NT921GOutline Specifications
All Navitron Autopilot systems are covered by comprehensive warranty terms and are supplied standard complete withMag Heading Sensor Coil, Rudder reference Unit and Control Unit incorporating 11 - 40Vdc 5A rated solid state switchesfor the control of solenoid hydraulic steering systems. Various optional equipment includes dual channel Analogueoutputs (-10V to +10V) for Analogue steering system control.
NT921G Autopilot Input/Output Specifications
Inputs:- Outputs:-
Supply Voltage Range 11-40VdcPower Consumption 2.5W (@24Vdc)
Illumination Max 8.1W (@24Vdc)
Mag Heading Input PortsNavitron Heading
Sensor Coil mounted Coil type HSC1above/below or HSC2
Existing Mag CompassResolution 0.25˚
NMEA 0183 Heading XX HDMSentence from XX HDG
Electronic Compass XX HCC(Priority as shown) XX HDT
Resolution 0.1˚
Gyro Heading Input PortsIsolated 1:1 Synchro 400Hz Excitation
available in Gyro from AutopilotResolution 0.25˚
NMEA 0183 Heading XX HDTSentence from Gyro XX HDM(Priority as shown) XX HDG
XX HCCResolution 0.1˚
Follow Up Rate (Minimum)All Heading Input Types 30˚ / Sec
Cross Track Error Signal Input (GPS etc)XX APA
NMEA 0183 XX APBSentence types XX RMB
XX XTENMEA 0180 (CTE only)
Operating TemperatureRange -20 to +60˚C
Operator ControlsYawRudderCounter RudderRudder LimitIlluminationMode SwitchGyro/Mag Selector
Panel AlarmsPower FailSteering System FailHeading Input FailData Input FailOff CourseRemote EngagedAlarm Test Facility
NMEA 0183 (Isolated RS422)Update Selectable @
Rate 1Hz, 11Hz or 22HzHz Mag Gyro
Sentence HCHCCTypes 1 HCHDG HEHDT
(Mag/Gyro APHCC AGHDTV APHDG
Update 11 HCHDM HEHDTRate) HCHDG AGHDT
22 HCHDM HEHDTResolution 0.1˚
Furuno Format
Update Rate Selectable @5Hz or 40Hz
Resolution Selectable @0.166˚ or 0.1˚
Signal Amplitude Selectable @5Vdc or 12Vdc
Step by Step
Steps per degree Selectable @3, 6, 12 or 24
Signal Amplitude 5Vdc
Navitron Serial Data
To Navitron Digital Repeaters Etc.
Solenoid Switching
Polarity Selectable @Common +VE/-VE
Max Rating 5A @ 40Vdc