Rev.:
4
, Print date: 202
1
-
05
-
05
17
NL95
3.4.7 Powering up
After all connections have been made, double check all connections
,
then a
pply power supply and
switch
on
both
main power
and spare power supply fuse
s
.
3.4.6 NMEA communication protocol
NMEA 0183 RECEIVER SENTENCE
When NMEA sentence
$
--
ACK,000*
hh
<CR><LF>
is received, external audio alarm is accepted.
NMEA 0183 TRANSMITTER SENTENCES:
EXTERNAL ALARM
OUTPUT CONTACT
1
2
17
18
NMEA 0183 RECEIVER
($--ACK sentence)
Rx-B
Rx-A
19
20
21
Tx-B
Tx-A
NMEA 0183 TRANSMITTER
($NLALR sentence)
AUDIO
ALARM
ACCEPT INPUT
AL
2
2
3
4
5
6
7
8
9
10
12
13
14
15
16
1
AL1
AL
3
SYS
C.O. VOL
TAGE-FREE
OUTPUT CONT
ACT
18
19
20
17
21
COMMON
ALARM OUTPUT
B
A
B
A
-
RX
TX
5
6
7
8
9
10
SYS
AL1
SYSTEM OPERATING
OUTPUT CONTACT
{
{
{
{
{
{
{
{
checksum
any light or any module , V=not exceeded, A=threshold exceeded
internal power supply, V=not exceeded, A=threshold exceeded
emergency power supply, V=not exceeded, A=threshold exceeded
main power supply, V=not exceeded, A=threshold exceeded
system status, B = booting, N = Normal, F= system fail
V = alarm not muted, A= alarm muted (Valid if system status is not system fail)
alarm condition V = not exceeded, A= threshold exceeded
Sentences for no alarm situation and alarm situation are transmitted approx. each 10 s, if there is no
change in
alarm state. Sentence for alarm acknowledgement
is
transmitted only once, in situation
as described above.
IE
Connect as shown bellow. Connect cabels sheild to instrument earth
Example:
If there is no external alarm and system normally functioning,
NMEA sentence
$NLALR,,000,V,V,S=N;M=V,E=V,I=V,L=V;*40<CR><LF>
is sent each 10 seconds.
If light No.1 is turned on and has alarm,
NMEA sentence
$NLALR,,000,A,V,S=N;M=V,E=V,I=V,L=A;*40<CR><LF>
is sent at once
If alarm muted, while same alarm still exisits,
NMEA sentence
$NLALR,,000,A,A,S=N;M=V,E=V,I=V,L=A;*57<CR><LF>
is sent at once
if light alarm cleared,
NMEA sentence
$NLALR,,000,V,V,S=N;M=V,E=V,I=V,L=V;*40<CR><LF>
is sent at once and repeated
each 10 seconds
Push button for
external alarm accept
Power Supply module ITNSLP-01P
Summary of Contents for NL95
Page 1: ...Rev 4 Print date 2021 05 05 NL95 Touch Screen Navigational Light Controller NL95 User manual ...
Page 2: ...Rev 4 Print date 2021 05 05 NL95 ...
Page 42: ...Rev 4 Print date 2021 05 05 38 NL95 6 2 Configuration setup form ...
Page 51: ...Rev 4 Print date 2021 05 05 47 NL95 9 2 Configuration setup form ...