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8.2
General
The ventilator module is equipped with automatic means for detection and
identification of serious and sudden events through alarm or information signals.
The aim of the alarm signal is to draw the attention of the user on the event, as well
as to indicate the required response speed; they differ for:
Level or
•
urgency,
divided into:
•
•
Level of
•
severity,
•
divided into:
•
The combination of urgency level and severity level of the listed factors,
determines the assignment of priority condition of an alarm situation.
The aim of the information signal is to send a message which may
require more supervision by the user; contrary to alarm signals, they do
not require the user's intervention.
The parameters and the characteristics (activation time, presence or
lack of an acoustic and/or luminous indicator) and the possible user's
actions respect to the alarm signals (silencing, suspend, inhibit) are
described here below.
8.2.1 Logic on alarm management
•
The system checks the status of each alarm in every verification cycle identified
in the software.
•
Each alarm starts from an inactive status corresponding to: false alarm
condition.
•
The indication of an active status of an alarm occurs after a delay time, during
which the alarm condition must persist (the delay time varies according to the
type of alarm and the operating mode being used).
•
Each alarm has a visual signal (multi-language message and icon in the alarm
area).
MORPHEUS
Immediate, the event is potentially able to develop in a period of
time which generally is not enough to undertake a corrective
manual action;
brief, the event is potentially able to develop in a period of time
which generally is enough to undertake a corrective manual action;
delayed, i.e. that the event is potentially able to develop in a not
specified period of time.
severe, i.e. leading to irreversible damage
moderate, i.e. leading to reversible damage
minor, i.e. involving a distress or leading to a minor damage
8-3
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