419050/B
339
National Marine Electronics Association
For more information about the National Marine Electronics Association and the NMEA
0183 standard, refer to the organization's web site at:
•
NMEA sentence structure
A defines sentence structure is defined by NMEA to establish the communication
between two units. Most other datagram formats are designed using the same, or a
similar, structure.
The following provides a summary explanation of the approved parametric sentence
structure.
$aaccc,c-c*hh<CR><LF>
1
"
$
"
This character (Hex: 24) is used to identify the start of the sentence.
2
"
aaccc
”
This is the address field. The first two characters (aa) identifies the
talker ID
, while
the last three characters are the
sentence formatter
mnemonic code identifying the
data type and the string format of the successive fields.
3
"
,
"
The comma (Hex: 2C) is used as
field delimiter
. This character starts each field
except the address and checksum fields. If it is followed by a null field, it is all that
remains to indicate no data in the field.
4
"
c-c
"
This is the
data sentence block
. This is a series of data fields containing all the data
to be transmitted. The data field sentence is fixed and identified by the sentence
formatter in the address field. Data fields may be of variable lengths, and they are
preceded by the field delimiter.
5
"
*
"
This character (Hex: 2A) is the
checksum delimiter
. This delimiter follows the last
field of the sentence, and indicates that the following two alphanumerical characters
contain the checksum.
6
"
hh
"
This is the
checksum
.
7
<CR><LF>
The carriage return and line feed characters terminates the sentence.
Summary of Contents for SC90
Page 2: ......
Page 16: ...14 419050 B Simrad SC90 ...
Page 219: ...419050 B 217 Øverland UPC 3005 Dimensions Cable layout and interconnections ...
Page 223: ...419050 B 221 Øverland UPC 5000P Dimensions Cable layout and interconnections ...
Page 438: ...436 419050 B 427177 Transducer dock dimensions page 494 Simrad SC90 Installation Manual ...
Page 441: ...419050 B 439 Drawing file ...
Page 442: ...440 419050 B Simrad SC90 Installation Manual ...
Page 445: ...419050 B 443 Drawing file ...
Page 452: ...450 419050 B Simrad SC90 Installation Manual ...
Page 455: ...419050 B 453 Drawing file ...
Page 458: ...456 419050 B Simrad SC90 Installation Manual ...
Page 463: ...419050 B 461 Drawing file ...
Page 468: ...466 419050 B Simrad SC90 Installation Manual ...
Page 469: ...419050 B 467 Related topics Installing the optional gate valve DN350 page 84 Drawing file ...
Page 471: ...419050 B 469 Drawing file ...
Page 473: ...419050 B 471 214043 Gate valve installation DN350 Drawing file ...
Page 475: ...419050 B 473 422915 Gate valve installation DN350 Drawing file ...
Page 477: ...419050 B 475 083045 Gate valve installation DN500 Drawing file ...
Page 479: ...419050 B 477 33414 Gate valve dimensions DN350 Drawing file ...
Page 480: ...478 419050 B Simrad SC90 Installation Manual ...
Page 481: ...419050 B 479 Related topics Installing the optional gate valve DN350 page 84 Drawing file ...
Page 482: ...480 419050 B 33473 Gate valve dimensions DN350 Simrad SC90 Installation Manual ...
Page 483: ...419050 B 481 Related topics Installing the optional gate valve DN350 page 84 Drawing file ...
Page 484: ...482 419050 B 33498 Gate valve dimensions DN500 Simrad SC90 Installation Manual ...
Page 485: ...419050 B 483 Drawing file ...
Page 487: ...419050 B 485 37357 Gate valve dimensions DN500 Drawing file ...
Page 488: ...486 419050 B Simrad SC90 Installation Manual ...
Page 489: ...419050 B 487 Related topics Installing the optional gate valve DN500 page 103 Drawing file ...
Page 491: ...419050 B 489 Drawing file ...
Page 494: ...492 419050 B Simrad SC90 Installation Manual ...
Page 495: ...419050 B 493 Related topics Installing the optional gate valve DN350 page 84 Drawing file ...
Page 497: ...419050 B 495 Drawing file ...
Page 542: ... 2018Kongsberg Maritime ISBN xxx ...
Page 543: ......
Page 544: ...Simrad SC90 Fish finding sonar Installation Manual ...