NBI 1 * 2 1 (2008 3 6 ) PLC 311-0193 801-1 1 2
Update of Control System for Auxiliary Pumping and Primary Water Cooling Facilities in JT-60 NBI Katsumi KIKUCHI 1, Noboru AKINO, Noboru EBISAWA, Yoshitaka IKEDA Norikazu SEKI*, Tadashi TAKENOUCHI 2 and Yutaka TANAI 1 Division of Tokamak System Technology Fusion Research and Development Directorate Japan Atomic Energy Agency Naka-shi, Ibaraki-ken (Received March 6,2008) The control system for auxiliary pumping facility and primary water cooling facility in JT-60 NBI was updated. To realize the cost reduction, the control system with many input and outputs of 2000 was updated by JAEA itself using commercial Programmable Logic Controllers (PLC s). JAEA also made software with 3600 ladder lines by JAEA itself based on commercial basic programs. In addition to the simple replacement of the hardware and software, the function of remote operation has been newly added. At present, the auxiliary pumping facility and the primary water cooling facility have been stably operated without troubles. The remote operation enables to collect the detailed information on the trouble more easily, resulting in a quick countermeasure for the trouble. Keywords: NBI, Accelerator Grids, Vacuum Pumping Facility, Water Cooling Facility, Control System, PLC, I/O Device 1 Research Staff on Loan (Nuclear Engineering Co.ltd) 2 Research Staff on Loan (Tomoe Shokai Co.ltd) * Nippon Advanced Technology Co.ltd ii
1. 1 2. 1 2.1 2 2.2 1 2 3. 3 3.1 3 3.2 3 3.3 4 4. 4 5. 5 5.1 5 5.2 1 6 6. 6 6 7 8 2 9 iii iii
Contents 1. Introduction 1 2. Existing control systems 1 2.1 Auxiliary pumping facility 2 2.2 Primary water cooling facility 2 3. Basic design of new control systems 3 3.1 Basic policy 3 3.2 Selection of new PLC 3 3.3 Replace Schedule 4 4. Construction new control systems 4 5. Working test of new control systems 5 5.1 Auxiliary pumping facility 5 5.2 Primary water cooling facility 6 6. Summary 6 Acknowledgments 6 References 7 Appendix 1 Performance and structure for Auxiliary pumping facility 8 Appendix 2 Performance and structure for Primary water cooling facility 9 iv iv
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(2) -6 CX-Programmer 15
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