JRC JLN-900 - Cyclic Alert List (ALC)

11-8
3.1.3 Cyclic alert list (ALC)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
$--ALC,xx,xx,xx,x.x,AAA,x.x,x.x,x.x,…,AAA,x.x,x.x,x.x*hh <CR><LF>
Field # Field Type Definition Note
1
--
Talker id VD = Log, VR = VDR,
SD=Depth Sounder
2
Xx
Total no. of sentences used for
message
01to 99
3
Xx
Sentence number 01 to 99
4
Xx
Sequential message identifier 00 to 99
5
x.x
Number of alert entries Number of alert entries
transported within this sentence
6
AAA
Manufacturer mnemonic code SAL
7
x.x
Alert identifier Log: 20000 + PSALW no.
VDR: 10000 + Alarm no.
8
x.x
Alert instance 1 to 999999
9
x.x
Revision counter 1 to 99
10
AAA
Manufacturer Identifier n Alert entry 0 to n
11
x.x
Alert identifier n Alert entry 0 to n
12
x.x
Alert instance n Alert entry 0 to n
13
x.x
Revision counter n Alert entry 0 to n
14
Hh
Check sum