Actions for CAMAC-based intelligent subsystem for ATLAS example application : cryogenic monitoring and control

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CAMAC-based intelligent subsystem for ATLAS example application : cryogenic monitoring and control

Author
Pardo, R.
Published
United States : [publisher not identified], 1985
Springfield, Va.: National Technical Information Service, [approximately 1985]
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Kawarasaki, Y. and Wasniewski, K.

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Summary
A subunit of the CAMAC accelerator control system of ATLAS for monitoring and, eventually, controlling the cryogenic refrigeration and distribution facility is under development. This development is the first application of a philosophy of distributed intelligence which will be applied throughout the ATLAS control system. The control concept is that of an intelligent subunit of the existing ATLAS CAMAC control highway. A single board computer resides in an auxiliary crate controller which allows access to all devices within the crate. The local SBC can communicate to the host over the CAMAC highway via a protocol involving the use of memory in the SBC which can be accessed from the host in a DMA mode. This provides a mechanism for global communications, such as for alarm conditions, as well as allowing the cryogenic system to respond to the demands of the accelerator system.
Report Numbers
DE85012372; CONF-850504-45
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: W-31-109-ENG-38
OSTI Identifier 5735510
Research organization: Argonne National Lab., IL (USA).
Research organization: Japan Atomic Energy Research Inst., Tokai, Ibaraki.
View MARC record | catkey: 47354154