Our company is a professional for many years engaged in large-scale imported systems (distributed control systems, programmable controllers, redundant fault-tolerant control systems, robotic systems) spare parts sales. Main brands Foxboro, Tricon, Ovation, Motorola, Xycom, ABB, Allen-Bradley, Schneider, Siemens, GE Fanuc, Yaskawa, Woodward and other imported automation system spare parts sales and system integration of high-tech enterprises.

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  • Evaluation principle of PLC program quality


    The best evaluation standard of PLC program is practice to see whether the program can achieve the expected purpose, but this is not enough, because there are good and bad programs to achieve the purpose. What kind of program is a good program? There are generally the following aspects: 1. Correc...

  • Analysis of internal equivalent relay circuit of PLC


    PLC is a special microcomputer, but when it is used to realize the function of relay contact control system, it is not necessary to study it from the perspective of computer, but instead, the internal structure of PLC is equivalent to a relay circuit. A trigger in the PLC is equivalent to a relay...

  • Steps of PLC program on-site commissioning


    There are many personnel involved in the site commissioning, which should be well organized and have a commissioning outline. Step by step according to the outline. At the beginning of commissioning, the equipment can not be operated, or even live. It can be powered on, started up and loaded grad...

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