Enhancement of Real Time EPICS IOC PV Management for Data Archiving System

Abstract

For operating a 100MeV linear proton accelerator, the major driving values and experimental data need to be archived. According to the experimental conditions, different data are required. It is necessary to implement functions that can add new data and delete data in real time. In an experimental physics and industrial control system (EPICS) input output controller (IOC), the process variable (PV) values are matched with the driving values and data. The PV values are archived in text file format using the Channel Archiver. There is no need to create a database (DB) server, just need a large hard disk. Through the web, the archived data can be loaded and new PV values can be archived without stopping the archive engine. Implementation of a Data Archiving System with Channel Archiver is presented and some preliminary results are reported.