A scalable data acquisition system for CEBAF: architecture and status

Author

Watson, William A., III ; Heyes, Graham ; Jastrzembski, Edward ; Quarrie, David

Author_Institution

CEBAF, Newport News, VA, USA

fYear

1992

fDate

25-31 Oct 1992

Firstpage

543

Abstract

A new data acquisition system is under development at CEBAF in support of experiments due to begin in 1994. CODA (CEBAF On-line Data Acquisition) has been designed to run on Unix workstations connected via Ethernet to multiple intelligent front-end crates, VME and FASTBUS, with CAMAC supported through VME. The system is modular and scalable, from a single front-end crate and one workstation with data transferred over Ethernet, up to as many as 32 clusters of front-end crates connected (eventually) via a high-speed network to a farm of analysis workstations. CODA includes a device-independent slow controls package with (currently) drivers for CAMAC, VME, and CAEN high voltage. Experience with early versions is discussed

Keywords

CAMAC; computer architecture; data acquisition; physics computing; CAMAC; CEBAF; CODA; Ethernet; FASTBUS; Unix; VME; architecture; scalable data acquisition system; CAMAC; Computer architecture; Control systems; Data acquisition; Electron beams; Ethernet networks; Fastbus; Intelligent networks; Reduced instruction set computing; Workstations;

fLanguage

English

Publisher

ieee

Conference_Titel

Nuclear Science Symposium and Medical Imaging Conference, 1992., Conference Record of the 1992 IEEE

Conference_Location

Orlando, FL

Print_ISBN

0-7803-0884-0

Type

conf

DOI

10.1109/NSSMIC.1992.301325

Filename

301325