
ELAC LAZ 5200 – Operating Instructions
Appendix
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Wärtsilä ELAC Nautik GmbH
TH 52 614 8001 EN Rev. A 09/2018
R
efer to pr
otection
notice ISO 16016
9.3.11
HBT (Heartbeat Supervision Sentence)
NMEA data set for polling the device status. The data set indicates whether or not the
device is operating normally. The data set is transmitted at regular intervals. The data set
is only transmitted by the
Navigation Echo Sounder ELAC LAZ 5200
.
The data set contains the following information:
Fig. 9.13: HBT (Heartbeat Supervision Sentence)
Item
Description
Configured repetition interval in seconds
With the Navigation Echo Sounder ELAC LAZ 5200, the repetition interval is
always "20".
Device status
•
A = Device operating normally.
•
V = Device not operating normally.
The Navigation Echo Sounder ELAC LAZ 5200 outputs an "A" if at least one
result has been obtained in echo sounding mode since the last heartbeat
check.
Message identification number from 0 to 9 that is assigned sequentially and
incremented for each new set. When the counter reaches "9", it is reset to "0".
Tab. 9.15: HBT (Heartbeat Supervision Sentence)
$--HBT,x.x,A,x*hh<CR><LF>
Содержание ELAC LAZ 5200
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