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INTRODUCTION Page

1

1

INTRODUCTION

1.1

About this installation guide

This installation guide provides information to facilitate installation
of the

C-Nav1000

J4N Junction Box for the R4 (D)GPS

Navigation System.
As the J4N Junction Box is intended for use with the R4 Navigation
System, this installation guide contains information that is relevant
for this type of installation. It is important to note that more details of
the R4 Navigation System installation are found in the Installation
Manual for the R4 Navigation System (part number

SAA

7000 109-009).

The main part of this installation guide concerns the basic stand-
alone navigation configuration. Additional information related to
dual redundant and combined AIS/navigation installations are
provided in chapter five.

1.2

Unpacking the equipment

When unpacking the equipment, please check that the following is
included in the delivered package, if any parts are missing, please
contact the

C&C Technologies C-Nav

dealer.

Standard J4N package:

Name Qty.

J4N Unit

1

Mounting Screws (In plastic bag located
inside the box)

4

2

GENERAL INFORMATION

2.1

Physical Size (mm)

«
...
67
68
69
70
71
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»

Summary of Contents for 1000 R4

Page 1: ...Installation Manual C Nav World DGPS 730 East Kaliste Saloom Rd Lafayette La 70508 USA Tel 1 337 210 0000 Fax 1 337 261 0192 E mail cnav support cnavgps com ...

Page 2: ...r DGPS information publications billing and shipping contact C Nav General E mail cnav cnavgps com Phone 1 337 210 0000 Regional Office Contacts North America Lafayette 1 337 210 0000 Houston 1 713 468 1536 South America Rio De Janeiro 55 21 22102555 Africa South Africa 27 21 702 1870 Angola 244 222 330202 Asia Singapore 65 629 59 738 Europe UK 44 1284 388631 Germany 49 3841 334240 For information...

Page 3: ...on as the exclusive means for navigating a vessel The navigator is responsible for checking all aids available to confirm his position Electronic aids are intended to assist not replace the navigator iv Software This manual reflects the capabilities of R4 Navigation Display software version 5 0 94 v Installation Manual Part Number and Revision Part number SAA7000 109 142 revision G2 This manual is...

Page 4: ... Mount the GPS or DGPS Navigation Antenna 17 4 3 1 Antenna Location 17 4 3 2 Cabling 18 4 3 3 Cable Mounting 18 4 3 4 Grounding 18 5 WIRING CABLE CONNECTIONS 19 5 1 R4 Navigation Sensor Cable Description 19 5 1 1 System Port 20 5 1 2 User Port 1 20 5 1 3 User Port 2 20 5 1 4 Power Wires 20 5 1 5 Alarm Out Binary Port 20 5 1 6 Alarm Acknowledge Binary Port 21 5 1 7 Speed Log Out Port 21 5 2 R4 Disp...

Page 5: ... Schematics 33 7 2 Electrical Characteristics R4 Navigation Sensor 34 7 2 1 Output Drive Capacity 34 7 2 2 Input Load 34 7 2 3 Termination 34 7 2 4 Schematics 34 7 3 Input Sentences 36 7 4 Output Sentences 37 8 TECHNICAL SPECIFICATIONS 39 8 1 R4 Display 39 8 2 R4 Navigation Sensor 39 9 APPENDICES 41 Appendix A 1 Reference Documents 42 Appendix A 2 Interpretation of IEC 61162 1 Sentences 43 Appendi...

Page 6: ... 4 9 Connecting the power cable and the signal cable to the R4 Display 13 Figure 4 10 Clearance area for R4 Navigation Sensor 15 Figure 4 11 R4 Navigation Sensor mechanical drawing 16 Figure 5 1 R4 Navigation Sensor Power and Data cable 19 Figure 5 2 R4 Display Signal cable and Power cable description 22 Figure 6 1 R4 Display key names and location 24 Figure 7 1 R4 Display serial interface input s...

Page 7: ...al together with the Operator s Manual provides in depth information to facilitate installation of the C Nav1000 R4 Navigation System The C Nav1000 R4 Navigation System is available in two system configurations GPS and DGPS This manual is valid for both configurations ...

Page 8: ...f receiving WAAS EGNOS and MSAS differential corrections The R4 DGPS Navigation Sensor has all the features of the GPS Sensor as well as a dual channel beacon receiver for reception of IALA beacon DGPS corrections Both the GPS and the DGPS Navigation Sensor perform continuous RAIM calculations according to the IEC 61108 1 2nd edition standard see Ref 5 The Navigation Sensor is connected to the ant...

Page 9: ...mber Qty R4 GPS Navigation Sensor SAA7000109 141 1 MGA 2 GPS Antenna 30 dB gain SAA7000000 263 1 DGPS Configuration The following additional equipment is required in a DGPS configuration Name Part number Qty R4 DGPS Navigation Sensor SAA7000109 140 1 MGL 4 Combined GPS Beacon Antenna SAA7000000 359 1 Accessories The following accessories are available Name Part number R4 Display flush mount kit SA...

Page 10: ...0 108 133 R4 Display Power Cable Type 3 x 0 5 mm2 Length 2 m Connector ConXall Mini Con 3pin female Marking 7000 108 132 R4 Navigation Sensor Power and Data Cable Type 9 Pair x 0 25 mm2 Shield Length 2 m Connector ConXall Maxi Con 18pin male Marking 7000 109 011 Sensor Antenna Cable Not supplied by C C Technologies Type See Appendix A 6 Sensor antenna cable selector Length See Appendix A 6 Sensor ...

Page 11: ... are found in the coming sections of the Installation Manual Recommended installation steps 1 Mount the R4 Display section 4 1 2 Mount the R4 Navigation Sensor section 4 2 3 Mount the antenna section 4 3 4 Connect the R4 Display and R4 Navigation Sensor chapter 5 5 Power up the system section 6 3 6 Perform system functional check section 6 7 7 Configure output sentences section 6 8 ...

Page 12: ...temperature 15ºC to 55ºC Select a location away from excessive heat sources Avoid areas where there is a high flow of humid salt air Avoid places with high levels of vibrations and shocks Avoid mounting the R4 Display in direct sunlight Ensure that there is enough airflow to avoid high ambient temperatures Ensure that the cables can be connected without violating their maximum bending radius The u...

Page 13: ...al Drawing Figure 4 1 Mechanical drawing R4 Display 4 1 3 Gimbal Mounting 1 Determine where to install the R4 Display The R4 Display can be mounted horizontally or vertically Make sure there is enough space around the R4 Display see Figure 4 2 below ...

Page 14: ...en the gimbal mount on a flat surface with three screws see Figure 4 3 below The type of screws has to be chosen considering the panel material Note that the slots on the end of the gimbal mount have to face the direction in which the R4 Display is to be mounted ...

Page 15: ...Display onto the gimbal mount using the locking knobs without over tightening 4 Attach the signal cable 18 pin plug and the power cable 3 pin socket as described in section 4 1 5 5 Adjust the viewing angle after first loosening the gimbal locking knobs Securing the R4 Display without over tightening the gimbal locking knobs ...

Page 16: ...able has a maximum bending radius of 10 centimeters 5 5 Figure 4 4 Panel mount frame dimensions Figure 4 5 Clearance distance behind the display 2 Make one rectangular hole and four round holes in the panel as illustrated in Figure 4 6 If the hole template is available place the template in the right position and drill and saw according to the template If this method is used exclude step 3 and 4 i...

Page 17: ...splay Make sure that it aligns with the R4 Display body Place the R4 Display in the panel mount frame Press the R4 Display and the frame together and install the two securing screws one on each side of the R4 Display 6 Attach the signal cable 18 pin plug and the power cable 3 pin socket as described in section 4 1 5 7 Slide the R4 Display with the panel mount frame into the rectangular hole in the...

Page 18: ...MOUNTING Page 12 Figure 4 7 Panel mounting R4 Display Figure 4 8 R4 Display panel mounted ...

Page 19: ...wer cable and the signal cable to the R4 Display Note The Signal cable for connecting to the R4 Display and the Power and Data cable for connecting to the R4 Navigation Sensor both use 18 pin connectors Make sure they are not interchanged The R4 Display Signal cable is marked with 7000 108 133 and can also be identified by the fact that only 13 pins are mounted in the male connector 4 1 6 Power Su...

Page 20: ...ure 30ºC to 70ºC Select a location away from excessive heat sources Avoid areas where there is a high flow of humid salt air Avoid places with high levels of vibrations and shocks Ensure that there is enough airflow to avoid high ambient temperatures Ensure that the different cables can be connected without violating their maximum bending radius The unit can affect magnetic compasses The minimum c...

Page 21: ...15 4 2 2 Clearance Area Leave a clearance around the R4 Navigation Sensor to facilitate service and installation See recommended clearance area in Figure 4 10 below Figure 4 10 Clearance area for R4 Navigation Sensor ...

Page 22: ...nsor mechanical drawing 4 2 4 Cabling Use the included R4 Power and Data cable marked 7000 109 011 to connect to the R4 Navigation Sensor to the power source the R4 Display and any external systems or sensors Note that the cable has a maximum bending radius of 15 cm Connect the cable s 18 pin male ConXall ...

Page 23: ...e section 8 2 The R4 Navigation Sensor is designed to operate on 24 VDC The nominal power used is 2 7 W The R4 Navigation Sensor shall be externally fused slow blow fuse with a 1 A fuse Install according to section 5 1 and Appendix A 8 4 3 Mount the GPS or DGPS Navigation Antenna The R4 Navigation Sensor should be connected to the included antenna which in the GPS configuration is a MGA 2 GPS ante...

Page 24: ...d coaxial cable is recommended The coaxial cable should be routed directly between the antenna and the R4 Navigation Sensor in order to reduce electromagnetic interference effects The cable should not be installed close to high power lines such as radar or radio transmitter lines or any AIS VHF antenna cable A separation of one meter or more is recommended to avoid interference due to RF coupling ...

Page 25: ...sor Cable Description Figure 5 1 describes the power and data cable of the R4 Navigation Sensor The R4 Navigation Sensor cable is connected by an 18 pin ConXall connector and supplies several different interfaces described below The cable is also used to apply power to the sensor Figure 5 1 R4 Navigation Sensor Power and Data cable Important The shield of the Navigation Sensor power and data cable...

Page 26: ...t of external differential corrections in RTCM SC 104 format In this case the port can not be used for output of data Refer to the Operator s Manual section GPS Config in the reference chapter on how to configure the port for differential corrections 5 1 3 User Port 2 The port can only be used to output data from the R4 Navigation System to external equipment The TX lines of the port shall be conn...

Page 27: ...o Signal ground The port has a driving capacity of 10 mA The number of pulses that can be generated per nautical mile can range between 100 and 400 configured as described in the I O Config section in the Operator s Manual The default setting is that Speed Log output is disabled The speed pulse interval has a resolution of 50 ms providing a resolution of 0 5 knots up to 10 20 knots depending on pu...

Page 28: ... Navigation Sensor The RX lines of the R4 Sensor port shall be connected to the TX lines of the System port 5 2 3 User Port 3 The port is bidirectional and can be used to connect to external equipment and sensors such as a compass or depth sensor The port only supports a limited set of sentences To receive data on the port its RX lines shall be connected to the TX lines of the external equipment F...

Page 29: ...synchronize database and settings in a dual redundant system installation The TX lines of one system shall be connected to the RX lines of the other system and vice versa Refer to the Operator s Manual section Redund Config in the reference chapter for more information 5 2 4 Front Plug Port not used In a R4 Navigation System this port is not used It is up to the installer to use this port for own ...

Page 30: ...ion The keys are described below POWER Used for turning the R4 display on and off To turn the power off press and hold the key for about 3 seconds MOB Used to mark the spot of an event or where a person has fallen overboard To activate the Man Over Board MOB function hold the key for at least 5 seconds If held shorter the event mark functionality is activated DISPLAY Provides controls for fast con...

Page 31: ...arked PWR indicates when lit that power is applied to the Sensor The yellow GPS LED indicates when continuously lit that the Sensor has obtained a solid GPS lock The yellow CORR LED indicates when continuously lit that the Sensor has achieved a solid SBAS or radio beacon lock with marginal data error rate If the error rate is significant this LED will blink showing that the lock is marginal The gr...

Page 32: ...arm List view in the Alarms Msgs mode The view is accessed by pressing the MODE key followed by the function keys ALARMS MSGS and ALARM LIST The view is illustrated below On entrance the view only displays the enabled alarms To view the status of alarms that have been disabled if any press function key Show Disabled Active alarms are indicated with an exclamation mark 6 5 GPS Connection Lost Troub...

Page 33: ...d B wires of the interconnection between the R4 Display and R4 Navigation Sensor have been interchanged See step 3 above If this does not help contact your R4 Navigation System dealer 6 6 Position Data Lost Troubleshooting The alarm Position Data Lost indicates that no valid positioning information is received from the R4 Navigation Sensor If the alarm GPS Connection Lost also is active then the c...

Page 34: ...nal strength is measured as a signal to noise SNR ratio The SNR is the height of the signal above the noise floor The higher the SNR the better your receiver is receiving the signal The optimum antenna location will be a position where your average SNR is highest You should turn on all equipment that you intend to use during normal operation when locating the best position for the antenna 3 To ver...

Page 35: ...he following view should be displayed The observed radio beacon SNR value should be interpreted as follows SNR Description Data Throughput 25 Excellent 100 data throughput 20 to 25 Very Good 100 data throughput 15 to 20 Good Good data throughput up to 100 10 to 15 Stable Moderate to good data throughput 7 to 10 Intermittent Low data throughput 7 No Lock No data throughput If the received signal ha...

Page 36: ...iew is shown 3 Press function key Port Rate Config The Port Rate Configuration view is shown as illustrated below 5 Select the port to modify communication rate for using and press ENTER 6 Use to select the desired communication rate and press ENTER when done 7 Press function key Apply and Exit to store the made changes ...

Page 37: ...use To configure output sentences follow the steps described below Step 1 and 2 are identical to the first two steps described in section 6 8 1 Enter Config mode by pressing the MODE key followed by function key CONFIG 2 Press the PAGE key and then function key I O Config The I O Configuration view is shown 3 Press function key Output Config to display the Port Output Configuration view as illustr...

Page 38: ...Port Output Configuration view and ESC again to leave the I O Configuration view 6 10 Adjusting System Settings The R4 Navigation System is fully operational once correctly mounted connected and configured as have been described in this document However it may be desired to adjust some system characteristics to the operating environment and the preferences of the users of the system System setting...

Page 39: ...ave a maximum of 10 listeners drawing 2 0 mA 7 1 2 Input Load Each listener draws less than 2 mA 2 V input voltage 7 1 3 Termination If needed 1 kΩ line termination resistors can be placed in the terminal block on the input ports 7 1 4 Schematics Each of the RS422 serial interfaces on the R4 Display fulfils the requirements as specified in Ref 2 In addition they support baud rates up to 115200 For...

Page 40: ...ener draws less than 2 mA 2 V input voltage 7 2 3 Termination If needed 1 kΩ line termination resistors can be placed in the terminal block on the input ports 7 2 4 Schematics Each of the RS422 serial interfaces on the R4 Navigation Sensor fulfils the requirements as specified in Ref 2 In addition User Port 1 supports a communication rate up to 38400 bps and User Port 2 up to 19200 bps For details...

Page 41: ...SERIAL COMMUNICATION INTERFACES Page 35 Figure 7 3 R4 Navigation Sensor serial interface input schematics Figure 7 4 R4 Navigation Sensor serial interface output schematics ...

Page 42: ...510 sentence is always interpreted if received Sentences can be received on the User 1 and User 3 ports Table 7 1 Interpreted IEC 61162 1 and proprietary input sentences Sentence Name ACK Acknowledge Alarm Note 1 DBT Depth below transducer DPT Depth HDG Heading deviation and variation HDT Heading true VHW Water speed and heading RTE Routes Rnn Routes for old NMEA compliance WPL Waypoint location P...

Page 43: ...are not supported on that port Transmission of each sentence can also be disabled Table 7 2 Supported GPS output sentences Sentence Description Port 1 2 Port 3 GGA GPS fix data 0 2 5 Hz 1 Hz GLL Geographic position latitude longitude 0 2 5 Hz GLL2 NMEA 1 5 Geographic position latitude longitude Position with only 2 decimals 1 Hz 1 Hz GLL2 NMEA 2 3 Geographic position latitude longitude Position wi...

Page 44: ... waypoint locations 1 Hz 1 Hz WPL RTE Upload Complete routes and associated waypoint locations and individual waypoints see Note 5 1 Hz 1 Hz Note 1 The ALR message provides current state of all external alarms with 3Hz every 30 seconds and for individual alarms with a single message when an alarm state has changed Note 2 Supported for NMEA backwards compliance Use of WPL RTE is recommended Note 3 ...

Page 45: ...Distance 53 cm for standard magnetic compass and 28 cm for steering magnetic compass 8 2 R4 Navigation Sensor Specifications are valid for both the R4 GPS Navigation Sensor and the R4 DGPS Navigation Sensor unless otherwise specified PHYSICAL Dimensions Height 39 mm Width 128 mm Depth 137 mm Weight 0 5 kg Antenna connector TNC Female POWER Input power voltage 24 V DC 10 to 32V DC Nominal power 2 0...

Page 46: ...ic compass INTERNAL GPS RECEIVER Type L1 C A code 12 channel parallel tracking 2 channels dedicated for SBAS tracking Update rate 5 Hz max Position accuracy 2 m Horizontal 2 sigma 95 DGPS 5 m Horizontal 2 sigma 95 GPS INTERNAL BEACON RECEIVER DPGS version only Channels 2 independent channels Frequency range 283 5 to 325 0 kHz Channel spacing 500 Hz MSK bit rate 50 100 and 200 bps Input sensitivity...

Page 47: ... Reference Documents A 2 Interpretations of IEC 61162 1 Sentences A 3 Other NMEA Sentences A 4 Proprietary Sentences PSTT A 5 Front Plug Port Characteristics A 6 Sensor Antenna Cable Selector A 7 Glossary A 8 Installation Wiring Diagram ...

Page 48: ...04 RTCM Recommended Standards for Differential GNSS Service Ref 4 IEC 61162 2 Maritime navigation and radiocommunication equipment and systems Digital interfaces Part 2 Single talker and multiple listeners high speed transmission Ref 5 IEC 61108 1 Maritime navigation and radiocommunication equipment and systems Global navigation satellite systems GNSS Part 1 Global positioning system GPS Receiver ...

Page 49: ... GGA or GNS 3 x x Expected error in latitude 4 x x Expected error in longitude 5 x x Expected error in altitude 6 xx ID number of most likely failed satellite 7 x x Probability of missed detection for most likely failed satellite 8 x x Estimate of bias 9 x x Standard deviation of bias estimate GGA Global Positioning System Fix Data GGA hhmmss ss llll ll a yyyy yy a x xx x x x x M x x M x x xxxx Fi...

Page 50: ... c Mode indicator 8 xx Total number of satellites 9 x x HDOP 10 x x Antenna altitude meter 11 x x Geodial separation 12 x x Age of differential corrections 13 x x Differential reference station ID GRS GNSS range residuals GRS hhmmss ss x x x x x Field Format Name Comment 1 GRS Sentence Id 2 hhmmss ss UTC time of associated GGA or GNS fix 3 X Mode 4 x x Range residuals 1 5 x x Range residuals 2 15 ...

Page 51: ... x x xx xx xx xxx xx Field Format Name Comment 1 GSV Sentence Id 2 x Total number of messages 3 x Message number 4 x Total number of satellites in view 5 xx Satellite ID number Satellite 1 6 xx Elevation degrees Satellite 1 7 xxx Azimuth degrees true Satellite 1 8 xx SNR Satellite 1 Fields for all satellites are used RMC Recommended minimum specific GNSS data RMC hhmmss ss A llll ll a yyyy yy a x ...

Page 52: ... UTC 5 xxxx Year UTC 6 xx Local zone hours Always zero 7 xx Local zone minutes Always zero Output Sentences Navigation All output sentences use GP as talker identifier ALR Alarm State ALR hhmmss ss xxx A A c c Field Format Name Comment 1 ALR Sentence Id 2 hhmmss ss UTC time of last condition change 3 xxx Alarm identifier number 4 A Alarm condition A Threshold exceeded V not exceeded 5 A Acknowledg...

Page 53: ...Bearing degrees magnetic x x is null field 6 c c Destination waypoint ID 7 c c Origin waypoint ID BWC Bearing and distance to waypoint BWR Bearing and distance to waypoint rhumb line BWC hhmmss ss llll ll a yyyy yy a x x T x x M x x N c c a BWR hhmmss ss llll ll a yyyy yy a x x T x x M x x N c c a Field Format Name Comment 1 BWC BWR Sentence Id 2 hhmmss ss UTC of observation 3 llll ll 4 a Waypoint...

Page 54: ...y 14 A Arrival status 15 a Mode indicator RTE Routes RTE x x x x a c c c c c c Field Format Name Comment 1 RTE Sentence Id 2 x x Total number of messages being transmitted 3 x x Message number 4 a Message mode 5 c c Route identifier 6 c c Waypoint identifier first n c c Waypoint identifier last WPL Waypoint location WPL llll ll a yyyy yy a c c Field Format Name Comment 1 VPL Sentence Id 2 llll ll ...

Page 55: ... 5 M Water depth meter Not used 6 x x 7 F Water depth fathoms Not used DPT Depth The displayed depth will be adjusted according to depth input configuration parameters DPT x x x x x x Field Format Name Comment 1 DPT Sentence Id Used 2 x x Water depth relative to transducer meter Used 3 x x Offset from transducer meter Used if configured 4 x x Max range scale in use Not used HDG Heading Deviation A...

Page 56: ...ypoint identifier last Used WPL Waypoint location WPL llll ll a yyyy yy a c c Field Format Name Comment 1 WPL Sentence Id Used 2 llll ll 3 a Waypoint latitude N S Used 4 yyyy yy 5 a Waypoint longitude E W Used 6 c c Waypoint identifier Used VHW Water speed and heading VHW x x T x x M x x N x x K Field Format Name Comment 1 VHW Sentence Id Used 2 x x 3 T Heading degrees true Used 4 x x 5 M Heading ...

Page 57: ...y yy 5 a Longitude 2 decimals only 6 hhmmss ss UTC of position 7 A Status 8 a Mode indicator Rnn Routes old NMEA versions Can only be used for output of working active route It is recommended to use the RTE sentence instead if this sentence Rnn cccc cccc cccc Field Format Name Comment 1 Rnn Sentence id and route identifier nn is always 00 2 cccc Waypoint identifier first 15 cccc Waypoint identifie...

Page 58: ...Red 4 x x RAIM Radius Float RAIM Radius in meters 5 x x Prob HPR Float Max allowed probability in for that the position is outside the RAIM Radius Fixed 5 0000 6 x x Prob False Float Max allowed probability in for that the RAIM calculation is wrong Fixed 5 0000 Proprietary Input Sentence The following proprietary sentence can be input to the R4 Navigation System PSTT 510 Set RAIM Accuracy Level Th...

Page 59: ...nsponder The connections of the front plug port are directly forwarded to the 9 pin connector plug available on the front of the R4 Display The pin numbering of the front plug is described in the figure below Front plug pin numbering The connections between the signal cable and the front plug are listed in following table Internal Signal to Front plug connections in the R4 Display Front plug Signa...

Page 60: ...8 5 RG 225 0 3 10 9 23 3 For optimum performance of the R4 Navigation Sensor 12 dB should remain after subtraction of cable loss from the antenna pre amplifier gain Thus a maximum of 18 dB signal loss is allowed in the antenna cable when using the 30 dB gain MGA 2 GPS antenna or MGL 4 Combined GPS Beacon antenna Given this criteria the following recommended cable maximum lengths have then been cal...

Page 61: ... such as GPS and GLONASS GPS Global Positioning System HF High Frequency IALA International Association of Lighthouse Authorities IEC International Electro technical Commission IMO International Maritime Organization LED Light Emitting Diode MSAS MTSAT Satellite Augmentation System Japan N A Not Applicable NMEA National Marine Electronics Association RTCM Radio Technical Commission for Maritime Se...

Page 62: ... figure illustrates how to wire the R4 Display and R4 Navigation Sensor to each other and to the power source Caution The power and data cable shield and signal GND leads as well as the GPS antenna cable shield are referenced to 24V DC Do not connect to the ship s structure ...

Page 63: ...he attached serial port is able to provide enough power To do this connect the device to the DP RS 232 port and then turn the SW4 switch to Test mode If the LED lights up the device is receiving enough power If the LED does NOT light up you will need to use an external power supply SW4 RTS CTS DTR RX TX CD DSR GND from DP from DP from DP from External PS if unable to self power 3 DIP switches on b...

Page 64: ... is connected to the navigation sensor internal ground referenced to the negative DC supply for the unit For this reason the free end of the cable shield must not be connected to the ship s structure For the same reason don t connect the Navigation Sensor alarm acknowledge ground the speed log pulse ground or the cable shield for the GPS antenna to the ship s structure ...

Page 65: ...Junction Box Wiring Guide C Nav World DGPS 730 East Kaliste Saloom Rd Lafayette La 70508 USA Tel 1 337 210 0000 Fax 1 337 261 0192 E mail cnav support cnavgps com ...

Page 66: ...r DGPS information publications billing and shipping contact C Nav General E mail cnav cnavgps com Phone 1 337 210 0000 Regional Office Contacts North America Lafayette 1 337 210 0000 Houston 1 713 468 1536 South America Rio De Janeiro 55 21 22102555 Africa South Africa 27 21 702 1870 Angola 244 222 330202 Asia Singapore 65 629 59 738 Europe UK 44 1284 388631 Germany 49 3841 334240 For information...

Page 67: ...ced nor used for any other purpose than the subject of this manual ii Disclaimer While reasonable care has been exercised in the preparation of this installation guide C C Technologies Inc shall incur no liability whatsoever based on the contents or lack of contents in the installation guide iii Validity of this Document This installation guide is valid for the J4N Junction Box part number SAA7000...

Page 68: ...it Board 3 3 MOUNTING THE BOX 5 4 CONNECTING R4 NAVIGATION SENSOR AND DISPLAY CABLES 5 4 1 Installing the R4 Navigation Sensor Power and Data Cable 5 4 2 Installing the R4 Display Power Cable 6 4 3 Installing the R4 Display Signal Cable 6 5 REDUNDANT COMBINED AIS NAV INSTALLATIONS 7 5 1 Redundant System Installation 7 5 2 Combined AIS Nav System Installation 8 6 TECHNICAL SPECIFICATIONS 10 Appendi...

Page 69: ...tion are found in the Installation Manual for the R4 Navigation System part number SAA7000 109 009 The main part of this installation guide concerns the basic stand alone navigation configuration Additional information related to dual redundant and combined AIS navigation installations are provided in chapter five 1 2 Unpacking the equipment When unpacking the equipment please check that the follo...

Page 70: ...er Cable part number SAA7000 108 132 R4 Display Signal Cable part number SAA7000 108 133 The basic configuration is shown below Figure 1 Overview of R4 Navigation System installation 2 3 Power Supply The R4 Navigation System sensor and display is designed to operate on 24 volts DC The nominal power used by the display and sensor is 11 2 W The J4N Junction Box includes the required fuses for the di...

Page 71: ...witch may be connected to an audible alarm device or the ship s alarm system An external switch for acknowledge of alarms may also be connected The R4 Navigation System also facilitates alarm messages and acknowledge of alarms in serial NMEA format Refer to the R4 Navigation System installation manual for details 2 6 J4N Circuit Board The components and available connections of the J4N circuit boa...

Page 72: ...rminal block for R4 Navigation Sensor System Port Tx lines K11 Terminal block for User Port 1 K12 Auxiliary terminal block for User Port 1 Tx lines K13 Terminal block for speed log pulse output K14 Terminal block for external alarm acknowledge switch K15 Terminal block for alarm relay NC normally closed NO normally open refers to the normally powered state of the relay under no alarm conditions K1...

Page 73: ...tion system for details relating to the external interfaces if required 5 Clamp the cables to the clamp area located on the front of the box 6 Fix the lid to the box casing 7 If needed also clamp the cable outside the box 4 CONNECTING R4 NAVIGATION SENSOR AND DISPLAY CABLES 4 1 Installing the R4 Navigation Sensor Power and Data Cable Connect the R4 Navigation Sensor power and data cable to the J4N...

Page 74: ...f the R4 Display power cable is not used in the cable or display It is not connected to the other shields in J4N and may be left unconnected Figure 5 Power connection between J4N and the R4 Display 4 3 Installing the R4 Display Signal Cable Connect the signal cable for the R4 Display to the J4N Junction Box terminal block K3 as indicated in figure 6 below Figure 6 Signal connection between J4N and...

Page 75: ...ttings In order to accomplish this the Tx lines of the User 3 port on one system shall be connected to the Rx lines of the other system and vice versa Refer to figure 7 for a suggested configuration using two J4N Junction Boxes In order to enable synchronized operation one unit must be configured as master and the other unit as slave For further details refer to the operators manual for the R4 Nav...

Page 76: ...r system using a single display A suggested installation using the J4N Junction Box and a J4 Junction Box for the AIS transponder system part number SAA7000 100 165 is outlined in figure 8 Figure 8 R4 Combined AIS and Navigation System installation Optionally the R4 Display signal cable leads can be connected directly to the terminal blocks of J4 J4N Junction Boxes as follows ...

Page 77: ...ay data cable lead Display connector pin J4N K3 R4 Display R4 Sensor port Rx A Gray 11 J4N K3 R4 Display R4 Sensor port Rx B Pink 10 J4N K3 R4 Display R4 Sensor port Tx A White 5 J4N K3 R4 Display R4 Sensor port Tx B Brown 2 J4 K3 Pilot Rx A Red Blue 15 J4 K3 Pilot Rx B Gray Pink 18 J4 K3 Pilot Tx A Violet 13 J4 K3 Pilot Tx B Black 16 J4 K6 Display Rx A Green 3 J4 K6 Display Rx B Yellow 1 J4 K6 Di...

Page 78: ...CATIONS PHYSICAL Dimensions Height 37 millimeters Width 262 millimeters Depth 130 millimeters Weight 0 95 kilograms J4N ALARM RELAY Max switching current 3 A Max switching voltage 250 VDC or 230 VAC Max switching power 60W DC or 120 VA AC resistive load ...

Page 79: ...TECHNICAL SPECIFICATIONS Page 11 ...

Page 80: ...TECHNICAL SPECIFICATIONS Page 12 APPENDIX A J4N SCHEMATIC ...

Page 81: ...TECHNICAL SPECIFICATIONS Page 13 APPENDIX B J4N PCA LAYOUT ...

Page 82: ...White R4 Display R4 Sensor GPS Shield 1 Shield 2 C Nav1000 J4N Junction Box TXB TXA RXB RXA Shield TXB TXA Shield TXB TXA RXB RXA Shield User Port 1 User Port 3 User Port 2 24v 24v 24v 24v 24vdc RS 422 to DP RS 422 to DP RS 422 to DP Signal Cable Sensor Cable Power Cable Sensor cable Shield 2 should be left unconnected It should be trimmed as short as possible and the remainder wrapped in electric...

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