Skipper DL2 User Manual

2018-05-28
Page 43 of 60
Installation DL2 Doppler Speed Log System
(transmit) ALC Cyclic alert list (sent every 30 seconds when ALF is activatied)
If the system receives this command, it will resend the active ALF sentences
$_ _ ALC ALC header
xx total number of sentencesfor this message
xx sentence number
xx sequential message identier
x..x number of alert entries
aaa manufacturer mnemonic code
x.x alert identier
x.x alert instance
x.x revieion counter
..... additional alerts
aaa manufacturer mnemonic code
x.x alert identier
x.x .....alert instance
x.x .....revision counter
hh Checksum
< CR><LF> Carriage return and line feed
(transmit) HBT Heartbeat (sent every 60 seconds if ALR or ALF are selected
$VD HBT Heartbeat header
xx Congured repeat interval (60 sec)
A Equipment status (A,V)
x Sequential sentence identier (0-9)
hh checksum
< CR><LF> Carriage return and line feed
Alarm using relay and AUX function
All ports marked AUX can de dened in the AUX setup. All AUX ports are isolated, most with optoisolators
requiring a voltage to make them operate. 1 AUX output is a relay output and this can be used for normal
alarm use or as a switch for a sounder (The system does not contain a sounder and this must be connected if
the alarms are to be used without an external alarm system)
By default AUX input 1 is used for alarm reset, the relay is used for alarm output. A second AUX output can be
used as a separate power failure alarm if required. If the relay is used for an alarm sounder, then AUX should
be set to ‘alarm beep output’. This will cause a beep 3 times every 7 seconds while an alarm is active and not
silenced.
Testing Alarm functions
On the Diagnostic conguration screen, it is possible to press a test alarm button. This will cause an alarm
using the settings in place. an ‘S’ will be shown on screen to indicate an alarm simulation is in progress.
IMPORTANT This system does not contain an acoustic sounder for alarm. If no central
alarm system is installed, then a separate sounder must be installed. This sounder must
beep at between 75 and 85dBA (as specied in IEC60945 §11.1.3)

Skipper DL2 Specifications

General

Brand	Skipper
Model	DL2
Category	Marine GPS System
Language	English