NORTHROP GRUMMAN NAVIGAT X MK 1 Operation, Installation And Service Manual Download Page 16

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056343/C

NAVIGAT X MK 1

1-6

Technical Data

Dimensions and Weight

width

404 mm

height

520 mm

depth

420 mm

weight

25 kg approx.

Data Inputs

ext. gyro heading

NMEA 0183 / IEC 61162-1
or PLATH protocol
or Lehmkuhl (1200, 2400, 4800 or
9600 Bd.)

magnetic heading

NMEA 0183 / IEC 61162-1
or PLATH protocol
or NAVIPILOT

position

NMEA 0183 / IEC 61162-1

speed

NMEA 0183 / IEC 61162-1

compass monitor NAVITWIN

NMEA 0183 / IEC 61162-1

Signal and Status Inputs

magnetic heading,
fluxgate sensor

sin., cos. and ref. voltages from
Sperry Marine fluxgate sensor
type 4863

speed, 200 pulse/nm

connection to P.Gnd via ext. con-
tact, momentary

rudder angle feedback unit
(2x; reads rudder angle for output
to NAVIPRINT)

0 – 5 VDC return voltage from
feedback potentiometer(s)

steering mode status (auto/man)

connection to P.Gnd via ext. con-
tact, latching

ext. heading reference sel.
(gyro1/gyro2)

connection to P.Gnd via ext. con-
tact, latching

ext. heading reference sel.
(gyro/mag)

connection to P.Gnd via ext. con-
tact, latching

ext. alarm acknowledge (mute)

connection to P.Gnd via ext. con-
tact, momentary

status input port (log status or
hdg. +180° function)

connection to P.Gnd via ext. con-
tact, latching

404

520

420

Summary of Contents for NAVIGAT X MK 1

Page 1: ...r 19 D 20097 Hamburg Germany Tel 49 40 299 00 0 Fax 49 40 299 00 146 E mail service de sperry ngc com Operation Installation and Service Manual NAVIGAT X MK 1 Digital Gyrocompass Systems Type 4914 CA Stock No 74807 and Type 4914 CC Stock No 74811 056343 C 08 May 2008 ...

Page 2: ...ntent should be verified with NGSM BV Sperry Marine with worldwide headquarters in Charlottesville VA and major engineering and support offices in Melville NY New Malden England and Hamburg Germany is part of the Northrop Grumman Electronic Systems sector Revision Record Rev Date Remarks C 08 May 2008 Added new options AD10 output alarm mute relay speed filter B 17 Nov 2006 Removed gyrospere insta...

Page 3: ...t strictly observed could result in injury or death of personnel CAUTION A Caution notice contains an operating or main tenance procedure practice condition state ment etc which if not strictly observed could result in damage to or destruction of equip ment Note A Note contains an essential operating or main tenance procedure condition or statement which is considered important enough to be highli...

Page 4: ...y in case of failure of the gyrocompass es WARNING Before using this system operators must be appropriately trained and familiar with the operating procedures and safety instructions contained in this manual Keep system manuals in a well known readily available location CAUTION The supporting fluid in the gyrosphere container will start freezing at temperatures below 0 C The NAVIGAT X MK 1 may no ...

Page 5: ...ng box only if required for immediate installation CAUTION After power down of the compass system it may take up to 45 minutes for the gyroscopes to stop rotating During this time the container must be handled with extreme care Should the sphere touch the wall of the container the momentum of the rotating gyroscopes will make it topple and damage the center pin CAUTION The NAVIGAT X MK 1 contains ...

Page 6: ...056343 C NAVIGAT X MK 1 1 iv ...

Page 7: ...ng Keys 2 2 Control and Display Unit 2 2 2 3 External control devices 2 3 2 4 Power up Sequence 2 4 2 5 Selecting the active heading source 2 5 2 6 Adjusting the display brightness 2 5 2 7 Optional Functions 2 6 Muting Alarms Remotely 2 6 Reversing the Heading Display 180 offset 2 6 Resetting Acknowledging a Central Watch Alarm 2 6 2 8 Operating Menu 2 7 Entering and Quitting the Main Menu 2 7 Nav...

Page 8: ... Month Maintenance 4 1 Five Year Maintenance 4 2 Chapter 5 Preventive Maintenance 5 1 Protecting the Gyrosphere from Low Temperatures 5 1 Removing the container from the compass housing 5 2 Parts materials and tools required 5 2 Procedure 5 2 Re installing the container in the compass housing 5 4 Parts materials and tools required 5 4 Procedure 5 4 Power up function test 5 6 Procedure 5 6 Chapter ...

Page 9: ...tup Access Code 7 16 Technical Pages Overview 7 16 Technical Pages Parameters 7 17 Chapter 8 Troubleshooting 8 1 Troubleshooting Instructions 8 1 8 2 Location of Parts on the Master PCB 8 2 Exchangeable Components 8 3 Connectors 8 3 Test Resistor Trimpots 8 4 Diagnostic LEDs 8 4 Chapter 9 Corrective Maintenance 9 1 Exchanging the System Software 9 1 9 2 Replacing Socketed ICs 9 2 Appendix A Setup ...

Page 10: ...056343 C NAVIGAT X MK 1 viii ...

Page 11: ...rd foam housing allows the gyrocompass to be installed on any bridge If required the operating unit may be installed at a location remote from the compass or an addi tional remote operating unit may be used The unique method of supporting the gyrosphere by means of mere buoyancy ensures North stabilisation during short power failures E g after a three minute loss of power no more than two degrees ...

Page 12: ...porting fluid inside the gyrosphere con tainer Because the buoyancy of the sphere is a little greater than its weight a bearing cup at the bottom of the recess is pressed against the centering pin and keeps the sphere exactly centered in the container In order to make the gyroscope system pendulous that is to provide the gravity controlling moment the gyrosphere is designed so that its cen tre of ...

Page 13: ... to external equipment TMC function The heading diff alarm function permits to monitor the difference between the gyro and magnetic heading sources In case of failure of the gyrocompass the magnetic heading source may be activated to provide an emergency heading reference for repeaters and other peripheral equipment Figure 1 2 Standalone Gyrocompass TMC system Magnetic Compass Position Receiver Sp...

Page 14: ...em or entered manually Alarms generated locally by a NAVIGAT gyrocompass are indicated and may be acknowledged at the NAVITWIN IV In turn the NAVITWIN IV transmits system wide operational settings and setup parameters to the NAVIGAT gyrocompasses The available heading sources the current source selection and the hdg diff threshold are also indicated at both gyrocompasses If a magnetic heading sour...

Page 15: ...C ambient temperature storage without supporting fluid 25 to 70 C environmental conditions EMC in accordance w IEC 60945 Protection Grade according to IEC 60529 DIN 40050 IP 23 Magnetic Clearance to standard magnetic compass 0 6 m to steering magnetic compass 0 4 m reduced to standard magnetic compass 0 3 m reduced to steering magnetic compass 0 3 m Power Supply supply voltage main 115 230 VAC 50 ...

Page 16: ...d ref voltages from Sperry Marine fluxgate sensor type 4863 speed 200 pulse nm connection to P Gnd via ext con tact momentary rudder angle feedback unit 2x reads rudder angle for output to NAVIPRINT 0 5 VDC return voltage from feedback potentiometer s steering mode status auto man connection to P Gnd via ext con tact latching ext heading reference sel gyro1 gyro2 connection to P Gnd via ext con ta...

Page 17: ... NMEA 0183 IEC 61162 1 to ext gyro compass monitor NAVITWIN NAVIPRINT output serial data to nav data printer Signal and Status Outputs 6 step output 2 x 3 phases switched to 0V potential if active minus switching common positive internal supply 24 VDC max 18 W 12 70 VDC phase voltage when ext power supply is used rate of turn analogue 0 1 999 9 mV min max 10 V 10 mA power failure general alarm hea...

Page 18: ...056343 C NAVIGAT X MK 1 1 8 Technical Data ...

Page 19: ... temperature will not fall below 0 C If no storage place is available where the ambient temperature will not fall below 0 C the gyrosphere must be removed from the gyrosphere container to prevent possible damage by frozen supporting fluid CAUTION The supporting fluid in the gyrosphere container will start freezing at temperatures below 0 C The NAVIGAT X MK 1 may no longer be operated when the ambi...

Page 20: ...s executed Up F2 key In menu mode returns from the main menu to nor mal operational mode Within a sub menu scrolls up through avail able pages on same menu level When pressed simultaneously with the SHIFT key the F2 function is executed Down F3 key Calls up the Main Menu from normal operational mode Within a sub menu scrolls down through available pages on same menu level When pressed simultaneous...

Page 21: ...n external device may be used to select the active source i e the heading reference to be distributed to compass repeaters heading control system RADAR ECDIS etc An external selector switch may be used to reverse the heading apply a 180 offset to the heading data e g for operation in double ended ferries The audible alarm at the NAVIGAT X MK 1 the may be muted from a remote device e g a central al...

Page 22: ...e display shows the heading data from the available compasses and the heading difference alarm threshold The currently active heading source is indi cated by an arrow symbol next to the source s name WARNING After a power up from cold the NAVIGAT X MK 1 requires a settling time of three hours before reliable heading data is available Power up the system at least three hours before leaving harbour ...

Page 23: ...rol and display unit Press the selector key next to the desired source s heading display The selected source is made active Note If the system is configured for source selection from an external device selection from the control and display unit is disabled The active heading source can be changed in a manual steering mode only In automatic steering modes source selection is disabled and an error ...

Page 24: ...trol Resetting Acknowledging a Central Watch Alarm If connected to a central watch alarm facility dead man alarm the NAVIGAT X MK 1 will automatically reset the watch alarm timer when ever a key is pressed on the unit Should a watch alarm be given pressing any key at the NAVIGAT X MK 1 will acknowledge the alarm and reset the watch alarm timer Note A remotely muted alarm remains in the pending una...

Page 25: ...ions From the normal operational mode press the MENU or the Down key to enter the menu mode The main menu screen opens From the main menu screen press the Up key to return to the normal opera tional mode The NAVIGAT X MK 1 returns to nor mal operational mode Press Shift F1 Shift F2 or Shift F3 to go to the respec tive sub menu Arrow symbols at the right of the window indicate that further pages ar...

Page 26: ...setting indicate that a selection can be made from a list of options With the Up Down keys select the required option Press Shift ENTER to confirm and store the selection MENU leaves the sub menu without changes A flashing box cursor indicates that a parameter s value is editable With the Up Down keys edit the character at the current cursor position With the Dim Dim arrow keys move the cursor for...

Page 27: ...yed until another page is selected or the Dis play Data mode is quit From the Main Menu press SHIFT F1 to go to the Display Data sub menu With the Up Down keys select the required page to display The following data pages are available True heading own gyro heading Rate of turn Correction mode and value Magnetic comp heading Magnetic variation Position Mode Latitude Longitude in auto mode Speed Mod...

Page 28: ...al settings must be entered at the NAVITWIN The NAVITWIN will overwrite any manual settings entered locally at the NAVIGAT X MK 1 control and display unit SPEED LATITUDE HDG DIFF ALARM MAGNETIC VARIATION SPEED LAT MODE BETWEEN MODE AUTO SPEED MODE GY1 GY2 AUTO AUTO POSIT MODE man lat value 99 99 99 N 99 99 99 S SPEED LAT SET man speed value 0 0 99 9 kts speed latitude input settings heading differ...

Page 29: ... NAVIPRINT SETTINGS ROT ON OFF NAVIPRINT TIME CONST ROT PAP SPEED HDG ON damping time constant 0 0 10 0 s 60 mm 30 OFF 150 mm 180 600 mm north speed error correction nav data printer settings rate of turn time constant RUDDER 9 45 70 OFF MAX VALUE ROT ROT alarm threshold 0 9999 min contd from previous page ...

Page 30: ... data is read automatically from the serial data or the 200 pulse nm input MAN The actual speed value is entered manually Posit Mode Selects the position input mode Settings AUTO Position data is read automatically from the serial data input MAN The actual position is entered manually Speed Lat Set Sets the manual input values for the speed and latitude Values speed 0 0 99 9 kn latitude 90 00 00 N...

Page 31: ...yro 2and magnetic hdg OFF Hdg diff monitoring is disabled Alarm threshold Sets the alarm threshold value Value 0 99 Sets the magnetic variation input parameters Mode Selects the magnetic variation input mode Settings AUTO Mag variation data is read automatically MAN The actual mag variation value is entered manually Manual Value Sets the manual input value for mag variation Value 99 9 W 99 9 E Sel...

Page 32: ... print position shifts to centre when graph reaches margin 180 scale to show 180 to the left and to the right from the graph s centre current print position shifts to the centre when graph reaches margin Rudder Sets the scaling of the rudder angle graph Settings 9 scale to show 9 to the left and to the right from the graph s centre This setting provides a high resolution recording of small rudder ...

Page 33: ...tant ROT Sets the damping time constant for the analogue rate of turn output The larger the time constant the less short time fluctuations will be present in the analogue rate of turn output voltage Value 0 0 10 0 s Max value ROT Sets the alarm threshold for the Max Rate of Turn exceeded alarm Value 0 0 6000 min ...

Page 34: ...User Setup Overview Figure 2 4 User Setup ON OFF TIME DATE TIME MODE AUTO MAN DATE dd mm yy day month year hh mm hours minutes SOFTWARE VERSION master board nn n MAG C CAL TABLE MAG C CAL TABLE ENTER VALUES F1 corr value 99 9 99 9 hdg display 0 0 359 9 entry 0 49 input date time software version info magnetic compass calibration table display board nn n ...

Page 35: ...ts the current time manually Value hh mm current time in format hours minutes Note If manual input is used date and time must be set after each power up Displays the master and display board software version info Settings none The software version sub menu is read only Sets the parameters for the magnetic compass calibration table Mag C Cal Table Switches the automatic magnetic heading correction ...

Page 36: ...056343 C NAVIGAT X MK 1 2 18 User Setup ...

Page 37: ...ssage gyro failure The message remains on the screen until the operator acknowledges the alarm or the cause of the alarm is no longer present A single short beep indicates that the operator attempted to carry out an invalid action This is the case e g if the operator tries to change the heading reference in an automatic steering mode or to activate a head ing source from which no valid data is rec...

Page 38: ... viewed in the error list in the Service Setup 2 Note When an alarm has been acknowledged the ext alarm status output remains active until the cause of the alarm is eliminated When the cause of an alarm is eliminated the alarm is acknowledged automatically and the alarm status is cleared The NAVIGAT X MK 1 does not keep a history of past inactive alarms To mute the audible alarm at the NAVIGAT X M...

Page 39: ...ce station GYRO N FAILURE N ext gyro ID FAILURE GYRO N Loss of data from ext gyro heading source If failed gyro is active hdg source activate another source if available Check ext gyro heading source and interface MAGN COMPASS ERROR FAILURE MAGN Loss of mag netic heading data from ext source Check mag netic heading source and interface MAGN VAR INVALID MAGN VAR INVALID Loss of magn variation data ...

Page 40: ... thresh old if unwanted alarms are given FAILURE AC SUPPLY FAILURE AC SUPPLY Loss of power from main sup ply Check AC main power supply FAILURE DC SUPPLY FAILURE DC SUPPLY Loss of power from backup supply Check DC backup power supply RECOM MENDED ANNUAL MAIN TENANCE DUE see manual OPERATION TIME Alarm given at power up if more than 18 months have passed since last gyrosphere maintenance Acknowledg...

Page 41: ... option is provided to reset the system without cycling the power warm start Service Setup 2 Access Code To prevent inadvertent or unauthorized changes to the system configu ration all service setup menus are protected by access codes To access the Service Setup 2 Press Shift F2 to select Service Setup When prompted for the setup code Enter code 610 Press Shift ENTER to confirm the code The Servic...

Page 42: ...nce last gyroshpere service hours GYROSPHERE DATA OP TIME COUNTER DATA LIST TEMPERATURE gyrosphere ambient temperature PH BRIDGE phase bridge voltage GYRO CURR gyrosphere current gyrosphere operational data operation time counter list of operational data initiate system reset ERROR LIST RESET MK 1 error messages number of errors list of active errors system reset warm start ...

Page 43: ...re current Displays the gyrosphere operation time counter Displays Operation time in hours since last gyrosphere maintenance The operation time counter is reset to zero by field service personnel during gyrosphere maintenance Displays the currently active system alarms Displays Error messages The display alternates through the message texts of all active alarms If no errors are present No Errors i...

Page 44: ...056343 C NAVIGAT X MK 1 3 8 Service Info Menu Service Setup 2 ...

Page 45: ... maintenance the gyrosphere and the inner surface of the con tainer are cleaned and all fluids are renewed If necessary the centering pin is exchanged CAUTION Do not clean the compass with organic solvents acetone or any other substance which could damage or discolour plastic Use only water and soap or a mild detergent to clean the compass CAUTION Scheduled maintenance or service work on the gyros...

Page 46: ...sk of failure Sperry Marine recommends that every five years the gyro sphere and the centring pin are exchanged by authorized service per sonnel Note The five year exchange interval for the gyrosphere is to be regarded as a recommendation only Under normal conditions the gyrosphere is able to operate flawlessly over a considerably longer period of time ...

Page 47: ...rage place is available the gyrosphere must be removed from the gyrosphere container to prevent possible damage by frozen supporting fluid Removal and storage of the container as a whole with the gyrosphere installed as well as later re installation of the container may be carried out by shipboard personnel Removal of the gyrosphere from the container and re installation of the sphere into the con...

Page 48: ...e sphere touch the wall of the container the momentum of the rotating gyroscopes will make it topple and damage the center pin When the container is temporarily stored away with the gyrosphere installed pack it into its original transport box or another suitable outer package and make sure that the container is stored in an upright position the temperature at the storage location cannot fall below...

Page 49: ...tongues slide down in the grooves of the bayonet and the container is released from the col lar 8 Carefully remove the container from the housing and take it to its storage location 9 At the storage location carefully place the container into its original transport box or another suitable outer package 10 Clearly label the packaged container and store it safely in an upright position making sure t...

Page 50: ...t to the compass location 2 Unscrew the 5 mm hex head screws of the compass housing door and take off the door from the housing 3 Disconnect the grounding strap between door and housing Place the door aside If the door is put next to the housing the keypad cable may be left connected to the master PCB 4 Gently turn the bellows until the largest of the three coupling seats in the bayonet collar poi...

Page 51: ...nector into its socket on the gyrosphere container 10 Check that the gyrosphere con tainer turns freely around the verti cal 11 Put the door in front of the housing so that the keys can be oper ated If the keypad or display has been disconnected during gyro sphere installation reconnect it 12 The compass is now ready to be put into operation Leave the housing door open to observe the settling of t...

Page 52: ...nd the vertical following the motion of the sphere The amplitude and speed of this motion will steadily decrease until the sphere finally settles DANGER When the compass is energized the gyrosphere operating voltage of 100 VAC 337 Hz is present on the master PCB the gyrosphere supply lines and across the gyrosphere contacts When operating the compass while the housing is open do not touch the mast...

Page 53: ...e current in mA 4 After a settling time of at least 4 hours verify that the compass has settled to the correct heading Directly after power up the gyro sphere current should not exceed 550 mA The current will gradually fall while the gyrosphere settles Within 45 minutes after power up the gyrosphere current must have dropped below 300 mA CAUTION If 45 minutes after power up the gyrosphere current ...

Page 54: ...056343 C NAVIGAT X MK 1 5 8 Protecting the Gyrosphere from Low Temperatures ...

Page 55: ...se by means of six M10 bolts or welding studs to be supplied by the shipyard At the location of the compass proper ventilation must be ensured and sufficient space provided for the housing to be opened and maintenance work to be carried out For the amount of space required the attachment points and the posi tion of the cable inlets refer to dimension drawing 4914 0112 02 In the horizontal plane th...

Page 56: ...ower transformer s terminals When the compass is energized main and or backup supply present the gyrosphere operating voltage of 100 VAC 337 Hz is present on the master PCB the gyrosphere supply lines and across the gyrosphere con tacts When configuring the system for the vessel s AC supply voltage make sure the compass main and backup power supplies are switched off and safeguarded against accide...

Page 57: ...n wires from one side of the housing to the other Route wires con necting to TB1 TB4 through the inlets on the left hand side of the hous ing and wires connecting to TB5 TB7 through the inlets on the right hand side 6 3 Gyrosphere Installation When the compass housing has been mounted and the system is wired up so far that supply power is available works should continue with the installation of th...

Page 58: ...tems disable the ext gyro input 7 Select the required data output formats and IEC 61162 NMEA proto col standard setting 8 Check that the min max limits for the speed filter are well outside the possible range of the vessel s operating speed In high speed craft the max speed value will have to be increased 9 If required set the parameters for the analogue rate of turn output the status in and outpu...

Page 59: ...k the heading output to serial and 6 step repeaters and the ana logue rate of turn output The test mode is functional even if the gyrosphere is not yet installed 4 If not yet installed the gyrosphere must now be installed and the proper function of the compass verified 5 To bring the gyrocompass system into working order the existing alignment error must now be determined exactly and the error cor...

Page 60: ...heading with the vessel s true heading The true heading must be known to an accuracy of at least 0 5 2 In the Service Setup 1 select the align error correction sub menu compass orientation vessel s fore and aft axis alignment error CAUTION The compass must have been in continuous operation for at least 4 hours before the alignment error can be determined accurately If bearing repeaters are used to...

Page 61: ...ulated and entered in the magnetic heading calibration table at the NAVIGAT X MK 1 The calibra tion table stores up to 50 entries cal no s each of which assigns a correction value to a given magnetic heading 0 10 350 Note If magnetic heading is received from an already calibrated source such as a NAVITWIN NAVIPILOT or a self calibrating electronic compass cal ibration at the NAVIGAT X MK 1 is not ...

Page 62: ... display At every full 10 of steering magnetic compass heading 0 10 350 note the display value 6 Enter the observed display val ues in the magnetic heading cal ibration table blank form included in the appendix of this manual 7 Calculate the required correc tion value for each heading value The correction value is the offset which must be applied to a given display value in order to obtain the ste...

Page 63: ...t line is increased by 1 Repeat the procedure from step 2 a above until all correction values have been entered 4 Press MENU to quit the table entry sub menu To scroll through the list of entries press Shift F2 or Shift F3 respectively from within the table entry sub menu To delete a pair of values if required go to the calibration table entry sub menu and twice press Shift RESET followed by Shift...

Page 64: ...056343 C NAVIGAT X MK 1 6 10 Alignment Error Correction ...

Page 65: ...s a test mode to check the proper func tion of the serial and 6 step heading outputs and the analogue rate of turn output Setup Access Code To prevent inadvertent or unauthorized changes to the system configu ration setup menus which are to be accessed by service personnel only are protected by access codes To access the Service Setup 1 Press Shift F2 to select Service Setup When prompted for the ...

Page 66: ...MEA GLL NMEA GGA SENS D M OUTP NMEA HCHDM NMEA HCHDT NMEA HCHDG S FAST M OUTP NMEA HCHDM NMEA HCHDT MAGN VARIATION NMEA HDG NMEA RMA NMEA RMC NMEA SUPERFAST 4800 BAUD 9600 BAUD 19200 BAUD 33 Hz 38400 BD NMEA HCHDT PLATH TxD NMEA FAST NMEA HCHDT HDT ROT PLATH NMEA HCHDT NMEA HDG PLATH MAGN NAVIPILOT COMP MONITOR GYRO INPUT PLATH LEHMK 1200 LEHMK 2400 LEHMK 4800 LEHMK 9600 NMEA HDT OFF OFF 50 Hz 384...

Page 67: ...99 9 mV min zero offset 999 999 mV sc factor 0 1 999 9 mV min zero offset 999 999 mV SYSTEM TYPE ALIGN ERR CORR SHAFT COR ANGLE SYSTEM G GM CDU 1 2 COMP MON AUTOPILOT HDG SEL CDU 1 contd from previous page system type hdg reference selection alignment error correction shaft encoder correction angle settings for rudder angle feedback units settings analog ROT output GG GGM EXT SEL No OF RUDDERS SET...

Page 68: ...ETTINGS heading value 0 0 359 9 indicator repeater test mode ID No 1 ID No 2 ID No 3 STATUS IN EXT STATUS IN NAME OF GYRO STAT HDG 180 ENABLE 180 OFFS Gyro ID setting ext status input function GYRO2 180 MAGN 180 GYRO1 180 STAT LOG IEC 61162 1 GEN ALARM SETUP PROTOCOLTYPE ON ALL ALARMS ON FATAL ALARMS conditions for actuation of general alarm relay NMEA output protocol standard NMEA 0183 OFF AD10 U...

Page 69: ...ce Setup 1 7 5 Figure 7 4 Service Setup 1 contd contd from previous page K1 MUTE HDG DIFF SPEED FILTER HDG DIFF MUTE alarm relay K1 functionality speed filter settings for error correction speed min 99 9 99 9 kn speed max 99 9 99 9 kn t const 0 99 s ...

Page 70: ...inary data protocol LEHMK 1200 The input is reads the Lehmkuhl Scandinavian Microsys tems protocol at 1200 Bd LEHMK 2400 The input is reads the Lehmkuhl Scandinavian Microsys tems protocol at 2400 Bd LEHMK 4800 The input is reads the Lehmkuhl Scandinavian Microsys tems protocol at 4800 Bd LEHMK 9600 The input is reads the Lehmkuhl Scandinavian Microsys tems protocol at 9600 Bd NMEA HDT The input r...

Page 71: ...PLATH MAGN The input reads magnetic heading from the PLATH binary data protocol at the NMEA magn interface NAVIPILOT The input reads magnetic heading from the NAVIPILOT repeater protocol at the NMEA magn interface COMP MONITOR The input reads magnetic heading NMEA at the Compass Monitor interface OFF The input is disabled Speed Input Configures the speed input Settings 200 Pulse NM Speed is comput...

Page 72: ... sentence format for magnetic heading at the FAST and SuperFAST data outputs Settings NMEA HCHDM Magnetic heading is sent using the NMEA HDM sentence with talker ID HC NMEA HCHDT Magnetic heading is sent using the NMEA HDT sentence with talker ID HC Magn Variation Selects the sentence format for automatic magnetic variation input Settings NMEA HDG Magnetic variation is read from the NMEA HDG sente...

Page 73: ...ansmits all available data in NMEA format at 38400 Bd high speed according to IEC 61162 2 The update rate for the HDT sentence is 50 Hz NMEA HCHDT The output transmits magnetic heading only using the NMEA HCHDT sentence at 4800 Bd PLATH The output transmits heading and rate of turn data using the PLATH binary protocol at 9600 Bd TxD NMEA FAST Configures the FAST serial data output Settings NMEA Th...

Page 74: ...f Rudders Selects between single and dual rudder systems Settings 1 Single rudder system rudder angle input 1 is used only 2 Dual rudder system both rudder angle inputs are used sep arate graphs are printed for port and stb rudder angles Set Rudder 1 Sets the scaling and zero point offset for the rudder angle input 1 Settings scale factor 0 1 999 mV min zero point offset 9 9 9 9 Set Rudder 2 Sets ...

Page 75: ...ng functions are availa ble for sources G1 and G2 GGM Dual gyrocompass Magnetic compass system the control and display unit shows both gyro and magnetic compass headings heading source selection and heading difference monitoring functions are available for sources G1 G2 and M Hdg Sel Selects the heading source selector device to use Settings CDU 1 Standalone system the active heading source is sel...

Page 76: ...tatus from a pulse speed log if the active log is a pulse log and the input con tact is open a speed log failure alarm is given Stat Hdg 180 The port is used to reverse the heading displays and data outputs e g for use in double ended ferries when the input contact is closed an offset of 180 is applied to the heading of sources for which the offset function is enabled Enable 180 Offs Enables disab...

Page 77: ...tion for the test mode Settings 999 999 min Change Settings Accesses the analogue ROT output settings time const 0 0 99 9 s sc factor 0 1 999 9 mV min zero offset 999 999 min Note The Change Settings sub menu provides quick access to the analogue ROT output settings from the test mode Changes made during the test mode directly affect the time constant setting in the Manual Settings menu and the sc...

Page 78: ...ttings IEC 61162 1 NMEA outputs conform strictly to IEC 61162 1 Proprietary output sentences start with PPLA NMEA 0183 NMEA outputs use the older form of the proprietary nav status data sentence PPNSD Enables or disables AD10 heading data output When AD10 output is enabled a total of one SuperFAST and three Sen sor Data outputs are available at TB7 When AD10 output is disabled a total of two Super...

Page 79: ... value to prevent rejection of valid high speed values Settings T Const filter time constant 0 99 s default 20 s The filter time constant determines the level of filtering applied to the incoming speed before it enters the calcula tion of North speed error correction Occasional dropouts and glitches will be completely blocked for a duration of up to the time constant s value At the same time the e...

Page 80: ...protected by access codes Technical Pages Overview Figure 7 5 Technical Pages To access the Technical Pages Press Shift F2 to select Service Setup When prompted for the setup code Enter code 140 Press Shift ENTER to confirm the code TheTechnical Pages sub menu opens Call up the Main Menu SOFTWARE VERSION UPDATE SOFTWARE CORRECTION VAL HARDWARE main PCB revision SW VER software creation date MASTER...

Page 81: ...exchange the software flash memory IC to update the system software Sets the correction values for the on board temperature and gyrosphere current measurement Settings Corr Val Temp Temperature correction value Adjusts the measured value to show the actual temperature inside the compass housing Correction range is 99 9 99 9 C Gyro Current Gain Gain factor for the gyrosphere current Adjusts the mea...

Page 82: ...056343 C NAVIGAT X MK 1 7 18 Factory Settings Menu Technical Pages ...

Page 83: ...ent on serial I O lines must be checked with the aid of suitable ana lyzing tools such as PC based protocol interpreters or terminal programs When components on the master board other than socketed ICs are assumed to cause malfunction the complete master board assembly stock no 20672 is to be exchanged When components on the baseplate assembly are assumed to cause malfunction the complete baseplat...

Page 84: ...R 134 CR 133 CR 128 CR 97 CR 86 CR 75 CR 59 CR 32 CR 10 CR 2 CR 1 CR 74 CR 110 CR 119 CR 102 CR 111 CR 127 CR 91 CR 92 CR 90 CR 79 CR 78 CR 12 CR 19 CR 20 CR 21 CR 22 CR 8 CR 9 CR 112 CR 98 CR 104 CR 122 CR 137 CR 53 CR 40 CR 39 CR 34 CR 15 CR 54 CR 55 CR 57 CR 99 CR 100 CR 105 CR 123 CR 106 CR 124 CR 138 CR 139 CR 58 CR 43 CR 41 CR 31 CR 17 CR 56 CR 42 CR 38 CR 30 CR 5 CR 60 CR 87 CR 115 CR 125 C...

Page 85: ...045871 0000 000 IC 33 UART 046537 0000 000 IC 34 software flash memory IC pre programmed 026562 0000 000 IC 37 quad RS 422 output driver IC drives Sensor Data TB 7 13 7 14 SuperFast TB 7 11 7 12 046485 0000 000 TB J to from TB 1 24VDC backup supply power in 24VDC out TB 2 relay status outputs watch al ackn G1 G2 G M hdg diff pwr fail status inputs op unit M R ROT damping Log 180 200 pulse nm speed...

Page 86: ...est resistor 1Ω voltage across R 103 in mV equals gyrosphere current in mA current should not exceed 500 mA at power up and must drop below 300 mA within 45 minutes after power up R 36 gyrosphere voltage adjustment factory set normally no adjustment required in the field nominal gyrosphere voltage is 100 VAC 337 Hz LED Colour Indication CR 1 green 24VDC backup supply power present CR 2 red 24VDC b...

Page 87: ...rnal 24VDC 6step repeater supply CR 57 green 6 step output 1 phase 2 active CR 58 green 6 step output 1 phase 1 active CR 59 red overload 24VDC out to Switch Over Unit TB 3 23 CR 60 green 24VDC on board supply to follow up motor present CR 74 green status input closed Alarm Mute CR 75 green status input closed G1 G2 CR 78 green status input closed ext status log status or 180 offset CR 79 green st...

Page 88: ...o repeater 3 CR 124 red overload 24VDC out to repeater 2 CR 125 red overload 12VDC out TB 4 24 CR 127 green activity on Rx line Speed TB 4 13 4 14 CR 128 green relay attracted K1 watch alarm acknowledge CR 129 green relay attracted K4 max ROT exceeded CR 130 green relay attracted K7 heading diff alarm CR 131 green relay attracted K2 status G M CR 132 green relay attracted K5 AC power failure CR 13...

Page 89: ...nd across the gyrosphere con tacts When exchanging components on the master board make sure the compass main and backup power supplies are switched off and safe guarded against accidental switching on CAUTION The NAVIGAT X MK 1 contains electrostatic sensitive components Electrostatic discharge may permanently damage components When servicing the NAVIGAT X MK 1 take precautions to prevent elec tro...

Page 90: ...no 26562 containing software 4914 1090 00 with the required revision identifier and release date has been obtained 1 At the running system take notes of the current settings in the Man ual Settings User and Service Setup menus Check that the settings have been entered correctly into the setup tables in the appendix of this manual If necessary correct and amend the tables 2 Power down the system Ma...

Page 91: ...lled out copy of the Setup Table to Sperry Marine for inclusion in the ship s file When permanent changes are made to the system configuration please return an updated copy of the Setup Table to Sperry Marine Designation Drawing No Dimension Drawing Gyrocompass NAVIGAT X MK 1 4914 0112 02 Wiring Diagram NAVIGAT X MK 1 4914 0115 01 Dimension Drawing Operating Unit 4926 0112 01 Note All appended dra...

Page 92: ...056343 C NAVIGAT X MK 1 ...

Page 93: ...l Settings and User Setups for normal operation of the equipment In general automatic data input modes should be chosen in preference of manual input wherever possible Manual Settings Speed Lat Mode Speed Mode Posit Mode AUTO MAN AUTO MAN Hdg Diff Alarm Between GY1 GY2 GY1 MAG GY2 MAG OFF Diff Alarm Threshold Value Magnetic Variation AUTO MAN North Sp Err Corr ON OFF Settings NAVIPRINT ON OFF Pape...

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Page 95: ...rine Service Setup 1 Code 600 Interface I O Gyro Input PLATH LEHMK 9600 LEHMK 1200 NMEA HDT LEHMK 2400 OFF LEHMK 4800 Mag Hdg Input SIN COS PLATH MAGN NMEA HDM NAVIPILOT NMEA HCHDT COMP MON NMEA HDG OFF Speed Input 200 Pulse NM NMEA Pos Input NMEA GLL NMEA GGA Sens D M Outp NMEA HCHDM NMEA HCHDT NMEA HCHDG S Fast M Outp NMEA HCHDM NMEA HCHDT Magn Variation NMEA HDG NMEA RMA NMEA RMC NMEA SuperFast...

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Page 97: ... ON ALL ALARMS ON FATAL ALARMS Protocol Type NMEA outp pro tocol standard IEC 61162 1 NMEA 0183 AD10 Usage AD10 hdg output setting OFF ON K1 Mute Hdg Diff K1 alarm relay functionality HDG DIFF MUTE Speed Filter Settings time const s speed min kn speed max kn Technical Pages Code 140 Correction Val Settings corr val temp gyro current gain Note Make sure to re enter the correction values when updati...

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Page 99: ...ss Calibration Table Vessel IMO No Hull No Shipyard Service Station Installer Date Signature Magnetic Compass Hdg Magnetic Hdg Display uncalibrated Correction Value Magnetic Compass Hdg Magnetic Hdg Display uncalibrated Correction Value 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 100 0 110 0 120 0 130 0 140 0 150 0 160 0 170 0 180 0 190 0 200 0 210 0 220 0 230 0 240 0 250 0 260 0 270 0 280 0 ...

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NORTHROP GRUMMAN NAVIGAT X MK 1, Operation, Installation And Service Manual

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