Cetrek 930346 User manual

930346
Transducer Interface for C-net 2000
INTRODUCTION
The 930346 Speed, depth and Temperature interface transmits NMEA 0183
messages to a c-net 2000 Display.
SPECIFICATION
Supply +12V DC nominal (+9V to +15V)
Power consumption 60mA average
Speed range 0.0 to 99 knots
Trip range 0.0 to 999.9 nautical miles
Depth range 0.5 to 140 metres
Temp. transducer range -10 to +40ºC
Sonar burst frequency 200 KHz
Circuit protection Reverse voltage protection
Operating temperature 0º to +55ºC
Storage temperature -20º to +75ºC
Output NMEA messages output approximately every second
Messge formats
$IIDPT,xxx.x, 0.0<CR><NL> (depth in metres)
$IIDBT,xxx.x,N,,K<CR><NL> (depth in feet),f,(depth in metres)
$IIVHW,,T,,M,xxx.x, N,,K<CR><NL> (speed in knots)
$IIVHW,,N,xxx.x,N<CR><NL> (distance in miles)
$IIMTW,xxx.x,C<CR><NL> (temperature in ºC)
Document
reference:
803460
Issue 03
May ‘98 This product complies with
EMC Directive 89/336/EEC
A Company committed to Quality.

Before mounting the unit, the
transducers must be wired to it.
Remove the 4 screws holding the case
halves together.
Remove any plugs from the
transducer cables then feed
the cables through the cable
glands.
Wire them to the terminal
blocks as indicated below.
Refit the two case halves back together, being careful not to trap the cables
behind the large capacitor.
Check that the power is disconnected and connect the output cable to one
of the 3 NMEA-IN ports of a C-net 2000 instrument.
Where a screen/chassis connection point is available (NOT Ships Supply -ve),
connect the screen of the output cable to it.
Finally mount the 930346 Interface box to the bulkhead.
INSTALLATION
Position the 930346 Interface on a
vertical bulkhead, with the cable glands
pointing down.