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The load in a controller caused by a command from an operator station or an information
management station is non-recurrent and relatively small. It can be disregarded.
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I/O signals (including calculated variants) with NORMAL_TREAT = 1 (event handling
selected) will give rise to increased load when the event occurs, which means VALUE changed
(DI) or LIMIT exceeded (AI). However this is taken care of by having the stipulated reserve
capacity.
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Full data sets (that is with 24 DAT values) are assumed. However the length of the data sets has
little effect on the load in Advant Controller 450.
, sending data sets and
, receiving data sets show the additional load
from these applications. The CPU load caused by the basic network communication between
two nodes is included in the CPU base load figures given.
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3
2
1
4
8
12
16
18
Number of
DS / sec.
Load (%)
4
SC510
SC520
(utilization of
slave CPU)
Summary of Contents for Advant Controller 450
Page 1: ...Advant OCS with Master software GYDQW RQWUROOHU User s Guide 3BSE 002 415R701 Rev A ...
Page 26: ...Advant Controller 450 User s Guide Table of Contents 3BSE 002 415R701 Rev A xvi ...
Page 30: ...Advant Controller 450 User s Guide Table of Contents 3BSE 002 415R701 Rev A xx ...
Page 488: ... GYDQW RQWUROOHU 8VHU V XLGH SSHQGL DUGZDUH 0RGXOHV A 48 3BSE 002 415R701 Rev A ...
Page 508: ...Advant Controller 450 User s Guide Appendix D Item Designations D 12 3BSE 002 415R701 Rev A ...
Page 518: ...Advant Controller 450 User s Guide Appendix F Load Calculation F 4 3BSE 002 415R701 Rev A ...
Page 522: ...Advant Controller 450 User s Guide Appendix G Memory Calculation G 4 3BSE 002 415R701 Rev A ...
Page 528: ...Advant Controller 450 User s Guide Appendix H Halt Codes H 6 3BSE 002 415R701 Rev A ...
Page 562: ...Advant Controller 450 User s Guide Index iv 3BSE 002 415R701 Rev A ...
Page 563: ......
Page 564: ...3BSE 002 415R701 Rev A March 2000 ...