Koden MDC-1840BB - Page 175

Chapter 10 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series
Technical Reference Operation Manual
10-4 93142122-07
VDM AIS Other Ship Data
! AI VDM, x, x, x, x, xxxxx･･････････････････xxxx, N *hh <CR><LF>
VDO AIS Own Ship Data ( Not used )
! AI VDO, x, x, x, x, xxxxx･･････････････････xxxx, N *hh <CR><LF>
ALR Set Alarm State
$ - - ALR, xxxxxx.xx, xxx, A, A, c- -c*hh <CR><LF>
Sentence
format
Talker
device
Checksum
Start of
sentence
Total of
sentence.
Message part
(6bit field)
Sentence
number
Message
number.
Channel
number.
Fill bit.
Sentence
format
Talker
device
Checksum
Start of
sentence
Total of
sentence
Message part
(6bit field)
Sentence
number
Message
number
Channel
number
Fill bit
Sentence
format
Talker
device
Checksum
Start of
sentence
A
larm condition
(A = threshold exceeded)
(
V = not exceeded
)
Time of alarm condition
change, UTC
Local alarm
number
Alarm’s description text
A
larm’s acknowledge state
(A = acknowledge)
(
V = unacknowled
g
e
)