NSR Marine NGR-1000, Руководство пользователя

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NGR-1000/NGR-3000 USER MANUAL
NGR-1000/NGR-3000 UM.E 20190331-04
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ALC - Cyclic alert list
$--ALC, xx, xx, xx, x.x, aaa, x.x, x.x, x.x, ........, aaa, x.x, x.x, x.x*hh <CR><LF>
| | | | | | | | | | | |
| | | | | | | | | | | |
| | | | | | | | | | +---------------+----------- 7
| | | | | | | | +--+-------------------------- 6
| | | | +-----+----+---+------------------------------ 5
| | | +---------------------------------------------- 4
| | +--------------------------------------------- 3
| +------------------------------------------- 2
+------------------------------------------ 1
1. Total number of sentences for this message, 01 to 99 (see Note 1)
2. Sentence number, 01 to 99 (see Note 1)
3. Sequential message identifier, 00 to 99 (see Note 2)
4. Number of alert entries (see Note 3)
5. Alert entry 1
6. Additional Alert entries (see Note 4)
7. Alert entry n (see Note 4)
NOTE 1: The first field specifies the total number of sentences used for a message, minimum
value 1. The second field identifies the order of this sentence in the message,
minimum value 1, These cannot be null fields.
NOTE 2: The sequential message identifier relates all sentences that belong to a group of
multiple sentences (i.e. message). Multiple sentences (see Note 1) with the same
sequential message identifier, make up one message.
NOTE 3: Contains the number of alert entries transported within this sentence.
NOTE 4: Alert entry 0 – n: Each alert entry consists of four fields:
• Manufacturer Identifier (see ALF Manufacturer Identifier)
• Alert Identifier (see ALF Alert Identifier)
• Alert instance (see ALF Alert instance)
• Revision Counter (see ALF Revision Counter)
Each entry identifies a certain alert with a certain state. It is not allowed that an alert entry is
split between two ALC sentences.