Simrad 000-15567-001 Instruction Manual Download Page 52 | Manualshive

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Simrad GC80/GC85 Compact Gyro Compass

44

20221511 / D

Activating an external heading sensor

If an external heading sensor is connected to the GC80/GC85,
dip switch no.5 on S1 on the ICIF board has to be set to enable
the external heading sensor.

TB3

F8

F6

F7

F2

F1

F3

F4

F5

No external sensor

Active external sensor

S1

OFF

8

1

ON

S1

1

8

Activating the pendulum function

If an external switch is connected to GC80/85 to operate the
pendulum function, dip switch no.4 on S2 on the ICIF board has
to be set to activate the pendulum function.

TB3

F8

F6

F7

F2

F1

F3

F4

F5

Pendulum function disabled

Pendulum switch enabled

OFF

8

1

S2

ON

S2

1

8

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Summary of Contents for 000-15567-001

Page 1: ...INSTRUCTION MANUAL SIMRAD GC80 85 COMPACT Gyro Compass 20221511D English ...

Page 2: ...03 B 17 02 05 C 05 12 05 D 09 05 07 Document history Rev A First issue Rev B Updated for new software release Master compass V 1 03 Control unit V 1 04 Rev C New procedure for how to adjust true heading updated dimensions for remote panel other minor updates to text throughout the manual Rev D Text and illustration updates ...

Page 3: ...to buttons on the operator panels are written in boldface but in a different text style e g SET button DISP button GYRO button Important text that requires special attention from the reader is emphasized as follows Note Used to draw the reader s attention to a comment or some important information Caution Used for warning the reader that a risk of damage to the equipment exists if care is not exer...

Page 4: ... gyro system 6 Advanced settings A description of parameters that can be entered or changed in the Extension menu 7 Technical specifications Specifications for the system and for all separate units in the GC80 GC85 Compact gyro system 8 Drawings Outline drawings and wiring diagrams for the GC80 GC85 Compact gyro system 9 Spare part list List of all standard and optional units that are used in the ...

Page 5: ...laying present settings 13 Displaying settings with no external sensor connected 13 Displaying settings with external sensor connected 14 3 5 Confirming present settings 16 True bearing 16 Latitude 16 Speed 17 3 6 Pendulum function 19 3 7 Alarm messages 20 Acknowledging an alarm 21 4 MAINTENANCE 23 4 1 General 24 4 2 Precautions 24 4 3 Cleaning the operator panels and the cabinet surface 24 4 4 Ch...

Page 6: ...d jumper settings 42 Activating the control unit for GC80 or GC85 system 43 Activating an external heading sensor 44 Activating the pendulum function 44 5 6 Installing the Sensitive element 45 Verifying the element s tilt angle 47 5 7 System start up and software configuration 49 System Start up 49 Configuring the gyro system 50 Setting the Latitude input source 52 Setting the Speed input source 5...

Page 7: ...Environmental Specification 70 GC80 85 Master Compass 70 GC80 Compact Control unit 70 8 DRAWINGS 71 8 1 Drawings included 72 9 SPARE PART LIST 79 9 1 GC80 Compact Gyro system 80 9 2 GC85 Compact Gyro system 80 9 3 GC80 GC85 Optional equipment 81 10 TERMINAL LAYOUT 83 10 1 ITERM board 84 TB1 84 TB2 85 TB3 86 10 2 IOPT board 87 TB3 87 TB4 87 11 DIP SWITCH SETTINGS 89 11 1 Compact control unit 90 ICI...

Page 8: ...e in Control unit 101 Inverter failure 101 Zero cross failure 101 System communication failure 102 GPS communication or data failure 102 Internal communication failure 103 External bearing sensor failure 103 LOG serial communication or data failure 103 Repeater failure 104 Failure when powering ON the gyro compass 104 12 4 Complete alarm code list 105 ...

Page 9: ...SYSTEM OVERVIEW 20221511 D 1 1 SYSTEM OVERVIEW This section provides an overview of GC80 and GC85 Compact Gyro compasses and their components ...

Page 10: ...d for vessels with speed up to 30 knots The system complies with IMO A 424 11 and Wheel Mark Specifications A GC85 Compact gyro system is suitable for high speed vessels with speed up to 70 knots It complies with IMO A 821 19 HSC GC80 and GC85 Compact gyro systems have different sensitive elements but use the same GC80 Compact Control unit The systems are identified with divergent dip switch setti...

Page 11: ...ppens any external equipment depending on the bearing output from GC80 85 should be operated manually or switched to other bearing sensors To assure long time safe operation the following precautions should be taken Assure that the operator is familiar with the use of the gyro compass Perform daily check to maintain normal system operation Refer MAINTENANCE page 23 onwards If any unusual behavior ...

Page 12: ...ckup function included in GC80 GC85 The following serial signal may be selected Lo speed IEC61162 1 ed 2 close in comparison with NMEA0183 version 2 30 4800 baud High speed IEC61162 2 based upon NMEA0183 version 2 30 4800 and 38400 baud possible Note A proprietary Tokimec serial signal may also be available but this is normally not used These signals may be set separately for each circuit For conn...

Page 13: ...USER INTERFACE 20221511 D 5 2 USER INTERFACE This section gives an overview of the GC80 Compact Control unit and the user interface ...

Page 14: ...e Data indicator consists of four 7 segments red LEDs The indicator is used for displaying the vessel s bearing latitude and speed Refer Displaying present settings page 13 The Data indicator is also used for displaying alarm codes as described from page 19 onwards The Mode indicator consists of three 7 segments green LEDs The Mode indicator displays codes used for identifying input type for beari...

Page 15: ...and input sources Refer System start up and software configuration page 49 onwards The button is also used for acknowledging an alarm as described in Acknowledging an alarm page 21 Arrow Buttons afj i jm qbpq Used for increasing or decreasing a parameter value Refer System start up and software configuration page 49 onwards Also used for lamp test and for setting the display illumination as descri...

Page 16: ...Simrad GC80 GC85 Compact Gyro Compass 8 20221511 D THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 17: ...OPERATION 20221511 D 9 3 OPERATION This section describes the main operating procedure used when operating the GC80 GC85 Compact Gyro compass ...

Page 18: ... HSc SW version for Control unit and for Master compass is displayed in rapid succession Examples of display text are shown below OR GC80 CONTROL UNIT STD VERSION GC80 CONTROL UNIT HIGH SPEED VERSION SW VERSION CONTROL UNIT SW VERSION MASTER COMPASS dvol 2 If the rotor was not completely stopped when the POWER button was pressed a rotor break function will be activated to stop the rotor Active rot...

Page 19: ...ng to steady light The GC80 GC85 will be settled within 3 hours when started with a deviation angle less than 5 With a larger deviation angle the compass will be settled within 4 hours Turning the Gyro compass OFF mltbo 1 Press the POWER button on the Control panel The light in the POWER button will be switched off dvol 2 Repress the POWER button to activate the rotor break function The light in t...

Page 20: ...pass is identified with light in the button s indicator lamp and with active compass type in the LCD as shown in the figures below dvol buq dvol j d buq GYRO COMPASS SELECTED AS ACTIVE STEERING SENSOR EXTERNAL HEADING SENSOR SELECTED AS ACTIVE STEERING SENSOR WARNING Changing active compass may result in large change of true bearing No changes should therefore be made when the system is in operati...

Page 21: ...ected show examples of how the present settings are presented by pressing the DISP button The display will be used as follows The first row in the display will show the value The second row displays code used for identification Displaying settings with no external sensor connected Display state Display Description Normal operation dvol buq True output bearing Active compass afpm 1st press on DISP ...

Page 22: ...4 Error indication afpm 6th press on DISP button Normal operation dvol buq True output bearing Active compass Displaying settings with external sensor connected Display state Display Description Normal operation dvol buq or dvol buq True output bearing Active compass The compass indication equals the sensor selected as active compass gyro or external afpm 1st press on DISP button or Bearing Passiv...

Page 23: ...s on DISP button Latitude Latitude indication North LA n or South LA s afpm 4th press on DISP button Vessel speed Speed input indication GPS Manual Log or Serial Log afpm 5th press on DISP button Rate of turn in min Rate of turn indication afpm 6th press on DISP button Error codes up to 4 Error indication afpm 7th press on DISP button Normal operation dvol buq or dvol buq True output bearing Activ...

Page 24: ...yed latitude value is calculated based on the vessel s true bearing and the vessel s actual speed Refer setting the latitude input source and speed input source page 52 onwards If GPS is selected as latitude input source the latitude obtained from the GPS is displayed on the LCD Confirm that the displayed latitude is the same as indicated on the GPS indicator If GYRO manual setting of latitude is ...

Page 25: ...If no speed information is available the gyro compass will output a heading error either westwards or eastwards depending on the vessel s course If speed information is unavailable the figure on next page may be used for manually calculating the heading error In this figure the following values are used as example Latitude 40 Vessel speed 16 knots Vessel heading 30 The heading error is found by 1 ...

Page 26: ...8 16 14 12 10 8 6 4 2 0 90 80 70 60 50 40 30 20 10 3 8 3 6 3 4 3 2 3 0 2 8 2 6 2 4 2 2 2 0 1 8 1 6 1 4 1 2 1 0 0 8 0 6 0 4 0 2 0 0 90 90 270 270 80 100 260 280 0 180 190 0 70 110 250 290 60 120 240 300 50 130 230 310 40 140 220 320 30 150 210 330 20 160 200 340 10 170 190 350 SPEED ERROR degrees LATITUDE degrees ...

Page 27: ...tch settings on ICIF board page 91 onwards When the switch is set to activate the function the following functions are obtained The compass heading and repeaters change by 180 from the heading An acoustic alarm sounds 5 times The dots in the indicator field in the display starts flashing These will remain flashing for as long as the pendulum function is active Normal compass operation is resumed b...

Page 28: ...ight side of the display The figure shows that alarm with code 1 3 and 2 were generated in that order i oj If more than 4 alarms are active this will be indicated with a dot behind the last number as shown on the figure below Further alarm codes may then be displayed by pressing the arrow up button The example shows that alarm code 2 3 U d and 7 were activated Caution When an alarm is generated be...

Page 29: ... situation continues the alarm lamp will switch from flashing to steady light The LCD will return to show true bearing with flashing numbers to indicate that the bearing may have large errors An alarm code for an active error may be recalled by pressing the DISP button until the alarm display is shown It is possible to recall any alarm code in the LCD for as long as the alarm situation is present ...

Page 30: ...Simrad GC80 GC85 Compact Gyro Compass 22 20221511 D THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 31: ...3 4 MAINTENANCE This section holds descriptions for maintenance procedures that should be performed by the system operator The section also includes a detailed description for how to replace the sensitive element and the fuses ...

Page 32: ...er cable from the Control unit Electrostatic charges may damage components on the circuit boards inside the units Always wear a correctly connected earthing strap when opening the units 4 3 Cleaning the operator panels and the cabinet surface Use a vacuum cleaner with a soft brush to avoid damage to the buttons and the panel If required clean the buttons and panel with a non abrasive cloth moisten...

Page 33: ...as required Clean slip rings and brushes Apply lightly 27102128 gyro slip ring lubrication oil Every second year 4 7 Replacing the Sensitive element Caution The Sensitive element should only be replaced by authorized Simrad personnel Note A special tool is required when installing the Sensitive element This tool is optional and must be ordered from Simrad part no 44174449 Mechanical installation C...

Page 34: ... and carefully remove the element from the compass 5 Place the defective Sensitive element in its original package and put the rubber tube on top of the element 6 Fasten the screw on the plug holder on the defective Sensitive element 7 Lift the new element carefully from its package and remove the rubber tube on top of the element Note The package and the rubber tube should be kept for re use if t...

Page 35: ...lement should be located right above the plug attached to the Horizontal ring 9 Position the Sensitive element on the Horizontal ring by putting the assembly jigs into the holes as indicated on the figure below Observe the rings on the jigs to ensure proper positioning Insert and fasten the two screws in the other holes ASSEMBLY JIG WITH 1 CIRCLE ASSEMBLY JIG WITH 2 CIRCLES ...

Page 36: ...crew on the plug holder on the Sensitive element and lift the holder 2 3 mm upwards 12 Connect the plug to the connectors on the Sensitive element s pcb according to the labelling on the pcb and on the wires Make sure that the pin guides on the plug are properly entered and that the wires are not twisted 13 Firmly tighten the screw on the holder Ground wire connection Pin guides ...

Page 37: ...e Remove the pressure and observe that the tilt angle remains at GC80 15 to 19 GC85 18 to 22 The tilt angle is indicated on the figures below 15 19 Max and min tilt angle for GC80 std system 18 22 Max and min tilt angle for GC85 High Speed system Note The tilt angle shown above is correct for cold condition The angle may change when the element has reached normal operational temperature ...

Page 38: ...e the gyro compass is started This is done from the Extension menu as described below 1 Enter the Extension menu by pressing and holding the SET button and the ACK ENT buttons simultaneously for appr 3 seconds Main category A 1 will be displayed 2 Press the SET button to enter the sub category loop Sub category 1 1 U and its parameter values will be displayed 3 Use the arrow buttons to increase or...

Page 39: ...n running continuously for at least 2 hours the horizontal ring should be adjusted 1 Locate the reference level tool on the horizontal ring and check that the level bubble is within 10 minutes from the center Each division equals 2 minutes 2 If the level bubble not is within this limit add or remove weights from the horizontal ring until it is level Note It is important that the total number of we...

Page 40: ...Compact Control unit For location of the fuses refer to the drawing on next page FUSE NO CAPACITY TB NO SIGNAL DESCRIPTION F1 TB1 33 1R24 Power supply for ch 1 serial repeater F2 TB1 38 2R24 Power supply for ch 2 serial repeater F3 TB1 43 3R24 Power supply for ch 3 serial repeater F4 TB1 48 4R24 Power supply for ch 4 serial repeater F5 1A TB1 21 ST15 Power supply for ch 1 step motor repeater F6 10...

Page 41: ... fuse is replaced Note The fuses in the Compact Control unit are open glass type and may be damaged if handles with force 1 Pull the damaged fuse up from the holder 2 Re install a new fuse by carefully pushing it into the holder When correctly located it should be fixed 1 2mm above and parallel with the mounting level F1 F5 1A F8 6 3A F6 F7 AND F9 TB3 ...

Page 42: ...ncy power supply F201 F202 Caution Make sure that power is disconnected from TB201 before any fuses are replaced The fuses in the Power Supply unit are located inside a fuse holder 1 Open the fuse holder by pressing and turning the fuse holder edge counter clockwise with a screw driver 2 Replace fuse F201 and F202 and close the holder by turning it clockwise F201 6 3A F202 20A TB201 ...

Page 43: ...INSTALLATION 20221511 D 35 5 INSTALLATION This section is a reference guide for correctly installing and configuring the GC80 85 Gyro Compasses ...

Page 44: ...material for the Sensitive element This original packing should be used if the element is sent to the factory for overhaul or repair Care should be taken when unpacking and handling the equipment A visual inspection should be made to see that the equipment has not been damaged during shipment and that all components and parts are included 5 2 Mechanical installation The units included in the GC80 ...

Page 45: ...1 blind cover In addition to this kit an optional control panel cable must be ordered The cable is available in three different lengths 5m part no 44170736 10m part no 44170744 15m part no 44170751 Use the following procedure when mounting the remote control panel 1 Open the control unit and remove the wiring strips holding the control panel s cable 2 Disconnect the cable s grounding wires labelle...

Page 46: ...as shown on the figure Fasten the panel with the 4 nuts 6 Insert the plug on the optional control panel cable and connect the grounding wire 7 Mount the cover on the back side 8 Fasten the cable to the cover by a wire strip 9 Slide the control panel cable through the cable inlet insert the plug in PWB_ICIF board and connect the grounding wire Secure the cable to the control unit by a wire strip 10...

Page 47: ...he optional Power supply unit are found on page 75 Jumper settings in Compact Control unit When the optional Power supply unit is included in the GC80 85 compact gyro system jumper settings in the GC80 85 Control unit have to be modified as follows F8 TB2 J6 J5 TB1 1 Remove J6 2 Remove the wire connecting TB2 16 and J5 3 3 Remove J5 ...

Page 48: ...indication on the top of the case pointing towards the vessel s bow Use the datum line in the front and back to of the compass to line up the unit It is possible to compensate for a small mounting offset by using the heading offset feature as described in Adjusting True heading page 54 2 Remove the four screws holding the compass case and lift the case carefully upwards and away 3 Remove the cable...

Page 49: ...gyro system is delivered from factory The wiring diagram on page 72 onwards includes cable specification for all cables that have to be used Caution If the optional Power Supply unit is included in the system jumper settings have to be modified as described in page 39 Connect power and signal cables according to the wiring diagram on page 72 onwards To avoid that vibration should cause the cables ...

Page 50: ...d GC85 gyro systems include several dip switches and jumpers With the exception of two switches on the ICIF board in the Control unit no switches have to be set when installing the system These two switches are set to configure the Control unit to match type of gyro system GC80 or GC85 and to activate an external heading sensor Note These dip switch settings are read when the system is started Any...

Page 51: ...s started the switch settings described below have to be changed to match a GC85 system Dip switch no 2 on S1 on the ICIF board identifies the gyro as a GC80 or GC85 system TB3 F8 F6 F7 F2 F1 F3 F4 F5 GC80 system GC85 system S1 1 8 OFF 8 1 S1 ON All outputs are selectable for 1 5 10 or 50Hz Refer dip switch settings on page 91 and jumper settings on page 93 Note A GC85 system is recommended to be ...

Page 52: ...he external heading sensor TB3 F8 F6 F7 F2 F1 F3 F4 F5 No external sensor Active external sensor S1 OFF 8 1 ON S1 1 8 Activating the pendulum function If an external switch is connected to GC80 85 to operate the pendulum function dip switch no 4 on S2 on the ICIF board has to be set to activate the pendulum function TB3 F8 F6 F7 F2 F1 F3 F4 F5 Pendulum function disabled Pendulum switch enabled OFF...

Page 53: ...ilt the element It is filled with oil and the top includes a ventilation opening 1 Make sure that the master compass is installed and cables connect according to the description on page 40 onwards 2 Remove the four screws on the Horizontal ring 3 Lift the sensitive element carefully from its package and remove the rubber tube on top of the element Note The package and the rubber tube should be kep...

Page 54: ...ing screws Locate the ground wire on one of the screws as shown on the figure 7 Loosen the screw on the plug holder on the Sensitive element and lift the holder 2 3 mm upwards 8 Connect the plug to the connectors on the Sensitive element s pcb according to the labelling on the pcb and on the wires Make sure that the pin guides on the plug are properly entered and that the wires not are twisted 9 F...

Page 55: ...te Remove the pressure and observe that the tilt angle remains at GC80 15 to 19 GC85 18 to 22 The tilt angle is indicated on the figures below 15 19 Max and min tilt angle for GC80 std system 18 22 Max and min tilt angle for GC85 High Speed system Note The tilt angle shown above is correct for cold condition The angle may change when the element has reached normal operational temperature ...

Page 56: ...th weight points on the tilting side north and south side 3 Carefully rotate the Horizontal ring at least one complete rotation Verify that all movable parts will turn around without making any contact with mechanical or electrical components 4 Lift the lid from the damper oil case and fill the container with the supplied damper oil The oil has high viscosity and care should be taken when pouring ...

Page 57: ...splay text are shown below OR GC80 CONTROL UNIT STD VERSION GC80 CONTROL UNIT HIGH SPEED VERSION SW VERSION CONTROL UNIT SW VERSION MASTER COMPASS dvol 2 The sensitive element starts rising horizontally and the compass turns 360 clockwise The display shows decreasing bearing as the compass is turning 3 If the gyro has been turned ON and OFF again but rotor still rotating when the POWER button was ...

Page 58: ...arger deviation angle the compass will be settled within 4 hours Configuring the gyro system Each Sensitive element is tuned to its Master compass before it is shipped from the factory This tuning is reflected in a set of parameters specific for this gyro compass These parameters are included in the sensitive element s package and they have to be entered into the Control unit as part of the gyro c...

Page 59: ...again to return to main category A1 and then press the DISP button to go to A2 main category 8 Press the SET button and enter values for 2 1 o and 2 3 h as described above 9 While still in A2 main category enter values for 2 5 y Year 2 6 N Month and Day 2 7 t Hour and Minute and 2 8 d total days of operation This value should be reset after installation Note All time parameters should preferably b...

Page 60: ...lecting Gyro or GPS as the latitude input source and confirm the entry with the ACK ENT button If Gyro is selected the display will change to flashing numbers If GPS is selected the display will show the latitude value read from the GPS 4 When Gyro is selected and the numbers are flashing press the arrow buttons for increasing decreasing the latitude value and confirm the entry with the ACK ENT bu...

Page 61: ... upper line in the display starts flashing 3 Use the arrow buttons for toggling between available speed input sources Manual GPS LOG pulse LOG serial 4 Select active speed input source and confirm the selection by pressing the ACK ENT button 5 If Manual input source is selected the display will change to show flashing numerical values 6 Use the arrow buttons for entering the speed value and confir...

Page 62: ...ontal ring is tilted more than 10 a bearing error will be generated Adjusting True heading After the GC80 85 is settled the gyrocompass has to be calibrated against an external reference e g a known target astronomical observation the heading of the pier or quay the vessel is moored to two fixed points on the chart that the vessel is sailing between The observation period for the heading differenc...

Page 63: ...until the display shows 1 5 To correct for 1 5 press the Arrow Down button until the display shows 358 5 5 Confirm the new value by pressing the ACK ENT button or reject the changes by pressing the SET button The display will return to sub category 2 1 o 6 Exit the Extension menu by pressing and holding the SET and ACK ENT buttons simultaneously for at least 3 seconds For further information about...

Page 64: ...Simrad GC80 GC85 Compact Gyro Compass 56 20221511 D THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 65: ...ADVANCED SETTINGS 20221511 D 57 6 ADVANCED SETTINGS This section gives an overview of the Extension menu how to enter the menu and how to change parameter values ...

Page 66: ...enu can be entered when any display is shown in the LCD 1 Activate the menu by pressing and holding the SET button and the ACK ENT buttons simultaneously for at least 3 seconds Main category A 1 will be displayed 2 Page through the main categories to the selected category by pressing the DISP button Pressing the DISP and ACK ENT buttons simultaneously will display the main category loop in reverse...

Page 67: ...efficient ratio to the standard value stored in software 1 00 0 00 2 00 1 3 S Horizontal servo gain Determines the gain of the horizontal servo loop where theta θ signal rotor tilting angle signal is calculated drives the horizontal DST and has the sensitive element follow to the gyro sphere tilting angle rotor tilting angle Present a coefficient ration to the standard value stored in software 1 0...

Page 68: ...ide X signal represents this amount of movement v This parameter is only used for GC85 2 32 0 00 5 00 1 8 c Ks H Suspension wire twist torque Fixed value 1 477 1 000 2 000 1 9 r Maximum rate of turn sec Maximum rate of turn in the turn rates which the bearing servo system followed up to this moment sec NOTE The maximum is measured after 3 hours from system start NOTE Reset this data certainly afte...

Page 69: ...ross bearing Absolute bearing set for MCU board when zero cross pin was passed during start up sequence last azimuth operation and normal running operation Zero cross bearing can be set in this menu but is normally set up be measuring position angle of the zero cross pin in the master compass by the test mode A 345 3 0 0 359 9 2 4 E Zero cross error allowance Zero cross alarm limit The compass wil...

Page 70: ...be selected as the vessel s speed input bE or Non 2 c t Display setting of GPS performance index data check The following abbreviations are used bE Check performance index Non Not check performance index bE or Non 2 d o Analogue signal output offset for ROT Offset value for analogue signal output of Rate Of Turn Entered value is 5 of maximum output ROT 0 00 0 0 161 2 e F Filter time constant for r...

Page 71: ...P LOG serial data parity bit Non Non Even Odd 5 3 S LOG serial data stop bits 1 1 or 2 A 6 6 1 C External sensor standard serial data character length 8 8 or 7 6 2 P External sensor standard serial data parity bit Non Non Even Odd 6 3 S External sensor standard serial data stop bits 1 1 or 2 A 7 7 1 t Master compass type Std Std or Hsc 7 2 u SCC software version number 7 3 u MCC software version n...

Page 72: ...Simrad GC80 GC85 Compact Gyro Compass 64 20221511 D THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 73: ...TECHNICAL SPECIFICATION 20221511 D 65 7 TECHNICAL SPECIFICATION This section lists all specifications for GC80 85 gyro compass ...

Page 74: ...s accuracy to be multiplied by 1 COS f where f Latitude 7 2 General specification Follow up speed 75 sec Gimbal freedom for both roll and pitch 45 Range of speed correction 0 50 knots GC80 latitude 0 70 0 70 knots GC85 latitude 0 70 Main power supply 24V DC or Option 100 110 115 200V AC 50 60Hz Power supply for alarm and back up 24V DC 70W Voltage fluctuation AC 10 DC 20 30 Frequency variation 5 P...

Page 75: ...TG xx T xx M xx x N xx K hh CR LF Serial input signal External heading Circuits 1 Electrical RS422 NMEA0183 Baud rate 4800 38400 bps Data bits 8 bits Parity None Stop bits 1 Freq 1 50Hz 20 50Hz Input format HDT xxx x hh CR LF HDG xxx x hh CR LF Serial input signal LOG Circuits 1 Electrical RS422 NMEA0183 Baud rate 4800 bps Data bits 8 bits Parity None Stop bits 1 Transmit freq 1 50Hz Input format ...

Page 76: ...op bits 1 Transmit freq GC80 1 5 10 50Hz GC85 1 5 10 50Hz Output format Data no 1 HEHDT xxx x T hh CR LF Data no 2 HEROT xxx xx A hh CR LF Data no 3 PCICM HEALM xxxx x xx hh CR LF Serial output signal 2 1 Circuits 4 Electrical RS422 485 Baud rate GC80 4800 bps GC85 38400 bps Data bits 8 bits Parity None Stop bits 1 Transmit freq GC80 1 5 10 50Hz GC85 1 5 10 50Hz Output format Data no 1 HEHDT xxx x...

Page 77: ...e 91 7 5 Physical Dimensions GC80 Master Compass Height 438 mm 17 2 Width 340 mm 13 4 Depth 340 mm 13 4 Weight 23 kg 51lbs GC80 Compact Control Unit Height 252 mm 9 9 Width 278 mm 10 9 Depth 126 mm 5 0 Weight 7 kg 15 lbs GC80 Power Supply unit option Height 290 mm 11 4 Width 307 mm 12 1 Depth 140 mm 5 5 Weight 8 kg 18 lbs 7 6 Power GC80 85 Master Compass Voltage input Supplied from Control unit ...

Page 78: ... V AC 10 Frequency 50 60 Hz 5 Backup voltage 24V DC 20 30 7 7 Environmental Specification GC80 85 Master Compass Enclosure material Aluminum Color Black Temperature range Operating 10 50 C 14 122 F Storage 25 70 C 13 158 F Angular freedom of gimbal 45 for roll and pitch GC80 Compact Control unit Enclosure material Aluminum Environmental protection IP22 Color Black Temperature range Operating 10 50...

Page 79: ...DRAWINGS 20221511 D 71 8 DRAWINGS This section contains outline drawings showing mechanical dimensions of the different GC80 GC85 units together with wiring diagrams for the gyro system ...

Page 80: ... 710179 A GC80 GC85 Power Supply unit dimensions N3 710180 A GC80 85 Remote panel dimensions D4 710208 B To scale drawings are available upon request The following wiring diagrams are enclosed Name Drw no Rev GC80 85 Gyro Compass Compact system Wiring diagram N3 710181 C GC80 85 Gyro Compass Compact system with Power supply unit Wiring diagram N3 710182 C Note The original signed drawings are reco...

Page 81: ...DRAWINGS 20221511 D 73 páãê Ç bÖÉêëìåÇ p klot v J bdboprka d UMLd UR aáãÉåëáçåë çãé Åí çåíêçä ìåáí N P k N TNMNTU ...

Page 82: ...Simrad GC80 GC85 Compact Gyro Compass 74 20221511 D _lt páãê Ç bÖÉêëìåÇ p klot v J bdboprka d UMLd UR aáãÉåëáçåë j ëíÉê çãé ëë N P k N TNMNTV ob pbosf b ob pbosf b ob pbosf b ob pbosf b _lt ...

Page 83: ...DRAWINGS 20221511 D 75 páãê Ç bÖÉêëìåÇ p klot v J bdboprka d UMLd UR aáãÉåëáçåë mçïÉê ëìééäó ìåáí N P k N TNMNUM ...

Page 84: ...Simrad GC80 GC85 Compact Gyro Compass 76 20221511 D ...

Page 85: ...X 1TSC 1R24 1R24 34 35 36 37 38 44 45 46 47 48 17 ST11 18 19 20 21 ST13 ST12 2TX 2TX 2TSC 2R24 2R24 3TX 3TX 3TSC 3R24 3R24 4TX 4TX 4TSC 4R24 4R24 ST14 ST15 TB3 200 400 pulse n mile SL 12 SL 13 INPUT SIGNAL INPUT 10 11 9 8 7 TB2 GRX GRX LRX LRX LSC VTG GGA GLL VBW R24 R24 IOPT PWB selectable 6 10 11 13 9 12 7 8 RECOMMENDED DC24V STEP SIGNAL no serial signal type repeater is used No wire should be c...

Page 86: ...SUPPLY UNIT SW PC POV POC PF 24R 24R 24B 24B 24M 24M TB201 2B 2B 2AC2 2AC1 FGND 14 11 10 9 8 7 4 3 6 5 2 1 TB1 SW 8 PC POV POC PF 24R 24R 24B 24B 24M 24M TB2 6 5 4 3 2 1 4 3 2 1 TB3 15 16 18 17 1 2 NMEA OUT HEHDT HEROT DC24V STEP SIGNAL no serial signal type repeater is used No wire should be connected if çãé Åí ëóëíK ïLmçïÉê pìééäK ìåáí The following jumper modifications have to be done 1 Remove ...

Page 87: ...SPARE PART LIST 20221511 D 79 9 SPARE PART LIST This section includes part numbers for all standard and optional units that may be included in a GC80 and GC85 gyro system ...

Page 88: ...0221511 GC80 GC85 Compact gyro compass Instruction manual 44174449 Special tool required when installing the Sensitive element 9 2 GC85 Compact Gyro system PART NO DESCRIPTION 27101682 GC85 Master compass 44170728 GC85 Sensitive element 27101690 GC80 Compact Control unit 20221511 GC80 GC85 Compact gyro compass Instruction manual 44174449 Special tool required when installing the Sensitive element ...

Page 89: ...ote installation of operating panel 44170736 GC80 Extension cable 5 meter for remote installation of operating panel normally mounted in Control unit 44170744 GC80 Extension cable 10 meter for remote installation of operating panel normally mounted in Control unit 44170751 GC80 Extension cable 15 meter for remote installation of operating panel normally mounted in Control unit ...

Page 90: ...Simrad GC80 GC85 Compact Gyro Compass 82 20221511 D THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 91: ...LAYOUT 20221511 D 83 10 TERMINAL LAYOUT This section includes tables which list all terminal pins and terminal labelling on pcbs in the GC80 Control unit The tables include detailed description for each terminal ...

Page 92: ...signal 10 MSC Serial signal common 11 ECA 12 ECA Master compass encoder signal A phase 13 ECB 14 ECB Master compass encoder signal B phase 15 ECC Master compass encoder signal common 16 FGND Earth 17 ST11 18 ST12 19 ST13 Step signal open drain signal 20 ST14 Step signal 24V DC common 21 ST15 Step signal 24V DC 22 Not used 23 ALCN 24 ALCN Alarm contact signal output 25 BZSP 26 BZSP Buzzer stop sign...

Page 93: ...24 Serial repeater power supply 24V DC 44 4TX 45 4TX Serial signal output 46 4TSC Serial signal common 47 4R24 Serial repeater power supply 24V DC common 48 4R24 Serial repeater power supply 24V DC TB2 When used with Simrad Power supply unit OPTION PIN NO NAME DETAILS 1 24R Power unit 24R input 2 24R Power unit 24RC input 3 PF 4 POC 5 POV 6 PC Power unit alarm input 7 SWV Not used 8 SW Power unit ...

Page 94: ...th 24V DC main PIN NO NAME DETAILS 1 24M 2 24M External power supply input 3 24B 4 24B Not used 5 24BT 6 24BT Battery backup When used with non Simrad Power supply unit PIN NO NAME DETAILS 1 24M 2 24M 3 24B 4 24B External power supply input 5 24BT 6 24BT Battery backup ...

Page 95: ... serial signal input NMEA 10 TKSC 11 TKTX 12 TKTX Not connected TB4 PIN NO NAME DETAILS 1 ESRX 2 ESRX External sensor serial signal input 3 ESC External sensor serial signal common 4 RNCN1 5 RNCN2 Running contact signal output 6 GCCN 7 GCCN Gyro select signal input External switch 8 ECCN 9 ECCN External sensor select signal input External switch 10 SEL1 11 SEL2 12 SELC Not used ...

Page 96: ...Simrad GC80 GC85 Compact Gyro Compass 88 20221511 D THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 97: ...DIP SWITCH SETTINGS 20221511 D 89 11 DIP SWITCH SETTINGS This section includes drawings for the different printed circuits boards in the Control unit that include jumpers and dip switches ...

Page 98: ...se jumpers dip switches are used in installation and pre running procedure for the gyro compass Refer Jumper settings in Compact Control unit page 39 and Dip switch and jumper settings page 42 The following pages includes drawings showing location of jumpers and or dip switches together with a short description for the different settings TB1 TB3 TB4 1 6 S1 S2 S3 TB2 F7 F9 F6 TB3 F8 F1 F2 F3 F4 F5 ...

Page 99: ... type OFF Standard ON High Speed S1 3 OFF Control unit type OFF Expanded ON Dual S1 4 OFF 2 gyros used OFF No ON Yes SW1 5 OFF SW1 6 OFF No external sensor SW1 5 OFF S1 5 OFF SW1 6 ON Not used SW1 5 ON SW1 6 OFF External sensor connected SW1 5 ON S1 6 OFF External sensor connection SW1 6 ON Not used S1 7 OFF Serial signal format OFF IEC61162 2 NMEA0183 ref page 4 ON Tokimec S1 8 OFF Alarm output s...

Page 100: ...2 5 ON S2 6 ON Serial signal transmit frequency IEC61162 1 ed 2 SW2 6 ON Invalid S2 7 OFF S2 8 OFF Not used S3 1 OFF Timer startup OFF No ON Yes S3 2 OFF Talker ID of ROT sentence OFF HE ON TI S3 3 ON S3 4 OFF Not used S3 5 OFF Ban or permission of a ROT sentence output Valid at the time of external sensor standard selection OFF Disabled ON Enabled S3 6 ON For Simrad use OFF Not used ON Simrad GC ...

Page 101: ...ort ITERM board TB1 2TX 1 2 short IEC61162 2 or TOKIMEC version 3 4 short IEC61162 1 ed 2 ref page 4 NOTE Never use both jumpers at the same time J9 3 4 short Output port ITERM board TB1 3TX 1 2 short IEC61162 2 or TOKIMEC version 3 4 short IEC61162 1 ed 2 ref page 4 NOTE Never use both jumpers at the same time J10 3 4 short Output serial signal selection Output port ITERM board TB1 4TX 1 2 short ...

Page 102: ... port ITERM board TB1 ALCN 1 2 short Alarm CLOSED Normal OPEN 3 4 short Alarm OPEN Normal CLOSED NOTE Never use both jumpers at the same time IOPT board DIP switch settings on IOPT board SWITCH DEFAULT FUNCTION DESCRIPTION S1 1 OFF 38400 bps S1 2 OFF 9600 bps S1 3 ON LOG serial baude rate for transmission 4800 bps S1 4 OFF 38400 bps S1 5 OFF 9600 bps S1 6 ON LOG serial baude rate for receive 4800 ...

Page 103: ...t Running Open Normal Closed NOTE Never use both jumpers at the same time J6 1 2 short Polarity of LOG signal setting Input port IOPT board TB1 L RX 1 2 short Standard 3 4 short Reversed polarity NOTE If a signal not is received with 1 2 short 3 4 should be set to short NOTE Never use both jumpers at the same time J7 1 2 short Polarity of External heading sensor signal setting Input port IOPT boar...

Page 104: ...3 short 2 4 short J5 J5 3 to TB2 16 short No Power supply unit J6 System used without Power supply unit 1 3 short 2 4 short No Power supply unit Jumper settings with Power supply unit JUMPER DEFAULT FUNCTION DESCRIPTION J5 All open J6 System used with Power supply unit All open With Power supply unit Note Remove the wire connecting TB2 16 and J5 3 Refer page 39 ...

Page 105: ...RRECTIVE ACTIONS 20221511 D 97 12 ALARM MESSAGES AND CORRECTIVE ACTIONS This section provides a description which system errors that are displayed and which corrective actions that could be performed by the system operator ...

Page 106: ... situations are present The last activated alarm will be displayed on the right side of the display The figure below shows that alarm with code 1 3 and 2 were generated in that order i oj If more than 4 alarms are active this will be indicated with a dot behind the last number as shown on the figure below Further alarm codes may then be displayed by pressing the arrow up button The example shows t...

Page 107: ... the alarm code will be removed from the LCD If the alarm situation continues the alarm lamp will switch from flashing to steady light The LCD will return to show true bearing with flashing numbers to indicate that the bearing may have large errors An alarm code for an active error may be recalled by pressing the DISP button until the alarm display is shown It is possible to recall any alarm code ...

Page 108: ...em error Shut down and restart the gyro compass Verify that all cables are properly connected according to the wiring diagrams page 71 onwards Check the cables from the main power supply to the Control unit Main power failure Alarm generated when the main power supply is lost Caution Turn OFF the power as described in page 11 before checking the main power supply 1 Verify that the main power switc...

Page 109: ...nds 2 If no alarm is activated continue the start up procedure as described in Start Up page 10 3 If the alarm is repeated turn OFF the power and check the inverter fuse F1 12A For location and replacement of the fuses refer to page 30 onwards Zero cross failure This alarm is generated when the reference angle for the compass bearing not can be properly detected or if a fault is generated in the b...

Page 110: ...he Master compass and the terminal board in the Control unit as shown below GC80 Master compass TB1 MR GC80 Compact Control unit GTERM PWB TB1 MR GPS communication or data failure and Generated when if the communication from GPS has stopped or when there is a failure in the communication line from the GPS Note This alarm is only generated when GPS is selected as the vessel s input source for latit...

Page 111: ...n a failure is detected in this serial signal Note This alarm is only generated when the external bearing sensor is selected as active bearing output source 1 Verify that the external bearing sensor operates correctly according to the system s documentation LOG serial communication or data failure and Activated when the serial signal from LOG serial has stopped or when a failure is detected in the...

Page 112: ...er to page 32 onwards No output on any repeater 1 Disconnect the power to the Control unit and check the following fuses F8 6 3A For location and replacement of the fuses refer to page 32 onwards Failure when powering ON the gyro compass If alarm code and are generated simultaneously when the GC80 system is turned ON the following procedure should be used to correct the alarm situation 1 Press the...

Page 113: ...or tilting angle is abnormal 12 Rotor tilting angle is abnormal 13 Horizontal servo loop is abnormal 14 Bearing servo loop is abnormal E 7 1 Servo loop is abnormal 15 Rate limit is abnormal E 8 Zero cross is abnormal 36 Zero cross azimuth angle sensor is abnormal 16 Memory is abnormal 17 Memory is abnormal 18 Memory is abnormal 19 Memory is abnormal E 9 1 Memory is abnormal 20 Memory is abnormal 2...

Page 114: ...mal 31 EXT sensor data abnormal timeout is 17 sec E P LOG serial communication off 28 When LOG serial source is stopped or serial signal from LOG serial is cut timeout is 15 sec E U LOG serial data abnormal 29 LOG serial data abnormal timeout is 17 sec E r E5V is lost 34 E5V power supply of serial signal is lost E G Master bearing is abnormal 35 When compensation of the bearing by the encorder sig...

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