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Navitron Systems Ltd |
Autopilot
Type NT999G
Technical Specifications |
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Certification
Standards: -
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Fully Type Approved to ISO 16329 (HSC Code) ISO11674 & IMO A342 (IX) as amended by MSC64/67 Annex 3.
Wheelmarked in accordance with MED 96/98/EC
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Autopilot
Input / Output Specifications
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Inputs:- |
Inputs:- |
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Supply Voltage Range |
11- 40Vdc |
NMEA 0183 Heading Data (Isolated RS422 / 485) |
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Power Consumption |
10W |
Channel 1 Update Rate |
Selectable @ 1Hz, 10Hz, 20Hz, 40Hz or 50Hz |
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Illum Max |
2W |
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Sentence Types (Mag/Gyro versus Update Rate) |
Hz |
Mag |
Gyro |
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Mag Heading Input Port |
1 |
$HCHDM |
$HEHDT |
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Navitron HSC etc. |
Coil Type HSC 1 or HSC 2 |
$HCHDG |
$AGHDT |
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$APHDM |
$HETHS |
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Resolution |
0.25° |
$APHDG |
$AGTHS |
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10 |
$HCHDM (5Hz) |
$HEHDT |
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Gyro / Mag heading Input Ports |
$HCHDG |
$HETHS |
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Channel 1/2/3 |
Mag |
Gyro |
20 |
$HCHDM |
$HEHDT |
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NMEA 0183 (Gyro / Mag and 4800 / 38400 baud Selectable) |
$XX HDM |
$XX HDT |
40 |
$HCHDG |
$HEHDT |
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$XX HDG |
$XX HDM |
50 |
$HCHDG |
$HETHS |
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$XX HCC |
$XX HDG |
Resolution |
0.1° |
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$XX HDT |
$XX HCC |
Channel 2 |
10 |
$APROR |
$AGROR |
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Resolution |
0.1° |
$APTRC |
$AGTRC |
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Autopilot Status Data |
1 |
$APRSA |
$AGRSA |
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Step by Step Heading Input Port |
$APHTD |
$AGHTD |
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Type |
'S' Type |
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Voltage |
5Vdc Only |
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Steps / Degree |
3, 6, 12 or 24 |
Furuno Heading Data |
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Max Consumption |
2mA / Line |
Update Rate |
Selectable @ 5Hz or 40Hz |
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Resolution |
Selectable @ 0.166 or 0.1° |
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Follow Up Rate (minimum) |
Signal Amplitude |
Isolated 5Vdc (RS422 / 485) |
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All Heading Input Types |
30° / Sec |
Output |
20mA Max (Source / Sink) |
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Step by Step Heading Data |
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NMEA Speed or Pulse Input Data |
Steps per Degree |
Selectable @ 3, 6, 12 or 14 |
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Speed over Ground (SOG) |
$XX VBW $XX VTG |
Signal
Amplitude |
5Vdc |
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Speed Through Water (STW) |
$XX VBW $XX VHW |
Maximum Rate |
Selectable @ 8, 16 or 24°/Sec |
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200/400 ppNm |
5-24Vp/p STW in only |
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Z out |
470R |
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Draft Input Data |
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Analogue |
4 - 20mA |
Triple +/- 10Vdc Analogue outputs |
Z out 200R |
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Track Steer Data Input Ports |
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NMEA 0183 Track Data from Track Control System (Priority as shown) |
$XX HTC $XX APB $XX HSC |
Triple 4 - 20mA Outputs |
Max Voltage / Load Res,. 20Vdc / 1K |
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Twin Solid State Solenoid Switching (Rudder A / B) |
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Polarity |
Comm., +VE / -VE Selectable |
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Max Rating |
5A @ 11 - 110Vdc Max |
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Operating Temperature Range |
-20 to +60 °C |
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System Alarms |
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Main Power fail |
Watch Alarm Timeout |
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Back Up Power Fail |
OHA Limit |
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Heading Data Fail |
CCA LImit |
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Compass Safe Distance |
Track Data Fail |
Course Change |
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Control Unit |
0.5m |
Steering Fail |
Track Heading Change |
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Distribution Unit |
1.5m |
Dist Unit Fail |
Dodge Limit |
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Distribution Unit Fail |
Rudder Ref Unit Fail |
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Mechanical Data |
Control Unit |
Dist Unit
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Limit Switch Status |
Remote Control Engaged |
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CCA Data Fail |
Control Unit Fail |
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Width |
252mm |
300mm |
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Height |
156mm |
300mm |
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Depth - (behind bezel for Control Unit) |
48.4mm |
120mm |
Volt free Auxiliary Alarm Contacts are available (n/o rated 3A) for Watch, Off Heading, Power Fail and System Fail to adittional Alarm units as required. |
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Weight |
2.2kg |
9.5kg |
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