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2 Visual Components Manuals

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Introduction to <strong>Visual</strong> <strong>Components</strong> 2.3<br />

This opens the following dialog box:<br />

4.11.5.2.1 Acknowledgement Possible<br />

This entry determines whether acknowledgement of an occurring alarm is possible and is further evaluated by<br />

the "Acknowledgement Necessary" option.<br />

4.11.5.2.2 Acknowledgement Necessary<br />

This entry determines whether acknowledging a triggered alarm is absolutely necessary.<br />

4.11.5.2.3 Allow Acknowledge While Active<br />

This entry determines whether an active alarm can be acknowledged or not.<br />

Acknowledgement possible = yes<br />

Acknowledgement necessary = yes<br />

Allow acknowledge while active = no<br />

If an alarm is displayed, then it is only taken off the alarm display if it is also acknowledged,<br />

regardless of whether the alarm bit is reset.<br />

Acknowledgement possible = yes<br />

Acknowledgement necessary = no<br />

Allow acknowledge while active = no<br />

If an alarm is displayed, then it can be acknowledged until the alarm bit is reset. If the alarm bit<br />

is reset before it is acknowledged, it is removed from the display.<br />

Acknowledgement possible = no<br />

Acknowledgement necessary = no<br />

Allow acknowledge while active = no<br />

4.11.5.2 Alarm Properties 405

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