PROJECT TITLE :
Advanced Data Acquisition System Implementation for the ITER Neutron Diagnostic Use Case Using EPICS and FlexRIO Technology on a PXIe Platform
To aid in assessing the practical performance of ITER, Fission Chambers (FC) based on the neutron diagnostic use case deliver timestamped measurements of neutron supply strength and fusion power. To demonstrate the Plant System Instrumentation & Management (I&C) needed for such a system, ITER Organization (IO) has developed a neutron diagnostics use case that totally complies with tips presented within the Plant Control Design Handbook (PCDH). The implementation presented during this paper has been developed on the PXI Specific (PXIe) platform using products from the ITER catalog of customary I&C hardware for quick controllers. Using FlexRIO technology, detector signals are acquired at one hundred twenty five MS/s, whereas filtering, decimation, and 3 strategies of neutron counting are performed in real-time via the onboard Field Programmable Gate Array (FPGA). Measurement results are reported each 1 ms through Experimental Physics and Industrial Management System (EPICS) Channel Access (CA), with real-time timestamps derived from the ITER Timing Communication Network (TCN) primarily based on IEEE 158eight-2008. Furthermore, in accordance with ITER specifications for CODAC Core System (CCS) application development, the software accountable for the management, configuration, and monitoring of system devices has been developed in compliance with a replacement EPICS module referred to as Nominal Device Support (NDS) and RIO/FlexRIO style methodology.
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