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MX420 Navigation System - Simrad Professional Series

1. 69 Memory Backup Battery u 71 Backup Battery 71 MX420 PC Interface 71 Software Download Procedure 71 Memory Clear Procedure 72 Listof Components MX 420 Installation and Service Manual SECTION 1 LIST OF COMPONENTS MX 420 Installation Service Manual Listof Components Listof Components MX 420 Installation and Service Manual List of Components Table 1 0 MX Marine Antenna Units 1 421 10 Smart DGPS 1 9525 200 80110 Antenna MX521 Smart DGPS 1 eo o E ea NUT Table 1 4 Standard Parts for 420 2 Model seen os sawas 05 MX420 2 Control and Display 1 9525 200 78000 System Consisting of MX420 2 Port Control and Display 3508 102 70200 2 6 Unit 1 2 Mounting Bracket 3508 101 38472 121 1 3 Mounting Kit 1 3508 102 03140 1 4 Power NMEA Cable Cable A 3508 102 70010 1 5 MX420 Operator s Manual 3508 102 70040 1 7 MX420 Installation Service Manual 3508 102 70060 1 8 Tide Table Manual 3508 101 89490 2 0 MX421 Smart GPS antenna System 1 Consisting of 2 1 MX421 10 Smart GPS Antenna 9525 200 80100 Not Included with Item 1 0
2. BE C V C 2 8 G p Ne 147 5 mm Z M 6290 11 400 Figure 3 3 Gimbal Mount ___ MX420 Installation Service Manual 420 Flush Mount Hole Size Requirements 119mm Mnimum Bend Radius 50 mm Figure 3 4 Standard Flush Mount and Cable Clearance 420 Installation Service Manual MX 420 Flush Mount Frame 119 Hole Size Requirements FLUSH MOUNT FRONT PANEL REAR PANEL Figure 3 5 Optional Flush Mount Frame Installation 420 Installation Service Manual 182 mm S _ 8 1 in 14 TPI 20 1 IN DIA MOUNTING POLE USER SUPPLIED Figure 3 6 MX421 B Antenna Dimensions and Mount Specifications 420 Installation Service Manual SECTION 4 ELECTRICAL INSTALLATION DRAWINGS 420 Installation Service Manual 420 Installation Service Manual 21529 2 02 4 yndu OCA Z ZL 1X3 OGA 4 1uv EV3INN 227 5 4 220 5 4 027 x LV3IAN Ieuluu l XN Lev XW 42
3. Front View 174 PRPL WHT NMEA8 Out B 18 ANT GRY not used NCH GRY BLK connected Figure 4 11 Cable Wiring Configuration Only MX420 8 420 Installation Service Manual CONN A POWER Input NMEA1 NMEA2 NMEA3 GPS Ant Data EXT ALARM 12 VDC TOANTENNA Figure 4 12 MX420 2 Rear Panel Connector CONN A POWER Input NMEA1 NMEA2 Datal O EXT ALARM OUTPUT 12 VDC TO ANTENNA BNC CONN 1 PPS OUTPUT optional CONN B Digital 1 Digital 2 NMEA4 BEACON Data 1 0 EXT MOB EVENT NMEAS NMEA6 1 PPS 9 NMEA10 Figure 4 13 MX420 8 Rear Panel Connectors 420 Installation Service Manual White Beacon Status Out Yellow Beacon Status Out Green GPS Out Orange GPS Out Black GND Red 12 VDC in Blue LPM In Brown LPM In MX421 8 Pin Conn 421 8 Pin Conn Pin Wire Signal MX420 2 or MK12 8 White Beacon Status Connected 7 Yellow Beacon Status Out Not Connected 6 Green GPS Out Cable A Orange 5 Orange GPS Out Cable A Orange White 4 3 2 1 Brown LPM IN Cable A Yellow Blue LPM IN Cable A Yellow Black Red 12 VDC Cable A Red White Black GND Cable A Pin 1 Shield GND Note x 7 Connect to Cable B Brown White for MX420 8 or MX420 A
4. I 81 v 1op uuoS 420 Installation Service Manual 2 0 meters 34 cable A 18 Pin Female Connector 18 Pin Female Connector 2 Cable A 1 2 RED PWR In 12 32 16 RED WHT 12 Out to Ant J Red 4 BRN NMEA1 In A x BRN WHT NMEA1 Brown 6 PRPL NMEA1 Out A 7 V PRPL WHT NMEA1 Out B 8 ORG GPS In A from Ant GPS In B Orange 10 o A YEL NMEA3 GPS Out A to Ant LX YEL BLK NMEA3 GPS Our Jetow 12 AR NMEA2 In 13 GRNAWHT NMEA2 In B Green 14 Parr BLU NMEA2 Out A 15 XX BLU WHT NMEA2 Out el I 25 BLK PWR In Black Conn A Pin Assignments 18 4 BLK WHT ALARMout Front View GND Mx421 17 GRY RS 232 TxD NMEA2 Out NCH GRY BLK Not Used Figure 4 9 Cable A Wiring Configuration 420 Installation Service Manual EL 2 0 meters cone 18 Pin Male Connector 18 Pin Male Connector Cable B 1 Shield GND 20 BLK DIGITAL2 In Log 3 BLK WHT DIGITAL1 In Black 4 AAA BRN NMEA4 Beacon In A From Ant 5 XXX BRN WHT NMEA4 Beac
5. 9 Out B gt RS 422 In DaD 9 ORG WHT NMEA10 In DD 10 Fy YEL 10 Out Dx PORTIO tt V YEUBLK INMEATOOut RD gt RS 422 12 GRN 7 In A DD 5 13 N GRN WHT NMEA7 In DaD PORT7 Tx Rx 14 Pyy BLU NMEA7 Dad b RS 422 15 V BLU WHT NMEA Out D gt 16 T PRPL Out A Ded 17 PRPLAWHTINMEA8 Out 8 Dad PORTS T3 18 GRY not used Dal RS 422 GRY BLK not connected D lt e NMEA4 Fixed at 4800 Baud Rate Figure 4 4 MX420 8 Wiring Diagram 420 Installation Service Manual tuu s S 9 0 S r IV3WN P NI LV3NN I IV3WN LYANN v ZIOZYXIN 8 420 Installation Service Manual 043002 eng 218 0ZbXN 9 OL e3 614 pue s lqeO uo site p 104 5 asng
6. MX 420 Installation Service Manual DESCRIPTION DESCRIPTION 7 Autopilot Sentence A Navigation Information Recommended Minimum Autopilot Sentence B RMC Specific GPS Transit Data Bearing 8 Distance to Waypoint Great Rate of Turn Circle Bearing amp Distance to Waypoint Rhumb RTE Routes Line Datum Reference Loran C SNR Status GPS Fix Data Set amp Drift Geographic Position Latitude VHW Water Speed and Heading Longitude 45 221 fires Receiver Interface G Wayan to Destinati n APA and SNU are older sentence formats version 1 5 not recommended for new designs Table 5 1 NMEA 0183 Output Sentences Input NMEA 0183 Sentences The MX420 recognizes version 1 5 2 0 2 1 and 2 3 NMEA input records The MX420 can utilize the following input sentence formats Depth DBK DBS DBT and or DPT Gyro HCC HDM HDT RMA only when GPS is not available RMC only when GPS is not available VTG only when GPS is not available Position GLL RMA RMC only when GPS is not available MX 420 Installation Service Manual Speed RMA RMC VHW VTG only when GPS is not available or pulses per second Transducer MMB XDR Waypoints The received WPL data will overwrite the memory content of the waypoint loc
7. P Q N Cable B Connector C 18 Pin Optional MX421B or 3rd Party Smart GPS Antenna To a Battery Backed Up Alarm Power Supply NMEA Equipment Terminal Blocks Shield GND Pwr In 12 32 Vdc RED RED WHT 12 V Out to Mx421 RED BRN NMEA1 In A BRN WHT In DiD PRPL NMEA1 Out A HO PRPLANHT NMEA1 Out Hh ORG NMEA3 GPS ED GRN ORG WHT NMEA3 GPS In B KD YEL GPS Out DKD BRN No YEL BLK NMEA3 GPS Out B DKD BLU GRN NMEA2 In A DaD N C GRN WHT NMEA2 B Ext BLU NMEA2 Out 047 Alarm Relay BLU WHT NMEA2 Out 8 BLK Pwr In pap Bis BLK WHT ALARM Out SD Shield Gnd to MX421 BLK GRY RS 232 TXD GRY BLK Not Connected ED 2 Fuse Power Supply Shield GND 9 _ 12 32 VDC BLK Digital In 2 p BLK WHT Digital In 1 p BRN NMEA4 Beacon In XDsD 1 wur BRN WHT NMEA4 Beacon In 404 YEL RED Event gt x REDANHT Not Connected DD ORG NMEAS In Q ORG WHT 5 In B um 9 YEL NMEAS Out YEL BLK 5 Out B ku GRN NMEAG In A GRN WHT NMEAG In BLU NMEAG Out A BLU
8. 0183 standard All NMEA interface ports are configured for RS 422 standard This configuration complies with NMEA 0183 version 2 0 and later The NMEA2 port can be either as RS 422 as RS 232 Only of these two electrical interfaces may be implemented at any given time on port 2 The RS 232 port standard is used to connect to a personal computer or any other RS 232 or single ended interface The RS 422 electrical interface will almost always work with the older NMEA 0183 version 1 5 electrical interface both of which are balanced line interfaces If for some reason you can t get this interface to work try the Port 2 RS 232 interface Other features available only from the MX420 8 are External Man Over Board switch input also used for external Event input Pulse Counter inputs for the speed log Additional NMEA ports NMEA 5 through 10 Optional 1 PPS output Refer to Section 4 of this manual for wiring information Note The MX420 AIS MKD is used primarily as a display and control unit for the MX423 AIS transponder but can also perform all the navigation features of the MX420 8 when a MX421 antenna is connected to it External Man Over Board amp Event MX420 8 Only A momentary closed switch can be connected between the pin 6 MOB Event input and REF GND on cable B Connect the appropriate MOB Event pins to a normally open switch The Man Over Board MOB function is activated when the switch
9. 2 meters long and are clearly tagged with the letter designation near the connector end Cable is pre wired with a female 18 pin connector while cables B and C are pre wired with male 18 pin connectors These data cables are not interchangeable When ordering these cables please specify the part number and description as described in the list of components in Section 1 of this manual Wire Preparation Procedure Cables A B amp C are all 9 pair shielded cables We recommend that the main cable insulation black plastic be stripped about 5 inches back to expose the 9 color coded leads Stripping each of these leads will expose the two wires in each pair as follows RED Red amp Red White BROWN Brown amp Brown White PURPLE Purple amp Purple White ORANGE Orange amp Orange White YELLOW Yellow amp Yellow Black GREEN Green amp Green White BLUE Blue amp Blue White BLACK Black amp Black White GRAY Gray amp Gray Black Strip the individual wire insulation about 1 2 inch to make it more convenient to connect the wires to the terminal strip posts and cut the shield wires short if not used Use electrical tape or shrink tubing to protect exposed shield wires Use a 20 position terminal strips to terminate each cable This item is not supplied with the product we suggest getting it from a local electronic store For more wiring details please refer to pages 33 34 a
10. 420 Installation Service Manual 3508 102 70060 Table Manual 3508 101 89490 e 2 0 421 Smart DGPS Antenna 2 Not Included System with Item 1 0 Consisting of BERE __ _ 2 2 2 Antenna Cable Options 15 meters 725637 Option 20 meters 3508 102 70170 Option 40 meters 3508 102 70180 Option 90 meters 3508 102 70190 Option MX421 Installation Manual 723594 e Listof Components List Components MX 420 Installation Service Manual Table 1 5 MX420 AIS Model Description tems Description P N Remarks MK420 AIS Control and Display System 2 200 80000 Consisting of emes nenc sermo ers KECA MX421B 10 Smart DGPS Antenna 2 0 System Option Consisting of MX421B Smart DGPS Antenna 9525 200 80110 15 Meter Interface Cable or 725637 20 meters 3508 102 70170 40 meters 3508 102 70180 90 meters 3508 102 70190 MX421 Installation Manual 723594 MX 420 Installation Service Manual Listof Components Technical Specifications MX420 Installation and Service Manual SECTION 2 TECHNICALSPECIFICATIONS MX420 Installation and Service Manual Technical Specifications Technical Sp
11. A RED WHT NMEAQ Out B ORG NMEA10 In YEL 10 Out A YEL BLK NMEA10 Out B 11 GRN NMEA7 In A GRN WHT NMEA7 In 7 I ORG WHT NMEA10 In Qd BLU NMEA7 Out BLU WHT NMEA7 Out B 15 PRPL 8 Out PRPL WHT NMEA8 Out GRY Not Used GRY BLK Not Connected D XT ND CD Default port 8 setting Gyro BRN REDIWHT ORG X 9RGWHT BLUWHT GRNWHT HA Tx Alre High Speed Equipment Port RS 422 Sensor RS 422 High Speed Equipment Port RS 422 Default port 9 setting PILOT Default port 10 setting Speed Log Default port 7 setting ECDIS Figure 4 18 MX420 AIS CDU amp MX423 SAAB Transponder System Wiring Diagram 421 10 SMART DGPS NOT REQUIRED FOR MKD MX420 AIS MX531 AIS TRANSPONDER OR MX420 MKD ANTENNA GPS OUT GLL p e A S S3 SLL DTM VTG mu 4 5 5 3 5 amp 1 1 fiae Am AC 5 me 4 ECDIS L ARPA eS 1 _____ SPDLOG LONG SPEED piLoT ATLAS EXT PULSES RNG amp ROT ARPA ALARM Figure 4 19 MX420 AIS MKD C
12. Press the up down cursor key until the proper input port number is selected The data that you will see on the screen is unprocessed Therefore if there are errors in the data you can compare the data against the NMEA 0183 standard You can also use this screen to verify that data is being received from external RTCM sources or other equipment communicating with the MX420 Dual Control Remote Interface The Dual Control mode which is enabled in the CFG Dual Contr screen allows you to connect two MX420s in a Master Slave configuration where a common database is shared between two MX420 control heads This configuration also allows you to use one antenna connected to the Master unit for both MX420s The remaining data ports the MOB Event input port and the alarm output ports are still available on each unit for individual use on each MX420 The hardware interface is accomplished by connecting NMEA Output 1 to NMEA Input 1 between the two units MX420 8 or MX420 2 MX420 8 or MX420 2 MASTER UNIT SLAVE UNIT CABLE CABLEA PORT 1 PORT 1 SHIELD BRN NMEA1 IN PRPL NMEA1 OUT A BRN WHT NMEA1 IN b PRPL WHT NMEA1 OUT PRPL NMEA1 OUT BRN PRPL WHT NMEA1 OUT BRN WHT NMEA1 B SHIELD Mx421 ml No Antenna Connected Connected MX420 Dual Control Data Interface MX 420 Installation Service Manual The interface between the two un
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14. 535 NAUTICAST Transponder System Wiring Diagram 535 TRANSPONDER Figure 4 23 MX420 AIS MKD CDU 4 535 NAUTICAST Transponder System Wiring Diagram with JB 50 Junction Box N Type Female Male N Type 1 30mm D sub 50 pins Female Cable gland IP67 EN60529 VHF ANT crs ANT Cable gland IP67 EN60529 TNC Male TNC Female RG58 Halogenfree Cable gland IP67 EN60529 5 cable 21x2x0 14 6x1 0 halogenfree Terminal B 24VDC Output Only VNNALNV gt m a4 2 1804 31892 9 OZbXW e eje 3 gt 4 gt m eee 2 4 S 14049 104 31892 8 0ZkXH E w 8g as 2 14048 1 H 01803 gt m 5 5 7119 4 8 1 Y 3 12 24 VDC Refer to 535 AIS Transponder Technical amp Installation Manual for more details MX420 AIS OR 421 Remote Sensor Pwr Port MX420 MKD 3A Maximum Output Only 78 50 Junction Box GP OR I I a amp Note Port 5 In Out is hard wired to Ch4 ECDIS and Port 8 Out is hard wired to Ch2 Sensor 2 MX423 MX531 E
15. A Type Connector Cable B Type Connector Cable C Type Connector Antenna Type Connectors Antenna end Navigator end Antennas MX421 GPS Smart Antenna Unit Freq MX421B DGPS Smart Antenna Unit Freq Beacon Physical MX420 CDU Height Width Depth overall Depth flush mounted Depth for cables Weight Weight gimbal mount Technical Specifications Cast aluminum 18 Pin Male Conxall 18 Pin Female Conxall 18 Pin Female Conxall 9 Pair Shielded Wire 24x 0 20 mm 18 Pin Female Conxall 9 Pair Shielded Wire 24 x 0 02 mm 18 Pin Male Conxall 9 Pair Shielded Wire 24 x 0 20 mm 18 Pins Male Conxall 8 wire 24 AWG shielded 8 Pin Female Conxall None GPS 11 1575 MHz GPS L1 1575 MHz 283 5 325 KHz 145 mm 5 71in 271 mm 10 67in 53 mm 2 52in 24 5 mm 0 98in to wall 100 mm 3 in 1238 g 2 75 1 5 214 0 47165 a Technical Specifications MX420 Installation and Service Manual Cables Cable A 2 m 6 ft Cable B 2 m 6 ft Canle C 2 m 6 ft MX421 Antenna Height 89 mm 3 27 Diameter 182 mm 7 28 Cable Length Supplied 15 m Standard length Options 20 or 40 meters 420 Installation Service Manual Technical Specifications Environmental MX420 CDU Operating Temperature 4 5 4 draft 3 rd edition Storage Temperature 4 5 4 draft 3 rd edition Humidity Vibration Solar Radiation
16. Antenna Cable Options 15 meters 725637 20 meters 3508 102 70170 40 meters 3508 102 70180 90 meters 3508 102 70190 2 3 MX421 Installation Manual 723594 GPS only model For MX420 2B model substitute with MX421B 10 DGPS Antenna see table below 1 6 420 Operator s Quick Guide 3508 102 70050 MX 420 Installation Service Manual Listof Components Table 1 2 Standard Parts for MX420 8 Model 420 8 Control Display 1 9525 200 78010 System Consisting MX420 8 Port Control and Display 1 3508 102 70210 2 6 Unit Mounting Bracket 3508 101 38472 Mounting Kit 3508 102 03140 Power NMEA Cable Cable A 3508 102 70010 Cable Cable 3508 102 70020 Cable Cable 3508 102 70030 MX420 Operator s Manual 3508 102 70040 MX420 Operator s Quick Guide 3508 102 70050 420 Installation Service Manual 3508 102 70060 Tide Table Manual 3508 101 89490 Lr MX421 Smart GPS antenna 1 Not Included System Consisting of with Item 1 0 MX421 10 Smart GPS Antenna 9525 200 80100 1 1 Antenna Cable Options 15 meters 725637 20 meters 3508 102 70170 40 meters 3508 102 70180 90 meters 3508 102 70190 2 3 MX421 Installation Manual 723594 GPS only antenna model For 420 8 model substitute with MX421B 10 DGPS antenna See table below 1 0 1 1 1 1 1 1 1 1 1 1 2 0 4 2 3 4 5 6 7 8 9 10 24 22
17. BLK Not Used BLU WHT NMEA2 Out Ext Alarm Shorts to GND on alarm PORT2 RS 232 Programming Port Ref To Pin 3 Neg Power Input 7 12 32 VDC Log Input Pulses Connector B Male 14 Shield GND Digital In 2 3 M BLK WHT Digital In 1 4 NMEA4 Beacon In WHT BRNIWHT NMEA4 Beacon In YEL L PORT4 RX RED MOB Event gt To Ext MOB Switch RED WHT Not Used Ref To Power Grnd ORG NMEAS In A 920 ORG WHT NMEAS In B 5 Tx Rx YEL NMEAS Out A Del if RS 422 YEL BLK NMEAS Out B D GRN NMEA 6 In A Dad GRN WHT In B Dd BLU NMEA6 Out A D lt Tx Rx BLU WHT NMEAG Out B RS 422 PRPL WHT Not Used Ded PRPL Not Used GRY 1 PPS jj GRYIBLK Pes J Pap Ps a L J zm ptional e Connector 1 Shield 2 In A D INMEAS in e lt PORTS RX 4 BRN 9 In 5 85 422 5 BRNWHT NMEAG In B sy RED NMEA9 Out gt PORTS 7 N RED WHT
18. Control IM is enabled CFG1 Dual Control screen looks like this DUAL CONTROL Mode Master options Master Slave Dual Control Yes options Yes No GPS Source Automatic options Automatic Master Slave Integrity Alarm Yes options Yes No GPS Source Master options Master Slave Dual Status OK options OK No Comm Mirroring MX 420 Installation Service Manual To enable the functionality of the Dual Control Integrity Monitor you must set the following to Dual Control Yes GPS Source Automatic If you want the alarm to sound when the GPS source is switched Set the Integrity Alarm to Yes MX420 AIS Installation There are two variation of the MX420 AIS models namely 420 5 Basic System MKD MX420 AIS DGPS Navigation System The MX420 AIS Basic or MKD system is primarily a control and display unit CDU for the MX423 AIS transponder GPS Position data is supplied by the GPS engine in the transponder The MX420 AIS Basic does not perform navigation calcula tions Displays functions like the NAV TIDE and GPS are inactive In addition some display pages like POS3 AUX3 and 5 also inactive when MX421 smart GPS antenna is connected to the CDU A third party external GPS source may be used to provide position data to the transponder The MX420 AIS Navigation system performs both the CDU functions to the AIS transponder and navigation functions just like any regular
19. List of Components MX 420 Installation and Service Manual Table 1 3 Standard Parts for MX420 BR Dual Control Display System 1 0 MX420 8 Control and Display 1 9525 200 78010 System Consisting of 1 1 3508 10270210 26 Mounting Kit 2 3508 102 03140 2 0 MX420 2 Control Display Unit 9525 200 78000 Smart GPS Antenna System 1 Consisting of MX421 10 Smart GPS Antenna 1 41 MX421B 10 Smart DGPS Antenna 1 9525 200 80110 1 9 1 2 Antenna Cable Options 15 meters 725637 Component 1 1 6 4 5 7 9525 200 80100 1 1 20 meters 3508 102 70170 40 meters 3508 102 70180 90 meters 3508 102 70190 421 Installation Manual 723594 GPS antenna for MX420 8 GPS only installation use P N 9525 200 80100 For MX420 8B DGPS installation use P N 9525 200 80110 3 3 w MX 420 Installation Service Manual Table 1 4 MX420 BRIM Integrity Monitor Model Component Qty Part Number Wt Ibs 1 0 MX420 8 Control and Display 2 9525 200 78010 System consisting of MX420 8 Port Control and Display 3508 102 70210 21 Unit Mounting Bracket 3508 101 38472 Mounting Kit gt 3508 102 03140 Power NMEA Cable Cable A 3508 102 70010 Cable Cable 3508 102 70020 1 6 Cable Cable 3508 102 70030 MX420 Operator s Manual 3508 102 70040 i MX420 Operator s Quick Guide 3508 102 70050 i 1 9
20. MKD CDU amp MX535 NAUTICAST Tran sponder System Wiring Diagram 48 Figure 4 23 MX420 AIS MKD CDU amp MX535 NAUTICAST Tran sponder System Wiring Diagram with JB 50 Junction Box 49 SECTION 5 50 INSTALLATION NOTES 50 52 Electronic Connections 52 External c 52 Navigator Grounding 53 MX421 GPS ANTENNA INSTALLATION 53 Antenna Location ioc eei ce ere ce eere enean na ananas 53 Antenna Options edesvievertens 53 Antenna Connector 53 Antenna Cable Options 54 External Differential Connection 54 MX420 NAVIGATOR INSTALLATION 54 Gimbal Mounting 21i eter eren 55 Flush Mounting 55 Flush Mount Frame i222 00 cteccceccecccceeseceseresecenersezersddseaseensecsdeeczers 55 Tu
21. also use the DOS prompt under Windows 95 98 NT etc 7 At the command prompt type dlmx400 hex where hex is the program file name 8 The program will ask you to turn the navigator on When this has been done the file will be loaded into the download program and after a short while a short line starts to turn in the right hand side of the computer screen 9 The traffic lights will turn from red to yellow and then to green 10 When the download is finished the computer will return to the DOS prompt Turn the main power supply switch OFF and ON and verify the program version in the AUX 7 display Under the AUX7 screen press the left most softkey 3 times to show the complete program build number i e V1 5 751 Hint It is highly recommended that the MX420 navigator be cold started after downloading the program Please note that all settings including waypoints and routes will be lost This is important to flush out the residual memory which may cause problems with the operation of the unit Memory Clear Procedure 1 After downloading the software turn the power off to the MX420 by turning off the 12 VDC circuit breaker this may also be accomplished by removing the Cable A from the back of the unit 2 Press and hold down the right most softkey 3 Apply 12 volt power to the unit and wait for about 5 seconds The MX420 will come on and display the MX Marine logo 4 Release the softkey 5 The memory is
22. and in general there should not be any interface problems receiving data from the older standard Talker The talker output is a RS 422 output NMEA talker output B is active compared to GND or shield of the navigator In the old version output B was normally tied to GND or shield The maximum drive voltage between the talker A and B outputs is 6 volt Compared to the former 0 to 15 volt output the negative voltage between the talker A and B output may be a problem on older listeners which do not meet the new standard The minimum output voltage may be as low as 2 volt This is not compatible with the former 4 volt input threshold and may be the cause of interface problems If this is the case try using the MX420 s RS 232 interface This may more likely solve the problem Otherwise third party conversion boxes may be necessary Cables provided for the NMEA signals are shielded pairs If extension cables are needed be sure to use similar shielded pair cables in order to avoid spurious signal radiation More than one NMEA listener can be connected in parallel to the same NMEA talker The maximum number of listeners connected to a single talker is dependent on the combined listener input impedance s and the capacity available for data through put MX 420 Installation Service Manual MX420 0183 Sentences The NMEA Standard provides for asynchronous transmission with a single Talker and multiple Listeners
23. log output from the MX420 at a user determined pulse rate of 100 to 500 pulses per nautical mile 200 is the pre selected value The default condition of the Speed Over Ground output is not active Emulation emablech Output port 1 au Pulses per Hms 20 J Initial j Language 1Lightina j Lo m Change External Alarm Output The MX420 is held open floating during normal operations In an alarm condition the external alarm pin is switched to ground potential When an alarm condition is cleared or acknowledged the Ext alarm signal will return to open condition automatically refer to table below for relay conditions However it is possible to retain the external alarm condition by setting the Retain external alarm to ON At this setting the external alarm signal can only be cleared by correcting the problem Ext Alarm Relay Conditions MX420 turned OFF Energized MX420 Turned ON No Alarm Not Energized 420 Turned On Energized With Alarm TEMA 12 VDC Input Power Energized Failure MX 420 Installation Service Manual The external alarm is derived from the ALARMout port on cable A pin 18 Black White ALARMout The software is setup in each of the appropriate CFG1 Alarms menu The relay coil supply voltage
24. now cleared MX Marine A division of NAVICO Inc 23868 Hawthorne Blvd Suite 201 Torrance CA 90505 USA 1 310 791 8213 Telephone 1 310 791 6108 Fax Internet www mx marine com
25. per line Typical use includes information transfer from electronic positioning and navigational devices to autopilots plotters terminals printers etc The NMEA 0183 Standard uses an 8 bit ASCII block oriented protocol that is not compatible with the NMEA 0180 simple format or the NMEA 0182 complex format due to differences in data format baud rate and parity bits Data Format Data are transmitted in different sentences each containing or more data fields field consists of a string of characters immediately preceded by a comma charac ter except for the first address field which is preceded by indicating the begin ning of a new record Hex 0D lt CR gt lt LF gt end of sentence must follow the last field in each sentence The data fields are identified only by their position within the sentence as deter mined by the field delimiters comma Numerical data fields within a sentence may vary in length from one sentence to another depending on the precision available Data field position is therefore determined only by counting commas rather than counting the total number of characters from the beginning of the sentence The last data field is not followed by a comma delimiter When a checksum is used the last data field is followed an asterisk gt indicating that the checksum follows The checksum is the absolute value calculated by exclusive OR ing the 8 data bits no sta
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27. 574 olo olo o i m BLU NMEA2 Out A FD Alarm Relay m m m i 2 5 BLU WHT NMEA2 Out A lt 212210 BLK Pwr In 18 L BLKIWHT ALARM Out Shield Gnd to MX421 Da 17 GRY RS 232 TXD Da D no GRY BLK Not Connected ON 5 qp 18 4 Amp 1 Shield GND Power CDU Fuse ATLAS 84 1 a P 4 P NMEA Beacon In WHE Nf 24 VDC 420 AIS 5 BRN WHT NMEA4 Beacon In B DD YEL According to ETTA _ RED MOB Event NC AMA REDWHT Not Connected Power supply to radio eqpt ORG NMEAS In Required by SOLAS Chapter IV 9 1 ORG WHT NMEAS In DD an Cable B 10 Decl Electrical Electronic navigation 10 YEL 5 44 V YEL BLK 5 Out al ea Eqpt Required by SOLAS 2 NMEAG In CANWET A Default Port 1 Chapter V Reg 12 13 GRN WHT NMEA6 In B Dad setting Ext GPS BLU NMEA6 Out 5 422 15 BLUWHT 6 Out 8 7 AAA PRPLWHT Not Used Long Range Comm 16 PRPL Not Used hA D Port E A LL pL A 17 GRY n z RS 422 Rx 14 183 N GRY BLK 1PPS D UJ Da Note Opt
28. Corrosion Water Resistance Compass Safe Distance MX421 Antenna Operating Temperature Humidity MX420 CDU Type tion Consumption Supply voltage Reverse protection Over voltage protection Fuse Insulation Antenna supply 15 to 55 C IEC 60 clause 4 5 2 and 30 to 70 C IEC 945 clause 4 5 2 and IEC 945 clause 4 5 3 draft 3 rd edition IEC 945 clause 4 5 7 draft 3 rd edition MIL STD 810E Method 505 3 Procedure 945 clause 4 5 10 draft 3 rd edition MIL STD 108E Procedure 4 10 EMC EN 50081 1 1992 EN 50082 1 1992 and 55022 1994 class 801 2 1991 IEC 801 3 Draft Second Edition IEC 801 4 1998 IEC 945 1994 IEC 80 106 CDV 1995 Draft IEC945 FTZ 171 R 32 Aug 1985 FTZ 171 R 45 Jan 1989 FTZ 171 R 46 Dec 1988 1 5 m Recommended 25 to 70 C MIL STD 810E Method 507 3 Procedure 1 100 R H for 30 days at 24 C DC DC switch mode with galvanic separa Less than 11W display back light on Typi cal 8W at 24 volt external supply voltage Typical 8 7W at 12 volt external supply volt age 12 or 24 volt battery 9 6 volt dc to 32 100 volt internal diode 40 volt fuse and transient voltage sup pression Internal over current over temperature fuse Automatic resetting Supply voltage to data pins or shield Maxi 50 VDC 12 VDC maximum 500mA Technical Specifications 420 Installation and Serv
29. DU amp MX531 ATLAS Transponder Block Diagram Optional 421 Party Smart GPS Antenna Connector A 18 Pin Battery Backed Up 531 TRANPONDER UNIT larm Power Supply 14 Shield GND 2 Pwr In 12 32 RED 2 16 12 V Out to Mx421 xD RED 4 BRN NMEA In A DD 5 M BRN WHT NMEA4 In B 6 Xy PRPL Out A DD 7 M PRPL WHT NMEA1 Out iD E 7 ORG NMEA3 GPS In A GRN 5 5 9 ORG WHT GPS In B Da ORG 2 20 Cable A 419 5 YEL NMEA3 GPS Out BRN N e m 2 11 V YEL BLK NMEA3 GPS 8 BLU aa 12 GRN NMEA2 In A T uc ta bs ks te 13 M GRN WHT NMEA2 In B 0
30. GPS navigator The MX420 AIS Basic and the MX420 AIS Navigation Systems are essentially identi cal control and display unit The main difference is the addition of the MX421 smart antenna and the activation of the AIS option AIS license is required The MX420 AIS detects the presence of the 421 antenna and makes the navigation function available to the user Refer to pages 39 and 41 for AIS wiring diagram Other MX420 AIS Interface In addition to Speed and Gyro ROT interface it is suggested to connect the MX420 AIS CDU to the following equipment 423 5 5 required Long Range Communication INMARSAT C 6 optional ECDIS Chart NMEA 7 optional These equipment requires high speed connection to the MX420 NMEA 5 through 10 are high speed ports capable of handling baud rate speeds up to 115 2 Kbps We recommend interfacing these equipment to the NMEA ports listed above for better results MX 420 Installation Service Manual Optional MX421 B Config Long Pilot Range Port ECDIS GPS ARPA Sma Log Beacon MX420 AIS Basic configuration MX423 AIS Transponder Interface The NMEA 5 port of the MX420 AIS or MKD connects to the bidirectional PSP port the MX423 AIS transponder see the schematic diagram on figure 4 18 on page 41 Communication speed between the MX420 and the t
31. IM enne MX420 Navigation System Installation amp Service Manual 420 Navigation System Installation and Service Manual Models Covered 420 2 420 8 MX420 BR MX420 BRIM MX420 AIS BASIC MKD MX420 AIS DGPS Prepared by MX Marine A Division of NAVICO Inc 23868 Hawthorne Boulevard Suite 201 Torrance California 90505 5908 USA WEM 3508 102 70060 July 2007 MX Marine reserves the right to make changes to its products specifications without notice Copyright July 2007 About This Manual We at MX Marine have attempted to take care and develop manuals which provide in depth information Obviously we can t anticipate every configuration in which you might install the MX420 but we can help make your work more thorough and enjoyable This manual is organized by first describing the list of included items for the particular model you purchased The sections that follows detail the technical specifications of the MX420 navigation unit and the MX421 antenna unit This is followed with the mechanical and electrical wiring diagrams and installation notes to guide you in the installation of your MX420 system Should you require additional technical support please first contact the dealer where you purchased your MX420 Since your dealer sells and installs the MX420 and many other types of equipment they are often your best resource for tec
32. IS models 8 Connect to Cable B Brown For MX420 8 or MX420 AIS models Figure 4 14 MX421 8 Pin GPS Antenna Wiring Diagram 420 Installation Service Manual Purple Gray 1PPS Purple 1PPS Black GND Red 12 VDC in White Beacon Out Blue LPM In Yellow Beacon Out Green GPS Out Brown LPM In Orange GPS Out Mx421 10 10 Pin Conn MX421 10 GPS Only Mx420 8 Pin Wire Signal 10 1 5 Cable GrayBlack 9 Purple 1PPS Cable Gray 8 White RTCMIn Ext Beacon Corr 7 Yellow RTCMIn Ext Beacon Corr 6 Green GPS Out Cable A Orange 5 Orange GPS Out Cable A Orange White 4 Brown LPM IN Cable A Yellow 3 LPM IN Cable A Yellow Black 2 Red 12 VDC Cable A Red White 1 Black GND Cable A Pin 1 Shield GND RTCM connection to MX421 10 GPS only Antenna model Not available MX420 2 12 CDU models Not connected in MX420 2 MK12 models Figure 4 15 MX421 10 10 Pin GPS Only Antenna Wiring Diagram 420 Installation Service Manual Purple Gray 1PPS Purple 1PPS White Beacon Status Out Yellow Beacon Status Out Green GPS Out Black GND Red 12 VDC in Blue LPM In Brown LPM In 5 Out Mx421 10 10 Pin Conn MX421B 10 DGPS Mx420 8 or MX420 AI
33. RG WHT GPS In Ds po 4 Cable A 107 Y eX YEL GPS Out A 11 YEL BLK GPS Out B _ _ 12 A GRN NMEA2 In A pad N C 8855 3588 13 _ GRN WHT NMEA2 In B ES 14 6 BLU 2 Alarm Relay d lm d 15 BLU WHT NMEA2 Out B ID lt 4 Pwr In pp 184 BLKWHT ALARM Out Shield to MX421 DD 17 10900 GRY RS 232 TXD NC4 GRY BLK Not Connected 2 Amp 18 Pin 1 Shield GND Pra Supply 29 BLK Digital In 2 3 V BLK WHT Digital In 4 Power 4 Xo BRN NMEA4 Beacon In A ee rie s aE kaba F 24 420 15 5 BRN WHT Beacon In gt According te 6 RED MOB Event ID 4 NC RED WHT Not Connected h supply to radio 8 NMEAS In Required by SOLAS Chapter Cable B X0 NMEAS In d 104835 A VEL EE NS 7 Electrical Electronic navigation ut A i 11 YEL BLK NMEAS Out B DD Pid GRN Eqpt Required by SOLAS 0 5 Default Port 1 Chapter V Reg 12 12 GRN In A DC Tx 1 13 GRN WHT NMEA6 In B DD setting Ex
34. RO SPEED GPS 4 PILOT PLUG Figure 4 21 MX420 AIS MKD CDU amp MX535 NAUTICAST Transponder Block Diagram in bags V ase rn gt Be E GPS Tian wire 1 a Smart GPS tor A Antenna 2 18 Pin Terminal To a Battery Backed Up MX535 TRANPONDER UNIT dE Alarm Power Supply 1 Shield GND Ext Alarm Output 2 To RED Pwr In 12 32 Vdc yD BEP oe 16 12 V Out to Mx421 MN See 3 3 2 6 4 AAF BRN In 5 XXX BRN WHT NMEA In B m 6 PRPL 1 Out nF 8 2 7 PRPL WHT NMEA1 Out B x d 2 2 8 X ORG GPS In A xD 5 9 9 O
35. S Pin Wire Signal 10 Purple Gray 1PPS Cable GrayBlack 9 Purple 1PPS gt Cable B Gray 8 White Beacon Status Out Cable B Brown 7 Yellow Beacon Status Out Cable Brown White 6 Green GPS Out Cable A Orange 5 Orange GPS Out Cable A Orange White 4 Brown LPM IN Cable A Yellow 3 LPM IN Cable A Yellow Black 2 Red 12 VDC Cable A Red White 1 Black GND Cable A Pin 1 Shield GND Not connected in MX421 GPS only Antenna model Not connected in 420 2 or Mk12 CDU models Pins 9 amp 10 available only MX421 10 antenna model Figure 4 16 MX421B 10 10 Pin DGPS Antenna Wiring Diagram 420 Installation Service Manual GPS Ant VHF Ant MX421 Gem MX420 AIS Antenna A B MX423 AIS PSP AUX Transponder NMEA1 2 5 7 NMEA8 9 10 Ext Mx421 Mx421 Mx423 Long ECDIS Gyro Pilot Speed GPS Range ARPA Laptop Log RTCM Auxiliary GPS receiver connection using NMEA 0183 interface RTCM differential correction from beacon receiver Figure 4 17 MX420 AIS CDU amp 423 SAAB Transponder System Block Diagram 18 18 420 5 O
36. SQA 26 21 4 9 duy 2 8 0CVXIA TIS E pesn ION ow guid Dex gages Dd Ben pesn ION Y 262 541 AMO Ds zez Sul ANOVA LZpxW puo plerus Oa Dr 0 LHW ra Oa Ds 1 u mal a u 18 z 18 iHwn1g g zv3WN 1 SI mg Ded ma I g zv3lWN LHWNHO zv3lNN LHWNHO el v zvaWN Ord Dad Kv ul ZI 8 849 8 nag Dad ino II 3uy v NO 849 134 gt uy 599 13A 01 iHw uo Da 99 LHW9YO 6 8 yuy woy v 589 Neo Dd uy ul 849 SHO 8 L x 9 NO LWAWN 1 mo 9 V Kv LWAWN Ded Kv 9 9 ul Ord 7 ul s r v LWAWNI Nua ul LWAWNI r 91 LZpXW OINO A 21 1 Dd A
37. WHT NMEA6 Out PRPL WHT Not Used PRPL Not Used p GRY 1 PPS O GRY BLK Shield GND 2 3 1PPS 4 PURPLE PURPLE GREY CONFIG connector Dual Control 9 pole D SUB M Mx423 Port 1 RS 422 TXD 8 AIS Transponder RXD 38 CONFIG RS 232 Terminal GND 23 Block VHFANT WHITE PSP Out AJ GPSANT BROWN PSP Out 4 33 GREEN PSP In A ry r 19 YEL BLK YELLOW PSP In 3 PSP AUX RS 422 GREY AUX Out 31 To PINK AUX Out B Equipment NMEA RTCM BLUE AUX In RS 422 RED AUX in B BROWN BROWN Pwr In L43 POWER YELLOW XC Lat 4 Amp YELLOW Pwr in 2 41 Fuse Power supply 24 VDG MX423 AIS Shipborne Class A Transponder System PEENE HE ERREUR EA E 7 Connected Equipment gt Alarm Unit gt N C GRN A SRNWHT Sensor RS 422 Default port 2 setting Ext GPS GRN GRN WHT BLU WHT Note Optional 1PPS connection from Mx421 antenna Long Range Comm Port RS 422 Default port 6 setting Long Range Eq BLK BLK In A BLK WHT NMEA8 in BLK WHT B Sensor RS 422 BRN In BRN WHT 9 In B 9 Out
38. ation which is contained in the received WPL sentence The MX420 does not process the TALKER identifier first two characters following the of NMEA 0183 sentences for any NMEA sentences received Any pair of characters within the NMEA specification are recognized The MX420 does process floating numerical formats in the received sentences Although the current version of the NMEA 0183 standard requires that a checksum be present the checksum is not required by the MX420 However if the checksum is included in the NMEA sentence the MX420 will reject any sentence where the checksum and data do not correlate Viewing Input Data You can view data being sent to the MX420 by other equipment or loop a MX420 output port back to an unused input port to verify if it is outputting data to other equipment This is a great tool to use when you are first interfacing equipment To activate the Input Data screen Press CFG Scroll through the menu and select Operation peration setup Remember displau Edit timeout Retain external alarm Engineering displau Press E and change Engineering Display from No to Yes Press E again to exit the edit mode Press the left cursor key until the CFG3 nput Data screen is displayed MX 420 Installation Service Manual Port 1 Changed bu 14 Freeze bu Soft 45 229 5 215 5 12 4 5248 5158 T1821 0138 u n102 lt
39. ative to Reference GND Hysteresis minimum 0 6 volt 25 volt input relative to shield 50 volt input relative to external power lines Triggered with 50 mS bounce control Minimum 100 mS Pin 6 normally open to Pin 1 GND When not in Alarm state or after acknowledged alarm Normally Open When in Alarm On state Closed to Ref GND Pin 18 N O contact to GND 12 VDC 1 0 VDC loaded 11 5 VDC nominal unloaded Maximum 500 mA at 12 0 volt DC 1 PPS 50 ns RMS 0 12 Volt 250 mS 25 ns 420 Installation Service Manual SECTION3 MECHANICALAND INSTALLATION DRAWINGS MX420 Installation and Service Manual 420 Installation Service Manual 271 mm 266 mm 4 Gewe j 9 9 wo 8606 a Sw MX420 DIM cdr 1 RUBBER SEAL ALL DIMENSIONS IN MM Figure 3 1 MX420 Display Console Dimensions Front View 420 Installation Service Manual 53mm 100 mm 28 5mm Cable Dressing Space Bracket 10mi kK ah 251mm gt lt 10 6137 01B 400 Figure 3 2 MX420 Display Console Dimensions Top and Side View 420 Installation Service Manual 298 mm D ME N 4 my 2 3 G QD P C 7
40. ecifications MX420 Installation and Service Manual 421 Smart GPS Antenna Receiver GPS Type L1 C A Code 12 channel continues tracking Update rate Once per second Accuracy 1 m 2DRMS Position with DGPS 3 m 2DRMS without correction Dynamics Velocity 460 m s Acceleration 2 5g Time to first fix Less than 1 minute with almanac 15 minutes from coldstart Reacquisition 15 seconds typical DGPS Input RTCM SC 104 format from internal beacon receiver Beacon MX421B Model Type 2 channels Automatic or Manual tuning Frequency 283 5 325 KHz in 500 Hz steps Dynamic Range 100dB Adjacent Channel Rejection 40dB 500 Hz Bit rate 25 50 100 or 200 auto sync RTCM Messages Supported Type 1 2 3 5 7 9 16 MX420 Control and Display Unit CDU Display Part name LMG7410PLFC Hitachi Dots 240 by 128 Duty 1 128 LCD Film type black and white negative type Bottom polarizer is trans missive type Matches polarized sunglasses Viewing dir 6 O clock Back light Cold cathode fluorescent lamp Protection Acryl 7N PMMA window Keyboard Type Tactile silicone rubber Contact Carbon Back light Yellow LEDs Front enclosure Plastic ABS PC blend Cycoloy C1200 420 Installation Service Manual Back enclosure Metal Connectors Connector A Panel plug Connector B MX 420 8 only Panel socket Connector C MX 420 8 only Panel socket Cables Cable
41. ects the conditions in master conditions in master NMEA Out Printer Out 2 Waypoint Sarg po Table 6 Independently Controlled Functions MX 420 Installation Service Manual MX420 Dual Control with Integrity Monitor The Integrity Monitor IM feature once the license is enabled allows the two dual control MX420 8 units to constantly compare each of the two GPS solutions and if configured to do so give an alarm and or switch to the use of the best GPS solution Both Master and Slave units are functional GPS receivers and both continuously calculate GPS solutions The IM continuously compares the two position solutions If the GPS Source is set to Automatic it begins by using the Master calculated position However it continuously compares the used solution to the other solution If the other solution is better it will switch to use that position solution Essentially the Master mode will transfer automatically to the unit whose position solution is being used for navigation MX 420 8 MX 420 8 MASTER UNIT SLAVE UNIT CABLE A CABLE A PORT 1 PORT 1 SHIELD BRN IN A PRPL NMEA1 OUT A BRN WHT NMEAT IN b PRPL WHT NMEA1 OUT PRPL NMEA1 OUT A PRPL WHT NMEA1 OUT B BRN NMEA1 IN BRN WHT NMEA1 IN B 7 SHIELD MX 421B L MX 421B Antenna Connected Connected MX420 Dual Control with Integrity Monitor Data Interface Once the Dual
42. egrade the COG and SOG calculations particularly when in DGPS mode Ensure the antenna is placed outside the beam path of transmitting radar typically 15 horizontally from the array s center point and INMARSAT satcom typically 10 from the array s center point in any of the possible transmitting directions and at least 5 meters from any side lobe or back lobe direction The GPS antenna should be mounted below and at least 5 meters away from these types of antennas Do not place it within 3 meters of a SSB or VHF radios or their antennas Antenna Options Two antenna options are available for the MX420 namely GPS only smart antenna 421 MX421 10 Combined GPS and differential beacon smart antenna MX421B MX421B 10 These antenna models look identical and they are wired the same way refer to the chart shown below The antenna model is indicated on the serial number tag on the underside of the antenna The drive voltage to the antenna is 12 VDC 10 and normally provided by the MX420 However power to the MX421 antenna may be taken from the main battery supply Antenna Connector The multi pin connector at the bottom of the antenna housing provides the necessary interfacing between the MX421 smart antenna and the MX420 CDU Older production MX421 antennas use 8 pin connectors while new build units MX421 10 use 10 pin connectors The interface connections from pins 1 through 6 are common fo
43. hnical questions You can also contact MX Marine for technical assistance International MX Marine US A Division of NAVICO Inc 23868 Hawthorne Blvd Suite 201 Torrance California 90505 USA 01 310 791 8213 Telephone International 01 310 791 6108 Fax info mx marine com www mx marine com We hope you find the manual enjoyable and informative As always we welcome your comments on improving our products or manuals Thank you Product Information The model and serial number of your instrument are given on the back of the unit Please enter the serial number in the space provided below Always refer to this information when you contact your dealer Model MX420 Navigation System S N Notes Table Contents SECTION 1 LIST OF COMPONENTS eene 1 SECTION 2 TECHNICAL SPECIFICATIONS 9 SECTION MECHANICAL AND INSTALLATION DRAWINGS 17 SECTION 4 ELECTRICAL INSTALLATION DRAWINGS 25 Figure 4 1 MX420 2 Basic System Configuration 27 Figure 4 2 MX420 2 Basic Wiring Diagram 28 Figure 4 3 MX420 8 System Configuration 29 Figure 4 4 MX420 8 Wiring Diagram 30 Figure 4 5 MX420 BR Dual Control System 31 Figure 4 6 MX420 BR Dual Contr
44. ice Manual Antenna MK 421 12 VDC 200 mA MK 421B 12 VDC 280 mA MX420 CDU Inputs and Outputs The input and output circuits of the serial interfaces meet the requirements of 61162 1 including the requirements of ITU T V 11 NMEA 0183 version 1 5 2 0 2 1 2 2 amp 2 3 NMEA talker all outputs Levels Maximum 6 volt minimum 2 volt A out relative to B out Current Minimum 15mA Protection 1 volt to 6 volt output relative to shield 50 volt output relative to external power lines NMEA listeners all inputs Insulation Opto coupler Maximum 50 volt input relative to shield or power supply lines Impedance Minimum 500 Ohms A in relative to B in Threshold Maximum 2 volt and 2 mA Protection 15 volt A in relative to B in 50 volt input relative to shield or power 420 Installation Service Manual MOB Event input Insulation Impedance Pull up Threshold Protection Frequency Pulse width Cable B Pins Alarm output Signal levels Cable A Pins Antenna voltage output Cable A DC voltage DC current 1 PPS Output optional Output Signal levels Pulse width Rise Time Technical Specifications Maximum 50 volt input relative to power supply lines 3 5 kOhm input relative to Reference GND 15 to internal 12 volt Positive going maximum 2 3 volt input relative to Reference GND Negative going minimum 0 6 volt input rel
45. inger screws and rubber friction washers are delivered with the MX420 Place the self adhesive rubber washers around the two threaded holes at each side of the navigator Use the two machine screws with the large palm grips to secure the MX420 to the mounting bracket Adjust the viewing angle to meet your needs Flush Mounting Drilling and cutting instructions for flush mounting are given in Figure 3 3 The maximum bulkhead thickness which can be used in this configuration is 9 mm 7 16 in Cut a notch deep enough to accommodate the flush mount bracket Allen head bolt and Allen key for thicker bulkheads Flush Mount Frame If access to tighten the screws from the backside is impossible an optional Flush Mounting Frame is available P N 715707 First mount the frame to the navigator Next attach all of the hardware interfaces to the appropriate port i e Cable A B amp C Finally mount the entire assembly to the panel from the display side The frame is oversized 300 mm x 175 mm 11 81 in x 6 89 in The frame mount hole cut dimensions are given in Figure 3 5 Turning Power On and Off The navigator is turned on by briefly pressing the 0 key Please keep the key pressed for more than one second as this will turn the navigator off again when the key is released This key is also used to turn the power off by either of two methods a Software Control A normal short key press displays the softkey option bo
46. ional 1PPS I ae connection from A Bored Mx421 antenna GYRO ROT RS 422 Tx B 1 Shield GND 2 BLK In qup 3 25 INMEAS In 8 SPEED LOG 85422 BRN NMEAQ In LDD B 5 BRNWHT NMEA9 In T RED 9 Out A 1 N RED WHT NMEA9 Out B nA 8 0 ORG NMEA10 In DD PILOT PC B Cable C 9 DO ORG WHT NMEA10 In B RS 422 1029 7 YEL NMEA10 Out Ay RS 422 B 11 YEL BLK NMEA10 Out B rQxp 12 GRN In A D amp D 1 13 DO GRN WHT NMEA7 In DET 144 yy BLU NMEA7 Out m EUM 1 4 15H V BLU WHT NMEA7 Out q 4 D N C 16 772 PRPL 8 Out A Da Unit d 12 gt 174 NMEA8 Out x 18 GRY Not Used DP NC GRY BLK Not Connected uc GRN GRNIWHT HN Tx gt 5 5 CORN sss I BLUWHTI Non ATLAS Figure 4 20 MX420 AIS MKD CDU 8 531 ATLAS Transponder System Wiring Diagram CX4 ANT MX ANTENNA s GPS ANT 4 i lt gt JB 50 2 gt J BOX Optional MX535 AIS TRANSPONDER um s e rri b GY
47. is pressed for at least 2 seconds causing the two contacts to short Once activated the MOB condition must be canceled from the MX420 front panel display Refer to the Operator s manual for this operation and more details on the Man Over Board function When this switch is closed for less than 2 seconds this causes your present position and time to be stored as a waypoint in the waypoint bank A message indicating which waypoint number is used will be displayed on the MX420 screen for up to 5 seconds in this scenario MX 420 Installation Service Manual Speed Over Ground Pulse Output The MX420 outputs the GPS calculated speed over ground in a pulse format Refer to the Specifications section of this manual for signal characteristics The pulse output is derived from either NMEA 1 or 2 ports shared with the NMEA 0183 protocol on the MX420 Therefore these ports are available for either pulse output or NMEA 0183 output Don t forget that only NMEA2 Out Port2 can be either RS 232 or RS 422 port Pulse output NMEA1 is connected to the cable A connector pins 6 signal and 7 return not ground Pulse output Port 2 is connected to the cable A connector pins 14 signal and 15 return not ground These are RS 422 level signals and may not be compatible with every installation To setup the MX420 software select the CFG1 Log Pulses screen This screen controls the output port Pulse of the speed over ground
48. isted pair 10 lead cable P N 3508 102 70170 40 meter twisted pair 10 lead cable P N 3508 102 70180 90 meter twisted pair 10 lead cable P N 3508 102 70190 External Differential Connection Differential corrections from an external beacon receiver can only be connected to the 421 10 GPS model Connections are done directly through Pins 7 yellow and 8 white of the MX421 10 antenna cable It will accept the RTCM SC 104 signal at 4800 baud MX420 NAVIGATOR INSTALLATION The Navigator or CDU is the primary unit with the integrated display and keypad The navigator can be mounted using one of three techniques Gimbal mount supplied Flush mount supplied Frame mount optional 2 MX 420 Installation Service Manual Each of these techniques are described below All the hardware necessary to com plete the Flush and Gimbal mount is provided with the MX420 You will need rear panel access to complete these types of mounts The Frame mount is an option for applica tions where front panel removal is not desired or rear panel access is not available The hardware necessary for the Frame mount is sold separately P N 715707 It is important to consider the space behind the unit to prevent sharp cable bends before commencing with the installation A minimum of 100 mm free space is needed behind the unit for cable dressing Gimbal Mounting A pivot Mounting Bracket including f
49. its takes place over a high speed data link The master unit must be connected to the smart GPS antenna unit MX421 The master unit receives the position data then transfer it to the slave unit at a one second rate the same as the position calculation Due to the high speed data link there is virtually no visible position delay between the two units When the two units are first configured as master and slave the master listens for a configuration polling message from the slave Once the master recognizes the slave s polling message the Common Data Base see Table below is downloaded from the master to the slave This function also takes place each time the units are powered up Present Position Update once per second Time Update once per second Displayed in the same mode on both units m Only one unit can make changes at any given time Waypoints Leave the screen and reenter it or press the E key to refresh the screen if viewing the screen at the same time in both units Only one unit can make changes at any given time Reset XTE Only one unit can make changes at any given time DGPS Setup Only one unit can make changes at any given time Man Over Board Only one unit can make changes at any given time Table 5 Master Slave Common Data Base The items detailed in Table 6 are independently controlled at the individual MX420 control heads GPS Displays slave reflectsthe GPS Displays slave refl
50. must be connected to an independent battery backed up alarm supply Make sure the relay coil voltage is compatible with the voltage rating of the alarm power supply i e NTE Electronics Relay P N R14 11D10 12 for use in 12 supply The negative ground of the alarm power supply must be connected to the GND to MX421 shield wire in Cable A refer to the relay diagram below To a Battery Back Up Alarm Power Supply MX 420 E el ie 1 Cable A I Pin 1 Shield 5 Gnd 421 Continuous Duty SPDTREelay Cable A 12VDC lt 75 mA Pin 18 Port 2 RS 422 RS 232 Serial Interface The CDU has a standard RS 232 interface similar to a PC COM The RS 232 use the same internal UART logic as the NMEA port 2 The TxD RS 232 output and the NMEA2 out RS 422 output carries the same serial data but with the electrical levels of each standard The input is shared and can only be set up to either receive RS 232 input or NMEA RS 422 input MX 420 Installation Service Manual A l ik 1213 w2 RS 422 4213 NMEA2 4 NMEA2 Out 4 ay 4 2 Out 15 22 5 I 2A 2776 az 9 ay 46 We A RS 232 L 2 pA tz atc Figure 5 1 Port 2 RS 422 RS 232 Port Schematic MX420 PC Interface The diagram bel
51. nd 35 of this installation manual External Power The MX420 was designed to operate on 12 32 VDC supply It can tolerate voltages no lower than 10 volts and no higher than 35 volts It draws about 1 Ampere at 12 VDC with a MX421 B antenna connected Power input connection is done through Cable MX 420 Installation Service Manual A Power wire colors are red and black Refer to Figure 4 1 for wiring hookup Even though the navigator has a reverse polarity protection device we recommend that the installer observe proper polarity before hooking up the power leads MX Marine also recommends using a 2 amp fuse in line with the red wire as close to the battery as possible This not only protects the navigator but also the cabling Navigator Grounding The electronics of the navigator are isolated from the external power supply Connect the navigator unit to ground to avoid static charge build up This can be done in either one of two ways 1 Connect the Cable A shield to the boat s Seawater ground 2 Connect the grounding stud of the navigator to the boat s Seawater ground Note Seawater ground is any electrically conductive material that is directly in contact with sea water MX421 GPS ANTENNA INSTALLATION Antenna Location The GPS smart antenna MX421 should be mounted with a relative clear view of the horizon Do not mount the antenna on top of a very tall sailboat mast as this may d
52. ol Wiring Diagram 32 Figure 4 7 MX420 BRIM Dual Station Integrity Monitor System 33 Figure 4 8 MX420 BRIM Dual Station Integrity Monitor Interface T 34 Figure 4 9 Cable Wiring Configuration 35 Figure 4 10 Cable B Wiring Configuration Only on MX420 8 36 Figure 4 11 Cable C Wiring Configuration Only on MX420 8 37 Figure 4 12 420 2 Rear Panel 38 Figure 4 13 MX420 8 Rear Panel Connectors 38 Figure 4 14 MX421 8 Pin GPS Antenna Wiring Diagram 39 Figure 4 15 MX421 10 10 Pin GPS Only Antenna Wiring Diagram40 Figure 4 16 MX421B 10 10 Pin DGPS Antenna Wiring Diagram 41 Figure 4 17 MX420 AIS CDU amp MX423 SAAB Transponder System Block Diagram 1 crore roi 43 Figure 4 18 MX420 AIS CDU amp MX423 SAAB Transponder System Wiring Et 44 Figure 4 19 MX420 AIS MKD CDU amp MX531 ATLAS Transponder Block Diagram 45 Figure 4 20 MX420 AIS MKD CDU amp MX531 ATLAS Transponder System Wiring Diagram 46 Figure 4 21 MX420 AIS MKD CDU amp 535 NAUTICAST Tran sponder Block Diagram u u 47 Figure 4 22 MX420 AIS
53. on In B Brown 64 RED EXT MOB Event Ref Pwr GND Red NC RED WHT connected 8 5 ORG NMEAG In A LL ORG WHT NMEAS In B Orange 10 9 YEL 5 u YEL BLK 5 Out B Yellow 12 GRN NMEA 6 In 13 XXX GRN WHT NMEAG In Green M 14 BLU NMEA6 Out A 15 BLU WHT 6 Out B Blue li Ass 7 mu PRPLAWHT Not Used Conn B Pin Assignments Front View 16 XX PRPL Not Used Purple TE 18 M GRY BLK Optional 1PPS Figure 4 10 Cable B Wiring Configuration Only on MX420 8 420 Installation Service Manual I 2 0 meters Gable 18 Pin Male Connector 18 Pin Male Connector Cable C 1 Shield GND 2 NMEA8 In 3 X BLK WHT NMEAB In Black 4 9 5 XXX BRN WHT In Brown 6 RED NMEA9 Out 7 RED WHT NMEA9 Out B Rea 8 ORG NMEA10 In Allg 9 ORG WHT 10 In B 1 10 gt YEL NMEA10 Out X YEL BLK Out B Yellow 12 GRN In 13 M GRN WHT NMEA7 In Green BLU 7 a 15 BLU WHT NMEA7 Out Blue 16 AAKA PRPL 8 Out pn Conn C Pin Assignments
54. ow shows the bi directional RS 232 interface between the MX420 NMEA2 port in Cable A and a PC serial port PC CONN ABLE CON Female Terminal Strip GRNWHT __ 13 NMEA2 IN B SHIELD BLK GREEN 12 NMEA2 IN A GRAY 17 NMEA2 TXD RED RS 232 2 PWRIN BLACK 3 PWR RET Co 12VDC NMEA Interface The 420 meets the NMEA 0183 version 2 1 electrical standard for marine interface communications with other marine equipment such as Radars Plotters Autopilots Fish Finders etc MX 420 Installation Service Manual There are differences in the electrical interface specification between NMEA 0183 version 1 5 introduced in 1987 and NMEA 0183 version 2 0 and later introduced in 1994 Some older model equipment utilize RS 232 others use RS 422 and others meet the older version 1 5 specification In an effort to simplify your interface capabili ties you should take the time to determine which electrical interface specification all of the interfaced equipment meets NMEA Interface to other Equipment The MX420 meets NMEA 0183 version 2 1 electrically and in protocol As version 2 1 is not necessarily compatible with the older version 1 5 the differences in hardware are mentioned here to avoid possible conflicts Listener The listener input works with a threshold of 2 volts compared to the former 4 volt It is still an insulated input
55. ower directly to the external 12 VDC supply Replace antenna Return the unit for repair DGPS mode set to DGPS Only and no corrections are being received GPS satellite signals weak satellites dropping in and out Check maximum cable length restrictions and cable condition for weak satellite signal condition Return the unit for repair Backup battery is dead Replace the internal backup battery DGPS mode set to Off so no corrections are being received Station Select is set to Manual Faulty antenna NMEA output data not configured Wrong NMEA version Wrong output rate or format Wrong electrical standard Too many data sentences turned on throughput overflow More than one NMEA talker on the circuit Faulty port The MX420 requires the user to enable NMEA Return the unit for repair MX 420 Installation Service Manual Memory Backup Battery The internal real time clock and memory which stores the waypoints alarm limits etc is backed up by a lithium cell battery The expected life time is 2 years at 21 C but this is based on the temperature the navigator is stored at when not in use The higher the temperature the shorter the life and vice versa Backup Battery Replacement Marine electronics dealers or radio supply stores will typically stock the replacement battery Type CR2032 3V Lithium battery The battery is mounted in a socket located on the MX420 processor board MX Marine recommends thi
56. r all MX421 configurations Pins 7 amp 8 are used for monitoring the beacon receiver status for the built in beacon receiver or for external RTCM correction The additional two pins on the newer production MX421 are used to output the 1 PPS signal as shown in MX 420 Installation Service Manual the chart below Refer to figures 4 14 4 15 and 4 16 for the MX421 antenna wiring diagrams MX421 Smart Antenna Configurations Pin Wire 8 Pin Conn 10 Pin Conn MX421 10 Color MX421 MX421B 421 10 421 108 5 DGPS GPS DGPS BLK 1 SHIELD Negative Ground 2 RED 10 5 32 VDC 3 BLU MX Marine Proprietary Message LPM In 4 BRN MX Marine Proprietary Message LPM In 5 GPS Out 6 GRN GPS Out Beacon Status Beacon Status 7 YEL N C Out RTCM In Out Beacon Status Beacon Status 8 WHT Out RTCM In Out 9 PRPL N A 1 PPS PRPL 10 GRY N A N A 1 PPS Antenna Cable Options The antenna cable is not provided with the MX421 antenna The installer has to determine the length needed and specify the length when ordering the cable The following cable lengths are available 15 meter twisted pair 10 lead cable P N 725637 20 meter tw
57. ransponder is preset at 57 6 Kbps Refer to the MX423 AIS Shipborne Class A Transponder installation manual for more details Troubleshooting Guide The MX420 is virtually maintenance free There are however a few important points to note Please check your installation carefully before returning the MX420 to the dealer or factory for service A few troubleshooting tips follow The MX420 performs a variety of self tests during normal operation If a function fails the self test the navigator displays an Internal Error message every one minute MX 420 Installation Service Manual No response Black LCD display and no traffic light No keyboard response or partial keyboard response No external power supply Check supply voltage Check for reverse polarity Check wire installation Check if external fuse is blown Corrupted memory faulty keyboard faulty processor Return the unit for repair Battery External battery low y Check power supply voltage and installation No position update won t track satellites Red traffic light blinking for more than 10 minutes No position update tracking satellites Red traffic light solid all the time All data lost at power up No DGPS update not tracking beacon station No data output to peripheral equipment Jamming by other on board or adjacent transmitters Faulty antenna or antenna cable Relocate GPS antenna Connect the MX421 p
58. rning Power On and OIf 55 EQUIPMENT INTERFACING 56 Introd ction obse 56 External Man Over Board amp Event MX420 8 Only 56 Speed Over Ground Pulse Output 57 External Alarm 57 Port 2 RS 422 RS 232 Serial Interface 58 MX420 PC Interface 1 reri enne tn nnns 59 NMEA Interface ine erede ie 59 NMEA Interface to other Equipment 60 MX420 NMEA 0183 Sentences 61 61 NMEA Output Sentences 62 Input NMEA 0183 Sentences 63 Viewing Input Data 64 Dual Control Remote Interface 65 MX420 Dual Control with Integrity Monitor 67 Other MX420 AIS Interface 68 MX420 AIS Basic configuration 69 MX423 AIS Transponder Interface 69 Troubleshooting Guide
59. rt bits or stop bits of each character in the sentence between but excluding and The hexadecimal value of the most significant and least significant 4 bits of the result are converted to two ASCII characters 0 9 A F for transmission The most significant character is transmit ted first MX 420 Installation Service Manual Example Field 1 23 eerte Sentence terminator arb checksum HEX In Ver 1 5 amp 2 0 required in Ver 2 1 Checksum delimiter Units of measure N nautical miles Direction to steer L Left R Right Magnitude of error nautical miles Not used Always A Status A Data valid V Data invalid Address GP Talker identifier GPS XTE Sentence formatter Cross Track Error Start of Sentence delimiter NMEA Output Sentences All sentences have the identifier GP for Global Positioning Systems All position data are in the user selected displayed datum except for GGA where the datum can be manually set to WGS84 independent of the selected displayed datum RMB is transmitted only if an active route is present Please refer to the Route section of the Operator s Manual for details on setting up an active route APA APB and are transmitted only if an active route is present and the Autopilot Alarm in each of these NMEA sentence setup screens is Enabled and this feature is not in an alarm condition
60. s a 8 9980 5 OD mt most mont 2392 Sd INO LWAWN 1nO IV3NN ul LV3NN v LZpXW A 21 ZE ZL ul 22 2 T o p ddns eua 1 sn euu SLCVXIN mp my 0 19491 9 s lqeO uo 104 Gasen 8 0 pesn 10N 418 449 7 ed oL 2009 01 pug preis 1 8I 1no ZVAWN 1 SI Kv INO ZVAWNI ma ul 2 LHWN Y9 I Kv u NYO 589 gV3NN 18 134 H uv v 10 539 V3IANI 13A 01 ui Sq 6 uy v 849 ONO 8 Lv3INNI LHM dHd 4 Kv LWAWN 9 ul LVAWN 5 9 LV3NWN r A ZL 91 26 21
61. s service to be done by a qualified service technician MX420 PC Interface The diagram below shows the RS 232 interface between the MX420 NMEA2 port only and a PC serial port PC CONN 420 DB9S CABLE A Female Terminal Strip SRNWHT j43 NMEA2 IN SHIELD BLK 1 GND GREEN GRAY BLACK 12 17 NMEA2 TXD RS 232 2 PWR IN 3 PWR RET 12VDC NEG PC Interface Cable Diagram Software Download Procedure Tools cables and software needed Power Download cable or refer PC Interface Cable Diagram above DC power supply 12 24 VDC PC with DOS or DOS prompt under Windows xx Download program dlmx400 exe and Dos4gw exe hex file the program itself 2 MX 420 Installation Service Manual Procedure 1 Install the download program dlmx400 exe dos4gw and the hex file in the same directory i e MX Marine 2 Using a pre made Power Download cable connect the power cable to the power supply Black wire to ground and blue wire to 12 24V Connect the DB9 to 1 5232 serial port the gt Connect the 18 Cable to the 420 12 5 Turn the 420 12 to verify if power connection is correct Turn it off again 6 The download program runs much faster under DOS than under Windows However if a DOS PC is not available you can
62. stallation Service Manual MX 421 or Terminal Block 3x MX 421B User Supplied MX 420 8 gt NMEA1 NMEA2 Rs 232 RS 422 NMEA3 GPS gt EXT ALARM 12 32 VDC DIGITAL In 1 9 DIGITAL In 2 gt gt NMEA4 BEACON In gt NMEA4 TX only Cable B P 5 gt 1 PPS EXT MOB 7 8 9 p gt 10 NMEA4 fixed at 4800 Baud Only Figure 4 3 MX420 8 System Configuration 420 Installation Service Manual Cable A Connector A 18 Pi Shield GND 249 RED In 12 32 Vdc 16 REDAWHT 12 V Out to 421 in Female Terminal Block User Supplied 2 Amp RED Fuse NMEA In BRN WHT NMEA In B PRPL NMEA1 Out MX421 B Antenna PORT1 RS 422 PRPLIWHT NMEA1 Out B ORG NMEA3 GPS In A from ORG WHT NMEA3 GPS In B J 10 MX420 8 Cable C MT YEL NMEA3 GPS Out A from Ant YEL BLK NMEAS GPS Out B GRN INMEA2 In equipment Dual Control I PORT3 RS 422 Ant Data GRN WHT NMEAZ In 2 RS 422 BLU INMEA2 Out 3 N r Pwr In 9 184 BLK WHT ALARMout Shield Gnd to MX421 m GRY RS 232 TXD N C GRY
63. t GPS 14 0r BLU 6 Out DD 15 M BLUAHT NMEA6 Out B bD ov 7 PRPLANHT Not Used Dad Tx 16 y PRPL Used Dl Long Range 17 EKA GRY 1 PPS PURPLE RES 18 M GRY BLK 1PPS 4 PURPLE GREY g B 5 D Note Optional 1PPS o connection from 421 antenna GYRO HDT ROT Tx B 1 Shield GND 2 BLK In p 3 BLKAWHT 8 In B SPEED LOG VBW 4 BRN NMEAQ In A HEADING HDT 5 V BRN WHT In B Dj 6 ANA RED NMEAQ Out DT 6 A 7 REDWHT NMEAQ Out Dl 5 B Tx RTCM 8 ORG In D Cable C 9 ORG WHT NMEA10 In B Plot Plug a Rx B N YAW YEL NMEA10 Out F NC QG 41 V YEL BLK 10 Out 8 Did 12 AR GRN In A D 13 GRN WHT NMEA7 In B moi A BLU NMEA7 Out 1 B Service 15 BLU WHT NMEA7 Out B pots Alp unit 16 19 PRPL NMEA8 Out A qa B 17 PRPLWHT NMEA8 Out PP SR RE RSH RHR RE Ree Ree 18 GRY Not Used NC M GRY BLK Not Connected N BLU ECDIS Listener ss s T BLUAWKT Non MX535 i 1 1 Figure 4 22 MX420 AIS MKD CDU amp
64. xes Yes or No to turn the power off Respond by pressing the Yes softkey under the box turns the navigator off Selecting No cancels the operation and returns the unit to normal operation b Hardware Control Pressing the power key for more than 3 seconds turns the power off under hardware control the softkey option will also be displayed under normal operating conditions The MX420 can not be turned on again for 10 seconds when this method is used Attempting to turn the unit on during this 10 second period will only activate the navigator for as long as the key is not released This option is not normally used and is provided as an emergency alternative to the software power control MX 420 Installation Service Manual If the external power to the unit fails for any reason the navigator will remember if it was on or off for about 20 minutes That is if the navigator was on when the power failed and the power comes back within 20 minutes the navigator will turn itself on again Otherwise it will stay turned off until the key is pressed EQUIPMENT INTERFACING Introduction The MX420 series is composed of 3 main models namely 420 2 420 8 MX420 AIS The MX420 2 has two user NMEA ports while the MX420 8 and MX420 AIS have eight 8 user NMEA ports All ports are NMEA 0183 protocol capable Anyone of these ports can be used to communicate with other external equipment which utilize the NMEA
65. xternal wiring for these ports is not necessary when using the JB 50 with the MX420 and the MX535 AIS Transponder LINN 3AV IS H3OaNOdSNVHL SIV JO uonelie sul OZPXN 94 1949H VNNALNV Sd9G LYVINS MX 420 Installation Service Manual SECTION5 INSTALLATION NOTES MX 420 Installation Service Manual MX 420 Installation Service Manual GENERAL All configurations of the MX420 Control and Display Unit CDU are splashproof and can be installed both above and below deck To ensure that the back of the display unit remains splashproof protection covers must be used around the connectors The installation should meet the requirements of the helmsman the crew or other users When flush mounted locate a smooth and flat surface to insure that the gasket makes full contact with the mounting surface Ensure that the navigator is mounted in a place where water flows off easily Avoid places where water may accumulate for any period of time Electronic Connections Refer to figures in Section 3 for the drawing of the display console and Section 4 for interface cables The MX420 2 has one interface connector at the back while the 420 8 MX420 AIS models have three The power and data cable Cable and antenna cable are standard in the MX420 2 and MX420 8 AIS models Cables B and C are only supplied with the 420 8 and MX420 AIS All 18 wire cables

MX420 Navigation System - Simrad Professional Series

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