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Simrad AP25 Autopilot 

74

 

20221495F

 

PREVIOUS MODELS DRIVE OF UNITS 

Model Autopilot 

computer 

Drive unit 

voltage 

Input 

voltage 

(Mains) 

Drive output  Interface to 

steering 

gear 

RPU100 (1,0l) 
RPU150 (1,5l) 
RPU200 (2,0l) 
(Reversible 
hydraulic 
pump) 

AC20 
AC20 
AC20 

12V 
12V 
24V 

12,24,32V Proportional 

rate 

Hydraulic 
plumbing 

RPU1 (1,4/2,0l) 
RPU3 (3,8/5,0l) 

AC10 
AC10 

12V, 24V
24V, 24V 

 Solenoid 

valves, on/off 

Hydraulic 
plumbing 

MRD100 
(Reversible 
mechanical 
drive) 

AC40 
AC20 

12V 
24V 

12,24,32V
24,32V 

12V to clutch 
24V to clutch 
Proportional 
rate to motor 

Chain/ 
sprockets 

MRD150 

(USA only) 

AC20 12V 

32V 

12, 24V 
32V 

12V to clutch 
32V to clutch 
Proportional 
rate to motor 

Chain/ 
sprocket 

Note ! 

When selecting 

DRIVE UNIT

 voltage in the Installation setup, 

the clutch/bypass voltage is always set equal to the motor 
voltage. If a retrofit installation where e.g. a HLD2000 has a 
12V motor and a 24V bypass valve, the bypass valve solenoid 
has to be changed back to standard 12V version.  

Connecting a reversible pump 

Simrad

reversible

pump

AUTOPILOT COMPUTER

POWER PCB

TB1 TB2 TB3 TB4 TB5

TB6

So
l. -M
ot

or

So
l. -M
ot

or

 

Figure 3-5   Connecting a reversible pump 

Summary of Contents for AP25

Page 1: ...MANUAL SIMRAD AP25 Autopilot 20221495F Sw 1 3 English ...

Page 2: ......

Page 3: ...lex electronic system It is affected by sea conditions speed of the vessel hull shape and size Please take time to read this manual to get a thorough understanding of the operation and system components and their relationship to a complete AP25 autopilot system Other documentation material that is included in this manual is a warranty card This must be filled out by the authorized dealer that perf...

Page 4: ... 19 Minor corrections in text and display pictures Rev D Figures 3 6 3 9 3 19 and drawing screen picture on page 39 and 50 corrected Minor corrections in text Updated according to autopilot SW 1 2 00 Rev E Virtual feedback implemented Minor corrections to text Applies for SW 1 2 01 and onwards Rev F Correction on page 71 93 and 150 regarding external alarm on AC10 Use of AT10 for connection of NME...

Page 5: ...ass optional 12 Simrad gyrocompasses 12 1 8 Optional equipment 13 R3000X Remote Control 13 JS10 Joystick 13 FU25 Follow Up Steering Lever 13 TI25 Thruster Interface 13 Multiple stations 14 1 9 Software record 14 2 Operation 15 2 1 Overview 15 2 2 ON OFF Standby mode 16 Flashing course knob icon 17 Alarms 17 2 3 AP25 with MSD50 Stern Drive unit 18 Zero point setting 18 2 4 Follow Up steering FU 19 ...

Page 6: ...tional 33 2 14 Tacking in Auto mode 35 2 15 NoDrift 35 Dodge in NoDrift mode 36 2 16 Navigating with the AP25 37 Setting the waypoint arrival circle 39 2 17 Dodge in NAV 40 2 18 Selecting a different Navigation source 41 2 19 Wind vane steering 41 2 20 Tacking and gybing in Wind mode 43 Tack and gybe operations 44 Tack and gybe prevent 44 2 21 Wind steering and navigation 45 Operating in WINDNAV m...

Page 7: ...e system configuration 66 3 5 AP25 System Layout 67 3 6 RF300 Rudder feedback installation 67 3 7 Autopilot computer installation 69 3 8 Cable connections 70 3 9 Grounding and RFI 70 3 10 Drive unit installation 72 Connecting a reversible pump 74 Connecting a hydraulic linear drive 75 Connecting a solenoid valve 75 3 11 Control unit installation 76 Panel mounting 76 Alternative panel mounting 76 O...

Page 8: ...External Alarm 93 3 27 LF3000 Linear Feedback 93 4 Configuration and setup 95 4 1 First time turn on 95 4 2 Description of Installation Settings 96 4 3 Installation Menu 97 Language selection 98 4 4 Dockside settings 100 Boat type 100 Drive unit voltage 101 Rudder Feedback Calibration 101 Rudder Test 103 Drive engage 105 Rudder Deadband 105 Wind setup 106 Minimum wind angle NORMAL 106 Minimum wind...

Page 9: ... change limit 124 Rudder play compensation 124 4 8 Parameters 125 Manual parameter adjust 126 Recall Autotuned 128 4 9 Service Menu 128 System Data Menu 129 SimNet and NMEA Data Screen 129 NMEA Port test AC hardware 130 Simnet setup 131 Master Reset 132 Final sea trial 132 Providing user training 133 5 Maintenance 135 5 1 Control unit 135 5 2 Autopilot Computer 135 5 3 Rudder Feedback 135 5 4 Comp...

Page 10: ...em 147 8 2 AP25 Control Unit 149 8 3 Autopilot Computers 150 8 4 RC36 Rate compass 152 8 5 RFC35 Fluxgate compass 153 8 6 RF300 Rudder Feedback 153 8 7 R3000X Remote Control 155 8 8 JS10 Joystick 155 8 9 FU25 Steering Lever 156 8 10 IS15 Rudder 157 8 11 SimNet 158 8 12 IP protection 159 8 13 NMEA and SimNet messages 160 9 Glossary 164 10 Index 167 SALES AND SERVICE WORLDWIDE ...

Page 11: ...al Feedback algorithms in the autopilot software enable your autopilot to steer without having to mount a conventional rudder feedback unit The autopilot system can be expanded and enhanced with a selection of options and accessories The brain in the AP25 autopilot system is the single intelligent autopilot computer that communicates on the proprietary Robnet2 network to establish a reliable digit...

Page 12: ...mailed in to activate the warranty 1 3 System components A basic AP25 system consists of the following units refer to Figure 1 1 AP25 Control Unit with accessories Autopilot Computer Rate compass Rudder Feedback Unit with transmission link Drive unit The basic system can be expanded with multiple fixed and hand held full function control units hand held remote and steering lever Figure 1 1 AP25 Ba...

Page 13: ...steering computer interface to other system components NMEA 0183 interface and drive electronics for the drive unit motor and clutch Three models AC10 AC20 and AC40 are available Autopilot computer comparison chart AC10 AC20 AC40 Supply voltage 10 28 V 10 40 V Motor current continuous peak 6 12 A 10 20A 20 40A Clutch bypass current 1 5 A 1 5 A Number of control units 2 7 NMEA 0183 ports input outp...

Page 14: ... is sensed by a floating ring core in a fluxgate coil and transformed to a digital signal read by the autopilot steering computer RFC35 can operate as a low cost back up compass for the AP25 autopilot NMEA compass optional A well performing compass that outputs NMEA 0183 HDT or HDG messages at 10 Hz can be connected directly to the AC20 or AC40 autopilot computer The AC10 Autopilot Computer has no...

Page 15: ...ing lever features a dial with 5 rudder angle markings The rudder will move and stop at the angle selected on the dial The FU25 has a mid position indent buttons for limited mode selection and mode indicators It is designed for indoor and outdoor bulkhead or flush panel mounting Refer to the FU25 manual for more information TI25 Thruster Interface The TI25 Thruster Interface is designed to provide...

Page 16: ...ift mode implemented Easy access to NAV source selection Selectable NAV change limit implemented Steering parameters can be changed in Auto mode User Setup menu re edited Outboard selectable as boat type in dockside setup Improvement in Wind mode algorithms Depth contour pattern implemented New INFO page showing SOG Depth SW 1 2 01 Virtual feedback implemented SW 1 3 00 Anomalies in Setup and in F...

Page 17: ...is prohibited by law When using an autopilot Do not leave the helm unattended Do not place any magnetic material or equipment near heading sensor used in the autopilot system Verify at regular intervals course and position of vessel Always switch to Standby mode and reduce speed in due time to avoid hazardous situations 2 1 Overview Multifunction LCD STANDBY mode POWER on off AUTO mode NAV or WIND...

Page 18: ... provides you with a multiple function mode display A group of user adjustable settings are provided in the AP25 User Setup Menu page 50 Alarms are presented in plain text to alert you of system and external data failure conditions Alarms include both audible and visual presentations The alarm listing is on page 139 2 2 ON OFF Standby mode Note At first time turn on see chapter 4 1 A single press ...

Page 19: ...essing the STBY button for 2 3 seconds STBY mode is the mode that is used when steering the boat at the helm Display information Standby mode Current heading 345 Rudder angle 1 to starboard Note When the autopilot operates on Virtual feedback the numerical indication of the rudder angle is omitted Virtual feedback See pages 67 and 109 about Virtual feedback Flashing course knob icon When the cours...

Page 20: ... AUTO button The zero point is then set automatically If you prefer to use the rudder angle display when leaving the dock proceed as follows After turn on the rudder angle display will alternate between 10 degrees port and starboard to indicate that the rudder zero point need be set Use the wheel to bring the rudder to midship position Turn the wheel from lock to lock H O to H O and count the exac...

Page 21: ... Up Use course knob to command rudder angle WARNING While in Follow up mode you cannot take manual control of the wheel Return to manual control in Standby by pressing the STBY button 2 5 Non Follow Up steering NFU In Standby mode the NFU display is presented when the PORT or STBD button is pressed The rudder will move as long as the button is pressed and the rudder angle is shown on the display A...

Page 22: ...0X SIMRAD STBY automatic Automatic modes are active when the lamp is lit STBY AUTO NAV STBY AUTO WIND WINDN AUTO STBY STBY WIND STBY STBY STBY STBY AUTO AUTO 1 3 STBY 2 WIND 2 WIND 2 WIND 3 Notes 1 When NAV mode is selected in User Setup 2 When WIND mode is selected in User Setup 3 NAV and WINDN modes can only be entered from the Control unit because you have to accept the prompt displays 2 7 JS10...

Page 23: ... buttons One revolution of the course knob equals a 45 course change Decrease Increase Course adjust 1 or 10 push Course change CCW Decrease CW Increase Note On power boats it is possible in the User Setup menu to set the buttons to change the course by 10 per press see page 255 Once the course is changed to a new set course the boat will automatically turn to the new heading and continue to steer...

Page 24: ... modes Power boat The AP25 selects the LO response steering parameters when engaging an automatic mode from STBY provided there is no speed input This is a safety feature When entering an automatic mode at low speed the steering parameters may be changed to HI automatically by input data from a speed log or a GPS navigator or manually The speed at which the AP25 automatically changes from LO to HI...

Page 25: ...een HI and LO parameters and vice versa will have a different characteristics with regards to the wind angle compared with the transition controlled by the speed of the boat If you loose too much speed e g when tacking the parameters will change to HI to gain sufficient rudder response This should be observed when setting the transition speed on sailboats 2 10 Manual Selection of HI LO Parameters ...

Page 26: ...Set up 2 menu Refer to Turn Pattern select on page 55 U turn This feature is very useful in a man overboard situation and whenever you want to steer back on a reciprocal heading U Turn changes the current set course to be 180 degrees in the opposite direction The user must decide whether the U Turn should be made to Port or Starboard when bringing the boat on the new course U Turn is activated by ...

Page 27: ...U turn with a press of the TURN DODGE button Then select C turn by another press of the TURN DODGE button Boat turning port The AP25 will continue on the set course until you press either the PORT or STBD button to select the direction in which to make the C turn If you do not press PORT or STBD within 1 minute the autopilot will return to AUTO mode and stay on course The turn rate can be adjusted...

Page 28: ...itial rate of turn can be adjusted before the turn is initiated Increasing the ROT yields to a smaller circle and vice versa Adjustable range is 10 to 600 min The AP25 will continue on the set course until you press either the PORT or STBD button to select the direction in which to make the spiral turn If you do not press PORT or STBD within 1 minute the autopilot will return to AUTO mode and stay...

Page 29: ...rn is initiated Range 2 70 The AP25 will continue on the set course until you press either the PORT or STBD button to select the direction in which to make the first course change If you do not press PORT or STBD within 1 minute the autopilot will return to AUTO mode and stay on course While sailing in a zigzag pattern you can alter the course change 4 140 time on the leg 1 20 min and the set cour...

Page 30: ...be adjusted before the turn is initiated 1 30 min The AP25 will continue on the set course until you press either the PORT or STBD button to select the direction in which to make the first course change If you do not press PORT or STBD within 1 minute the autopilot will return to AUTO mode and stay on course When the square turn is selected you can change the time between each course change 1 20 m...

Page 31: ...rn is initiated 2 80 The AP25 will continue on the set course until you press either the PORT or STBD button to select the direction in which to make the first course change If you do not press PORT or STBD within 1 minute the autopilot will return to AUTO mode and stay on course While in a Lazy S pattern you can alter the course change magnitude 4 160 the frequency or rate of change 1 9 and the m...

Page 32: ... Slope Narrow channel Ridge Caution Do not use this feature unless the seabed is suitable Do not use it in rocky waters where the depth is varying significantly over a small area Ensure that the depth turn pattern has been selected under the User Set up menu Refer to Turn Pattern select on page 55 Make sure you have depth reading available in the system Press the TURN DODGE button repeatedly until...

Page 33: ...ilot is tracking the depth by computing an x track error when the boat is off the reference depth This error automatically adjusts the set course to bring the boat back on track Use the gain control to have a firm or smooth response to the variation in depth Range 05 95 Main course This should be the main average direction of the depth contour you want to follow If the contour line is making a big...

Page 34: ... When in DODGE mode the displayed set course is the last one set prior to activating the dodge function When DODGE is displayed the AP25 is no longer in control of the steering and you must either manually steer the boat in STBY mode or take control using Non Follow Up or Follow Up steering On manual steering STBY mode the clutch or bypass valve in the drive unit will be disengaged The AP25 will r...

Page 35: ...ected to the AP25 system and the boat can then be controlled by rudder and thruster When the AP25 is controlling the thruster you may Have excellent course and track keeping performance at very low speeds AUTO or NAV modes Have automatic heading control when stationary e g keep the bow into the wind and or the waves Provided the warf has no steel construction you can use AUTO mode to keep the bow ...

Page 36: ...ote When operating an On Off thruster be aware that most electrical thrusters have a built in thermal cut off switch The switch will shut off the motor if it is overheating and re engage it when it has cooled down The water temperature also affects the running time The On Off thruster may only run for a few minutes and the total running time for a longer period should be limited by increasing the ...

Page 37: ... for the fixed course change and the difference in displays the procedure is similar to that of the U Turn described on page 24 Press TURN DODGE to enter TACK mode Select STBD tack Boat makes STBD tack 2 15 NoDrift Note The source when operating in NoDrift mode is the Position Pos source The NoDrift mode is an alternative to route steering in NAV mode and is automatically entered when you press th...

Page 38: ... key is now programmed to always activate the NoDrift mode If you want the key to activate NAV mode enter the User Setup menu and select NAV NoDrift mode Set course 345 NoDrift indicator 0 000nm Pos Source CP34 Heading 345 M Note To operate in NoDrift mode your GPS chart plotter must be turned on Dodge in NoDrift mode This is similar to dodging in Auto mode ...

Page 39: ...ng must be tested and determined satisfactory The navigation receiver GPS Chart Plotter must be in full operating mode with adequate signal characteristics for valid position and navigation data At least one waypoint must be entered and selected as the current Go to waypoint The navigation receiver source for the autopilot will be the one that is automatically selected in the interface set up or m...

Page 40: ...NAV mode Course to steer CTS 211 is set internally by the autopilot to steer the boat onto the track line Cross track error XTE 0 017 nm to stbd NAV data source CE34 1 Compass heading 345 M Next waypoint Egersund Bearing from current position to the next waypoint BPW 270 M Distance to waypoint 10 nm Note For Cross Track Error the number of decimals shown depends on the output from the GPS chart pl...

Page 41: ...ll continue on the current set course in AUTO mode Regain manual steering by pressing the STBY button Setting the waypoint arrival circle For route navigation it is recommended to use automatic waypoint shift change at a set waypoint arrival circle The arrival circle should be adjusted according to boat speed The higher speed the wider circle The intention is to make the autopilot start the headin...

Page 42: ... However the previous set course is stored by the AP25 When DODGE is flashing on the display the AP25 is no longer in control of the steering and you must either steer the boat manually or take control using either Non Follow up steering or Follow up steering On manual steering the clutch or bypass valve in the drive unit will be disengaged when dodging The AP25 will remain in the DODGE mode until...

Page 43: ...g a different navigator page 52 2 19 Wind vane steering Prior to entering WIND mode the AP25 system should be operating in AUTO with valid input from the selected wind transducer The WIND mode is only available if the system has been set up for SAIL boat in the Installation Dockside Menu and the NAV WIND source is set to WIND under the USER SETUP menu Refer to page 50 Enter the WIND mode by pressi...

Page 44: ...ane mode Set wind angle 044 degrees from stbd Measured wind angle 041 A apparent T True Course to steer 309 Compass reading 311 M magnetic T true Heading source Rate compass Rudder angle 01 to port Speed over ground SOG 8 0 kts Parameter LO A Low response automatic set Steer port Steer stbd Adjust set wind angle 1 push Major wind angle adjust CCW Steer port CW Steer stbd Regain manual steering by ...

Page 45: ...e tacking operation will immediately mirror the set wind angle to the opposite side A tacking message will flash on the display for 5 seconds Any new command given when the message is flashing will interrupt the tack operation The rate of turn during the tack will be given by the Tack time parameter set in the Installation Dockside menu page 107 A quick press on the TURN DODGE button will activate...

Page 46: ...y the performance of the drive unit Tack and gybe prevent When beating and running sailing is at the most critical If the sails are unbalanced when beating yaw forces from the sails can drive the boat into the wind If the boat is driven beyond the minimum wind angle the thrust from the sails will suddenly disappear and the boat speed reduced Then the boat will be even more difficult to steer becau...

Page 47: ...or drive unit is not adequate it may happen Pay particular attention in such situations 2 21 Wind steering and navigation The autopilot can also steer the boat given both wind data and track data from a GPS Chartplotter In this mode called WINDNAV mode the automatic steering is based on a set of criteria see bullets below Wind steering and navigation is activated by pressing the NAV WIND button wh...

Page 48: ...Simrad AP25 Autopilot 46 20221495F 1 2 4 3 7 5 6 8 Figure 2 2 Wind steering ...

Page 49: ...ading towards the waypoint CHG 5 When heading towards the waypoint the autopilot utilizes either the XTE from the GPS Chartplotter to maintain track or a layline calculated by the autopilot The calculated layline applies when the Cross Track Error XTE from the external navigator is larger than 0 15 nm 8 RACING If Wind setup is set to RACING in the Installation Dockside menu a more advanced steerin...

Page 50: ...will allow transfer of command and make it active 2 23 Lock function The LOCK function is a safety feature in the AP25 system It will disable all control units including the FU25 Follow up lever except for a single user selected control unit location When the lock function is in use no transfer of command can take place only the active control unit stays in command To enable the lock function make...

Page 51: ...lowing actions The active control unit unlocks the other ones and makes them inactive by another double press on the STBY button It also displays the icon before it returns to the normal active state The system is switched OFF by any control unit press STBY for 2 3 seconds ...

Page 52: ...se knob is used in the User Set up menu an icon will alternate with the mode index to tell that no course changes can be made unless you press the mode button The user set up menu times out 30 seconds after the last operation in the menu STANDBY Mode Backlight The backlight of the display and buttons may be adjusted to 10 levels 10 brightest The setting is stored when the system is turned off Adju...

Page 53: ...ed Pressing the NAV WIND button will then initiate the WIND mode The autopilot will automatically select between apparent and true wind steering True wind steering is used when running When the boat is running it will also be surfing on the waves This may lead to significant changes in boat speed hence changes in apparent wind angle Steering to apparent wind is therefore used only when beating or ...

Page 54: ...ferred to sail to the true wind Thruster only available if a thruster is connected as displayed by the thruster icon By this parameter the thruster is turned on and off When the thruster is turned on both thruster and rudder are used for steering If the boat speed exceeds 6 knots the thruster steering is automatically disabled Reset trip The trip log is reset by rotating the course knob User setup...

Page 55: ...lay will read DONE Press the mode button to leave the User setup Manual source select Step through the list of sources using the PORT or STBD button Select wanted source by rotating the course knob indicates that no source supplying the data is available Notes 1 Simrad products will be identified by the product name provided the data is available on SimNet If data is provided via an NMEA0183 port ...

Page 56: ...urce Water Speed Select the source for water speed normally the same as the source providing Log data Water temperature Select the source for water temperature normally the same as the source providing depth data DisLog Select the Log source Depth Select the source for depth data Depth source information Set shallow water Use the course knob to set the shallow water alarm limit Range 0 100 0 m 0 3...

Page 57: ...URN DODGE button U turn is always available Step through the list of patterns using the PORT or STBD button Select the wanted pattern by rotating the course knob to fill the squares Available patterns are U turn C turn Spiral Zigzag Square Lazy S Depth contour Instrument Select Select the instrument pages s to be available under the INFO SETUP button Step through the list of instruments pages by u...

Page 58: ...y improve the performance of the autopilot The Response control allows you to make this fine tuning It can be set to seven levels Level 3 default has the values of Rudder and Counter Rudder parameters set by the Autotune function If no Autotune is made not recommended the level 3 values are the factory default values A low response level reduces the rudder activity and provides a more loose steeri...

Page 59: ... to 30 in 1 increments Default 5 Seastate filter OFF Seastate filter is disabled AUTO Automatically reduces rudder activity and autopilot sensitivity in rough weather by an adaptive process default MANUAL Manual yaw band adjust 1 10 10 6 The manual setting determines the number of degrees the vessel may deviate from the set course before any command is given to the rudder The AUTO setting is recom...

Page 60: ...enu for WIND mode is the same as for NAV mode In addition you have Wind response If the difference between the set wind angle and the actual wind angle is too big the Wind response can be increased to reduce the deviation Note First make sure that the course keeping is acceptable i e the difference between the Course To Steer CTS and the actual heading is at a minimum If the actual wind angle is S...

Page 61: ...ion Dockside menu see page 106 The Quick setup menu is activated by a quick double press on the NAV WIND button Step through the menu by using the PORT or STBD button Select by rotating the course knob A filled square On VMG optimizing RACING The VMG to wind parameter can only be enabled or disabled when Wind setup is set to RACING It is disabled in the NORMAL sub mode When enabled the VMG optimiz...

Page 62: ... the mode index when layline steering is active Range Enabled Disabled Default Enabled 2 26 INFO menu A number of instrument pages are available under each mode screen if the required NMEA 0183 sentences are provided see paragraph 8 1 or the information is available on SimNet page 131 The INFO menu is accessed by a single press on the INFO SETUP button Left hand side of the screen will show the fo...

Page 63: ...on or using the course knob The right hand side of the display will show the following instrument screens If you prefer not to have all the instrument pages available in the INFO menu you may remove pages under the User setup 2 menu See page 55 Return to last instrument screen by a simple press on the INFO button ...

Page 64: ...n be made unless you press a mode key The icon will time out after 3 5 seconds and be replaced by the mode index Note Whenever the INFO menu is active and the mode index is present operating the PORT and STBD button or the course knob will immediately make the main display reappear INFO menu flowchart 12 6 3 9 1 2 4 5 7 8 10 11 12 6 3 9 1 2 4 5 7 8 10 11 3 5 sec time out 3 5 sec time out Toggle ...

Page 65: ...495F 63 INFO menu and Main Screen active unit 12 6 3 9 1 2 4 5 7 8 10 11 3 5 sec time out Main screen INFO menu INFO menu and Main Screen inactive or locked unit Next INFO page Previous INFO page Last shown INFO page ...

Page 66: ...Simrad AP25 Autopilot 64 20221495F This page is intentionally left blank ...

Page 67: ...n of the system refer to the check list below 3 2 Installation checklist 1 Determine the system configuration you are installing Figure 3 1 2 Perform the hardware installation Page 67 3 Connect SimNet devices to SimNet page 83 4 Connect NMEA2000 devices page 86 5 Connect NMEA 0183 devices inputs and outputs page 89 6 Perform Set up Section 4 page 95 7 Perform dockside autopilot tests refer to Oper...

Page 68: ...Rate Compass with 15 m 49 cable attached RF300 Feedback unit with 10 m 33 cable attached and transmission rod Appropriate drive unit for the installation unless the AP25 is going to operate an existing drive unit or solenoids Optional equipment that may have been ordered for the installation 3 4 Determine system configuration It is important to become familiar with the configuration of the system ...

Page 69: ...chnology your autopilot system must be using a Simrad rate compass for heading information 3 5 AP25 System Layout STBY PW R AUTO SP EED SETU P NAV TUR N STBY INSTR MENU NAV AU TO PW R SPE ED SETU P TURN AUTO SE TUP MENU INSTR SIMRAD R3000X STBY AU TO SPEE D NAV PWR STBY TU RN Figure 3 1 AP25 system layout with options 3 6 RF300 Rudder feedback installation The RF300 Rudder feedback unit mounts clo...

Page 70: ...nt at the rudder tiller arm Turn the helm wheel to set the rudder tiller arm to approximate centre position Rotate the RF300 transmitter lever until it is set to centre position Use the alignment mark to line up the transmitter lever to be opposite the cable entry into the feedback Note Carefully observe the alignment marks A rudder feedback alarm may be the result if the alignment instructions as...

Page 71: ...o full stbd rudder to verify that the mechanical linkage to the RF300 is not obstructed AUTOPILOT COMPUTER MAIN PCB Rudder Feedb NON POLARIZED COLOR INDEPENDENT RF RF Figure 3 3 RF300 connection 3 7 Autopilot computer installation The autopilot computer is designed to operate in a location that provides ambient temperatures below 55 C 130 F Note The autopilot computer units AC10 AC20 and AC40 are ...

Page 72: ... to 10 m 32 ft 8 6 10 4 Up to 16 m 52 ft 6 10 8 6 3 9 Grounding and RFI The autopilot system has excellent RFI protection and all units use the autopilot computer as a common ground shield connection The autopilot computer should therefore have a proper ground connection to the hull bonding system Robnet2 cables and other signal cables compass feedback NMEA should not be run in parallel with other...

Page 73: ...Installation 20221495F 71 Power Board terminals Main Board terminals Note The Mains input is not polarity protected on AC40 Ground terminal TB8 TB9 and TB10 are not on the AC10 Power Board ...

Page 74: ... reference and observe the notes on next page HYDRAULIC PUMPS RAM CAPACITY MODEL MOTOR VOLTS AUTOPILOT COMPUTER MIN cm3 cu in MAX cm3 cu in FLOW RATE AT 10 bar cm3 min cu in min MAX PRESSURE bar PWR CONSUM PTION RPU80 12V AC10 80 4 9 250 15 2 800 49 50 2 5 6 A RPU160 12V AC20 160 9 8 550 33 5 1600 98 60 3 10 A RPU300 12V AC40 290 17 7 960 58 5 3000 183 60 5 25 A RPU300 24V AC20 290 17 7 960 58 5 3...

Page 75: ... HLD2000D 24V AC20 200 7 9 1050 2310 1800 15900 11 3 10 A 175 6 9 HLD2000LD 24V AC20 340 13 4 1050 2310 3180 28000 19 3 10 A 298 11 7 MSD50 12V AC10 190 7 5 60 132 15 0 8 2 A Steering gear interface Connects to quadrant or tiller For stern drive power assisted steering only 1 The motor voltage is stepped down by the autopilot computer when operating from 24V or 32V mains 2 The specified autopilot ...

Page 76: ...V 12 24 32V 24 32V 12V to clutch 24V to clutch Proportional rate to motor Chain sprockets MRD150 USA only AC20 12V 32V 12 24V 32V 12V to clutch 32V to clutch Proportional rate to motor Chain sprocket Note When selecting DRIVE UNIT voltage in the Installation setup the clutch bypass voltage is always set equal to the motor voltage If a retrofit installation where e g a HLD2000 has a 12V motor and a...

Page 77: ...ve Engage Sol Motor Sol Motor TB7 HYDRAULIC LINEAR DRIVE Single pole clutch bypass switch Figure 3 6 Connecting a hydraulic linear drive Connecting a solenoid valve AUTOPILOT COMPUTER POWER PCB TB1 TB2 TB3 TB4 TB5 TB6 Sol Motor Sol Motor Sol gnd TB7 Sol Sol Sol gnd SOLENOID VALVE Figure 3 7 Connecting a solenoid valve ...

Page 78: ...cording to supplied template Use the supplied gasket P N 22084693 between the panel and the unit Use the supplied 19 mm screws to fasten the control unit to the panel Apply the front panel corners Connect the Robnet2 cable s to the control unit connector s Alternative panel mounting This way of mounting may be simpler but will lift the unit from the panel surface When installed adjacent to Simrad ...

Page 79: ...ng angle Connect the Robnet2 cable s to the control unit connector s See note on page 78 Figure 3 8 AP25 Bracket mounting 3 12 ROBNET2 network cables As Robnet2 units have two Robnet2 connectors blue they can be used as jack points for further expansion of the system There are no dedicated in or out connectors You may connect the cables to any available Robnet2 connector blue on the specific unit ...

Page 80: ...ONTROL UNIT COMPASS AUTOPILOT COMPUTER JP27 Figure 3 9 Interconnecting Robnet2 units A Robnet2 T joiner P N 24005662 is available to make the Robnet2 interconnection more simple by reducing the number of cables or extend cables when necessary See table for pin configuration and colour code of the network cable Cable pairs Color code Signal Pink V SYSTEM 1 pair Grey V SYSTEM Brown Bus 2 pair White ...

Page 81: ... Simrad AP27 is part of the system use the JP27 Jack Point and connect as shown on Figure 3 9 Alternatively cut the connector from the cable and connect the wires in parallel with the cable shown on Figure 3 11 using the same color code Note The AP27 cable contains an air breathing tube Check that the tube is open after you have cut the cable 3 13 RC36 Rate Compass installation Figure 3 12 RC36 mo...

Page 82: ...rrection is required When mounting RC36 on a bulkhead alongship a 90 or 90 correction is needed dependent on whether it is port or starboard bulkhead Note Offset correction is performed after the calibration see paragraph 4 7 Find a location that provides a solid mounting place free from vibration and as close to the vessel s centre of roll and pitch as possible i e close to the water line It shou...

Page 83: ...able shown in Figure 3 11 3 14 RFC35 Fluxgate Compass installation Optional back up compass The RFC35 Fluxgate Compass is a magnetic sensor which means you have to take the same precautions at installation as for the standard RC36 see previous page Connect the RFC35 to the autopilot computer as per Figure 3 14 RFC35 FLUXGATE COMPASS AUTOPILOT COMPUTER MAIN PCB Heading Sensor NON POLARIZED COLOR IN...

Page 84: ...000X REMOTE CONTROL Lamp Yel POWER PCB Figure 3 15 R3000X connection 3 16 JS10 Joystick Refer to separate installation instructions supplied with the JS10 Joystick 3 17 S35 NFU Lever installation The unit is mounted to a bulkhead or panel by two screws from the front The cable is connected to the autopilot computer according to Figure 3 16 Interchange the Port and Stbd wires to the screw terminals...

Page 85: ... 1 Use SimNet 2 Use SimNet via AT10 Universal SimNet NMEA Converter 3 Connect to a NMEA2000 network via the adapter drop cable part no 24005729 4 The AC10 has a single NMEA0183 input output port 5 The AC20 and AC40 have two NMEA0183 input output ports and Clock Data interface to Simrad and Furuno radars The NMEA0183 output may also drive Simrad IS15 instruments directly The different connecting di...

Page 86: ...ccess to the network and can be replaced with a new product or the new product can be connected via a drop cable SimNet power and termination The following rules should be observed when installing SimNet 1 It must have a separate 12VDC power from the battery bus or the circuit breaker board to avoid interference 2 It must not be connected to the supply voltage terminals of the Autopilot Computer i...

Page 87: ... UPPER INFO INFO LOWER SIMRAD IS12 COMBI Figure 3 17 SimNet network small system TIMER ALARM LIGHT TIMER ALARM INFO UPPER SIMRAD IS12 LOWER INFO LIGHT COMBI PAGE UPPER INFO SIMRAD IS12 INFO LOWER LIGHT COMBI LOWER INFO UPPER SIMRAD IS12 INFO DATA PW R AUTO SE TUP INFO WIND NAV STBY 10 DO DG E TURN 1 1 10 Figure 3 18 SimNet network small system with Wind transducer The wind transducer has a built i...

Page 88: ...GHT TIMER ALARM INFO UPPER SIM RAD IS12 LOWER INFO LIGHT UPPER ALARM TIMER INFO SIMRAD IS12 INFO LOWER COMBI Figure 3 19 SimNet network medium system Notes 1 Maximum total length of SimNet cable is 40 m 130 ft excluding the 30 m 99 ft of masthead cable 2 The wind transducer has a built in terminator 3 If there is no wind transducer connected a SimNet terminator must be connected instead ...

Page 89: ... DG E 10 10 1 1 SIM RAD IS12 TIMER ALARM LIGHT LOWER INFO INFO UPPER UPPER SIM RAD IS12 LIGHT ALARM TIMER LOWER INFO INFO LIGHT SIMRAD IS12 PAGE INFO UPPER INFO LOWER COMBI COMBI DATA Figure 3 20 Robnet2 and SimNet network The wind transducer has a built in terminator ...

Page 90: ...2 It is not necessary to connect all autopilot control units to SimNet for data sharing However if you want to have full redundancy and SimNet control e g select sources you have to connect the actual unit to SimNet 3 AT15 is a NMEA0183 SimNet converter for the IS15 Instrument system IS15 makes no load on SimNet 4 AT44 is a SimNet interface that is supplied with CX44 and CX54 products ...

Page 91: ...A connection Caution If an IS15 Instrument is powered from TB14 Vbat and Gnd please observe that Vbat output voltage will follow mains supply voltage IS15 Compass can only operate on 12V 3 21 Double NMEA input output RX1 RX1 MAIN PCB NMEA Input 1 Vbat Sys sel Gnd TX1 TX1 NMEA Output1 POWER PCB TB8 TB9 TB10 RX2 RX2 NMEA Input2 TX2 TX2 NMEA Output2 GPS or CHARTPLOTTER AC20 AC40 AUTOPILOT COMPUTER TB...

Page 92: ...RSA Rudder angle 3 23 NMEA Compass input POWER PCB TB8 TB9 TB10 RX2 RX2 NMEA Input2 AC20 AC40 AUTOPILOT COMPUTER NMEA COMPASS Figure 3 24 NMEA compass connection Notes 1 The compass connected to the NMEA port RX2 will not be calibrated from the autopilot 2 The AC10 Autopilot Computer has no port for NMEA compass input Use the AT10 Universal Converter P N 24005936 according to the drawing below NME...

Page 93: ...interface item page 88 146 NMEA In This connection will provide speed depth and temperature input to the autopilot If an IS15 Wind Transducer is connected to the system wind information will also be transferred to the autopilot The connection is made by a Roblink cable from the instrument NMEA socket 4 to the Autopilot Computer Main Board Terminal RX1 and RX1 See Figure 3 26 NMEA Out This will pro...

Page 94: ...21495F If IS15 Expander is used in the instrument system the NMEA connections are made to this unit See Figure 3 27 Figure 3 26 IS15 Instruments Autopilot computer connection Figure 3 27 IS15 Expander Autopilot computer connection ...

Page 95: ...g bracket which secures the LF3000 to the cylinder of the existing outboard drive unit The 8 5 m 28 cable is terminated in the LFI3000 Mk2 Linear Feedback Interface according to Figure 3 30 The mounting hardware provided is made to interface with Teleflex HC5340 cylinders and Hynautic K7 and K10 Cylinders The hardware may not be appropriate for other systems Center the drives Loosely secure the LF...

Page 96: ... either side check that the rod does not bind up in any direction Make a drip nose c on the cable to the unit and clamp the cable to allow full engine movement to port and starboard LF3000 BRACKET CYLINDER END VIEW RETAINER PLATE LOCK NUT FLAT WASHERS 2 LF3000 LINEAR FEEDBACK ALLEN HEX SCREWS 2 FLAT WASHERS 2 MOUNTING BRACKET CLAMPS 2 HALVES Figure 3 29 LF3000 mounting Electrical connection AUTOPI...

Page 97: ...me you turn on your autopilot by pressing the STBY PWR button Notes 1 You can postpone the automatic interface by going directly to the Installation Dockside setup Any time the STBY button is pressed the interface prompt will reappear until the automatic interface has been performed 2 Be aware that you will have no compass reading before the automatic interface is completed Continue by pressing th...

Page 98: ...tegories Language Selection of language used for display information Dockside Items to be set prior to sea trials These will vary depending on the type of feedback the autopilot will use page 67 100 109 Interface Setting the format of the clock data output for radars connected to the Autopilot Computer Display units Setting the units to be displayed for wind speed water temperature and depth Sea t...

Page 99: ... item is selected and changed The Installation Settings are global except for display units and language enabling settings to be distributed to all control units in the system The Seatrial settings are dependent on successful completion of the Dockside settings 4 3 Installation Menu The Installation Menu is presented on the autopilot display by pressing and holding the INFO SETUP button for 5 seco...

Page 100: ...gh all items in the installation menu by continuing pressing the STBD button Language selection To access the language selection in the Installation Menu confirme Yes by turning the course knob clockwise The AP25 can present the display text in eight different languages English Deutsch Francais Espanol Italiano Nederlands Svenska and Norsk Turn the course knob to select the language you wish to us...

Page 101: ... SECONDS RUDDER ZERO ADJUST MINIMUM RUDDER COMPASS CALIBRATION COMPASS OFFSET THRUSTER DIRECTION WIND OFFSET WIND DAMPING DEPTH OFFSET AUTOMATIC TUNING TRANSITION SPEED INIT NAV NAV CHANGE LIMIT TURN CCW CONFIRMED SYSTEM DATA STEERING COMPASS RUDDER INPUT VOLTAGE DRIVE OUT CLUTCH BYPASS RADAR LOOPBACK NMEA1 LOOPBACK NMEA2 NMEA TEST SIMNET NMEA DATA XTE BWW BPW POS LAT POS LON COG SOG WIND SPEED DE...

Page 102: ...o accessible in the Dockside Menu Wind setup Min wind angle If Wind setup is set to RACING the following items are added to the menu Separate port stbd wind angle limits Tack angle Tack time Wind shift limit Select STANDBY mode and enter the Installation Menu as previously described Select Dockside by pressing STBD button and confirm by rotating the course knob clockwise Boat type Actual boat type...

Page 103: ... circuits in the autopilot computer are activated During the Rudder Test the AP25 system will automatically detect whether the drive unit is a reversible motor or a solenoid is operated To change the voltage selection rotate the course knob Note The drive unit voltage setting does not apply when operating solenoids on a continuous running pump steering gear Hence the output voltage to the solenoid...

Page 104: ...ce to the next step by pressing the STBD button Manually turn the helm to port until the rudder stops at maximum port rudder Adjust the displayed angle the same way as for starboard rudder Note Many boats have 45 90 H O H O rudder angle as standard So if you are not making any adjustment to the display readout i e not turning the course knob the AP25 will set a default value of 45 to each side How...

Page 105: ...tomatic rudder test by turning the course knob clockwise Note The automatic rudder test can be aborted any time by pressing the STBY button The AP25 will after a few seconds issue a series of PORT and STBD rudder commands to automatically verify correct rudder direction It detects minimum power to drive the rudder and then reduces the rudder speed if it exceeds the maximum recommended speed 8 sec ...

Page 106: ...the Automatic rudder test fails refer to Alarms beginning on page 139 Test of LF3000 LFI3000 Mk2 feedback 1 Align engines to centre position zero rudder 2 Rev engines to 3 4000 rev min and observe the rudder angle indicator on the autopilot a 2 change in the reading should be accepted 3 If the rudder angle exceeds 2 connect the screen on the TB1 cable to the centre block terminal and repeat item 2...

Page 107: ...BY or DODGE modes Auto This setting is implemented for future use Always use the Bypass clutch default setting Rudder Deadband The rudder deadband function is adaptive and is continuously operative It prevents the rudder from hunting and the adaptive function optimizes the deadband to the speed of the boat and the pressure on the rudder If the auto setting does not perform properly due to high ine...

Page 108: ...MAL and RACING The RACING level will give access to more wind setup items to achieve optimal performance when sailing Additional setup items also become available in the User setup and the Quick setup menus Range NORMAL and RACING Default NORMAL Minimum wind angle NORMAL The Minimum wind angle is the minimum apparent wind angle that will keep the sails well shaped and give an acceptable thrust Thi...

Page 109: ...VMG available parameter in the Quick setup menu when Wind setup is set to RACING Range 15 90 Default 30 Tack angle RACING The autopilot can also tack in AUTO mode The set tack angle replaces a similar change of the set course using the course knob Range 50 150 Default 100 Tack time RACING When performing a tack in WIND mode the rate of turn can be limited This will give single handed sailors time ...

Page 110: ...ind shift angle measured from the last time the wind angle was set on the autopilot If this wind shift exceeds the Wind shift limit a wind shift alarm will be activated The wind shift monitoring can be turned off by setting the Wind shift limit to OFF Note A wind shift reading is also presented in the Wind shift display This is the change of wind direction measured from the last time the autopilot...

Page 111: ...re is no feedback unit connected at first time turn on or at turn on after a Master Reset has been performed Page 132 At first time turn on the autopilot will after approx 5 seconds sound and display a feedback failure alarm Press the STBY button to silence the alarm and follow the instructions in the display to initiate the Setup as described on page 95 Press and hold the INFO SETUP button to ent...

Page 112: ...udder angle observed at the hard over position Use the course knob to enter the starboard and port rudder angle Rudder test Activate the automatic rudder test by turning the course knob clockwise While observing the rudder position use the wheel to center the rudder Confirm by turning the course knob clockwise The next step is to enter the correct direction of the rudder movement Press and hold th...

Page 113: ...tarboard turn the course knob clockwise to confirm While observing the rudder use the wheel to turn the rudder hard over to starboard position Turn the wheel carefully a little to port just to release the hydraulic pressure When ready confirm by turning the course knob clockwise Press and hold the TURN DODGE button Release the button when the rudder reaches the port hard over position ...

Page 114: ... in the rudder angle display is not showing a rudder angle only the direction of the rudder movement The Rudder test is verified by the display showing Motor OK or Failed If Failed is given check for correct electrical connection When test is finished the display will read Drive Engage See page 105 ...

Page 115: ...tup items Use the course knob to select the connected type of radar Note This setting is not available in the AC10 Autopilot Computer 4 6 Display units Select Display units by pressing STBD button and confirm by rotating the course knob clock wise The setup is local to each control unit This screen gives access to the display unit set up of the Wind Speed Sea temperature and Depth Use the STBD but...

Page 116: ... Minimum rudder Compass calibration To automatically compensate for onboard magnetic interference Compass Offset To compensate for a fixed offset A error in the final compass heading readout Wind Offset To compensate for a fixed mechanical offset of the Wind vane Wind Damping To avoid flickering on the wind display Depth offset To compensate for the distance between the depth transducer and the su...

Page 117: ...ead directly into the wind If the boat has twin engines synchronize the engine RPM s Set the trim tabs and stabilizers to have no effect on the boats heading Steer the boat manually on a steady course Confirm the rudder ZERO position by rotating the course knob clockwise Press STBD to proceed to next menu item Minimum rudder Some vessels may have a tendency of not responding to small rudder comman...

Page 118: ...net2 and the Autopilot Computer terminals HS Notes 1 The RC36 Rate Compass that comes with the autopilot as standard will store the calibration and off set data in its own memory 2 Compass calibration for a second compass connected to the HS terminal will be stored in the Autopilot Computer memory 3 Calibration is made on the compass that is active for the autopilot The active compass is the one t...

Page 119: ... normally have a deviation when compared with the actual direction of the earth s magnetic field This is caused by interference from the boat s local magnetic field The deviation will be at a minimum if the compass is placed as far as possible from any magnetic object on board On the other hand you may have to compromise with other requirements for the installation of the compass page 79 During th...

Page 120: ...e a compensated compass or a bearing If the reading has a fixed offset proceed to next menu item by pressing STBD button or return to STANDBY mode by pressing the STBY button Note Offset correction is always performed after the calibration If you use COG as a reference for the offset remember it has to be a magnetic reading The compass OFFSET feature allows you to correct for a fixed heading offse...

Page 121: ...roceed to the next menu item by pressing the STBD button or return to Standby mode by pressing the STBY button Set Thrust Direction Only applicable if a thruster is connected Rotate the course knob clockwise to activate the Set thrust direction setting Rotate the course knob CW and verify that the vessel turns to starboard The thruster stops after 10 seconds or when the STBD button is pressed If t...

Page 122: ...ter AWF in the Autopilot Computer The inputs to the AWF are heading boat speed apparent wind angle and wind speed Verify that these inputs are available in User Setup2 Source Select Heading sensors speed sensors and wind sensors have variable performance The measured wind angle can be very erratic when the boat is rolling heavily In such conditions the AWF gives a better result when the calculatio...

Page 123: ...er surface to the bottom you have to set the depth offset according to the vertical distance between the surface and the transducer i e positive value To read the depth from the keel to the bottom you have to set the depth offset according to the vertical distance between the transducer and the keel i e negative value Automatic tuning Automatic tuning is a feature that automatically sets the two m...

Page 124: ...the Automatic tuning has been completed the rudder must be controlled manually as the autopilot has returned to STBY mode Caution The Automatic tuning function will take control of the boat and perform a number of S turns It must always be performed in open waters at a safe distance from other traffic The Automatic tuning function may take from 1 to 2 minutes to complete To stop the Automatic tuni...

Page 125: ...following priority 1 Speed through water from the speed log source 2 Speed Over Ground SOG from the GPS Chartplotter If no speed data is available manual speed selection is required See also chapters 2 9 and 2 10 Rotate the course dial clockwise until the transition speed is set to the desired value in knots Range OFF 30 knots Default 5 knots Proceed to next menu item by pressing STBD button Init ...

Page 126: ...sible course keeping page 56 2 If the autopilot performance is found satisfactory when the above has been completed skip the following rudder play compensation procedure The rudder play compensation procedure is only necessary if the steering gear is sloppy Using this procedure when not required may interfere with the steering algorithms and result in poorer steering instead of providing improveme...

Page 127: ...of the bar while the autopilot is working one 1 off course Increase the rudder play value in steps by turning the course knob and take time to observe the result of each step before you make further changes The best setting is when the number of arrows is at a minimum on each side of the bar This adjustment has to be made at cruising speed LO setting and once again at slow speed HI setting Note In...

Page 128: ...at Manual parameter adjust Boat type Own boat Displayed parameter Displacem Sail Planing Outboard Automatic tuning Manual Use course knob to adjust parameters LOw Rudder LO 0 35 0 20 Cont Rudder LO 1 00 1 00 Autotrim LO 40 sec 40 sec Rudder Lim LO 20 20 HIgh Rudder HI 0 50 0 30 Cont Rudder HI 1 40 1 40 Autotrim HI 40 sec 40 sec Use PORT and STBD buttons to step through parameters Rudder Lim HI 20 ...

Page 129: ... 115 Counter Rudder is the parameter that counteracts the effect of the boats turn rate and inertia For a short time period it is superimposed on the proportional rudder response as provided by the heading error It may sometimes appear as if it tends to make the rudder move to the wrong side counter rudder The best way of checking the value of the Counter Rudder setting is when making turns The fi...

Page 130: ... the Parameter menu by pressing STBD button to proceed to the Service menu or press STBY to return to normal AP25 operation 4 9 Service Menu Select STANDBY mode and then enter the Installation Menu by pressing and holding the INFO SETUP button for 5 seconds Select SERVICE by pressing the STBD button and confirm by rotating the course knob clockwise System data and NMEA data are test functions to a...

Page 131: ...eded to drive the unit in percent of full 100 to get satisfactory rudder speed Clutch bypass Verifies if a clutch or bypass valve has been activated when performing the rudder test SimNet and NMEA Data Screen Select the screen by pressing the STBD button and confirm by rotating the course knob clockwise The menu provides you with status information about the different SimNet and or NMEA messages u...

Page 132: ...s transmitting appropriate data Perform a NMEA Port Test hardware as per below Note The WIND reading is the apparent wind from port L or starboard R The SPEED reading is the speed through water NMEA signal monitor Near the NMEA terminals in the Autopilot Computer you will find a green monitor LED marked RX A flickering LED indicates that a NMEA signal is received It does not however qualify the co...

Page 133: ...oup Source selection will be common for the products in the group synchronized STAND ALONE Source selection for the autopilot will not be transferred to other products in the Simrad Group no synchronization Backlight Illumination Set backlight to synchronize with one of the illumination banks 1 3 available on the SimNet or to STAND ALONE for individual control of the autopilot illumination Instanc...

Page 134: ... Master Reset The Master Reset needs a double confirmation to prevent an accidental reset To perform a Master Reset rotate the course knob clockwise and observe the display then rotate the course knob counter clockwise The display will then read Master Reset confirmed Unless you have made a Master Reset exit the Installation Menu by pressing STBY to return to normal AP25 operation In the event a M...

Page 135: ...parent wind angle Also try the WINDN av mode optimized VMG and WCV when sailing tacking to a waypoint If the rudder response feels aggressive during the sea trial you may want to reduce the rudder speed to get a smoother steering Alternatively on a sailboat you may want to have a higher rudder speed when running The motor Drive out page 104 can be set with this in mind Never adjust in more than 10...

Page 136: ...ntroller if connected Changing course by rotary knob and buttons Stepping through the User Set up Menu learning how to and why to change the settings How to select alternative sources for heading compass navigation GPS chart plotter speed depth etc if available Understand the difference between NAV mode and NoDrift mode and their data sources Nav Pos Locating compasses and knowing to keep magnetic...

Page 137: ... head and cover with Vaseline or WD40 If the Control unit is not removed from the boat it should be covered with the white protection cover 5 2 Autopilot Computer No special maintenance is required It is advisable however at the start of each season to make a visual inspection of the internal and check all connections 5 3 Rudder Feedback Make a visual inspection at 2 3 month intervals and at the s...

Page 138: ...o slots in the corners of the socket Squeeze the tool and pull out the EPROM The identification tag indicates Name of unit Part number Software version Caution When inserting a new EPROM make sure the cut off corner matches with the one in the socket Press it gently into the socket EPROM for AC10 AC20 and AC40 Autopilot Computers P N 22088462 After change of EPROM perform a master reset as describ...

Page 139: ...following from Simrad Programming kit P N 22088595 Instructions are included Figure 5 2 Part of AP25 PCB Remove the cables and unscrew the six screws that secure the back cover Apply a firm pull with your fingers to pull the back cover loose from the connector pins Then you have access to the software download connector Software download connector ...

Page 140: ...Simrad AP25 Autopilot 138 20221495F This page is intentionally left blank ...

Page 141: ...the problem yourself You may also consult your nearest Simrad dealer for assistance if required Perform any repair action in the listed sequence Notes 1 Compass difference Vessel off course and Rudder limit warnings are automatically reset when the error is rectified 2 in a display indicates that data is missing 6 1 Alarms Display readout Probable fault Recommended action System failure Alarms The...

Page 142: ...heck connections 4 Replace compass PCB Note Do not cut cables There are screw terminals inside Rudder feedback failure not applicable for Virtual feedback installations Rudder feedback signal missing or erratic 1 Check all connections 2 Check the alignment as per the installation instructions 3 Replace rudder feedback unit Rudder response failure No response to rudder command 1 Check all connectio...

Page 143: ... the solenoids continuously running pump b Faulty Power PCB in autopilot computer a Check the connections b Replace the Autopilot Computer Power PCB Rudder test not completed within 2 min a Poor connections to the drive unit b Faulty Main PCB in the Autopilot Computer c Faulty Power PCB in the Autopilot Computer a Check connections b Replace the Main PCB c Check the Power PCB for traces of burned ...

Page 144: ...r PCB if Mains voltage is 12V Bypass clutch overload Clutch bypass current exceeds 2 5 Amps overload or short circuit 1 Check actual current 2 Check voltage marking on coil 3 Check coil resistance through connecting wires Bypass clutch disengaged Poor connection or open circuit in bypass clutch coil 1 Check connections 2 Replace bypass clutch if open 3 Perform new Rudder test ACXX high temp Excess...

Page 145: ... Robnet2 connectors and cable 2 Replace Autopilot Computer Main PCB Low supply voltage Mains voltage less than 9 Volts 1 Verify in the System Data Menu 2 Switch autopilot off charge batteries 3 Check repair battery charger High supply voltage AC20 AC40 Mains exceeds 44 V AC10 Mains exceeds 29 V 1 Verify in the System Data Menu 2 Switch the autopilot off 3 Check repair battery charger ...

Page 146: ...Locking washer for left and right bracket 44163160 Cradle locking washer 22087829 AP25 Front Housing Ass y 22087894 Back cover with gasket 22087738 AP25 Board Ass y 22084750 Protection Cover 22088199 AP25 Software Autopilot Computers 22088108 AC10 Autopilot Computer 22088116 AC20 Autopilot Computer 22088124 AC40 Autopilot Computer 22081707 AC20 Installation accessories 22081855 AC10 Installation a...

Page 147: ...140770 Screw 30x9 4 22081376 Plug 2 22081178 RFC35 PCB Ass y RC36 Rate compass 22086920 RC36 Rate Compass 22081442 Installation Accessories Consisting of 20104972 Mounting plate 2 44140762 Screw 3 5x25 2 44140770 Screw 30x9 4 22081376 Plug 2 22086938 RC36 PCB Ass y 24005647 Robnet2 Cable 15 m with Plug RF300 Rudder Feedback Unit 20193744 RF300 Rudder Feedback 20193470 RF300 transmission lever 2019...

Page 148: ...ble 2 m 6 6 24005845 SimNet cable 5 m 16 6 24005852 SimNet cable10 m 33 24005860 SimNet T joiner 24005878 SimNet cable gland 24005886 SimNet protection plug 24005894 SimNet termination plug 24005902 2 m 6 6 SimNet power w termination 24005910 2 m 6 6 SimNet power w o termination 24005936 AT10 Universal NMEA0183 converter 24005944 AT15 Active Tee w connector IS15 24005928 SimNet cable protection ca...

Page 149: ...45 1993 A1 1993 Automatic Steering control Rudder Drive Proportional rate or solenoid on off Parameter selection Automatic with manual override Sea state control Adaptive sea state filter or manual Language selection English Norwegian French Spanish German Italian Dutch Swedish Electronic Interface Navigation interface Standard NMEA 0183 NMEA inp outp ports Max 6 see autopilot computers NMEA input...

Page 150: ...low up Follow up Auto Nav Wind Special Turn modes Dodging Tacking Gybing U Turn C Turn Spiral Zigzag Square Lazy S Depth contour Instrument screen interface Instrument screen NMEA0183 messages and SimNet MAIN HDG RUDDER ROBNET2 PROPRIETARY NMEA HDT and HTG SimNet SPEED DEPTH VHW DBT DPT SimNet APPARENT WIND MWV SimNet TRUE WIND WIND DIRECT MWV VTG RMC SimNet MOTORWAY APB RMB VTG GGA RMC SimNet POS...

Page 151: ...klit LCD matrix display Resolution 160 x 128 pixels Colour Black Illumination Adjustable in 10 steps Environmental Protection IP56 from front IP43 from back Safe distance to compass 0 5 m 1 6 ft Temperature Operating 0 to 55 C 32 to 130 F Storage 30 to 70 C 22 to 158 F Figure 8 1 AP25 Control Unit dimensions Mounting bracket is optional equipment ...

Page 152: ...ive AC10 6 A continuous 12 A for 5 sec AC20 10 A continuous 20 A for 5 sec AC40 20 A continuous 40 A for 5 sec Heading Sensor input Composite pulse width modulated Rudder feedback input Frequency signal 3400 Hz 20 Hz deg Rudder feedback units RF300 LF3000 NMEA input output ports AC10 1 one AC20 AC40 2 two External Alarm Open collector not AC10 Temperature range Operation 0 to 55 C 32 to 130 F Stor...

Page 153: ...Technical specifications 20221495F 151 Figure 8 2 AC10 AC20 Autopilot Computert Dimensions Figure 8 3 AC40 Autopilot Computer Dimensions ...

Page 154: ...activated by control head Gain compensation Automatically adjusted continuously Rate sensor stabilized heading output Accuracy 1 25 rms Repeatability 0 2 rms Roll Pitch 35 degrees Cable supplied 15 m TP shielded cable Temperature range Operation 0 to 55 C 32 to 130 F Storage 30 to 70 C 22 to 158 F Environmental Protection IP56 Mounting Deck or bulkhead Material White ABS Figure 8 4 RC36 Rate Compa...

Page 155: ...Temperature range Operation 0 to 55 C 32 to 130 F Storage 30 to 70 C 22 to 158 F Environmental Protection IP56 Mounting Deck or bulkhead Material Black ABS 8 6 RF300 Rudder Feedback Dimensions See Figure 8 5 and Figure 8 6 Weight 0 5 kg 1 1 lbs Material Arnite T06 200 PBT Environmental Protection IP56 Temperature range Operation 25 to 55 C 13 to 130 F Storage 30 to 70 C 22 to 158 F Mounting Horizo...

Page 156: ...4 20221495F Transmission link Stainless 350mm 13 8 with 2 ball joints Ball joint stud for rudder arm requires 4 2mm diameter hole and 5mm tap Figure 8 5 RF300 Rudder Feedback Dimensions Figure 8 6 Transmission link Dimensions ...

Page 157: ...ns 8 8 JS10 Joystick Figure 8 8 JS10 Joystick Dimensions Dimensions See Figure 8 8 Weight 0 5 kg 1 1 lbs Environmental Protection Joystick IP66 Terminals IP20 Safe distance to compass 0 15 m 0 5 ft Shock resistance according to MIL 202 B method 202 A 1 2 sinusoid 11 ms No damage or disassembling at 100 g Vibration resistance according to IEC 68 2 6 16 g with frequency range from 40 to 500 Hz and m...

Page 158: ...fe distance to compass 0 15 m 0 5 ft Temperature Operating 25 to 55 C 13 to 130 F Storage 30 to 70 C 22 to 158 F Cable 10 m 33 ft cable with three twisted pairs of wire run through a cable gland cable gland can alternatively be mounted on back cover see Figure 8 9 Max rudder command angle Equal to physical stop minus 2 Autopilot interface Via proprietary Robnet2 bus Accuracy 1 within 40 of mid pos...

Page 159: ...ull deflection Accuracy 2 of full scale deflection Heading Display Digital 0 to 359 Heading Resolution 1 Heading reference True or Magnetic North Heading Lock Course and direction to steer on digital display Course to Steer Settable on digital display Display Backlighting Green color with seven levels plus Off Display Backlighting Control Two independent lighting banks or individual settings bank ...

Page 160: ...work 50 Maximum cable length 120 m 400 Bit rate of the bus 250 Kbit second Maximum DC current through a single SimNet plug 5A SimNet power supply 12VDC Maximum drop cable length 6 m 20 Maximum total length of all drop cables accumulated 60 m 200 Environmental protection Cable and plug connector system IP66 Temperature 70 C 158 F ...

Page 161: ...st solid objects up to 50 mm eg accidental touch by hands 1 Protected against vertically falling drops of water eg condensation 2 Protection against solid objects up to 12 mm eg fingers 2 Protected against direct sprays of water up to 15 from the vertical 3 Protection against solid objects over 2 5 mm tools wires 3 Protected against sprays to 60 from the vertical 4 Protection against solid objects...

Page 162: ...th ref transducer 1 2 Transducer Keel Offset 1 Speed_Temp_Data Speed through water 1 1 2 Log distance and trip 1 Water temperature 1 Gps_Data Present position Lat Lon 1 4 1 2 COG T 1 COG M 1 Magnetic variation 1 5 SOG 1 1 Nav_Data To wp position 1 To wp ident Bearing wp wp T Bearing wp wp M 1 Bearing pos wp T Bearing pos wp M 1 Distance pos wp 1 XTE 1 Waypoint closure velocity 1 Steering_contr1 He...

Page 163: ... d d d d d d d d d d d d d d d d d d d d d d d d d d d d d d 3 d d d d x 2 3 d d d d x 1 d d d d x 6 4 3 2 x 2 3 d d d d x 2 1 3 x 6 5 1 3 2 4 d d d d x 3 2 1 d d d d x 3 2 1 d d d d x 4 2 1 3 d d d d x 4 2 1 3 d d d d x Only if Magnetic variation is present 2 1 3 d d d d x 3 1 2 d d d d x 1 d d d d x x x x x x x x x x x x x x x x x x x x 2 2 10 10 2 5 10 10 HDG out if magn sensor HDT out if true ...

Page 164: ... Data Water temperature Position Data Present position Lat Lon 1 2 1 COG 1 2 1 Magnetic variation 2 1 SOG 1 3 2 1 Navigation Data To wp position 1 To wp ident Bearing wp wp 1 Bearing pos wp 1 Distance pos wp 1 XTE 1 Waypoint closure velocity 1 Steering Data Heading steering cmd T M APXX Gateway x x x x x x x x Additional PGNs supported Simrad Propriatory 61184 Parameter Command 65480 Parameter Rep...

Page 165: ...d d d x d d d x d d d x d d d x In INFO views Depth Offset is displayed if x offset is present d d d x d x d d d x d d d x d d d x x d d d x 1 x d d d x 1 d d d x 1 d d d x 1 d d d x 1 d d d x 1 d d d x x x x x x Only transmitted if NMEA183 RC36 RFC35 is source Date of change 20 12 2005 Indata use AP16 AP25 AP26 Out Gateway ...

Page 166: ...aypoint Bearing angle of the line between the TO and the FROM waypoint calculated at the FROM waypoint for any two arbitrary waypoints COG Course Over Ground The actual direction of progress of a vessel between two points with respect to the surface of the earth The vessel s heading may differ from the course over ground due to the effects of wind tide currents GPS Global Positioning System This s...

Page 167: ...oduct ID A number suffix acronym or term that can identify a product Product name The name of a Simrad product known from sales and other literature Route A stored sequence of waypoints These waypoints will be listed in the order in which you desire to follow them SimNet Source Any product or device directly connected to SimNet or NMEA2000 or interfaced to SimNet via NMEA0183 or Robnet2 Simrad Gro...

Page 168: ...cated on the surface of the earth Normally this point will be identified by Lat Lon coordinates although in some systems it may be shown by T D s XTE Cross Track Error Used to identify a vessels position relative to a straight line drawn between two waypoints The amount the vessel is off to the left or to the right of this line is known as the track It is normally displayed in thousands of a nauti...

Page 169: ...unter rudder 56 setting 127 course adjust 55 course detector interface specifications 152 course knob icon 50 course over ground 47 course to steer 37 58 cross track error 37 47 166 C turn 25 55 D depth offset 121 depth source 54 depth unit 113 depth turn 30 55 deviation 117 display units 113 dockside settings 100 dodging 32 drive engage 105 Drive out 104 drive unit hydraulic pumps 72 installation...

Page 170: ... 54 M master reset 132 Minimum rudder 115 minimum wind angle 106 modes of operation auto 21 nav igating 37 NoDrift 35 standby 16 turn 24 wind 41 multiple station 48 N NAV change limit 124 NAV source 50 Nav Wind 51 navigating 37 navigation source 54 NFU Steering lever 13 NMEA compass 12 90 NMEA data 129 NMEA input output 89 NMEA messages 160 NMEA test 130 NMEA0183 165 NMEA2000 53 86 165 NoDrift 35 ...

Page 171: ...ral turn 26 55 square turn 28 55 steering lever installation 82 system basic 10 components 10 specifications 147 system data 128 T tack angle 107 tack time 43 107 tacking in auto mode 35 in wind mode 43 thrust direction 119 thruster 52 thruster interface 13 thruster sensitivity 57 Thruster steering 33 transition speed 123 trip reset 52 57 true bearing 166 true heading 166 turn on 95 turn pattern 5...

Page 172: ...Simrad AP25 Autopilot 170 20221495F wind vane steering 41 Z zigzag turn 27 55 ...

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