Reducing information round trips and reducing system cabling Reducing information round trips and reducing system cabling are sometimes at odds with each other. At this time, the principle of saving investment should still be used as the choice. If the response time of the selected system allows, a cable-saving solution should be selected. If the response time of the selected system is rela...
A power plant, 2×300MW coal-fired units The thermal system is a unit system . Each unit is equipped with a centralized control building, which adopts the centralized control mode of machine , furnace and electric unit . The elevation of the unit control room is 12.6m, which is consistent with the elevation of the operation floor . DCS adopts WDPF-Ⅱ, and the I/O points designed for eac...
Qingming Festival (Tomb Sweeping Festival) is one of the traditional festivals in China, usually between the 4th and 6th of April each year, and is an important day for paying respect to ancestors and for prudent thinking and respect for relatives. On this day, people visit the graves of their ancestors to pay their respects, offer flowers, offer incense and sweep their tombs to express their reme...
Ramadan is the ninth month of the Islamic calendar, and based on lunar phase observations, it is expected to start from March 23 to April 21 in 2023. In this auspicious month of Muslim reunion and prayer, between sunrise and sunset every day, they will purify their character, regulate themselves, and enhance restraint and self-discipline through fasting forms such as "not eating...
International Labor Day, also known as May Day or May Day, is a national holiday in over 80 countries around the world. It is scheduled on May 1st every year. It is a holiday shared by working people all over the world. In July 1889, the Second International, led by Engels, held a congress in Paris. The meeting passed a resolution stipulating that international workers would hold a parade o...
(1) The DCS system is a large system. Its controller has powerful functions and plays an important role in the system. The data highway is the key to the system. Therefore, the overall investment must be made in one step, and sub- sequent expansion is difficult. However, the functions of FCS are completely decentralized, information processing is on-site, and digital intelligent field de...
The end of May and the beginning of June belong to the summer season, which is the second season of the year and one of the four seasons. The northern hemisphere is most notable for its high summerntemperatures, which can produce hot and dry or hot and humid and rainy climates depending on the region and the dry and wet conditions. With spring growing, summer growing, autumn harvesting and ...
PLC technology, as an important technology in modern industrial control, is widely used in all walks of life and in all aspects of production, and has received widespread attention and importance. Along with the depth of the application field, the price of PLC systems is becoming more and more the focus of attention, effectively controlling the cost of the system will greatly promote the popularit...