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RSView Supervisory Edition Installation Guide

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This tag Type Displays this information<br />

system\AlarmSummaryItemsUnacked Analog The number of unacknowledged alarms in an<br />

unfiltered alarm summary.<br />

system\AlarmSuppressedCount Analog The number of tags with alarm suppression<br />

turned on.<br />

Alarm acknowledgment<br />

If an alarm appears in the alarm summary or some other alarm display,<br />

an operator can acknowledge the alarm. Acknowledging an alarm does<br />

not correct the condition causing the alarm, but indicates that an<br />

operator is aware of the alarm.<br />

A tag, not an alarm, is acknowledged. A single tag might have caused<br />

several alarms. For example, a tag representing temperature might have<br />

triggered Warm, Hot, and Overheat alarms by the time it is<br />

acknowledged. The tag could also have gone in and out of alarm several<br />

times before being acknowledged.<br />

One acknowledgment is all that is required for all previous and current<br />

alarms for a tag, so alarm log files often show fewer acknowledgments<br />

than alarms.<br />

To acknowledge alarms, operators can:<br />

• click the Acknowledge or Acknowledge All button in the alarm<br />

summary.<br />

• use the <strong>RSView</strong> Acknowledge command by itself, or with<br />

parameters to name a tag or group of tags.<br />

• use the <strong>RSView</strong> AcknowledgeAll command.<br />

Unless an alarm is acknowledged, it remains outstanding until the<br />

system is shut down, the alarm summary is full, or alarm monitoring is<br />

turned off.<br />

Creating alarms 11–13

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