C.H.Wang,X.C.Kong,G.Lei,S.F.Xu,Q.Le, and J.Zhao
We will use EPICS toolktto build a prototype for upgrading the BEPC control system.The purposes are for the following three aspects:(1)to setup a network based distributed control system,(2)to study some front-end control technology,(3)to mergy the existing control system into EPICS. The hardware architecture consists of three physical layers. The fron-end layer is VME crate, PowerPC, and interface boards(VME-CAMAC and Fieldbus). The back-end layer is SUN workstation which is used for application development. These layers are connected by 100M Ethernet. The number of power supplies will increase from 160 up to 400 at the BEPCII, so we will adopt Fieldbus with intelligent device controller for new power supplies. In order to preserve our investment in the hardware, the existing CAMAC hardware will remain. The CAMAC will be connected to the VME via CAMAC serial highway. The operator interface for the power supplies will be developed with EPICS DM2K. High level accelerator control applications will be studied as well with EPICS channel access and archive access.
 'Feasibility Study Report on BEPCII',Beijing,April,2001
 Karen S. Nolker, Hamid Shaoee, Willaim A. Watson III,Marty Wise,'The CEBAF Accelerator Control System:Migrating from a TACL to an EPICS Based System'.
Last updated: September 13, 2002
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