LSST camera control system

Stuart Marshall, Jon Thaler, Terry Schalk, Michael Huffer

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The LSST Camera Control System (CCS) will manage the activities of the various camera subsystems and coordinate those activities with the LSST Observatory Control System (OCS). The CCS comprises a set of modules (nominally implemented in software) which are each responsible for managing one camera subsystem. Generally, a control module will be a long lived "server" process running on an embedded computer in the subsystem. Multiple control modules may run on a single computer or a module may be implemented in "firmware" on a subsystem. In any case control modules must exchange messages and status data with a master control module (MCM). The main features of this approach are: (1) control is distributed to the local subsystem level; (2) the systems follow a "Master/Slave" strategy; (3) coordination will be achieved by the exchange of messages through the interfaces between the CCS and its subsystems. The interface between the camera data acquisition system and its downstream clients is also presented.

Original languageEnglish (US)
Title of host publicationAdvanced Software and Control for Astronomy
DOIs
StatePublished - Oct 17 2006
EventAdvanced Software and Control for Astronomy - Orlando, FL, United States
Duration: May 24 2006May 26 2006

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6274
ISSN (Print)0277-786X

Other

OtherAdvanced Software and Control for Astronomy
CountryUnited States
CityOrlando, FL
Period5/24/065/26/06

Keywords

  • Control system
  • Data acquisition

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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