In terms of PLC application, my country is very active. In recent years, about 100,000 sets of PLC products are newly invested each year, with an annual sales of 3 billion yuan, and the application industry is also very wide. However, compared with other countries, more investment is needed in the application of machining and production lines. The following PLC products are popular in the Chinese market:

Schneider, including the early Tianjin Instrument Factory introduced products from Modicon, currently there are Quantum, Premium, Momentum and other products;

Rockwell (including AB) PLC products, currently there are SLC, Micro Logix, Control Logix and other products;

Siemens products, currently there are SIMATIC S7-400/300/200 series products;

GE’s products; Japan’s Omron, Mitsubishi, Fuji, Panasonic and other products.

The market potential of PLC is huge. Not only in my country, but also in Japan, where the industry is developed, a survey shows that the proportion of mechatronics products supporting PLC accounts for 42%, and 24% are controlled by relays and contactors. Therefore, there are still many occasions where PLC needs to be applied, especially in my country.

From the perspective of technological innovation, my country’s large and medium-sized enterprises should vigorously develop CIMS (Computer Integrated Manufacturing System), and FMS flexible manufacturing systems should be formed in machinery manufacturing plants. PLC is the foundation, so the PLC market is broad.

PLC has the advantages of stability and reliability, low price, complete functions, flexible and convenient application, and convenient operation and maintenance. This is the fundamental reason why it can occupy the market for a long time. We will focus on several issues below and study their development trends.