iX Developer

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2.4 Optimizing Performance

The following section presents a couple of issues to consider in order to optimize the iX Developer project. Some parts are related to the communication driver; other parts concern CPU load and ﬂash operations.

2.4.1

Signal Types

Communication Performance

Tags used for driver communication can be static or dynamic. These are updated in different manners.

Static Tags

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Static tags are updated continuously, even if they are not currently shown on the panel display.

Additionally, the operator panel reads the following items continuously:

Alarm tags

Data logger tags

Multiple languages tags

Controller tags with value change events

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The communication time is not affected by the following:

Alarm messages

Schedulers

Tags linked to function keys

Dynamic Tags

Dynamic tags are updated only when they are presented on the display. An analog numeric object serves as an example of when a dynamic tag is used.

Beijer Electronics, MAEN831H

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iX Developer