91
2001 NEW
2001 NEW
DIGITAL INTERFACE (IEC 61162-1)
12
■
I/O Sentences
D
Remote Input and Output sentences
(IEC 61162-1)
Input: FSI (Set or Query),
Output: FSI (Query receive), DSC (DSC receive), DSE
(DSC receive)
D
Remote sentence description
• FSI—Frequency set status or command
$--FSI,xxxxxx,xxxxxx,c,x,a*hh<CR><LF>
1 2 3 4 5
1
Transmitting frequency
3 Mode of operation
2 Receiving frequency
4 Power level
5
Sentence status flag
R=Sentence is a status report of current settings (use for a reply
to a query).
C=Sentence is a configuration command to change settings.
• Query sentence
$--CTQ,FSI*hh<CR><LF>
→ $CTFSI,xxxxxx,xxxxxx,c,x,R*hh<CR><LF>
• DSC – Digital selective calling information
$CTDSC,xx,xxxxxxxxxx,xx,xx,xx,x.x,x.x,xxxxxxxxx,xx,a,a*hh<CR><LF>
1 2 3 4 5 6 7 8 9
10
11
1
Format Specifier (2 digits)
7
Time or Tel. No (Maximum 16 digits)
2 Address (10 digits)
8
MMSI of ship in distress (10 digits or NULL)
3 Category (2 digits or NULL)
9 Nature of Distress (2 digits or NULL)
4 Nature of Distress or First Telecommand (2 digits or NULL)
10
Acknowledgement (R=Acknowledge request,
B=Acknowledgement, S=Neither (end of sequence ))
5 Type of Communication or Second Telecommand (2 digits)
11
Expansion indicator (E or NULL)
6 Position or Channel/Frequency (Maximum 16 digits)
• DSE – Expanded Digital Selective Calling
$CTDSE,x,x,a,xxxxxxxxxx,xx,c--c,
………
,xx,c--c*hh<CR><LF>
1 2 3 4 5 6 7 8 9
1
Total number of sentences (fixed value)
6 Data set ‘1’ (code field, Enhanced position resolution, Maximum
8 characters), NULL
2 Sentence number (fixed value)
7
Additional data sets*
1
, NULL
3 Query/Reply flag (fixed value A=Automatic)
8
Data set ‘n’ (NULL)*
1
4 Vessel MMSI (10 digits)
9 Data set ‘n’ (NULL)*
1
5 Data set ‘1’ (code field, fixed value 00)
*
1
This transceiver outputs only “Data set 1.”
