NORTHROP GRUMMAN Sperry Marine NAVIGAT X MK 2 Assembly Instructions Manual Download Page 17

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NAVIGAT X Mk 2

056341 Rev. AA

2: Operation

Page 2-5

2.8 Operating Menu

The data display screens and the manual settings, user and service setup
modes are accessed via a multilevel operating menu.

2.8.1

Entering / Quitting the Main Menu

2.8.2

Navigating the Menu

From the heading display screen,
press key to go to the main menu
screen.

From the main menu screen, press
key to return to the heading display
screen.

>F1

MK2 HEADING

GYRO 1

271.2°

F2 MAGN.C. 270.9°

DIFF G1/M

5° ü

MAIN MENU

F1 DISPLAY DATA

F2 MANUAL SETTINGS

F3 SETUP MENU

Press keys to enter a sub-menu

Press key to return to the next higher menu level.

Press key to go to the next/previous screen on the same menu
level.

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Summary of Contents for Sperry Marine NAVIGAT X MK 2

Page 1: ... Hamburg Germany Correspondence Address P O Box 10 47 09 D 20032 Hamburg Germany Tel 49 40 299 00 0 Fax 49 40 299 00 298 E mail Service Kai_Stahl sperry marine com 056341 User Technical and Service Manual NAVIGAT X MK 2 Digital Gyrocompass System Rev AA 07 May 2004 ...

Page 2: ...tary information of Northrop Grumman Sperry Marine Hamburg Germany Any reproduction or publication of this document or any portions thereof without the prior written consent of Sperry Marine is expressly prohibited Subject to alteration without notice Revision Record Rev Date Remarks AA 07 May 2004 initial release ...

Page 3: ... Brightness 2 4 2 6 Acknowledging Alarms Muting the Audible Alarm 2 4 2 7 Optional Functions 2 4 2 7 1 Acknowledging Alarms Remotely 2 4 2 8 Operating Menu 2 5 2 8 1 Entering Quitting the Main Menu 2 5 2 8 2 Navigating the Menu 2 5 2 8 3 Selecting Parameter Settings 2 6 2 8 4 Editing Parameter Values 2 6 2 9 Display Data Menu 2 7 2 10 Manual Settings Menu 2 8 2 10 1 Manual Settings Overview 2 8 2 ...

Page 4: ...ations 4 1 4 1 1 Gyrosphere Maintenance 4 1 4 1 2 Five Year Maintenance 4 1 4 1 3 System Software Updates 4 1 4 2 Maintenance by Shipboard Personnel 4 2 4 2 1 Protecting the Gyrosphere from Low Ambient Temperatures 4 2 4 2 2 Removing the gyrosphere container from the compass housing 4 3 4 2 3 Re installing the gyrosphere container in the compass housing 4 5 4 2 4 Power up Function Test 4 7 4 3 Mai...

Page 5: ...ol Type 6 9 System Type 6 9 System 6 9 Hdg Sel 6 10 Align Err Corr 6 10 Shaft Cor Angle 6 10 Gen Alarm Setup 6 10 Name Of Gyro 6 11 Test Mode 6 11 Rate of Turn 6 11 Change Settings 6 11 Heading Value 6 11 6 2 Factory Settings Menu Technical Pages 6 12 6 2 1 Technical Pages Access Code 6 12 6 2 2 Technical Pages Overview 6 12 6 2 3 Technical Pages Parameters 6 13 Software Version 6 13 Update Softwa...

Page 6: ...ing the Gyrosphere in the Gyrosphere Container 8 3 8 3 2 Installing the gyrosphere container in the compass housing 8 8 8 3 3 Power up Function Test 8 10 8 4 Gyrosphere Maintenance Procedures 8 12 8 4 1 Removing the gyrosphere container from the compass housing 8 12 8 4 2 Removing the gyrosphere from the gyrosphere container 8 14 8 4 3 Preparing the gyrosphere for re installation 8 18 8 4 4 Exchan...

Page 7: ...indicate Sensitivity of components to electric discharge A Note contains an essential operating or maintenance procedure condition or statement which is considered importnt enough to be highlighted Warning Careless or improper use of this system may result in vessel damage and or SERIOUS INJURY OR DEATH Before using this system operators must be appropriately trained and familiar with the warnings...

Page 8: ...056341 Rev AA NAVIGAT X Mk 2 vi ...

Page 9: ...stabilization during short power failures E g after a three minute loss of power no more than two degrees of deviation may be expected Once power has been restored the gyrocompass will return quickly to the cor rect heading The combined effects of the twin rotors and the liquid damping system virtually eliminate latitude error Heading is measured as a 13 bit absolute value with a digital shaft enc...

Page 10: ...logue rate of turn output are provided One sensor data output may be con figured to produce a graphical heading printout in conjunction with the nav data printer NAVIPRINT Fig 1 1 NAVIGAT X MK 2 data and signal interfaces The NAVIGAT X MK 2 may also be used as part of a component multicompass system in conjunction with the Compass Monitor NAVITWIN III and a Switch Over Unit In such a system the Co...

Page 11: ...mperature storage 25 70 C w o supporting fluid protection grade IP 23 to DIN 40050 Environmental Requirements and EMC in accordance w IEC 60945 Power Supply supply voltages main 24 VDC 18 36 V backup 24 VDC 18 36 V including automatic switch over to 24 V backup supply in accordance with GMDSS rules for INMARSAT SES terminals max ripple content 4 Vpp extreme values may not exceed 36 V or fall below...

Page 12: ...turn heading reference status 6 step output act heading supply 24 VDC max 18 W AD10 output gyrocompass heading rate of turn analogue 0 1 999 9 mV min max 10V 10 mA nav data printer graph act heading text date time heading reference steering mode speed position Alarm and Status Outputs potential free contact closures max 30W 125V 1A each power failure general de vice error heading difference alarm ...

Page 13: ...p as soon as the supply power is applied No special procedures need to be followed to power the system up or down Warning The NAVIGAT X MK 2 may no longer be operated when the ambient tempera ture at the gyrocompass location falls below 10 C Caution The gyrosphere may be removed from the gyrospere container by authorized service personnel only To power up the NAVIGAT X MK 2 Energize the system at ...

Page 14: ...in functions of the NAVIGAT X MK 2 An additional Control and Display Unit may be used to operate the gyro compass from a remote location A Compass Monitor NAVITWIN III may be used to select the heading source and control data distribution to repeaters and other equipment An external selector switch may be used to select between the Gyro and Magnetic heading sources A central alarm monitoring devic...

Page 15: ...Selection via external selector switch Use the external selector switch to select the heading reference In systems equipped with an ext selector switch heading selection via the Con trol and Display Unit s or the Compass Monitor is disabled Note Heading reference selection is permitted in manual steering mode only In autopilot steering mode the heading reference cannot be changed While the heading...

Page 16: ...larm is confirmed at the operating unit Press key to increase the display brightness Press key to reduce the display brightness On alarm press keys to acknowledge the alarm and clear the alarm message from the display screen The audible alarm is muted simultaneously On alarm press keys to mute the audible alarm The alarm message will remain on the display screen until the alarm is acknowledged at ...

Page 18: ...ashing box symbol indicates that the operator is expected to edit a value When flashing arrows are shown Press key to scroll up down through available options Press keys to confirm input and go to next line MAN SETTINGS SPEED MODE AUTO POSIT MODE AUTO ý When the flashing box is shown Press key to increase decrease the value at the cursor position up down through available options Press keys to mov...

Page 19: ... Gyrocompass data gyrocompass heading rate of turn correction status on off act value DISPLAY DATA GYRO 1û HEADING MAGN 270 9 MAGN VAR 2 3 E ü Magnetic compass data if available magnetic compass heading magnetic variation DISPLAY DATA GYRO 1û POSITION AUTO LAT 44 09 46 N LON 023 54 21 E ü Position data if available position mode auto man latitude longitude DISPLAY DATA GYRO 1û SPEED AUTO 12 3 kt ü...

Page 20: ...ION ü SPEED LATITUDE HDG DIFF ALARM MAGNETIC VARIATION NORTH SP ERR CORR SET NAVIPRINT SETTINGS ROT SPEED LAT MODE BETWEEN MODE 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 AUTO SPEED MODE GY1 M 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...

Page 21: ... auto speed is entered automatically Posit Mode man speed is entered manually auto speed is entered automatically Speed Lat Set Function Enters the manual speed and latitude values Settings man spd 0 0 99 9 kts man lat 99 99 99 N 99 99 99 S Note Speed and latitude data is transmitted at the sensor data outputs in automatic mode only If speed and or latitude are entered manually the respective data...

Page 22: ...ifference alarm relay is actuated Simultaneously an error message is displayed and an audible alarm given Between Function Selects the heading sources to be monitored Settings GY1 M monitor internal gyro vs magnetic heading OFF do not monitor heading difference Diff Alarm Function Enters the heading difference alarm threshold Settings 0 99 Note The heading difference alarm function is not availabl...

Page 23: ... magnetic varia tion value Settings Auto magnetic variation value is entered automatically Manual magnetic variation value is entered manually Man Value Function Enters the manual magnetic variation value Settings 99 9 W 99 9 E Note In case of manual input of the variation check for the sea chart s date of issue and apply annual changes of the magnetic variation if necessary In case of automatic i...

Page 24: ...rror correction is active OFF North speed error correction is not active Note Automatic north speed error correction should be active at any time unless an external device is used to apply correction to the heading data In conjunction with automatic north speed error correction it is higly recom mended to use automatic speed and position input If manual speed and or position input is used the rele...

Page 25: ...150 mm print at 150 mm h 1 cm 4 min 600 mm print at 600 mm h 1 cm 1 min Hdg Function Sets the horizontal scaling of the heading graph Settings 30 scale to show 30 to the left and to the right from the graph s center current print position shifts to center when graph margin is reached 180 scale to show 180 to the left and to the right from the graph s center current print position shifts to center ...

Page 26: ...me constant for the analogue rate of turn out put The larger the constant the stronger sudden peaks of the out put voltage are damped Settings time const 0 0 10 0 s Note Damping is effective for the analogue rate of turn output only The digital dis play and the serial outputs always provide undamped rate of turn data ...

Page 27: ...r Setup Overview Fig 2 4 The User Setup Menu USER SETUP F1 DATE TIME F2 SOFTWARE VERSION F3 MAG C CAL TABLE 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 tab...

Page 28: ...ce for the printer Mode Function Selects between automatic and manual input of date and time Settings MAN date and time are entered manually AUTO date and time are read automatically from the position input via a NMEA ZDA sentence Date Function Enters the current date Settings dd mm yy day month year Time Function Enters the current time Settings hh mm hours minutes Note The internal clock is not ...

Page 29: ...tware on the main PCB and of an external control and display unit if applicable Settings No settable parameters this menu is read only Mag C Cal Table Function Switches calibration on off Settings ON calibration is active OFF calibration is not active Enter Values Function Accesses the calibration table entries Settings The calibration table provides storage for up to 50 heading correc tion value ...

Page 30: ...056341 Rev AA NAVIGAT X Mk 2 Page 2 18 2 Operation ...

Page 31: ...ains on the screen until the operator acknowledges the alarm 3 1 3 Acknowledging Alarms Muting the Audible Alarm GYRO FAILURE F1 CONFIRM On alarm press keys to acknowledge the alarm and clear the alarm message from the display screen The audible alarm is muted simultaneously On alarm press keys to mute the audible alarm The alarm message will remain on the display screen until the alarm is acknowl...

Page 32: ...f speed data from ext source Check speed data source POSITION ERROR FAILURE POS Loss of position data from ext source Check position data source HEADING DIFF ALARM HEAD DIFF ALARM Gyro and magnetic heading differ by more than the set alarm threshold Check heading sources to determine cause of the difference FAILURE DC MAIN SUPPLY FAILURE DC MAIN Lost power from main supply Check main DC power supp...

Page 33: ...ew From the main menu screen go to Setup Menu Service Setup To access the Service Setup 2 enter code 610 ENTER SETUP CODE SERVICE SETUP 000 SERVICE SETUP 2 F1 GYROSPHERE DATA F2 OP TIME COUNTER F3 DATA LIST ü SERVICE SETUP 2 û F1 ERROR LIST F2 RESET MK 2 b c GYROSPHERE DATA OP TIME COUNTER DATA LIST ERROR LIST TEMPERATURE gyrosphere ambient temperature PH BRIDGE phase bridge voltage GYRO CURR gyro...

Page 34: ...o Curr The gyrosphere current Function Displays the gyrosphere operation time counter Displays Operation time in hours since last gyrosphere service The operation time counter is reset to zero by the service personnel after each gyrosphere service Function Displays the currently active system alarms Displays Error messages The display alternates through the message texts of all active alarms If no...

Page 35: ...ally provide new software releases to enhance the capabilities of the equipment or to apply bugfixes The NAVIGAT X Mk 2 sys tem software can be updated in the field by exchanging the flash memory chip on the main PCB Note If more than 18 months have passed since the last gyrosphere maintenance a reminder message is displayed every time the gyrocompass is powered up This message indicates no malfun...

Page 36: ...ile the compass is not in operation the gyrosphere container must be re moved from the compass housing and stored in a place where the ambient temperature will not fall below 0 C If no storage place is available where the ambient temperature will not fall be low 0 C the gyrosphere must be removed from the gyrosphere container to prevent possible damage by frozen supporting fluid Warning The NAVIGA...

Page 37: ...gyrosphere container with the gyrosphere installed must be handled very carefully The container must be kept in an upright position at all times 2 Unscrew the 5 mm Allen head screws of the compass housing door and take off the door from the housing 3 Disconnect the grounding strap be tween door and housing Place the door aside If the door is put next to the hous ing the keypad s ribbon cable may b...

Page 38: ...ontainer The cou pling tongues slide down in the grooves of the bayonet and the container is re leased from the collar 9 Carefully take the container out of the housing and carry it to its storage loca tion 10 At the storage location carefully place the container into its original trans port box Clearly label the box and take all precautions necessary to pre vent it from being moved tilted or subj...

Page 39: ...pass housing door and take off the door from the housing 3 Disconnect the grounding strap be tween door and housing Place the door aside If the door is put next to the hous ing the keypad s ribbon cable can be left connected to the main PCB 4 Gently turn the bellows until the largest of the three coupling seats in the bayo net collar points towards the front of the housing the seat is marked by a ...

Page 40: ...ontainer is locked in place by gravity 10 Plug the gyrosphere supply and phase bridge connector into its socket on the gyrosphere container 11 Check that the gyrosphere container can be freely and smoothly turned around the vertical axis 12 Put the door in front of the housing so that the keypad can be operated If the pad has been disconnected during gyro sphere installation reconnect the ribbon c...

Page 41: ...during the early settling phase but as soon as the gyrosphere current reaches the normal operational level the container must remain locked to the gyrosphere Warning Warning When the compass is energized 24 VDC main and or backup supply present the gyrosphere operating voltage of 100 VAC 337 Hz is present on the main PCB the gyrosphere supply lines and accross the gyrosphere contacts When operatin...

Page 42: ... enter the current date and time in the User Setup 7 After a settling time of at least 4 hours verify that the compass has settled to the correct heading The compass is to display the vessel s true heading to an accuracy of 0 5 Directly after power up the gyrosphere current should not exceed 550 mA The current will gradually fall while the gyrosphere settles Within 45 minutes after power up the gy...

Page 43: ...re spond to the actual settings as stored in the compass memory If no records have been kept make copies of the blank forms at the back of this manual and fill out the tables completely In particular verify that the shaft encoder correction value corresponds to the value marked on the baseplate and make sure to record the shaft en coder and alignment error correction values 2 Access the Technical ...

Page 44: ... PCB 6 Remove the old flash memory IC 35 from its socket on the main PCB 7 Insert the new flash memory into the socket 8 Put the door in front of the housing and connect the grounding strap 9 Fit the door on the housing and fasten the retaining screws 10 Energize the system 11 Verify that the system powers up correctly alarms resulting from improper configuration settings may be safely acknowledge...

Page 45: ...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 car ried out For the amount of space required the attachment points and the position of the cable inlets refer to dimension drawing 4991 0112 01 In the horizontal plane the compass ma...

Page 46: ...g of the as sembled container in the compass If the system is wired up completely the installer may alternatively carry out the initial system configuration before the gyrosphere is installed The procedure for installing the gyrosphere is described in Chapter 8 Warning Warning When the compass is energized 24 VDC main and or backup supply present the gyrosphere operating voltage of 100 VAC 337 Hz ...

Page 47: ...e magnetic heading input 7 Select the required data output formats and the NMEA protocol standard 8 If required set the parameters for the analogue rate of turn output and for the general alarm relay Warning Warning When the compass is energized 24 VDC main and or backup supply present the gyrosphere operating voltage of 100 VAC 337 Hz is present on the main PCB the gyrosphere supply lines and acc...

Page 48: ... to check the heading output to serial and 6 step repeaters and the analogue rate of turn output The test mode is functional even if the gyrosphere is not yet installed 3 If not yet installed the gyrosphere must now be installed and the proper function of the compass verified 4 To bring the gyrocompass system into working order determine the exist ing alignment error and apply the error correction...

Page 49: ... true heading The true heading must be known to an accuracy of at least 0 5 compass orientation vessel s fore and aft axis alignment error Caution The compass must have been in continuous operation for at least 4 hours be fore the alignment error can be determined accurately If bearing repeaters are used to determine the true heading these must be properly aligned to the vessel s fore and aft axis...

Page 50: ...al Settings menu 3 Select a manual steering mode 4 Commence a continuous slow and steady turn The vessel must turn through one full circle at least 5 While the vessel is turning compare the indication on the steering mag netic compass with the magnetic heading values shown on the gyrocom pass display For every 10 of steering magnetic compass heading 0 10 350 note the corresponding display value 6 ...

Page 51: ... is stored in the calibration table go to next table entry go to previous table entry clear entry from the calibration table MAG C CAL TABLE ON ý F1 TO ENTER VALUES USER SETUP 0 8 0 8 10 9 0 9 0 Mag Compass Heading Mag HDG Display uncalibrated Correction Value 10 MAG C CAL TABLE 00 CORR VALUE MAG HEADING USER SETUP Note The calibration table is stored in the system s permanent memory If the com pl...

Page 52: ...056341 Rev AA NAVIGAT X Mk 2 Page 5 8 5 Installation ...

Page 53: ...hermore the Service Setup 1 provides a test mode to check the operation of the serial and 6 step heading outputs and the analogue rate of turn output 6 1 1 Service Setup 1 Access Code To prevent inadvertent or unauthorized changes to the system configuration all service setup menus are protected by access codes From the main menu screen go to Setup Menu Service Setup To access the Service Setup 1 ...

Page 54: ...iguration 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 4800 BAUD 9600 BAUD 19200 BAUD 38400 BAUD NMEA HCHDT PLATH TxD NMEA FAST NMEA HCHDT SENS DATA 2 SENS DATA NAVIPRINT HDT ROT PLATH NMEA HCHDT NMEA HDG PLATH MAGN NAVIPILOT COMP MONITOR OFF cont...

Page 55: ...ACE I O F2 ANALOG ROT OUTP F3 PROTOCOL TYPE ü PROTOCOL TYPE zero offset 999 999 mV corr value 179 9 180 corr value 179 9 180 SYSTEM TYPE ALIGN ERR CORR SHAFT COR ANGLE SYSTEM G GM COMP MON AUTOPILOT EXT SEL HDG SEL CDU 1 contd from previous page b c b c contd on next page system type hdg reference selection alignment error correction shaft encoder correction angle NMEA output protocol standard set...

Page 56: ... 0 1 999 9 mV min zero offset 999 999 mV time const 0 0 99 9 s contd from previous page TEST MODE rate of turn 999 999 min CHANGE SETTINGS heading value 0 0 359 9 indicator repeater test mode ID No 1 ID No 2 ID No 3 ON ALL ALARMS GEN ALARM SETUP NAME OF GYRO ON FATAL ALARMS gyro ID setting conditions for actuation of general alarm relay ...

Page 57: ...ater data message received from a NAVIPILOT heading control system COMP MONITOR Magnetic heading is read from the data received at the Compass Monitor input OFF The magnetic heading input is disabled Speed Input Function Selects the speed data input Settings 200 Pulse NM Speed is received as a 200 Pulse NM signal at the 200 Pulse NM input NMEA Speed is read from the NMEA speed protocol s received ...

Page 58: ... using the NMEA HCHDTsentence The transmitted value is the magnetic heading as displayed on the NAV IGAT X Mk 2 display i e with all corrections applied according to calibration and magnetic variation settings NMEA HCHDG Magnetic heading is sent using the NMEA HCHDG sentence The sentence includes the raw magnetic sensor heading and values for deviation and variation If the magnetic heading input i...

Page 59: ...tion settings NMEA HCHDT Magnetic heading is sent using the NMEA HCHDTsentence The transmitted value is the magnetic heading as displayed on the NAV IGAT X Mk 2 display i e with all corrections applied according to calibration and magnetic variation settings Magn Variation Function Selects the NMEA sentence for automatic input of the magnetic variation Settings NMEA HDG Magnetic Variation is read ...

Page 60: ... at 4800 Baud PLATH The output transmits PLATH data at 9600 Baud TxD NMEA Fast Function Selects the data protocol at the Fast output Settings NMEA The output transmits NMEA data at 4800 Baud HCHDT The output transmits magnetic heading only using the NMEA HCHDT sentence at 4800 Baud HDT ROT The output transmits heading and rate of turn data only using the NMEA HEHDT and HEROT sentences at 4800 Baud...

Page 61: ...Rate of Turn output Settings 999 999 mV Function Selects the conformance level for NMEA outputs Settings 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 System Function Sets the system type Settings G Standalone Gyro or Backup Gyro in systems without mag...

Page 62: ...IPILOT heading con trol system EXT SEL The heading reference is selected using an external selector switch Function Sets the alignment error correction value Range 179 9 180 0 Function Sets the shaft encoder correction value Range 179 9 180 0 Function Sets the conditions for actuation of the alarm relay Settings ON ALL ALARMS The relay is actuated on any alarm condition ON FATAL ALARMS The relay i...

Page 63: ...rn value and turn direction for the test mode Range 999 999 min Change Settings Function Accesses the analogue ROT output settings Ranges 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 di rectly affect the time constant setting i...

Page 64: ...ected by access codes 6 2 2 Technical Pages Overview From the main menu screen go to Setup Menu Service Setup To access the Technical Pages enter code 140 ENTER SETUP CODE SERVICE SETUP 000 TECHNICAL PAGES F1 SOFTWARE VERSION F2 UPDATE SOFTWARE F3 CORRECTION VAL SOFTWARE VERSION UPDATE SOFTWARE CORRECTION VAL HARDWARE main PCB revision SW VER software creation date MASTERBOARD system software vers...

Page 65: ...Control and Display unit if present If no external unit is connected dashes are shown Function Sets the correction values for the on board temperature and gyro sphere current measurement Settings Corr Val Temp Temperature correction value Adjusts the measured value to show the gyrosphere ambient temperature Correction range is 99 9 99 9 C Gyro Current Gain Gain factor for the gyrosphere current Ad...

Page 66: ...056341 Rev AA NAVIGAT X Mk 2 Page 6 14 6 System Configuration ...

Page 67: ...or overload conditions or reversed polarities These conditions are indicated by red LEDs on the main PCB Checking for on board voltages and I O signals The presence of voltages and signals is indicated by green LEDs on the main PCB Exact voltage levels must be checked with a voltmeter The data content on serial I O lines must be checked with the aid of suitable analyzing tools When components on t...

Page 68: ...een 6 step repeater phase active CR 49 green activity on Rx line Compass Monitor CR 50 green activity on Rx line NMEA fluxgate input CR 52 green 12VDC on board supply present CR 53 green activity on Rx line position input CR 54 green activity on Rx line speed input CR 57 green status input closed Auto Man CR 58 green status input closed G M CR 64 green activity on Tx line Compass Monitor CR 66 gre...

Page 69: ...2 serial repeaters 1 4 supply power and data outputs relay status outputs hdg diff pwr fail status inputs Auto Man G M Mute 200 pulse nm speed input analogue ROT output TB 3 RS 422 serial data outputs serial data inputs 6 step output TB 4 follow up step motor J 1 shaft encoder J 2 ventilation fan J 3 gyrosphere power supply and phase bridge contacts J 4 keypad ribbon connector J 5 RS 232 service p...

Page 70: ...ware flash memory IC pre programmed 020669 0000 000 IC 37 quad RS 422 output driver IC drives Sens Data 1 2 FAST SUPERFAST 046485 0000 000 R Function R 54 gyrosphere current test resistor 1Ω voltage accross R 54 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 9 gyroshpere voltage adjustment factory set...

Page 71: ...ting fluid as provided under Sperry stock no 36026 Mercury 0 14 ml CAS No 7439 97 6 UN No 2809 R23 Toxic by inhalation R33 Danger of cumulative effects R50 53 Very toxic to aquatic organisms may cause long term ad verse effects in the aquatic environment S7 Keep container tightly closed S 45 In case of accident or if you feel unwell seek medical advice im mediately show the label whenever possible...

Page 72: ...h the gyrosphere in the original transport con tainer The storage temperature is to be between 25 C and 70 C The humidity in the storage room is to be between 60 and 90 Gyrospheres stored longer than 12 months before being taken into operation are to be tested by an authorized service station prior to installation Caution Transport the gyrosphere in the original transport container only Do not thr...

Page 73: ...4696 a 4 mm Allen key a lint free cloth for cleaning purposes Procedure 1 Remove the gyrosphere container from its transport box and place it on the work surface 2 Disconnect the connector from the centering pin unscrew the pin and place it aside do not yet remove the protective cap from the pin 3 Disconnect the plug connector from the base contact 4 Unscrew the 4mm Allen head screws at taching th...

Page 74: ...g box and take off the top foam rubber pad 9 Placing a thumb in the recess lift the gy rosphere out of the box and place it up right on the plastic bowl A label carrying the gyrosphere serial number will be found in the recess of the sphere An other label with the wheelmark logo will be found inside the plastic bag in the transport box Put the labels aside these are later to be affixed to the outs...

Page 75: ...ng the next gyrosphere service 14 With the aid of the funnel from the instal lation and service parts kit carefully fill up the recess of the gyrosphere with supporting fluid 15 Rinse the outside of the gyrosphere with supporting fluid 16 Rinse the inside of the lower section of the gyrosphere container with support ing fluid 17 Check that the drain plug is seated firmly Pour some supporting fluid...

Page 76: ...n hole in the container top Fill up the container with supporting fluid until the fluid level reaches the under side of the translucent container top 25 Take off the protective cap from the centering pin and rinse the pin thor oughly with supporting fluid 26 Screw in the centering pin and tighten it firmly by hand Wipe off any excess fluid from and around the pin 27 Draw up some supporting fluid w...

Page 77: ... cloth 30 Connect the power cable to the centering pin 31 Affix the provided labels with the gyro sphere s serial number and the wheel mark logo to the outside of the gyro sphere container 32 Insert the base contact plug through the cutout in the lower section of the con tainer Connect the plug to the base con tact 33 The gyrosphere container is now ready to be installed in the compass housing ...

Page 78: ...xt to the hous ing the keypad s ribbon cable can be left connected to the main PCB 4 Gently turn the bellows until the largest of the three coupling seats in the bayo net collar points towards the front of the housing the seat is marked by a green dot on the collar 5 Place the gyrosphere container into the compass housing with the largest of the three coupling tongues located directly below the gr...

Page 79: ...e container 10 Check that the gyrosphere container can be freely and smoothly turned around the vertical axis 11 Put the door in front of the housing so that the keypad can be operated If the pad has been disconnected during gyro sphere installation reconnect the ribbon cable to connector J 4 on the main PCB 12 The compass is now ready to be put into operation for the power up func tion test To ob...

Page 80: ... backup supply present the gyrosphere operating voltage of 100 VAC 337 Hz is present on the main PCB the gyrosphere supply lines and accross the gyrosphere contacts When operating the compass while the housing is open do not touch the main PCB the connecting cables to the gyrosphere container or the base contact Energize the system at the vessel s switch and fuse unit A startup message is displaye...

Page 81: ...s is to display the vessel s true heading to an accuracy of 0 5 b In case of an exchange of the gyrosphere or the mercury and fluids only the displayed heading should be accurate within 1 0 If necessary ad just the stored alignment error correction value so that the compass dis plays the vessel s true heading to an accuracy of 0 5 5 In case of an 18 month or five year maintenance or if the gyrosph...

Page 82: ... 2 Unscrew the 5 mm Allen head screws of the compass housing door and take off the door from the housing 3 Disconnect the grounding strap be tween door and housing Place the door aside If the door is put next to the hous ing the keypad s ribbon cable may be left connected to the main PCB 4 Unplug the gyrosphere supply and phase bridge connector from its socket on the gyrosphere container 5 Gently ...

Page 83: ...alms put the thumbs on the rim of the collar and turn the collar to the left 8 Gently lower the container The cou pling tongues slide down in the grooves of the bayonet and the container is re leased from the collar 9 Carefully take the container out of the housing and carry it to the storage or work place 10 Put the door in front of the housing and connect the grounding strap 11 Fit the door back...

Page 84: ... container Caution After power down wait at least 45 minutes for the gyroscopes to stop rotating before opening the gyrosphere container Caution Do not use acetone or similar solvents 3 Remove the plug from the ventilation hole in the top of the container 4 Unplug the drain plug and let the sup porting fluid run into the bowl 5 Dispose of the used supporting fluid Note The supporting fluid is not ...

Page 85: ... aside mak ing sure they won t be lost or fall to the ground 12 Take off the upper section of the gyro sphere container and place it upside down on the work surface Caution Take care not to damage the contact pins 14 Assemble the syringe and cannula In sert the syringe into the recess of the gy rosphere Draw up the mercury and insu lating fluid completely Hg Warning Spilt mercury will evaporate an...

Page 86: ... in the plastic bowl collect it with the syringe and inject it into the phial 19 Close and seal the phial and put it back into the protective capsule 20 Dispose of the supporting fluid from the plastic bowl Caution Used mercury and insulating fluid may not be reused When re installing or replacing a gyrosphere always use fresh mercury and in sulating fluid Return the capsule with used mercury and ...

Page 87: ...sphere is to be taken out of operation five year maintenance or ex change of defective sphere proceed with the steps for preparing the gyro sphere for transport see 8 4 4 23 Thoroughly wash and dry both sections of the gyrosphere container Take the steel wool pad from the installation and replacement parts kit and thoroughly clean the bottom contact in the lower section of the container 24 Re asse...

Page 88: ...ng solution containing a mild detergent Caution Used mercury and insulating fluid may not be reused When re installing a gyrosphere always use fresh mercury and insulating fluid Return the capsule with used mercury and insulating fluid to Sperry Marine for recycling 2 Take the stainless steel wool pad from the installation and replacement parts kit and thoroughly clean the bottom and equator conta...

Page 89: ...g solution containing a mild detergent Caution Used mercury and insulating fluid may not be reused When exchanging a gyrosphere always use fresh mercury and insulating fluid Put the capsule with used mercury and insulating into the old gyrosphere s car rying box to return it to Sperry Marine for recycling 2 Thorougly dry off the gyrosphere with a lint free cloth Dip with the cloth down into the re...

Page 90: ... gyrosphere into the gyrosphere con tainer as described under 8 3 1 from step 10 onwards 5 Carefully put the gyrosphere between the foam rubber pads in its carrying box 6 Pack the box in the original transport container for returning to Sperry Marine Note Make sure to include the gyrosphere service report when returning a sphere to Sperry Marine When the service report is not returned no warranty ...

Page 91: ...d to record the general system setup and the settings made during the configuration of the system Please return one set of copies of the filled out forms to Sperry Marine for inclu sion in the ship s file Designation Pages Standard Manual Settings blank form 1 System Configuration Service Setup 1 blank form 1 Magnetic Compass Calibration Table blank form 1 ...

Page 92: ...056341 Rev AA NAVIGAT X Mk 2 Page A 2 App A Setup Tables ...

Page 93: ...n Auto Man Hdg Diff Alarm Between GY1 M OFF Alarm Threshold threshold _______________ Magnetic Variation Mode Auto Man Man Variation Value variation _______________ E W North Speed Error Correction Correction ON OFF Settings NAVIPRINT NAVIPRINT ON OFF Paper Speed 60 mm h 150 mm h 600 mm h Heading 30 180 Settings ROT Time Constant time constant _______________ s ...

Page 94: ......

Page 95: ...iation NMEA HDG NMEA RMA NMEA RMC NMEA SuperFast 4800 Baud 9600 Baud 19200 Baud 38400 Baud NMEA HCHDT PLATH TxD NMEA Fast NMEA HCHDT HDT ROT PLATH Sens Data 2 Sens Data NAVIPRINT Analog ROT Outp Scale Factor sc factor _______________ mV min Zero Offset offset _______________ mV Protocol Type IEC 61162 1 NMEA 0183 System Type System G GM Hdg Sel CDU 1 Comp Mon Autopilot Ext Sel Alignment Error Corr...

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Page 97: ..._________ Hull No _________________ Mag Compass Heading Mag Hdg Display uncalibrated Correction Value Mag Compass Heading Mag Hdg Display uncalibrated Correction Value 0 180 10 190 20 200 30 210 40 220 50 230 60 240 70 250 80 260 90 270 100 280 110 290 120 300 130 310 140 320 150 330 160 340 170 350 ...

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Page 99: ... MK 2 4991 0112 01 2 Control Unit 4926 0112 01 1 Designation Drawing No Pages NAVIGAT X MK 2 4991 0115 12 1 Designation Drawing No Pages Gyrocompass NAVIGAT X MK 2 4991 0153 01 1 Note Standard connection diagrams are included for information only If installation specific connection diagrams have been provided for a given sys tem these are to be regarded as the only authoritative source of wiring a...

Page 100: ...056341 Rev AA NAVIGAT X Mk 2 Page B 2 App B Drawings ...

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Page 112: ...Freight Woltmanstrasse 19 D 20097 Hamburg Germany Correspondence Address P O Box 10 47 09 D 20032 Hamburg Germany Tel 49 40 299 00 0 Fax 49 40 299 00 298 E mail Service Kai_Stahl sperry marine com www sperry marine com ...

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NORTHROP GRUMMAN Sperry Marine NAVIGAT X MK 2, Assembly Instructions Manual

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