Operation status of general control system of materials and life science experimental facility (MLF-GCS) in J-PARC

Sakai, Kenji ; Oi, Motoki ; Kai, Tetsuya   ; Watanabe, Akihiko; Sakamoto, Shinichi; Futakawa, Masatoshi  

A general control system of MLF consists of subsystems of integral control system, personnel protection system, server system, and so on. Its design and construction have progressed for the first proton beam injection. After finishing its construction, commissioning on operation and control of the whole MLF has started in 2007. During a short period before the first beam injection, trial operations, performance tests, and improvements of the MLF-GCS subsystems have been executed under restricted conditions. After the first beam injection in May 2008, the subsystems have been improved according to experience on the beam operations, and stable and efficient operations of the MLF-GCS have been realized. However, upgrade of the MLF-GCS is in progress now based on improvement of the target station for increment of the proton beam power, and increment of number of user apparatuses. This paper reports on the outline, commissioning, operation and upgrade of the MLF-GCS.