ABB PFTL101B 5.0KN 3BSE004191R1 Radiation Interference in Space

PFTL101B 5.0KN 3BSE004191R1 has the advantages of simple programming, good versatility, strong functionality, easy to expand, etc. The reliability of the PLC control system has a direct impact on the enterprise’s safe production and economic operation, and the system’s ability to resist interference is the key to the reliable operation of the entire system. Highly integrated microelectronic devices used in PLC, high reliability, but due to the use of industrial production site of the harsh working environment, such as high-power power equipment start or stop caused by fluctuations in grid voltage to form a low-frequency interference and electromagnetic radiation and other harsh electromagnetic environment, greatly reducing the reliability of the PLC control system. In order to ensure the stability of the control system, improve reliability, the system must take certain anti-interference methods and measures.

PFTL101B 5.0KN 3BSE004191R1 radiated electromagnetic field (EMI) is mainly generated by the power network, electrical equipment, lightning, high-frequency induction heating equipment, large-scale rectifier equipment, etc., usually referred to as radiation interference, and its distribution is extremely complex. Its impact is mainly through two ways: one is the PLC communication network radiation, the induction of the communication line introduced by the interference; the second is directly to the PLC internal radiation, the circuit induction interference. If the PLC is placed in the radiation field at this time, its signal, data lines and power lines can act as an antenna to accept radiation interference. This kind of interference with the field equipment layout and the size of the electromagnetic field generated by the equipment, especially with the frequency.