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If an event burst exceeds the capacity of a buffer, the “lost events” are marked in the data base
file and sent to the operator station with time marked “uncertain” when the load decreases.
These events will not be missing in the event and alarm lists if MasterBus 300 is used.
The maximum steady state rate is
2 events/sec.
Momentary event bursts with higher frequency are handled
as described above.
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•
Events handled within a controller utilizing S100 I/O or
S800 I/O with SOE functionality
<
2 ms
•
Events handled within a controller utilizing S400 I/O
10-100 ms
(The event is time tagged when the signal arrives at the controller.
Time error depends on scanning selected.)
•
Events handled within a subordinated autonomous
controller (for example Advant Controller 110)
<
1 ms
(Events locally time tagged.)
•
Events handled within separate controllers
Advant Controller 450, Advant Controller 410,
Advant Controller 110 (not S400 I/O)
–
With external time synch.
1
<
4 ms
–
No external time synch.
<
5 ms
•
For S800 I/O without SOE functionality, the relative time error between events (DI
signals) in one controller can be evaluated from the expression:
Maximum relative time error = a + b + c
a = scan cycle time of the Fieldbus Communication Interface 5 - 100 ms, not configurable
b = Cycle time of Advant Fieldbus 100 (set by the user, terminal INSCANT)
c = scan cycle time of the process data communication in Advant Controller 450
(set by the user, terminal SCANT).
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DI
200 events
AI
40 events
PIDCON
90 events
PIDCONA
90 events
GENOBJ
70 events
MANSTN
30 events
RATIOSTN
30 events
SEQ
30 events
MOTCON, VALVECON,
GROUP, MMCX
350 events
1.
“Minute pulse” connected to the actual controllers.
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 ...