NORMAL
It is the normal system operating status without alarms and faults. The screen in this
status displays the channels (gas detectors) with gas concentration measured in real time.
Fig. 3.2.1 a) Screen in Normal status.
ALARM
The Alarm status is activated when one or more gas detectors measure a gas
concentration higher than the alarm threshold set during the configuration of the central
unit.
Programming of alarm thresholds and other parameters of each channel can be set during
PC configuration.
In the alarm window the following info is available:
Fig. 3.2.1.b) Screen in Alarm status
If there are Alarms from multiple gas detectors the, the alarm screen will present the
information of the different channels in the following manner:
• The events are ordered by severity, as follows: Over-range, Alarm3, Alarm2, Alarm1;
• Over-range is seen as an Alarm event with the highest severity.
By pressing the Enter key, with an alarm event selected, a screen opens that shows the
event details:
Fig. 3.2.1.c) Alarm1 event detail screen
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