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- Y. Iwasaki, T. Kaneyasu, S. Koda, Y. Takabayashi
SAGA, Tosu
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The SAGA Light Source (SAGA-LS) is a medium size synchrotron light facility, which consists of a 255 MeV injector linac and a 1.4 GeV storage ring. The control system of the accelerator has been constructed and developed from the beginning of the machine commissioning. We have employed PC-based control system because of a high cost performance of PC. The Channel Access protocol is emulated using ActiveX CA to communicate with server PCs and client PCs. Off-the-shelf industrial IO devices such as FieldPoint, and PLC are directly connected to the local server PC (PC-IOC) via Ethernet. The applications for the system are developed in-house using LabView. Recently, for plain and easy operation of accelerator we have made several upgrading of the control system. First, we made communication interfaces between accelerator system and radiation interlock system. Second, we attempt to reduce the number of server machines as possible as possible. Third, we develop a PC client program, which communicates with server PCs by a sequential procedure and sets the radiation interlock mode using touch panel PC display. By these improvements the daily operation of accelerator has become simplified.
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Poster
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