Koden MDC-5204, Installation Manual

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Chapter 7 Input/output data MDC-5200/5500 Series
7-6 0092655002-03
HBT Heartbeat supervision sentence
x*hh<CR><LF>
Check sum
Sequential sentence identifier
Equipment status A=Yes, V=No
Configured repeat interval
$ -- HBT, x.x, A,
ACK Acknowledge alarm
Check sum
Unique alarm number (identifier) at alarm source
$ -- ACK, xxx *hh<CR><LF>
Heartbeat
AIS target and own ship information
VDM AIS VHF data-link message
x*hh<CR><LF>
Check sum
Number of fill-bits, 0 to 5
Encapsulated ITU-R M.1371 radio message (Message part, 6bit fields)
AIS channel (A/B)
Message number, 1 to 9
Sentence number, 1 to 9
Total number of sentences needed to transfer the message, 1 to 9
VDO AIS VHF data-link own-vessel report
x*hh<CR><LF>
Check sum
Number of fill-bits, 0 to 5
Encapsulated ITU-R M.1371 radio message (Message part, 6bit fields)
AIS channel (A/B)
Message number, 1 to 9
Sentence number, 1 to 9
Total number of sentences needed to transfer the message, 1 to 9
a,
s--s,
! -- VDO, x, x, x,
a,
s--s,
! -- VDM, x, x, x,