ST50 Plus Tridata and Repeater Operation and Installation Handbook
Chapter 7: Connection to other Marine Equipment
Chapter 7: Connection to other Marine Equipment
The ST50 Plus Tridata can only be connected to other SeaTalk products.
However, the ST50 PIusTridata Repeater can communicatewith other
onboard marine electronic equipment, using the NMEA0183 protocol.
A lm
(3ftl
NM!4
interface cable is supplied with every repeater unit. The red
wire should be connected to the signal input. Up to two NMEA0183
receivers may be connected to each repeater with NMEAoutput.
RED (Signal) 2
i-‘-
BLUE (Ground)
The ST50 Plus Tridata Repeater has an NMEA0183 data output connector.
The following information will be transmitted every 1 to 2 seconds if it is
available on the SeaTalk bus.
Sentence Content Instrument Required
VWR Apparent Wind Speed (Knots)
ST50 Plus Wind
& direction
DBT
Depth of Water below the
Transducer (Feet)
ST50 Plus Depth or Tridata
HDM
Magrxtic Heading
HSC
Locked Magnetic Heading
ST50 Plus Steering Compass
SeaTalk Autopilot (Lock
Model
VHW
Water Speed (KNots) ST50 Plus Speed or Tridata
MTW
Water Temperature
1Deg.C)
ST50 Plus Speed or Tridata
VTG
Course & Speed over Ground Navigation Receiver
GLL
BWC
Latitude & Longitude
Bearing & Distance to
Wavpoint
Navigation Receiver
Navigation Receiver
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