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In order to illustrate the priority concept and the decades (priority groups), these are listed in the following table
and explained using examples:
Vertical : Maintenance-group-dependent allocation of alarm priorities
Horizontal: priority groups X0..X9 in decades
Refrigeration pack
system
X0
Heating
X1
Air
conditioning
X2
... …
X9
Horizontal
Logical classification of alarms and messages for each alarm number.
The alarm priorities listed on the left are
0 10 20 ... 90 interpreted as messages- registered in the message list
no alarm is signalled (no signal tone is sounded, buzzer)
1
2
11
12
21
22
... 91
92
interpreted as alarm
registered in the alarm and message lists
alarm is signalled remotely by modem according to the configuration
of the remote alarm signalling
alarm is signalled locally using horn and buzzer (system centre and
operator terminal)
coupled with the two alarm relays and "PRIO1 and PRIO2" LEDs
3
...
9
13
...
19
23
...
29
...
93
...
99
interpreted as Alarm- registered in the alarm and message lists
alarm is signalled remotely by modem according to the configuration
of the remote alarm signalling
alarm is signalled locally using horn and buzzer (system centre and
operator terminal)
the AUX relay is actuated depending on the configuration
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