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5. INTERFACE
(IEC 61162-1, IEC 61162-2)
5.1 Data Sentences
Some sentences described here are the ones proposed by the recent IEC TC80/WG6 (Digital
Interface Working Group) at the time of this publication. They are marked with PAS 101 or PAS
102.
ALA - Set detail alarm condition
0 1 2 3 4 5 6 7 8 9
$xxALA, hhmmss.ss, aa, aa, xx, xxx, A, A, c—c *hh<CR><LF>
0: Header 1:
Event time (Optional) 2: System indicator of alarm source
3: Sub-system/equipment/item indicator of alarm source 4: Number of equipment / units / items
5: Number of alarm source 6: Alarm condition 7: Alarm’s acknowledge state
8: Alarm’s description text 9: Check-sum
ALR - Set alarm status (PAS 101)
Updated the text label of the alarm identification field to be the same as that field in the ACK
sentence.
$--ALR,hhmmss.ss,xxx,A,A,c--c*hh<CR><LF>
Alarm’s description text
Alarm’s acknowledge state, A = acknowledged, V=
unacknowledged
Alarm condition (A = threshold exceeded, V = not exceeded)
Unique alarm number (identifier) at alarm source
Time of alarm condition change, UTC