The world's PLC products can be divided into three major genres by region: one genre is an American product, one genre is a European product, and one genre is a Japanese product. PLC technology in the United States and Europe is independently researched and developed under isolation, so there are significant differences between PLC products in the United States and Europe. The Japanese PLC technology was introduced by the United States, and has certain inheritance to the US PLC products, but Japan's main push products are positioned on small PLCs. The United States and Europe are known for large and medium-sized PLCs, while Japan is known for small PLCs.
Japanese PLC products
Japan's small PLC is the most distinctive, and is well-known in the field of minicomputers. Some of the controls that can be realized with medium-sized or large-sized machines in Europe and America can be solved by Japanese minicomputers. It is obviously superior to the small and medium-sized machines in Europe and America in the development of more complicated control systems, so it is particularly popular among users. There are many PLC manufacturers in Japan, such as Mitsubishi, Omron, Panasonic, Fuji, Hitachi, Toshiba, etc. In the world's small PLC market, Japanese products account for about 70% of the total.
Mitsubishi PLC is a product that entered the Chinese market earlier. Its mini-machine F1/F2 series is an upgraded product of the F-series, and its sales in China were not small in the early days. The F1/F2 series has enhanced the command system, added special function units and communication functions, and has stronger control capabilities than the F series. Following the F1/F2 series, Mitsubishi Corporation introduced the FX series in the late 1980s, which has been comprehensively enhanced in terms of capacity, speed, special functions, and network functions. The FX2 series is an all-in-one high-performance minicomputer developed in the 1990s with various communication adapters and special function units. FX2N has launched a high-performance integrated minicomputer for several years. It is a replacement product of FX2, and all functions have been comprehensively improved. In recent years, we have also introduced micro PLCs that meet different requirements, such as FXOS, FX1S, FX0N, FX1N and α series.
Mitsubishi's large and medium-sized machines have A series, QnA series and Q series, which have rich network functions and I/O points up to 8192 points. Among them, Q series has the characteristics of ultra-small size, rich model, flexible installation mode, dual CPU co-processing, multi-memory and remote password. It is the highest performance PLC in Mitsubishi's existing PLC.
OMRON's PLC products are available in large, medium, small and miniature sizes. The microcomputer is represented by the SP series, and its body is small and extremely fast. The minicomputers are P-type, H-type, CPM1A series, CPM2A series, CPM2C, CQM1, etc. The P-type machine has been replaced by the more cost-effective CPM1A series. The CPM2A/2C and CQM1 series have built-in RS-232C interface and real-time clock, and have soft PID function. CQM1H is an upgraded product of CQM1. The medium-sized machines are available in C200H, C200HS, C200HX, C200HG, C200HE, and CS1 series. The C200H is a high-performance mid-range machine that has been sold well in previous years. It is equipped with fully equipped I/O modules and high-function modules, and has strong communication and network functions. The C200HS is an upgraded product of the C200H, with a richer command system and stronger network functions. C200HX/HG/HE is an upgraded product of C200HS, with 1148 I/O points, its capacity is twice that of C200HS, and its speed is 3.75 times that of C200HS. It has a full range of communication modules and is a PLC product suitable for informationization. . The CS1 series has the size of a medium-sized machine and the function of a mainframe. It is a new model with great promotion value. The mainframes are C1000H, C2000H, CV (CV500/CV1000/CV2000/CVM1). The C1000H and C2000H can be operated in stand-alone or dual-system hot standby. The C1000H can be used to replace the I/O modules online. The CV series can be structured, easy to read, easy to debug, and more in addition to CVM1. Powerful communication features.
Among Panasonic's PLC products, FPO is a micro-machine, FP1 is an integrated mini-machine, FP3 is a medium-sized machine, FP5/FP10, FP10S (an improved FP10), and FP20 is a mainframe, of which FP20 is the latest product. The main features of Panasonic's PLC products in recent years are: the command system has strong functions; some models also provide CPU and various intelligent modules that can be programmed with FP-BASIC language, providing software means for the development of complex systems; FP series Various PLCs are equipped with communication mechanisms, which are convenient for constructing multi-level PLC networks and developing PLC network applications due to the consistency of the application layer communication protocols they use.
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