1700AS0001 TCS Spec.pdf

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4 Functional Requirements 4.1 Functional definition 4.1.1 Operational Concept Doc No. SALT1700AS0001 Issue A TCS Specification The SALT operational concept is defined in the “SALT Operational Requirement” document listed in section 2. The TCS will provide information to and receive instructions from the SALT Operator, SALT Astronomer, Principal Investigator and the maintenance personnel. The TCS will also store and distribute that data as required. The TCS comprises a network of computers that together perform the desired functions. Initially the SA and SO will operate the telescope from the SALT control room at the telescope but the design shall facilitate moving this to Cape Town at a later stage. The PI may be located anywhere in the world and has limited interaction with the TCS across the Internet. The maintenance staff will perform operational and maintenance tasks from various positions inside the telescope but the design shall facilitate also doing this from Cape Town at a later stage. Science data will be stored on a data processor from which the PI will retrieve the data via FTP and/or CD-ROM. 4.1.2 Functional Diagrams 4.1.2.1 TIMELINE DIAGRAM Timelines of the operation can be found in the SALT Operational Requirement. 4.1.2.2 SYSTEM STATES 4.1.2.2.1 TCS Control States Figure 1 below defines the anticipated control states of the Telescope System and will be controlled by the TCS Server. Each of the modes are defined in the paragraphs that follow while the conditions for state transitions are defined in Table 1. Final modes and states will be determined during the software design. 4.1.2.2.2 OCS States The non TCS-server functions may have specific states but these will be determined during the design phase and are not defined here. 12
18 Guide Track 17 Slew Ready Major Fault Calibration 7 Initialise 5 20 19 4 3 2 1 OFF Slew to CCAS # In Maintenance mode it is possible to force the system into most of the other modes. 16 15 6 14 9 10 11 Figure 1: System State Diagram 8 Maintenance # 12 13 Doc No. SALT1700AS0001 Issue A TCS Specification Align PM 13
Page 1 and 2: APPROVAL SHEET TITLE : SALT Telesco
Page 3 and 4: ACRONYMS AND ABBREVIATIONS BITE Bui
Page 5 and 6: TABLE OF CONTENTS Doc No. SALT1700A
Page 7 and 8: Doc No. SALT1700AS0001 Issue A TCS
Page 9 and 10: 1 Scope 1.1 Identification Doc No.
Page 11: 3 Customer Furnished Equipment and
Page 17 and 18: 4.1.3 Process Doc No. SALT1700AS000
Page 19 and 20: To exisiting SAAO network Exisitng
Page 25 and 26: 5.3.3 Environmental Requirements 5.
Page 29 and 30: 5.5.3 Electromagnetic Radiation Doc
Page 33 and 34: 6 Subsystem Technical Requirements
Page 35 and 36: SA Workstation* TCS SA MMI Data mon
Page 39 and 40: SO Workstation* TCS SO MMI Data mon
Page 41 and 42: 6.2.3.1 HARDWARE Doc No. SALT1700AS
Page 47 and 48: 8 Notes a. Issue A of this document
Page 49 and 50: Appendix B: SA Display Information
Page 51: Appendix D: List of TBD’s and TBC

1700AS0001 TCS Spec.pdf

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