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There is a “stall level” between the different levels. This means that the system must execute all
functions, including all PC-control operations, at least each fifth second for the system to
continue operation. If an operator station or an engineering tool is connected to the controller,
a warning consisting of a system message is presented on the display screen if all functions are
not executed within a 30-minute period. This protection is provided to guarantee that all
functions in an Advant Controller 450 have sufficient time to perform their tasks.
The user is not normally concerned with priority levels since these are managed automatically
by the system, but the user should be aware of the priority system and stall level if the system is
heavily loaded.
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Clock (Timer task)
PC and I/O with cycle times, 10, 20, 40 ms
Interrupt-controlled DI
PC and I/O with cycle times 50, 100, 200 ms
and 250, 500 ms, 1 sec, 2 secs
AI-channels with cycle times 5, 10, 30, 60, 300 and 600 secs
Order handling from operator stations type AS 500 OS, MV 800/1
MasterBus 300
System status
Data Set-communication
Trend data logging
Event handling to operator stations type AS 500 OS, MV800/1
Printer
Handling of values for presentation on AS 500 OS, MV800/1
EXCOM
Engineering tool handling
MasterView 320
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Содержание Advant Controller 450
Страница 1: ...Advant OCS with Master software GYDQW RQWUROOHU User s Guide 3BSE 002 415R701 Rev A ...
Страница 26: ...Advant Controller 450 User s Guide Table of Contents 3BSE 002 415R701 Rev A xvi ...
Страница 30: ...Advant Controller 450 User s Guide Table of Contents 3BSE 002 415R701 Rev A xx ...
Страница 488: ... GYDQW RQWUROOHU 8VHU V XLGH SSHQGL DUGZDUH 0RGXOHV A 48 3BSE 002 415R701 Rev A ...
Страница 496: ...Advant Controller 450 User s Guide Appendix C Delivery Documentation C 2 3BSE 002 415R701 Rev A ...
Страница 508: ...Advant Controller 450 User s Guide Appendix D Item Designations D 12 3BSE 002 415R701 Rev A ...
Страница 514: ...Advant Controller 450 User s Guide Appendix E Current Consumption and Heat Dissipation E 6 3BSE 002 415R701 Rev A ...
Страница 518: ...Advant Controller 450 User s Guide Appendix F Load Calculation F 4 3BSE 002 415R701 Rev A ...
Страница 522: ...Advant Controller 450 User s Guide Appendix G Memory Calculation G 4 3BSE 002 415R701 Rev A ...
Страница 528: ...Advant Controller 450 User s Guide Appendix H Halt Codes H 6 3BSE 002 415R701 Rev A ...
Страница 561: ...Advant Controller 450 User s Guide Index 3BSE 002 415R701 Rev A iii V Valve control 1 102 VT100 terminal 1 105 ...
Страница 562: ...Advant Controller 450 User s Guide Index iv 3BSE 002 415R701 Rev A ...
Страница 563: ......
Страница 564: ...3BSE 002 415R701 Rev A March 2000 ...