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Use empirical formulae to permit practical estimation of the memory requirement of the
different functions. Please refer to
Section 3.1.13, Memory Calculation
. For detailed
information regarding the memory requirements of different PC elements, see the reference
manual
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Inaccuracy expressed as drift in time
max. 0.1 ms/s
(stand-alone system)
When a controller is included in a control network, the clock is
synchronized to a master clock, for example the clock in an operator station
or a dedicated controller.
The accuracy is then related to the master clock accuracy.
Relative error in time when synchronized via network
max. 3 ms
You can synchronize one or several controllers via external minute
pulse signal. The aim is to synchronize to an accurate external clock
and, in the case of several controllers, to keep the relative error
in time low.
Relative error in time when synchronized
via external minute pulse signal
max. 2 ms
Relative time error with time-tagged events, see
Section 3.2.3, Process Interface
The external synchronization input is, from an electrical viewpoint, compliant with PC
standards. For data, see
below.
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single CPU system (8 or 16 MByte)
min. 4 hours
redundant CPU system
min. 2 hours
(after
≥
20 h of recharging)
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Input signal
(opto coupled input type)
“0” = -50 to + 2 V
“1” = +12 to + 60 V
Filter time constant
≤
1 ms
Pulse length
>
10 ms
Triggers at
positive flank
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 ...