NDLI: Data Acquisition with a VAX 11/780 and MBD Branch Driver

Content Provider	IEEE Xplore Digital Library
Author	King, S. E. Lau, Y. C. Gould, C. R.
Copyright Year	1963
Abstract	In order to provide fast, convenient and flexible data acquisition, we have assembled a system using a CAMAC interface, a single general purpose data program for all channels in the MBD Branch Driver, and multiple VAX subprocesses to acquire, sort, and store data. Our use of the VAX subprocess capacity eliminates the need for a monitor program, allows easy reconfiguration of user software, and provides a simple means of having a modular general data acquisition software package. The subprocess structure is in keeping with our design goals of a modular system. The general purpose MBD program facilitates easy use by experimenters without a detailed knowledge of the MBD or CAMAC interface, while allowing them control of and access to the CAMAC hardware. The dual buffer system allows parallel sorting and data transfers. The use of the system service hybernation and time-demand priority provides for uninterrupted data flow while allowing offline users 50-90% of the CPU time. The use of DAP information files allows the user to change the hardware with relative ease. The system has been used for a number of initial experiments with a minimum amount of trouble. Our expectations of system performance, flexibility, and ease of programming change appear to be meet in these experiments.
Sponsorship	IEEE Nuclear and Plasma Sciences Society Computer Applications in Nuclear and Plasma Sciences (CANPS) Lawrence Berkeley Lab. Lawrence Livermore Nat. Lab. APS College of William and Mary Continuous Electron Beam Accelerator Facility NASA Defence Nuclear Agency Sandia National Laboratories Jet Propulsion Laboratory Brookhaven Nat. Lab. Lawrence Livermore Nat. Lab IEEE/NPPS Radiat. Effects Committee Defence Nuclear Agency/DoD Sandia National Laboratories/DOE Jet Propulsion Laboratory/NASA Phillips Lab./DoD
Starting Page	3822
Ending Page	3827
Page Count	6
File Size	780681
File Format	PDF
ISSN	00189499
Volume Number	28
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1981-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data acquisition CAMAC Sorting Computer buffers Road transportation Physics Educational institutions Laboratories Hardware Buffer storage
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Electrical and Electronic Engineering Nuclear Energy and Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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