Filter
Top Products
ST50 Plus Multi Operatian and fmtalfatian Handbank
ChaDterl:ConWHeedhtaUaiion
1.6 Ring Connection
Installations with a large number of instruments on a SeaTalk bus may
require a second ringmain connection to the power supply breaker to
prevent excessive voltage drops. Whether a second ring main is required
can be determined from the following:
Cable run
upto
1Om
(33ft)
Single connection:
13 instruments maximum
Second connection: 26 instruments maximum
Cable run
upto
2Cbn
(66ft)
Single connection:
7 instruments maximum
Second connection: 13 instruments maximum
The second ring-main should be connected to the spare lead on the last
instrument in the chain and directed back to the circuit breaker.
1.7 Connection to SeaTalk Compatible Autopilots
lf
the installation includes a SeaTalk compatible Autopilot the ST50 Plus
instruments may be connected to the SeaTalk bus at any point. No
independent connection to the 12V power supply is necessary as the
instruments receive power from the Autopilot course computer.
To autopilot
SeaTalk BUS
Connection
0
I
To any further
ST50 Instruments
or Autopilot
Control Units
DLI34l
1.8 Connection to other Marine Equipment
The ST50 Plus Multi has an NMEA 0183 data output connector (1).
Providing it is available on the SeaTalk bus, the following information will
be transmitted every 1 to 2 seconds:
Sentence Content
Instrument required on
SeaTalk
Bus
VWR Apparent Wind Speed
(knots) and Direction
Wind
DBT
Depth of water below
transducer (feet)
Depth or Tridata
HDM
Magnetic Compass
Heading
Steering Compass or SeaTalk
Autopilot
HSC
VHW
Locked Magnetic Compass
SeaTalk Autopilot (operating in
Heading
Auto mode)
Water Speed (knots)
Speed or Tridata
Magnetic and True
Compass or SeaTalk Autopilot
Compass Heading
GLL
Longitude and Latitude
GPS or Navdata
VTG
BWC
Course Over Ground
Speed Over Ground
Bearing and Distance to
Wavpoint
GPS or Navdata
GPS, Navdata or Navcenter
MTW
Water Temperature
(deg.C)
Speed or Tridata
A lm (3ft) NMEA Interface cable (2) is supplied with the Multi. The red wire
should be connected to the signal input and the blue wire to the signal
ground
(OVI
of the other marine equipment. Up to two NMEA 0183
receivers may be connected to each Multi.
RED (Signal) 2
I
I
BLUE (Ground)