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Advant
®
Controller 450 User’s Guide
Section 2.4.2 Controller and I/O
3BSE 002 415R701 Rev A
2-57
Additional Information for Redundant Processor Modules
Connection to Primary Unit
Connect the engineering station to the processor module which is PRIMARY (“P1” or “P2” on
the number display). The operation of the engineering station/target system does not differ from
its operation in a system without redundancy.
Following a changeover, the engineering station loses contact with the target system, since the
processor module to which it is connected has failed. In order to reconnect the engineering
station with the target system, connect the engineering station cable to the new primary unit’s
service port. Work can then continue, once contact with the target system is established
(RECONNECT).
Remote configuration via LAN is not influenced by a changeover.
Connection to Backup Unit for Maintenance
See
2.4.2.4 Controller System Configuration
Procedures, Overview
The initial design work with the controller should result in a system definition which is used as
a basis for the next step of the start-up procedure, the controller system configuration. This is
performed in the working mode CONFIGURATION. The start mode selector on the processor
module front is kept in 1 (AUTO) position, which was set after the power-up.
The controller system configuration is the practical work required to create the infrastructure of
the controller, that is the computer resources to maintain the application functions.
Configuration/application building is not part of the installation work described here. It is
regarded as a separate activity and is treated in
Chapter 3, Configuration/Application Building
and in separate documentation. However, application work and the work to define the system
resources are in some ways related. This is illustrated in
.
The most important conclusion is that dimensioning of the system requires information from the
application work, for example, definition of number of I/O boards, PID controllers, trends,
number of PC programs, and so forth.
Dimensioning in this context means distribution of the available memory to functions that
particularly require memory.
Содержание Advant Controller 450
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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 ...
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Страница 564: ...3BSE 002 415R701 Rev A March 2000 ...