The controller for Shanghai Synchrotron Radiation Facility in-vacuum undulators
Ming Gu(Shanghai Institute of Applied Physics), Qiu Yuan(Shanghai Institute of Applied Physics), Zicong Chen(Shanghai Institute of Applied Physics), R.P. Wang(Shanghai Institute of Applied Physics), R. Chen(Shanghai Institute of Applied Physics)
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Abstract
The in-vacuum undulator (IVU) controller has been developed and applied in Shanghai Synchrotron Radiation Facility (SSRF), China. The controller based on programmable logic controller (PLC) mainly controls two stepper motors for regulating the gap and taper of magnet array, implement automatic control of the correction coil power supplies, etc. In addition, the controller is also provided with a local and remote working mode. This paper mainly introduces related hardware and software design for the IVU controller.
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