Orateur
Description
Considering the characteristics of the spectrometer vacuum system at the China Spallation Neutron Source (CSNS), such as its complexity, a large number and variety of controlled equipment, and intricate vacuum pumping processes, a vacuum control system for CSNS spectrometers has been designed. The system adopts a Programmable Logic Controller (PLC) to realize remote control of various vacuum equipment and high-voltage interlock of detectors, and uses an embedded industrial computer to read data from instruments or vacuum controllers through communication. A finite state machine is employed to implement the one-key automatic vacuum pumping or vacuum breaking process, which greatly reduces the operational burden on experimental personnel, effectively protects the operational safety of the vacuum system and spectrometer detectors, and improves the experimental efficiency of the spectrometers.