Standard Iec 61162-1 / Nmea 0183; Alarm Acknowledge (--Ack); Alert Command (--Acn) - JRC JLN-900 Installation And Instruction Manual

3.1

Standard IEC 61162-1 / NMEA 0183

The implementation of the sentences were according to the IEC 61162-1 (NMEA 0183)
standard valid at the time of approval. All outputs will, whenever possible, refer only to
messages defined in these documents. Later editions of sentences may have additional fields.
The first two characters after the $ sign define the talker identifier. Our products use the
following identifiers:
IN Integrated Navigation
SD Sounder, depth
TI Turn rate indicator
VD Velocity sensors: Doppler, other/general
VR Voyage data recorder
(See IEC 61162-1 standard for a complete list of talker identifiers.)

3.1.1 Alarm Acknowledge (--ACK)

This sentence is used to acknowledge an alarm condition reported by a device.
1 2
$--ACK,xxx*hh<CR><LF>
Field # Field Type
Name
1
Xxx
2
3 Hh

3.1.2 Alert command (--ACN)

Used for acknowledge, silence, responsibility transfer and to request repeat of alert.
1 2
$--ACN,hhmmss.ss,AAA,x.x,x.x,A,A*hh <CR><LF>
Field # Field Type
1 --
hhmmss.ss
2
AAA
3
x.x
4
x.x
5
A
6
A
7
Hh
8
3
Definition
Alarm acknowledge
Local alarm number
Check sum
3 4 5 6 7 8
Definition
Talker id
Time of alarm condition
Manufacturer mnemonic code
Alert identifier
Alert instance
Alert command
Sentence status flag
Check sum
Note
VD = Log, VR = VDR,
SD = Depth Sounder
Note
UTC
SAL
Log: 20000 + PSALW no.
VDR: 10000 + Alarm no.
1 to 999999
A: acknowledge
Q: request / repeat information
O: responsibility transfer
S: silence
C: command
11-7