Simrad MX521, Manual

Page 1: ...www simrad yachting com A brand by Navico Leader in Marine Electronics Manual Simrad MX521 MX521A MX521B GPS DGPS Sensor English ...

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Page 3: ...oduct and the documentation at any time Updated manuals are available from our website www navico com commercial or www simrad yachting com and are free to download Copyright 2016 by Navico Holding AS Document no 727052 Revision C Date July 2016 The original language for this document is English In the event of any discrepancy between translated versions and the English version of this document th...

Page 4: ...responsibility to install and use the equipment in a manner that will not cause accidents personal injury or property damage The user of this product is solely responsible for observing safe boating practices NAVICO HOLDING AS AND ITS SUBSIDIARIES BRANCHES AND AFFILIATES DISCLAIM ALL LIABILITY FOR ANY USE OF THIS PRODUCT IN A WAY THAT MAY CAUSE ACCIDENTS DAMAGE OR THAT MAY VIOLATE THE LAW Governin...

Page 5: ...21A MX521B 3 Copyright Copyright 2016 Navico Holding AS Warranty The warranty card is supplied as a separate document In case of any queries refer to the our website www navico com commercial or www simrad yachting com ...

Page 6: ...GLONASS 10 3 Installation 11 MX521 Antenna Mounting Guidelines 11 MX521 Connector 12 Antenna Mounting 13 Bracket Mount 13 Surface Mount 13 Antenna Cable Selection 15 Power Requirement 16 Antenna Cable Assembly 16 MX521 Connector Configuration 17 Data Interface to MX420 2 or MK12 CDU 18 Data Interface to MX420 8 or MX420 AIS CDU 19 Data Interface to PC or Other Navigation Systems 20 MX521 Programmi...

Page 7: ...1B 5 Data Interface to MX61x Junction Box 23 4 Specifications 25 GPS Receiver 25 Beacon Receiver MX521A DGPS model only 25 MX521B D GNSS Receiver 27 5 Data Output 31 NMEA 0183 Data Output Sentences 31 List of abbreviations 37 ...

Page 8: ...an be controlled to function in several modes namely GPS only Differential correction search mode in Auto Database or Manual WAAS Wide Area Augmentation System US system EGNOS European Geostationary Overlay System RAIM Receiver Autonomous Integrity Monitoring The MX521 sensors were designed to be used as Source of GPS DGPS positioning for MX CDUs including MX61x MX51x series CDUs Retrofit of IMO c...

Page 9: ...LONASS 000 11641 001 or MX521B DGPS smart antenna with GLONASS 000 11640 001 The antenna cable assembly is not included and must be ordered separately Please specify the cable length required Below are available lengths in stock 20 meters 3508 102 70170 40 meters 3508 102 70180 60 meters 3508 102 70640 80 meters 3508 102 70185 MX521 Kit ...

Page 10: ...led by a Control Display Unit CDU like the MX420 MX500 MX51x GN70 or MX61x series to operate in Automatic Beacon Search Manual Tune or Database modes The Database mode allows the beacon receiver to store the almanac of 10 stations that are closest to its present position This feature complies with the IEC 61108 4 specifications The combined performance of the high precision GPS and GPS GLONASS rec...

Page 11: ...oblems at particular reference stations GLONASS Overview MX521B only GLONASS is a global satellite navigation system developed by the Soviet Union providing real time position and velocity determination for military and civilian users The GLONASS satellites are located in orbits at 25 510 km altitude with a 64 8 degree inclination GLONASS orbit makes it especially suited for use in high latitudes ...

Page 12: ...on 24 satellites using 12 different frequencies This was made possible by using the same frequency on antipodal satellites These are satellites that are in the same orbital plane but are separated by 180 Antipodal Satellites Both satellites are transmitting on the same frequency GPS and GLONASS Combining the GPS and GLONASS system provides the following advantages Better signal acquisition times B...

Page 13: ...nas by 5 meters or more Locate the antenna at least 10 meters away from and out of the transmitting beam of radar INMARSAT and other high power transmitters Mount the antenna low to avoid excessive position and speed errors while underway Mount the antenna as far away as possible from large metal structures Mount the antenna about 1 meter away from the compass If you are not sure if the chosen loc...

Page 14: ...nd signal assignments Pin Wire Color MX521 DGPS Antenna MX521 GPS Antenna 1 BLK Negative Ground 2 RED 9 32 VDC 3 BLU MX Proprietary Message MPM In 4 BRN MX Proprietary Message MPM In 5 ORG GPS Out 6 GRN GPS Out 7 YEL Beacon Status Out Not used 8 WHT Beacon Status Out Not used 9 PRPL RTCM IN 10 PRPL GRY RTCM IN 10 meter min 10 m m in RADAR ANT 3 m MOUNT THE MX521 10 m min FORWARD OF MAIN MAST 1 m 1...

Page 15: ...l snug Do not overtighten A 10 pin male plastic connector is mounted at the underside of the antenna for power and data connection MX521 Bracket Mounting Surface Mount The MX521 can also be surface mounted Make sure there is at least 5 inch clearance underneath the mounting surface to accommodate the lower section of the MX521 housing connector and cable Refer to the figure below for surface mount...

Page 16: ...tion for the antenna that has a clear view of the sky Make sure there are no major obstructions or metal fixtures in the immediate proximity to the antenna The GPS antenna relies on direct line of sight signal reception If you are unsure if the chosen location is suitable it is advisable to mount the antenna in a temporary manner to verify correct operation MX521 Surface Mount 2 mm mounting screws...

Page 17: ...length please refer to the antenna cable list below for cable description and part number Antenna Cable with One 10 Pin Connector for all models Part Number Description 3508 102 70170 20 meter 3508 102 70180 40 meter 3508 102 70640 60 meter 3508 102 70185 80 meter Antenna Cable with both ends terminated with 10 Pin Connectors for direct connection to MX5xx Series CDU Part Number Description 500 10...

Page 18: ...d wire connects to the DC power while the black wire is the negative return Although the MX521 has a reverse polarity protection it is prudent to make sure that proper polarity is observed before making the connection Reverse polarity connection may damage the unit Antenna Cable Assembly Below is a diagram showing the pins and wire color coding of the antenna cable assembly Power Data Cable Assemb...

Page 19: ...t to the MX420 or other NMEA 0183 compatible devices Pins 7 8 Beacon monitoring signal output Sends the SNR Signal and Frequency to the CDU Connects to Cable B of the MX420 8 CDU Pins 9 10 External RTCM Correction Input 1 6 9 1 0 2 3 8 4 7 5 Pin Wire Signal 10 Prpl Gry 9 Purple 8 White Beacon Status Out 7 Yellow Beacon Status Out 6 Green GPS Out 5 Orange GPS Out 4 Brown MPM IN 3 Blue MPM IN 2 Red ...

Page 20: ...ed 12 VDC 16 Red Wht 1 Blk Shield Blk GND Grn GPS Out Org GPS Out Brn MPMIn Blu MPM In 8 Org 9 Org Wht 10 Yel 11 Yel Blk In A In A In B In B Out A Out A Out B Out B 4 Brn 5 Brn Wht NMEA2 Tx RS 232 Ext Alarm 6 Prpl 7 Prpl Wht 12 Grn 13 Grn Wht 14 Blu 15 Blu wht 17 Gry 18 Blk Wht 3 Blk 12 32 VDC Supply NMEA1 I O NMEA2 I O MX420 2 or Mk12 CDU Cable A Terminal strip User supplied ...

Page 21: ...ple Purple Gray 5 Brn Wht Terminal Strip User Supplied Red 12 VDC 16 Red Wht 1 Blk Shield Blk GND Grn GPS Out Org GPS Out Brn LPM In Blu LPM In 8 Org 9 Org Wht 10 Yel 11 Yel Blk In A In A In B In B Out A Out A Out B Out B 4 Brn 5 Brn Wht NMEA2 Tx RS 232 Ext Alarm 6 Prpl 7 Prpl Wht 12 Grn 13 Grn Wht 14 Blu 15 Blu wht 17 Gry 18 Blk Wht 3 Blk 12 32 VDC Supply NMEA1 I O NMEA2 I O MX420 8 CDU Ext RTCM ...

Page 22: ...d data output connections to the serial port of a PC or other navigation systems using a dB9 connector and a terminal strip user supplied items MX521 Interface to Other Navigation Systems Red 12 VDC BL k GND Grn GPS Out Org GPS Brn MPM In Blu MPM In 12 32 VDC Supply 1 2 3 4 5 6 7 8 9 9dB PC Connector ...

Page 23: ...se note that external 12 volt DC is required to power up the MX521 Connect the red wire to 12 VDC and Black wire to negative GND The RS422 RS232 converter may be powered from the PC serial port or from an external 12 volt power supply MX521 Programming Cable Diagram GRN ORG BRN BLU RED BLK 12 32VDC NEG TD A TD B RD A RD B GND 12V RS422 RS232 B B Electronics RS422 RS232 Converter Model 422LP9TB 10 ...

Page 24: ...rs are available in 3 20 and 40 meter lengths MX5xx Antenna Interface to MX521 RED RED BLK BLK BLU BLU BRN BRN ORG ORG YEL YEL PRPL PRPL GRY GRY GRN GRN WHT WHT P N 3508 102 70150 10 PIN CABLE ASSY 3 METERS MX5xx CDU MX5xx CDU MX521 MX521 UPPER LOWER GRN MX500 JUNCTION BOX NOTE OTHER COMPONENTS AND CONNECTIONS IN THE MX 500 JUNCTION BOX ARE NOT SHOWN AUX ANT PWR DATA ...

Page 25: ...am below to interface the MX521 to GN70 MX61x CDU via MX61x JB GN70 MX61x MX61xJBandMX521diagram T T 12 24V DC MX61xJB 12 24V DC Where N2K Backbone Drop line NMEA 0183 line GN70 MX61x MX521 MX521A MX521B Ports 3 4 Port 2 Port 1 MX525 MX525A MXB5 ANT Coax Cable Option ...

Page 26: ...24 Installation Normal operation approx 1 Hz flashing RX data flashing when receiving data from antenna Supply before fuse steady green MX521toMX61xJBwiringdiagram ...

Page 27: ...corrections from Beacon Stations 1 meters 2D RMS typical depending on distance from differential base station Without differential corrections 3 m 2D RMS with S A off Serial Ports 2 duplex NMEA 0183 ports Baud Rates 4800 default 9600 19200 Data I O Protocol NMEA 0183 V3 0 Correction I O Protocol RTCM SC 104 Datum WGS84 NMEA messages GGA GRS GSA GSV GST RMC VTG ZDA PMVXG GBS MX Marine proprietary B...

Page 28: ...60945 Mechanical Dimensions Height 102 mm 4 0 in Diameter 182 mm 7 1 8 in Weighs MX521 DGPS 820 grams 1 8 lbs without cable MX521G 600 grams 1 3 lbs without cable Mount 1 14 TPI pole mount Surface mounting 5 1 4 hole Electrical Operating voltage range 10 5 to 32 VDC Operating current 230 mA at 12 0 VDC Power Consumption 3 Watts Certifications 96 98 EC as amended by directive EU 2015 559 CE and FCC...

Page 29: ...Specifications Receiver Type GNSS L1 Receiver Signals Received GPS GLONASS Channels 270 GPS Sensitivity 142 dBm SBAS Tracking 2 channel parallel tracking Update Rate 1 Hz standard 20 Hz optional Positioning Accuracy RMS 67 Horizontal Vertical Single Point 1 1 2 m 2 5 m SBAS WAAS 2 0 3 m 0 6 m Code Differential DGPS 3 0 3 m 0 6 m Compass Safe Distance 75 cm with enclosure 4 Cold Start 60 s no alman...

Page 30: ... 36 A nominal GPS L1 GLONASS L1 0 38 A nominal GPS L1 GLONASS L1 Beacon Power Isolation Isolated to enclosure Reverse Polarity Protection Yes Environmental Operating Temperature 30 C to 70 C 22 F to 158 F Storage Temperature 40 C to 85 C 40 F to 185 F Humidity 95 non condensing Shock and Vibration Mechanical Shock EP455 Section 5 14 1 Vibration EP455 Section 5 15 1 Random EMC CE IEC 60945 Emission...

Page 31: ...second time constant 4 This is the minimum safe distance measured when the product is placed in the vicinity of the steering magnetic compass The ISO 694 defines vicinity relative to the compass as within 5 m 16 4 ft separation 6 NMEA 0183 only Simrad reserves the right to make changes in its products and specifications without notice ...

Page 32: ...30 Specifications Blank page ...

Page 33: ... Latitude N S 4 5 Longitude E W 6 GPS Quality Indicator 0 Fix not available or invalid 1 GPS SPS Mode fix valid 2 Differential GPS SPS Mode fix valid 3 GPS PPS Mode fix valid 7 Number of Satellites in use 00 12 may be different from the number in view 8 Horizontal Dilution of Precision HDOP 9 Antenna altitude mean sea level geoid 10 Units of antenna altitude Meters 11 12 Geoidal Height Meters 13 A...

Page 34: ...hen GRS is used GSA and GSV are generally required 3 GSA GPS DOP and Active Satellites GPS receiver operating mode satellites used in the navigation solution reported by the GPGGA sentence and DOP values Notes 1 Mode M Manual forced to operate in 2D or 3D Mode A Automatic allowed to automatically switch 2D 3D 2 Mode 1 Fix not available 2 2D 3 3D 3 14 PRN numbers of satellites used in solution null...

Page 35: ...ees 90 degrees maximum 6 Azimuth degrees True 000 to 359 7 SNR C No 00 99 dB null when not tracking 8 2nd and 3rd SV 9 10 11 12 4th SV 5 RMC Recommended Minimum Specific GPS Data Time date position course and speed data provided by a GPS navigation receiver This sentence is transmitted at intervals not exceeding 2 seconds All data fields must be provided null fields used only when data is temporar...

Page 36: ...solution the talker ID is GP GL etc and the error data pertains to the individual system If satellites from multiple systems are used to obtain the reported position solution the talker ID is GN and the errors pertain to the combined solution Notes 1 UTC time of the GGA or GNS fix associated with this sentence 2 RMS value of the standard deviation of the range inputs to the navigation process Rang...

Page 37: ...d degrees Magnetic 5 6 Speed over ground knots 7 8 Speed over ground km hr 9 Mode indicator A Autonomous mode D Differential mode E Estimated DR M Manual input mode S Simulator mode N Data not valid 8 ZDA Time and Date UTC day month year and local time zone Notes 1 UTC 2 3 4 Day month year 5 Local zone hours 00 to 13 hrs 6 Local zone in minutes 00 to 59 GPVTG x x T x x M x x N x x K a hh CR LF 1 2...

Page 38: ... GNS fix associated with this sentence 2 Expected error in Latitude meters 3 Expected error in Longitude meters 4 Expected error in Altitude meters 5 ID number of most likely failed satellite 6 Probability of missed detection for most likely failed satellite 7 Estimate of bias in meters on most likely failed satellite 8 Standard deviation of bias estimate 9 RAIM status mode 0 safe 1 caution 2 unsa...

Page 39: ...m GNSS Global Navigation Satellite System GPS Global Positioning System HDOP Horizontal Dilution Of Precision IMO International Maritime Organization NMEA National Marine Electronic Association PDOP Positional Dilution Of Precision RAIM Receiver Autonomous Integrity Monitoring RTCM Radio Technical Commission For Maritime SBAS Satellite Based Augmentation System VDOP Vertical Dilution Of Precision ...

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