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Sitex  SP38 Installation and Operation 

Appendices 

Document PN 29010101 V1r0    

 

                               - 180 - 

Compass Safe Distances 

The following Compass Safe Distances were determined using a UKAS calibrated 23 Axis 
Magnetometer, for both standard compasses and steering/emergency compasses. 

 

Sitex PN 

Description 

Standard 

Compass 

Limit 

5.4°/H 

Steering 

Compass 

Limit 

18°/H 

20140002 

Signal Processing Unit (SPU) 

28 cm 

16.5 cm 

30140001 

Control Head 

32 cm 

21 cm 

20310033 

TS38 Tiller steering Remote 

31 cm 

18 cm 

20310034 

NF38 Jog Lever  

13 cm 

8 cm 

20330008 

Medium Duty Rotary Rudder 
Follower 

20 cm 

8 cm 

20330012 

Heavy Duty Rotary Rudder 
Follower 

62 cm 

40 cm 

 

 

H = horizontal flux density in 

µ

T 

                                       

Table 14

  –  Compass Safe Distances 

Summary of Contents for SP38

Page 1: ...Sitex SP38 Autopilot Advanced Autopilot Systems Installation and Operation Manual PN 29010101...

Page 2: ...nce only Whenever underway your vessel must always be under the control of a qualified and alert person who regularly and consistently ensures that the course and position of the vessel is correct and...

Page 3: ...ds and phrases with very specific meanings to describe concepts and actions that are fundamental to the operation of the autopilot Please take a moment to become familiar with the following System Com...

Page 4: ...select duplex printing or the equivalent term used by your printer s software in order to print it double sided on the paper If your printer does not have built in duplexing capability you can still p...

Page 5: ...Sitex SP38 Installation and Operation Table of Contents List of Figures and Tables Document PN 29010101 V1r0 5 Document History Revision Date By Description 1R0 November 2018 First Release...

Page 6: ...opilot Operation Maintaining a Heading and Current Effects 20 Power Steer 25 System Overview 26 Control Head 29 Signal Processor Unit 30 Compasses 31 G2 and G2B GPS Compasses 31 Fluxgate Compass 33 Ma...

Page 7: ...nnectors on the SPU 50 Wiring the System 52 Power Supply 58 Input and Output Connections 55 Jog Levers 55 Compasses 57 Rudder Follower 57 Rudder Angle Indicators 58 Drive Outputs 58 Reversing DC Motor...

Page 8: ...ower 89 Connect Fluxgate Compass to the SPU 90 For Non Sitex Devices 91 Network System Information 95 AP Network 97 SPU Dockside Menu 100 Reset 101 Vessel Type 101 Compass Setup 102 Drive Setup 102 Ex...

Page 9: ...Power Steer Menu 135 Stdby P Str Limits Power Steer Rudder Limits 135 Auto Nav Limits 136 RAI Offset 136 Auto Mode 136 Rudder Gain 137 Turn Rate 138 Parameter Set 138 Speed Trip Pt Speed Trip Point 13...

Page 10: ...ance 165 Cleaning and Appearance 166 Protection of Wires and Cabling 166 Periodic Checks 166 Fuse Replacement 167 Appendices 169 Appendix 1 ____________________________________________________________...

Page 11: ...ion and Operation Table of Contents List of Figures and Tables Document PN 29010101 V1r0 11 Compass Safe Distances 180 CE Compliance 181 Warranty Information 182 Cutomer Service 185 Index 186 User Not...

Page 12: ...ead 53 Figure 25 Typical Battery Connection to Drive Boxes 54 Figure 26 Reducing Supply Voltage Losses 54 Figure 27 Wiring Connections for SPU to N2K Networks 55 Figure 28 Wiring Connections for Jog L...

Page 13: ...d 2 141 Figure 64 Steering with Correction set to CTS 143 Figure 65 Steering with Correction set to XTE 144 Figure 66 Response of Vessel to a Large Cross Track Error 145 Figure 67 Steering with Correc...

Page 14: ...3a Turning Off SP38 System 74 Table 4 Vessel Type 104 Table 5 Compass Types 112 Table 6 Nav Mode Correction 142 Table 7 Fuse Replacement Guide 167 Table 8 NMEA 0183 Sentences Accepted by the SP38 171...

Page 15: ...Sitex SP38 Installation and Operation Table of Contents Lists of Figures and Tables Document PN 29010101 V1r0 15...

Page 16: ...Sitex SP38 Installation and Operation Document PN 29010101 V1r0 16 Introduction...

Page 17: ...Sitex SP38 Installation and Operation Document PN 29010101 V1r0 17...

Page 18: ...your normal rate of steer If the boat is not turning as rapidly as you want for example with a cross or cross current holding back the bow you slightly increase the amount of rudder On the other hand...

Page 19: ...OPERATING PARAMETERS Figure 1 Basic Autopilot System The Compass indicates the direction in which the boat is pointed often referred to as the Actual Heading Depending on the type of boat and install...

Page 20: ...firmware on the SPU s microcomputer are constantly comparing multiple times per second the boat s actual Heading as indicated by the Compass to the desired Heading you have input If there is a differ...

Page 21: ...a bit to Port for a few seconds Eventually the actual Heading will match the desired Heading If and when the boat falls off course again the same sequence will be repeated In summary this is all very...

Page 22: ...t it will probably be by quite a bit maybe even all the way to the stops but not immediately so the boat doesn t turn too rapidly Eventually the actual Heading will match the desired Heading and the b...

Page 23: ...x autopilots allow you to do just that with NAV mode The autopilot must be connected to an external source of navigation information commands and data such as a chart plotter or a Navigation program r...

Page 24: ...he Navigation System updates the Cross Track Error This is why NAV mode is the answer to the track slip problem that can occur in AUTO mode when a cross current exists When a waypoint is reached the N...

Page 25: ...he autopilot s Control Head or any remote controls it is equipped with Steering when using the autopilot in this mode is done with two buttons and or a knob on the Control Head Button 1 and or a clock...

Page 26: ...How Autopilots Work Sitex SP38 Installation and Operation Document PN 29010101 V1r0 26 System Overview...

Page 27: ...ther Figure 3 shows a block diagram of a typical example of the SP38 system showing the interconnections between the elements of the system The Signal Processor Unit SPU The Main Control Head A Compas...

Page 28: ...tion Trunk Backbone cable 12 24V Battery Block Diagram of the SP38 System 12 24V Battery 12 24V Battery N2K devices Compass Plotter etc Connections for All Analog devices such as Fluxgate Magnetic Com...

Page 29: ...ector to the Signal Processor Unit SPU via a supplied 6m NMEA 2000 standard light cables SP38 Control Head incorporates a state of the art high visibility high resolution QVGA TFT colour LCD display F...

Page 30: ...central hub for all the wiring for Sitex analog or NMEA0183 devices in the system with 12 connectors for all power and input output signals such as DC power Sitex Rudder Feedback Sitex RAI NMEA 0183 I...

Page 31: ...other NMEA 0183 and NMEA2000 devices Figure 6 GNSS G2 GPS Compass Built in DGPS processing capability provides sub meter Position accuracy DGPS source options in the G2 and G2B include standard SBAS...

Page 32: ...s are also available The GNSS NMEA2000 model is connected to the NMEA2000 network via a 6m NMEA2000 cable Navigator G2 GPS Compasses Display PN 20130003 monochrome or 20130004 colour PN 10130056 syste...

Page 33: ...gator G2 Distribution Unit Fluxgate Compass PN 20320008 Specifically designed for Sitex autopilots the Sitex Fluxgate Compass directly senses the Earth s magnetic field The unit incorporates a heeling...

Page 34: ...ands of externally gimballed magnetic compasses It is wired directly to the SPU with the attached 25 cable Figure 10 Magnetic Compass Sensor Magnetic Compasses Sitex offers several high quality extern...

Page 35: ...supplied with a Sitex Medium Duty Rotary Rudder Follower The Rudder Follower is used to transmit the position of the vessel s rudder to the SPU It should be connected to the part of the steering syste...

Page 36: ...ed port or starboard as desired to provide non follow up time dependent electrical control of the vessel s steering system Figure 14 Jog Lever Rudder Angle Indicator RAI 3 PN 20360023 The Sitex Rudder...

Page 37: ...Sitex SP38 Installation and Operation System Overview Document PN 29010101 V1r0 37 Figure 15 External Rudder Angle Indicator 3 Model...

Page 38: ...SP38 s SPU with a dedicated cable that carries power and all control data signals The CT7 can operate a number of different solenoid valves including on off and proportional types It has standard volt...

Page 39: ...rating steering systems utilizing reversing DC motors or single speed solenoids Sitex also manufactures a complete line of Drive Boxes that will interface the steering outputs from the SP38 system to...

Page 40: ...s and accessories Each drive comes with its own Installation Manual Please contact your Sitex Dealer for information and details Figure 18 Hydraulic Pump and Solenoid Value Figure 19 Cable Drives Figu...

Page 41: ...Sitex SP38 Installation and Operation Document PN 29010101 V1r0 41...

Page 42: ...Sitex SP38 Installation and Operation Document PN 29010101 V1r0 42 Installation...

Page 43: ...THE AUTOPILOT IS INTENDED FOR SINGLE AUTOPILOT INSTALLATION ON THE NMEA2000 BUS NETWORK FOR REDUNDANT OR MULTIPLE SPU AND RFU DATA SOURCE INCLUDE OTHER INDUSTRY STANDARD AUTOPILOT MODULES CONNECTED T...

Page 44: ...o the SPU Signal Processor Unit The SPU should be mounted in a clean and dry location inside the vessel and away from heat moisture and liquids of any kind It should be somewhere central ideally betwe...

Page 45: ...from ordinary electronic items such as PCs cell phones CD MP3 players and AM FM radios If you have a Sitex Fluxgate Compass the SP38 can electronically compensate for the Hard Iron portion of the Devi...

Page 46: ...sible for the vessel motion to upset or tumble the compass card disabling the Autopilot Because of the relative insensitivity of the Magnetic Compass to both the Earth and the vessel s vertical magnet...

Page 47: ...d rotate freely in all directions Excess cable should be coiled up Sitex recommends that the cable NOT be shortened If the cable is too short plug in Compass Extension Cables are available in various...

Page 48: ...ches Make sure that the ball joints on the Rudder Arm and Rudder Follower arm are facing upwards as shown Snap the rod assembly onto the ball joints Be sure to close the release clamps on each socket...

Page 49: ...her details on connecting the cable to the SPU Heavy Duty Rotary Rudder Follower The Sitex Heavy Duty Rotary Rudder Follower is also compatible with the SP38 Advanced Autopilot System If you have purc...

Page 50: ...of wire to connect the various components is very important Undersized wiring will result in power losses which can affect overall efficiency and performance Refer to the table below If in doubt cont...

Page 51: ...ing a small slotted screwdriver to open up the plug s wire clamp before a wire is inserted into that clamp the screw must then be turned clockwise until the wire is tightly held in the clamp All conne...

Page 52: ...tly from a breaker or distribution panel The autopilot should be wired into its own individual breaker or fuse For the SP38 SPU using appropriately sized wire or cable see Table 1 wire the battery con...

Page 53: ...Sitex SP38 Installation and Operation Document PN 29010101 V1r0 53 Figure 24 Typical Battery Connection to Head ORANGE BROWN WIRES ARE FOR FUTURE USE...

Page 54: ...the power wires Figure 25 Typical Battery Connection to Drive Boxes If the SPU is mounted a long distance from the ship s breaker panel it is recommended that heavy gauge wire be routed between the b...

Page 55: ...Male end N2K drop Cable to the N2K network SP38 SPU to N2K Network Sitex Network is an NMEA 2000 port A 1m Pigtail flying end and Male End Cable is provided to connect the SPU to NMEA 200 network thr...

Page 56: ...he autopilot must be turned on The autopilot will then move the rudder either port or starboard for as long as the Jog Lever is held activated However the autopilot will stop the rudder when it gets t...

Page 57: ...our system with the Magnetic Sensor and mounted it on the bottom of your magnetic compass you will also need to wire the flying lead end of the sensor cable as per the diagram in Figure 30 If you moun...

Page 58: ...ng a variety of steering systems Optional Drive Boxes are available for those systems not handled directly by the SP38 Contact your Sitex Dealer for more information Reversing Direct Current DC Motor...

Page 59: ...tors incorporate a bypass valve To operate properly the bypass valve should be activated by the SW D B output on the SPU Similarly most mechanical drives incorporate a solenoid activated clutch The cl...

Page 60: ...Connection to 12 VDC or 24 VDC solenoids should be made as per the diagram in Figure 36 In this configuration the autopilot supplies the positive voltage SW D B whenever the autopilot is in POWER STE...

Page 61: ...ine driven pump is used for the hydraulic system In the case of an electrically powered constant running pump use the following connection shown in Figure 37 Figure 37 Wiring Connections for a Constan...

Page 62: ...External Alarm Output An external alarm can be connected to the SP38 SPU The autopilot can be configured to activate this alarm whenever an alert or error message appears on the Control Head You can...

Page 63: ...tween the pins even when the alarm is off This will not be a problem with many types of alarms however with certain types of sensitive Piezo electric audible alarms the leak current can cause a consta...

Page 64: ...wo relays The coil voltage of the relays should match the supply voltage for the autopilot The power for the Alarm Supply which must be a separate dedicated supply from the autopilot supply should mat...

Page 65: ...e less water flowing over the rudder so it does not generate as much sideways force All three outputs are logic level open drain outputs direct from the SPU s microcontroller and must be used only wi...

Page 66: ...nformation for use by devices such as a radar display a chart plotter or a navigation program on a PC Refer to Appendix 1 for more information on the NMEA 0183 sentences accepted and sent by the syste...

Page 67: ...he A and B input terminals of the other device Other points to be aware of There is no ground wire for the SP38 s NAV1 IN ports Both ports are NMEA Listeners as defined in the Standard and so are opti...

Page 68: ...so the voltages of the signals are 10 times larger than measured below The Ground Reference for the oscilloscope s inputs was the GD pin of the J6 NAV I O connector The Baud Rate was 4800 or 208 3 mse...

Page 69: ...receiving data on NAV2 IN Typically an LED will flash at a rate of about once per second for regular data from a GPS or Chart plotter It will typically flash at a rate of about ten times per second w...

Page 70: ...als bits of insulation wire pieces or strands etc have been removed Caution During the first few weeks of operation repeat the checks above at least once WIRING FOR SP38 Completing the Wiring 1 Many p...

Page 71: ...Sitex SP38 Installation and Operation Getting Started Document PN 29010101 V1r0 71...

Page 72: ...Sitex SP38 Installation and Operation Getting Started Document PN 29010101 V1r0 72 Getting Started...

Page 73: ...ere the display is turned off and minimum current is consumed First time power on The first time you power on your system the SP38 Controller will search for a SP38 SPU SP38 SPU will also search for s...

Page 74: ...ar mode At that point if you keep pressing the button the autopilot will start a 3 second power down sequence Once the countdown has expired the display will go blank All outputs from SPU will stop Ot...

Page 75: ...and held for approximately 2 seconds During regular operation double pressing this button brings up or cancels the Standby menu 3 PORT ARROW button Pressing and maintaining this button while in POWER...

Page 76: ...s can be avoided by using the PORT and or STARBOARD ARROW buttons A double press of this button brings up or cancels the Auto mode menu 10 NAV button Pressing and holding this button places the autopi...

Page 77: ...onitor and fine tune the operation of WORK mode as well The autopilot has an automatic Off Course Alarm that will be activated should the boat fall off the Commanded Heading by more than 20 There is a...

Page 78: ...udder is reduced to the minimum possible for the Vessel type i e as if the Counter Rudder parameter was set to 0 which enhances the effect of the Rudder Gain and Rudder Scale Factor Turn Rate is limit...

Page 79: ...n WORK mode is now engaged Caution When manual WORK mode is engaged large rudder movements may occur If your boat is traveling too fast these rudder movements may affect the stability of the boat Do n...

Page 80: ...sted by the user if desired Automatic rudder bias is initially set to the position of the rudder when the autopilot first enters WORK mode but is automatically adjusted on a continual basis thereafter...

Page 81: ...of the screen and the current value for each parameter on the right side Note that in each menu one item is always highlighted it indicates which parameter is currently selected for example Network Co...

Page 82: ...ing Source and or Navigation Source plus a Rudder Follower Unit or Interface The Heading can be obtained from several different Heading sources a Sitex N2K GNSS GPS Compass on N2K network a Sitex Magn...

Page 83: ...r to connect any devices such as Heading and Navigation source on N2K network to the SP38 SPU In order for the SP38 system to work the SP38 Control Head gets configured to the SP38 SPU through the N2K...

Page 84: ...Sitex SP38 Installation and Operation Getting Started Document PN 29010101 V1r0 84...

Page 85: ...Sitex SP38 Installation and Operation Getting Started Document PN 29010101 V1r0 85...

Page 86: ...he system sections for the RFU to the SP38 SPU 3 Connect the GNSS N2K Compass onto the N2K network with a drop cable 4 Connect the SP38 Head and SPU onto on the N2K network with drop cables The Sitex...

Page 87: ...rol Head and the SPU are connected together and the Remote is in control 11 Press the CMD button to go back to the previous screen 12 Press and hold the CMD to take control of the Head 13 Press the CM...

Page 88: ...e the alarm 2 Press the CMD button to take control 3 Press the CMD button to bring up the menu 4 Select Network Config 5 Select AP Network 6 Press the ENTER button to acknowledge Warning MessageSelect...

Page 89: ...DBY mode 12 To verify press P STR button to activate the rudder and the rudder indicator on the screen should show accordingly For Magnetic Fluxgate Compass and Rotary Feedback Follower The following...

Page 90: ...Y mode 20 From the STANDBY mode screen the compass reading will now show CPS XXX X M where XXX X is the Magnetic compass reading Connect Fluxgate compass to the SPU 1 Press Enter to acknowledge alarm...

Page 91: ...your vessel after you have installed it NOTE to correctly complete the procedures described in this chapter you will need to be familiar with the basic concepts of using the autopilot s Control Head m...

Page 92: ...ent PN 29010101 V1r0 92 System menu The System menu has all of the adjustable parameters that are involved with the SP38 Head Display To access the System menu double press the CMD button for the MAIN...

Page 93: ...rdless of whether HDM and or HDT PGN are also being received then the autopilot will use a Magnetic Heading indicated on the display by an M beside the boat s actual Heading value on the screen and it...

Page 94: ...ond Kn Knots Depth Unit There are four Depth Unit choices m Meter Km Kilometer ft Feet ftm Fathom Time Reference To be defined Date Format To be defined Time Format UTC Universal Time and Local Local...

Page 95: ...dr Network address eg 21 Manufacturer 404 for Sitex devices Model ID Sitex Product Model SP38 Autopilot S W Software Revision eg SP38 Head 2 01 SPU Info This provides the following information for the...

Page 96: ...necting to a N2K Network To access the Network Config menu double press the CMD button to bring up the MAIN Menu and then press TURN KNOB button to select User Data Group Allows the user to change the...

Page 97: ...rt Configuration will also appear These allow for advanced configuration of those devices Verify Installation Displays Sitex items available on the N2K Network AP Network sub menu AP Inst Group There...

Page 98: ...ading Use for alarm only not for a backup in case of lost heading 9 Mag Var Source NOTE By default the SP38 Autopilot will select all of the above Data Sources automatically available on the N2K netwo...

Page 99: ...U Nav1 Port and SP38 SPU Nav2 Port will be assigned through the SP38 SPU with a unique N2K address and description which will appear on the N2K network Please note that SP38 SPU Nav1 NMEA0183 Port and...

Page 100: ...Sitex SP38 Installation and Operation Getting Started Document PN 29010101 V1r0 100 SPU DOCKSIDE Menu Available only by pressing at the same time during the power up Then double press the CMD button...

Page 101: ...he system then automatically selects a specific set of equations and constants for use in the SP38 s steering algorithms which have been found to work reasonably well with typical craft of the chosen...

Page 102: ...d then tests all of these to make sure everything is operating properly See the Drive Setup section for more information Exit Press the ENTER button to exit the Dockside Setup menu and restart the aut...

Page 103: ...SP38 autopilot system First input your vessel type into the autopilot and then specify the characteristics of the Rudder Drive mechanism on the craft Next input what type of Compass es it will be usi...

Page 104: ...se of the procedure is to find out The type of drive system solenoid s or a reversing motor the boat has The orientation of the RFU if one is fitted The direction the rudder moves in relation to the v...

Page 105: ...word Drive as used on the menus sometimes refers to the hydraulic and or electrical system that the boat uses to control the steering mechanism rudder etc and other times to the mechanism itself If y...

Page 106: ...sary to slow down the rudder unless the HO HO time is less than 10 seconds However every vessel is different and so the choice is left up to you If you do choose to slow it down the rudder movement wi...

Page 107: ...t is or they are properly wired to the SPU After the verification depending on which compass or compasses you are using you must do the calibration or configuration one at a time All calibration or co...

Page 108: ...w or Set North Now The type of Analog compass that is shown and the Compensate or Set option will depend on what you selected for Analog Compass Skip the compass HRS compensation process press the POR...

Page 109: ...being used as the Heading source if valid Heading Compass data sentences are not received for 3 seconds an INVALID HEADING alarm will occur If you are going to be using only Magnetic Heading values or...

Page 110: ...of the SPU s NAV1 input is fixed at 4800 so if the NMEA compass is connected to NAV1 it must be configured to output at 4800 Baud and the max data rate is then 480 bytes sec HDT and HDM sentences are...

Page 111: ...ugh and so the SPU will not raise a NO HEADING alarm the SPU s error detection routines do not measure update rates they only check if any valid data is being received However the effective Heading up...

Page 112: ...e the HRS setting below Fixed The autopilot can accept a variety of Analog compasses Consult the manufacturer s documentation or contact the manufacturer to determine whether the reference signal is f...

Page 113: ...tain a proper lookout for any other vessels and hazards while doing any of the circle turns and manoeuvres described below During any of these procedures the INVALID HEADING alarm may occur You can ca...

Page 114: ...the compass then begin the procedure again 8 Press the PORT button to go back to the Compass Configuration menu 9 The Fluxgate Compass is now compensated and ready for use although it still may need t...

Page 115: ...connected to the SP38 SPU NAV1 for an NMEA0183 compass connected to the IN 1 pins of the J9 NAV I O of the SP38 SPU connector NAV2 for an NMEA0183 compass connected to the IN 2 pins of J9 NAV I O conn...

Page 116: ...Set North Now Press the STARBOARD button 5 Manually steer the boat so that it is pointing to Magnetic North Hold it on that heading and push the ENTER button The autopilot will store the current head...

Page 117: ...ials it s a good idea to review how you steer your vessel manually and how that compares to how the SP38 performs when steering the boat under autopilot conditions Please re read the chapter on How Au...

Page 118: ...at esses back and forth more than about 3 degrees bring up the Auto menu and reduce the Rudder Gain setting by 1 step then test again On a SP38 with a Rudder Follower Make a medium Heading change say...

Page 119: ...Control Zone or no wash area usually 5 Knots 2 Bring up the Auto menu highlight Parameter Set and select Lo 3 Repeat the steps in the Hi speed Rudder Gain and Counter Rudder adjustment process discus...

Page 120: ...ly be observed in the wake Adjustments to Rudder Gain and Counter Rudder as in the tests mentioned previously are how you achieve smooth Generally speaking the Rudder Gain and Counter Rudder settings...

Page 121: ...Sitex SP38 Installation and Operation Getting Started Document PN 29010101 V1r0 121 Basic Operations...

Page 122: ...trol Head The elements of the Control Head with reference to the identifiers in Figure 52 are 1 LCD Screen While the system is powered the LCD screen is normally displaying the compass heading rudder...

Page 123: ...V WORK or modes allows you to avoid obstacles in the boat s path by turning to Starboard This button is also used in menu operations to move the highlight to the next line 6 ENTER button knob push Thi...

Page 124: ...w mode s letter not flashing This time delay is deliberately designed as a safety feature into the system s response to the mode change and some other buttons to prevent accidental activation of those...

Page 125: ...tton moves it down Some menus have more lines than can be shown on a single screen In this case when the highlight has been moved to the last line on a screen each subsequent press of the STARBOARD bu...

Page 126: ...RAI shows the current position of the boat s rudder as measured by the Rudder Follower Unit Call Factory for availability of this option A V in a small box is shown at the right end of the RAI to indi...

Page 127: ...ndby Button Power On The first step in using your SP38 system is to turn it on Press the Control Head s STANDBY button Figure 54 Press and hold until the introductory display appears on the LCD screen...

Page 128: ...sing the button the autopilot will start a 3 second power down sequence Once the countdown has expired the display will prompt you to release the STANDBY button and once you do the whole autopilot sys...

Page 129: ...cument PN 29010101 V1r0 129 Access to Standby Menu 1 Select Setup 2 Select Standby See a detailed expalnation for each setting in the Station Lock section Power Steer Menu To access the AUTO menu pres...

Page 130: ...Sitex SP38 Installation and Operation Advanced Operations Document PN 29010101 V1r0 130 Access to Auto Menu 1 Select Setup 2 Select Auto...

Page 131: ...Sitex SP38 Installation and Operation Advanced Operations Document PN 29010101 V1r0 131 Access to NAV Menu 1 Select Setup 2 Select Nav...

Page 132: ...Sitex SP38 Installation and Operation Advanced Operations Document PN 29010101 V1r0 132 Access to Work Menu 1 Select Setup 2 Select Work...

Page 133: ...l Default Turn The SP38 System has a number of Special Turns pre programmed into it The variety of turns available depends somewhat on the system configuration and what mode you are operating in Set t...

Page 134: ...the interval by thirty seconds See the Fishzag section of this manual for more information Battery This is a read only display that cannot be changed The number shown is the battery voltage as measure...

Page 135: ...he mechanical steering parameters which are common to all modes To access the Power Steer menu double press the P STR button Figure 58 Power Steer Menu Stdby P Str Limits Power Steer Rudder Limits Whe...

Page 136: ...ameter name in the menu was not changed however Auto Nav Limits The Auto Nav Limits are essentially the same as the Power Steer Limits detailed above but they are in effect only when the autopilot is...

Page 137: ...e maximum amount of rudder travel in AUTO mode by turning on the Auto Nav rudder limits Turning them on and adjusting them to suit is done in the Power Steer menu The autopilot has an automatic Off Co...

Page 138: ...ts original heading after a dodge manoeuvre or execute a Special Turn Factors such as speed load hull characteristics and weather conditions may limit the maximum achievable turn rate This parameter s...

Page 139: ...ALC feature is turned on or off with this parameter It is active only in AUTO mode See the Following a Track section for more information Thruster Assist Thruster Gain These two functions are only av...

Page 140: ...igure 62 Typical NAV Mode Screen Normal Display In NAV mode you can quickly dodge around obstacles and automatically return to your original Track See the Dodge and Jog Lever Turns sections for more i...

Page 141: ...oute a special arrival message is sent to the autopilot from the Navigation System This menu item tells the SP38 how you want to deal with the arrival message Manual manual sequencing Displays Waypoin...

Page 142: ...or the right of the line between the beginning and ending waypoints The NMEA National Marine Electronics Association has specified how a cross track error should be identified a left indicator L in th...

Page 143: ...lot therefore steers directly to the destination waypoint as depicted in Figure 64 Figure 64 Steering with Correction set to CTS Test this out to be familiar with it by performing the following steps...

Page 144: ...t so as to be familiar with it by performing the following steps 1 Change Correction in the Nav menu to XTE 2 Make sure the Navigation System is turned on and that a waypoint is programmed in 3 Switch...

Page 145: ...The total number of degrees that the autopilot will correct the heading received from the Navigation System as it tries to bring the vessel back on track is limited to the value set for XTE Limit in t...

Page 146: ...programmed in Usually this means selecting a waypoint from a list and pressing the GOTO button 2 Steer the boat close to the waypoint track 3 Put the SP38 in NAV mode by pressing and holding the NAV b...

Page 147: ...numbers in the lower corners of the highway display These indicate the scale of the display There are four scales that can be shown on the highway display 0 2 0 5 1 5 and 3 0 nautical miles The scale...

Page 148: ...begin to turn the vessel back to the Commanded Course but this time the turn will occur at no greater than the maximum turn rate that is set in the Steering Parameters NOTE If you dodge the vessel in...

Page 149: ...ack at approximately the Heading that was current at the time the second button was pressed However this can be affected by weather and waves by the vessel s rudder speed and steering response time an...

Page 150: ...limits If neither of the Rudder Limits are set then the autopilot will stop moving the rudder when it gets within a few degrees of the physical limits of rudder travel When you release the Jog Lever...

Page 151: ...Sitex SP38 Installation and Operation Advanced Operations Document PN 29010101 V1r0 151 Advanced Operations...

Page 152: ...ted should the boat fall off the Commanded Heading by more than 20 There is a 32 second delay on this alarm Automatic WORK Mode Although WORK mode can be used manually it works best if a valid NMEA so...

Page 153: ...he Work menu Other effects take place in WORK mode too The corrective rudder movement calculated for Counter Rudder is reduced to the minimum possible for the vessel type i e as if the Counter Rudder...

Page 154: ...r W appears beside it Then double press the WORK button to bring up the Work menu Highlight Work Mode State Then use the COURSE CHANGE knob to change the selection to M_On Manual On WORK mode is now e...

Page 155: ...rim when in WORK mode the default is to use automatic bias Manual rudder bias is fixed by the position of the rudder when the autopilot first enters WORK mode but can be adjusted by the user if desire...

Page 156: ...igation System In cases where this information is not available WORK mode can still be made to function by forcing it on The states shown are Off A_On and A_Rdy abbreviations for Automatic On and Auto...

Page 157: ...pecial Turns can be aborted by pressing the TURN button again while the Special Turn is executing or by changing modes U Turn For a U Turn the autopilot calculates a reciprocal course to the vessel s...

Page 158: ...he autopilot steers a never ending circle in the appropriate direction once the PORT or STARBOARD ARROW button is pressed The Turn Rate setting in the Auto menu governs the rate of turn To stop the ci...

Page 159: ...s an Emergency or E turn This will bring the vessel onto a reciprocal heading typically right down the vessel s own wake The PORT or STARBOARD ARROW buttons are used to determine the initial turning d...

Page 160: ...n After 30 seconds the autopilot will return to the original course and start the timer over again This time when the timer goes off the autopilot will make a 60 course change in the opposite directio...

Page 161: ...In command controller while the previous controller becomes a Repeater Station Lock Unlock Setting the Station Lock parameter in the Standby menu to Lock prevents any of the Repeaters from being able...

Page 162: ...arm can be used to alert ship s personnel that the helm may be unattended To use the Watch Alarm as per option 1 the Alarm O P parameter in the Dockside Setup menu must be set to none Sw d B and all o...

Page 163: ...8 Installation and Operation Appendices Document PN 29010101 V1r0 163 5 The SP38 autopilot is shipped from the factory with an empty password just press the STANDBY ON OFF button when prompted for the...

Page 164: ...Sitex SP38 Installation and Operation Appendices Document PN 29010101 V1r0 164...

Page 165: ...Sitex SP38 Installation and Operation Appendices Document PN 29010101 V1r0 165 Care and Maintenance...

Page 166: ...VOIDED Exposure to prolonged direct sunlight should be avoided in order to prevent damage to the electronics and housing and UV induced fading of the LCD Protection of Wires and Cabling After installa...

Page 167: ...ction must be removed To do so gently pry up the center portion of the plastic rivets which fasten the cover to the SPU s case be careful not to lose any of the plastic pieces After the fuse s are rep...

Page 168: ...Sitex SP38 Installation and Operation Appendices Document PN 29010101 V1r0 168...

Page 169: ...Sitex SP38 Installation and Operation Appendices Document PN 29010101 V1r0 169 Appendices...

Page 170: ...N_128259 PGN_129025 PGN_129026 PGN_129283 PGN_129284 PGN_65342 PGN_129283_ PGN_126993 PGN_NUMOF Receiving PGNs PGN_60928 PGN_59904 PGN_59392 PGN_126208 PGN_127250 PGN_128259 PGN_129025 PGN_129026 PGN_...

Page 171: ...n Cross Track Error Waypoint ID Range to Destination Bearing from Origin to Destination Arrival Status RMC Recommended Minimum Specific GNSS Data Speed Magnetic Variation VBW Dual Ground Water Speed S...

Page 172: ...tered Bearing origin to destination magnetic or true Waypoint ID Bearing present to destination magnetic or true Course to steer magnetic or true APB 13 Vessel speed RMA 14 Vessel speed Magnetic varia...

Page 173: ...ntence HDG and HDT are output at 9 times per second The TALKER Identifier is AP in all cases All messages have valid checksums The PCMS sentence is output once per second if the Vessel Type in the Doc...

Page 174: ...event this EEPROM ERROR The system has detected a non fatal error in one of the memory devices on the SPU Contact your Sitex Dealer for repair service at your earliest convenience NO AUX 1 The system...

Page 175: ...ed data has not been received at NAV1 or NAV2 for 28 seconds Check that the Navigation System sending the data is turned on and functioning properly Check the wiring between the system and the SPU INV...

Page 176: ...l Head is not responding to the SPU Check all wiring FUSE F2 FAULTY Fuse F2 on the SPU has blown This fuse supplies current to the drive outputs Check all wiring and verify that all output loads solen...

Page 177: ...ms this LED will be shut off whenever the motor is activated in one direction which direction depends on how the reversing motor was plumbed in and wired M2 STBD For systems that utilize Solenoid stee...

Page 178: ...porated into an existing system installation in the field by a Sitex Dealer or even by the vessel operator For the SP38 system this is done with a Firmware The Firmware link is available from your aut...

Page 179: ...C Power Consumption SPU 400 mADC Control Head 350 mADC Drive Output 20 Amps max Navigational Interface NMEA 2000 compliant Network NAV1 input NMEA 0183 compliant optically isolated 4800 Baud NAV2 inpu...

Page 180: ...emergency compasses Sitex PN Description Standard Compass Limit 5 4 H Steering Compass Limit 18 H 20140002 Signal Processing Unit SPU 28 cm 16 5 cm 30140001 Control Head 32 cm 21 cm 20310033 TS38 Til...

Page 181: ...EC945 EN60945 Marine Navigation Equipment General Requirements Applicable sections for methods of testing and required test results are Section 4 5 4 Radiated Interference Section 4 5 4 Immunity to El...

Page 182: ...emoved altered or mutilated SI TEX Marine Electronics assumes no responsibility for damage incurred during installation This Limited Warranty is effective only with respect to the original purchaser A...

Page 183: ...11901 631 996 2690 HOW TO OBTAIN SERVICE UNDER THIS WARRANTY To provide greater flexibility SI TEX Marine Electronics gives you the option to obtain service under the warranty by either a Contacting a...

Page 184: ...Sitex SP38 Installation and Operation Index Document PN 29010101 V1r0 184...

Page 185: ...mer Service The contract numbers and e mail address for Sitex Customer Service are Sitex Main Office 1 631 996 2690 Sitex Fax 1 631 996 2693 Sitex Customer Support E mail address customerservice si te...

Page 186: ...111 Basic Operation 109 Battery 55 69 74 111 169 173 Battery Connections 56 Beam Reach 140 Beam Reach Def 137 143 Bleeding 93 Broad Reach 140 Broad Reach Def 143 C Care and Maintenance 159 CE Complian...

Page 187: ...lay 126 I In command 152 Installation 43 J Jog Lever 36 59 114 118 130 152 177 L Language 89 LCD Screen 80 LEDs Diagnostic 173 Linear Actuators or Mechanical Rotary Drives 64 Linear Rudder Follower 33...

Page 188: ...p Point 117 SPU 17 25 27 54 Standby Menu 110 STANDBY mode 65 79 80 95 98 100 101 102 109 165 171 STANDBY ON OFF button 80 STARBOARD ARROW button 81 Station Lock Unlock 110 152 Steering System 43 Steer...

Page 189: ...Sitex SP38 Installation and Operation Document PN 29010101 V1r0 189 User Notes and Settings...

Page 190: ...l An Compass type None Mag Flux Fixed Float None Compass setup press ENTER Knob button to do n a Drive setup press ENTER Knob to do n a Exit press Enter Knob to do n a Alarm O P None SW D B SW D B Non...

Page 191: ...fset 0 15 0 Auto Menu Rudder Gain 1 10 8 5 Counter Rudder 0 10 3 3 Seastate Auto 1 10 A A Turn Rate 0 1 20 8 5 Parameter Set Lo Hi Auto Auto Speed Trip Pt 1 20 10 Speed Source NAV1 NAV2 NAV1 ALC On Of...

Page 192: ...1 V1r0 192 Parameter Range Default Value User Settings 1 User Settings 2 Work Menu Rudder Bias Auto Nav rudder limit or physical limit Set at Runtime Autotrim Off On Off Work Trip Pt 1 10 2 Rudder Sca...

Page 193: ...Sitex SP38 Installation and Operation User Notes and Settings Document PN 29010101 V1r0 193 User Notes...

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