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TUPDP062 |
Development of EPICS for RF Fundamental Power Coupler Experimental Test Bench | |
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Funding: This work was supported by the Rare Isotope Science Project of Institute for Basic Science funded by Ministry of Science and ICT and NRF of Korea (2013M7A1A1075764) An RF fundamental power coupler operating at 7 kW, 325 MHz applies RF power to the superconducting cavity of the high-energy Linac of the RAON. A prototype coupler was developed and a test bench was built to experiment the coupler alone. Experimental Physics and Industrial Control System (EPICS) was developed to control, monitor and protect the test bench. In addition, the Graphical User Interface (GUI) was visually constructed and the temporal operation was designed. Input and reflected RF power of the coupler, signals from electron pickup probes, vacuum level and temperature data are monitored in real time and stored in the DAQ. The interlock is used to protect the coupler from abnormal conditions such as MP occurring inside the coupler. When the MP occurs during the experiment, the RF power must be cut off immediately. Signals such as vacuum level, signals from electron pickup probes, temperature values and temperature increase rates per second were used to consist the interlock. Detailed the GUI design and results are presented. |
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