Saab R5 - General Input Sentences; ACK Acknowledge Alarm Sentence; EPV Equipment Property Sentence; SPW Security Password Sentence

R5 SOLID AIS System
INTERPRETATION OF INPUT SENTENCES
7000 118-200, C2 Page 69
8.2 General Input Sentences
8.2.1 ACK – Acknowledge Alarm
$--ACK,xxx
Field
Format
Name
Comment
1
--ACK
Sentence Id
Used
2
xxx
ID of the alarm source
Used
8.2.2 EPV – Command or report equipment property value
$--EPV,a,c--c,c--c,x.x,c--c,
Field
Format
Name
Comment
1
--EPV
Sentence Id
Used
2
a
Sentence status flag
Used
3
c--c
Destination equipment type
Used, AI or STT
4
c--c
Unique Identifier
Used, may be null
5
x.x
Property identifier
Used
6
c--c
Value of property to be set
Used
8.2.3 SPW – Security Password Sentence
$--SPW,ccc,c--c,x,c--c
Field
Format
Name
Comment
1
--SPW
Sentence Id
Used
2
ccc
Password protected sentece
Used
3
c--c
Unique Identifier
Used, may be NULL
4
x
Password level
Used
5
c--c
Password
Used
8.2.4 HBT – Heartbeat Supervision Sentence
$--HBT,x.x,A,x
Field
Format
Name
Comment
1
--SPW
Sentence Id
Used
2
x.x
Configured repeat interval
Used (Limited to 60 sec)
3
A
Equipment status
Used
4
x
Sequential sentence
identifier
Ignored
8.3 AIS Specific Input Sentences
8.3.1 ABM – Addressed Binary and Safety-Related Message
!--ABM,x,x,x,xxxxxxxxx,x,x.x,s--s,x
Field
Format
Name
Comment
1
--ABM
Sentence Id
Used
2
x
Total nr of sentences
Used if in interval 1..9,
otherwise the sentence is
ignored
3
x
Sentence number
Used if in interval 1..total
sentences, otherwise the
sentence is ignored
4
x
Sequential message identifier
Used if in interval 0..3,
otherwise the sentence is
ignored
5
xxxxxxx
xxx
MMSI of Destination
Used
6
X
AIS Channel
Used
7
x.x
Message Id
Used if 6 or 12, otherwise the
sentence is ignored
8
s--s
Encapsulated Data
Used
9
x
Number of filled bits
Used