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- Installation & Service Manual
Navico MX420 Installation & Service Manual
Summary of MX420
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Installation & service manual mx420 navigation system.
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Mx420 navigation system installation and service manual models covered: mx420/2 mx420/8 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.
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P/n 3508 102 70060 july, 2007 mx marine mx marine reserves the right to make changes to its products and specifications without notice. copyright july, 2007.
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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...
Page 6: Table of Contents
Table of contents section 1 - list of components ...................................................... 1 section 2 - technical specifications ............................................ 9 section 3 - mechanical and installation drawings ............... 17 section 4 - electrical installation drawin...
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External power ........................................................................... 52 navigator grounding. ................................................................ 53 mx421 gps antenna installation ........................................... 53 antenna location .........................
Page 8: Section 1
1 mx 420 installation and service manual list of components section 1 list of components.
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Mx 420 installation and service manual list of components 2.
Page 10: List of Components
3 mx 420 installation and service manual list of components list of components table 1.0 mx marine antenna units item component qty. Part number remarks 1 1 2 mx421b-10 smart dgps antenna 1 9525 200 80110 3 4 5 6 1 1 1 1 mx521 smart dgps antenna mx521g smart gps antenna mx525 smart dgps antenna mx52...
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Mx 420 installation and service manual list of components 4 table 1.2 standard parts for mx420/8 model item component qty. Part number wt. (lbs.) remarks 1.0 mx420/8 control and display system consisting of: 1 9525 200 78010 1.1 mx420, 8 port control and display unit 1 3508 102 70210 2.6 1.2 mountin...
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5 mx 420 installation and service manual list of components table 1.3 standard parts for mx420/br dual control display system component qty. Wt. (lbs.) remarks 1.0 mx420/8 control and display system consisting of: 1 9525 200 78010 1.1 mx420, 8 port control and display unit 1 3508 102 70210 2.6 1.2 m...
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Mx 420 installation and service manual list of components 6 table 1.4 mx420/brim (integrity monitor) model item component qty. Part number wt. (lbs.) remarks 1.0 mx420/8 control and display system consisting of: 2 9525 200 78010 1.1 mx420, 8 port control and display unit 2 3508 102 70210 2.6 1.2 mou...
Page 14: Table 1.5 Mx420/ais Model
7 mx 420 installation and service manual list of components table 1.5 mx420/ais model item # description p/n remarks 1.0 mk420/ais control and display system consisting of: 9525 200 80000 standard 1.1 mk420/ais 8-port control and display unit 3508 102 70240 1.2 mounting bracket 3508 101 38472 1.3 mo...
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Mx 420 installation and service manual list of components 8.
Page 16: Section 2
Mx420 installation and service manual technical specifications 9 section 2 technical specifications.
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Mx420 installation and service manual technical specifications 10
Page 18: Mx421 Smart Gps Antenna
Mx420 installation and service manual technical specifications 11 mx421 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 ...
Page 19: Back Enclosure:
Mx420 installation and service manual technical specifications 12 back enclosure: metal: cast aluminum connectors: connector a: panel plug: 18-pin male (conxall) connector b (mx 420/8 only): panel socket: 18-pin female (conxall) connector c (mx 420/8 only): panel socket: 18-pin female (conxall) cabl...
Page 20: Mx421 Antenna:
Mx420 installation and service manual technical specifications 13 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 in) diameter: 182 mm (7.28in) cable length: supplied: 15 m. (standard length) options: 20 or 40 meters.
Page 21: Environmental
Mx420 installation and service manual technical specifications 14 environmental mx420 cdu: operating temperature: -15 to +55 ° c. Iec 60, clause 4.5.2 and 4.5.4 (draft 3 rd edition) storage temperature: -30 to +70 ° c. Iec 945, clause 4.5.2 and 4.5.4 (draft 3 rd edition) humidity: iec 945, clause 4....
Page 22: Antenna:
Mx420 installation and service manual technical specifications 15 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: • iec 61162-1 including the requirements of itu-t v.11. • nmea 0183...
Page 23: Mob/ Event Input
Mx420 installation and service manual technical specifications 16 mob/ event input insulation: maximum ±50 volt, input relative to power supply lines impedance: 3.5 kohm input relative to reference gnd pull-up: 15 kohm to internal 12 volt threshold: positive going maximum 2.3 volt, input relative to...
Page 24: Section 3
17 mx420 installation and service manual section 3 mechanical and installation drawings.
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18 mx420 installation and service manual.
Page 26: (Front View)
19 mx420 installation and service manual nav plot pos e tide gps cfg rte aux ais c wpt rubber seal 13 9 m m 14 5 m m 266 mm 271 mm all dimensions in mm. Mx420_dim.Cdr figure 3.1 mx420 display console dimensions (front view).
Page 27: (Top and Side View)
20 mx420 installation and service manual 53mm 81.5mm 28.5mm 11 8.5m m 13. 25m m 13.25mm 147 .5m m mounting bracket 50mm 100 mm cable dressing space 53mm 6137-01b.400 7mm 10mm 251mm 10mm rear panel 28.5mm 24.5mm figure 3.2 mx420 display console dimensions (top and side view).
Page 28: Figure 3.3 Gimbal Mount
21 mx420 installation and service manual na v p l ot p os e ti de gp s cf g rt e a u x ai s c wp t nav plot pos e tide gps cfg rte aux ais c wpt 147.5 m m 298 mm figure 3.3 gimbal mount 6290-11a.400
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22 mx420 installation and service manual 251mm 119 m m mx 420 flush mount hole size requirements minimum free space 100 mm maximu 9 mm rear panel minimum bend radius 50 mm figure 3.4 standard flush mount and cable clearance.
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23 mx420 installation and service manual 119 m m mx 420 flush mount frame hole size requirements 271mm front panel figure 3.5 optional flush mount frame installation.
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24 mx420 installation and service manual 89 m m 182 mm 1 in.- 14 tpi 8-pin connector 20 m m 1 in. Dia. Mounting pole (user supplied) figure 3.6 mx421/b antenna dimensions and mount specifications.
Page 32: Section 4
25 mx420 installation and service manual section 4 electrical installation drawings.
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26 mx420 installation and service manual.
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27 mx420 installation and service manual m x 422 p ro fessi o na l d g p s n a vi g at or m x 422 p ro fessi o na l d g p s n a vi g at or m x 4 20/2 mx 4 2 1 or m x 421 b te rm inal b loc k (u se r s upp lied ) c abl e a nm ea1 nm ea2 ( r s -232 /rs -42 2) n m e a 3/a nt. I/o) s w itc hed 12 v d c ...
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28 mx420 installation and service manual m x 4 22 p ro fes si o n al d g p s n avi g at o r r e d [ p w r i n + 12~ 32 v d c] r e d/ w h t [ + 12 v o u t t o m x421] br n [n me a 1 i n (a )] br n /w h t [n m e a1 in (b )] p r p l [ n m e a1 o u t (a )] p r p l /w h t [n m e a 1 o u t (b )] or g or g...
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29 mx420 installation and service manual mx 422 professional dgps navigator mx 420/8 mx 421 or mx 421b terminal block (3x) (user supplied) cable a nmea1 nmea3/gps digital in(2) digital in(1) ext. Mob nmea5 nmea6 *nmea4 (tx only) nmea7 nmea8 nmea9 nmea10 1 pps nmea2 (rs-232/rs-422) ext. Alarm cable b...
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30 mx420 installation and service manual mx 422 professional dgps navigat or mx 422 professional dgps navigat or blk blk/wht brn brn/wht red (mob/event) red/wht (not used) org (nmea5 in - a) org/wht (nmea5 in - b) yel (nmea5 out - a) yel/blk (nmea5 out - b) grn (nmea 6 in - a) grn/wht (nmea6 in-b) b...
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31 mx420 installation and service manual m x 4 2 2 p rof es si ona l d g ps n a vi ga to r m x 4 2 2 p ro fe ssi on a l d g p s n avi ga to r mx 42 0/ 8 (m a st er ) m x 42 0/ 2 (s la ve ) m x 42 1/ b nm ea 1 ou t nmea 1 in nm e a 1 i n nme a 1 o u t c abl e ( a ) c abl e ( a ) figure 4.5 mx420/br d...
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32 mx420 installation and service manual m x 422 p ro fess io na l d g ps n av ig at o r m x 422 pr o fes si on al d g p s navi ga to r r e d [ p w r i n + 12~ 32 vdc ] r e d /w h t [+ 12 v o ut t o m x421] re d [p w r in + 12 ~ 32 v d c] r e d /w h t [ + 12 v out to m x421] b r n [n m e a 1 in (a )...
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33 mx420 installation and service manual m x 42 2 p ro fes si on a l d g ps n avi g at o r m x 4 22 p ro fes si on al d g p s n avi g a to r mx 42 0/ 8 (m as te r) m x 42 0/ 8 (sl ave ) m m x x 4 4 2 2 1 1 / / b b nm e a 1 o u t nm e a 1 in nm ea 1 i n nm e a 1 o u t cab le ( a ) c abl e ( a ) figur...
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34 mx420 installation and service manual m x 422 pr of es si ona l d g ps n av iga to r m x 4 22 pr of ess io na l d g ps n av ig at or re d [p w r in +1 2~ 3 2 v dc ] re d /w h t [ + 1 2 v o ut to mx 42 1 ] r e d [ p w r i n + 1 2~ 32 v dc ] r e d /w h t [ + 12 v o ut to m x42 1] b r n [n me a 1 in...
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35 mx420 installation and service manual cable a 2.0 meters 18-pin female connector red [pwr in +12~32 vdc] red/wht [+12 v out to ant.] brn [nmea1 in (a)] brn/wht [nmea1 in (b)] prpl [nmea1 out (a)] prpl/wht [nmea1 out (b)] org [nmea3 / gps in (a) from ant.] org/wht [nmea3 / gps in (b)] yel [nmea3 /...
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36 mx420 installation and service manual cable b 2.0 meters 18-pin male connector cable b 18-pin (male) connector blk [digital2 in (log)] blk/wht [digital1 in] shield (gnd) red (ext. Mob/event) ref. To pwr. Gnd. Red/wht (not connected) yel [nmea5 out (a)] yel/blk [nmea5 out (b)] grn [nmea 6 in (a)] ...
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37 mx420 installation and service manual cable c 2.0 meters 18-pin male connector cable c 18-pin (male) connector blk [nmea8 in (a)] blk/wht [nmea8 in (b)] shield (gnd) brn [nmea9 in (a)] brn/wht [nmea9 in (b)] red [nmea9 out (a)] red/wht [nmea9 out (b)] org [nmea10 in (a)] org/wht [(nmea10 in (b)] ...
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38 mx420 installation and service manual figure 4.12 mx420/2 rear panel connector figure 4.13 mx420/8 rear panel connectors.
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39 mx420 installation and service manual *yellow (beacon status out -.) green (gps out+) 8 2 3 4 5 6 7 1 black (gnd) *white (beacon status out +.) orange(gps out-) mx421 (8 pin conn.) red (+12 vdc in) blue (lpm in -) brown (lpm in +) pin# wire signal 8* 8* connect to cable b (brown) for mx420/8 or m...
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40 mx420 installation and service manual mx421-10 (10 pin conn.) *yellow (beacon out-) green (gps out+) 8 9 10 2 3 4 5 6 7 1 black (gnd) *white (beacon out+) ***purple (1pps +) ***purple/gray (1pps -) orange(gps out-) red (+12 vdc in) blue (lpm in -) brown (lpm in +) pin# wire signal 8* 9*** 10*** w...
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41 mx420 installation and service manual mx421-10 (10 pin conn.) *yellow (beacon status out-) green (gps out+) 8 9 10 2 3 4 5 6 7 1 black(gnd) *white (beacon status out+) ***purple (1pps +) ***purple/gray (1pps -) orange(gps out-) red (+12 vdc in) blue (lpm in -) brown (lpm in +) pin# wire signal 8*...
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42 mx420 installation and service manual.
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Figure 4.17 mx420/ais cdu & mx423 (saab) transponder system block diagram vhf ant. Gps ant. Config rtcm** mx423-ais transponder aux psp * auxiliary gps receiver connection using nmea 0183 interface. ** rtcm - differential correction from a beacon receiver. Gp s vh f a c b mx421 smart gps antenna mx4...
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Figure 4.18 mx420/ais cdu & mx423 (saab) transponder system wiring diagram mx 42 2 pro f ess io n al d g ps n avi ga to r blk [digital in 2] blk/wht [digital in 1] brn [nmea4 / beacon in (a)] brn/wht [nmea4 / beacon in (b)] org [nmea5 in (a)] org/wht [nmea5 in (b)] org org/wht yel [nmea5 out (a)] ye...
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Gps vhf long rng. Gyro & rot pilot pc speed log (nmea) lan atlas ecdis/ arpa non-atlas ecdis/ arpa pdp lr s1 s2 s3 (gll,dtm,vtg) pp gps ant. Vhf ant. Mx531 ais transponder mx420/ais or mx420/mkd mx421b-10 smart dgps antenna (not required for mkd). Ext. Gps ext. Alarm gps out (gll) spd log (pulses) f...
Page 53: Mx531 Tranponder Unit
Mx 422 profession al dg ps n avigat or blk [digital in 2] blk/wht [digital in 1] brn [nmea4 / beacon in (a)] brn/wht [nmea4 / beacon in (b)] org [nmea5 in (a)] org/wht [nmea5 in (b)] org or g /w h t yel [nmea5 out (a)] yel/blk [nmea5 out (b)] ye l yel /b l k grn [nmea6 in (a)] grn/wht [nmea6 in (b)]...
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A b c jb-50 j- box mx535 ais transponder gyro speed gps pilot plug cx4 vhf ant gps ant. Mx antenna (optional) figure 4.21 mx420/ais/mkd cdu & mx535 (nauticast) transponder block diagram.
Page 55: Mx535 Tranponder Unit
Mx 422 profes sion al dg ps n avigat or blk [digital in 2] blk/wht [digital in 1] brn [nmea4 / beacon in (a)] brn/wht [nmea4 / beacon in (b)] org [nmea5 in (a)] org/wht [nmea5 in (b)] yel [nmea5 out (a)] yel/blk [nmea5 out (b)] grn [nmea6 in (a)] grn/wht [nmea6 in (b)] blu [nmea6 out (a)] blu/wht [n...
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Gps ant. Vhf ant. Gyro rot long range rtcm sc 104 unit (refer to mx535 ais transponder technical & installation manual for more details) 3 meter d-sub 50 pins (female) ais - cable 21x2x0,14 6x1,0 halogenfree header 50 pins cable gland ip67 (en60529) cable gland ip67 (en60529) power c abl e gl an d i...
Page 57: Section 5
50 mx 420 installation and service manual section 5 installation notes.
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51 mx 420 installation and service manual.
Page 59: General
52 mx 420 installation and 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 ...
Page 60: Navigator Grounding.
53 mx 420 installation and 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 al...
Page 61: Antenna Cable Options
54 mx 420 installation and 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 8-pin conn. 10-pin conn. (mx421-10) pin # wire color mx421 gps mx421b dgps mx421-10 gps mx421-10b dgps 1 blk/ shield negative grou...
Page 62: Gimbal Mounting
55 mx 420 installation and 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 w...
Page 63: Equipment Interfacing
56 mx 420 installation and 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 ...
Page 64: External Alarm Output
57 mx 420 installation and 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...
Page 65
58 mx 420 installation and 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 must be connected to an independent battery backed-up ala...
Page 66: Mx420 Pc Interface
59 mx 420 installation and service manual 14 15 17 nmea2 out a nmea2 out b txd rs-422 conn.A rs-232 a a 10 11 6 5 14 13 2 3 1 15 1a 4a 1z 1y 3z 4z 4y 2z 2y 3y 2a 3a g g 7 3 2 5 6 da dy ry rs rtc figure 5.1 port 2: rs- 422 / rs- 232 port schematic mx420 pc interface the diagram below shows the bi-dir...
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60 mx 420 installation and 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 old...
Page 68: Mx420 Nmea 0183 Sentences
61 mx 420 installation and service manual mx420 nmea 0183 sentences the nmea standard provides for asynchronous transmission, with a single talker and multiple listeners per line. Typical use includes information transfer from electronic positioning and navigational devices to autopilots, plotters, ...
Page 69: Nmea Output Sentences
62 mx 420 installation and service manual example: $gpxte,a,a,3.42,l,n*hh field #: 1 2 3 4 5 6 7 8 9 sentence terminator optional checksum (hex) in ver. 1.5 & 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 (nautic...
Page 70: Input Nmea 0183 Sentences
63 mx 420 installation and service manual id description id description * apa autopilot sentence a rmb recommended minimum navigation information apb autopilot sentence b rmc recommended minimum specific gps/ transit data bod bearing origin to destination *rnn routes bwc bearing & distance to waypoi...
Page 71: Viewing Input Data
64 mx 420 installation and 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 location which is contained in the received wpl sentence the mx420 does...
Page 72
65 mx 420 installation and service manual press the up or 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 thi...
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66 mx 420 installation and service manual the interface between the two units 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...
Page 74
67 mx 420 installation and 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 ...
Page 75: Mx420/ais Installation
68 mx 420 installation and 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 th...
Page 76: Troubleshooting Guide
69 mx 420 installation and service manual vhf gps config mx 42 2 p ro fe ssi on al dg ps n avigat o r gps beacon gyro ecdis/ arpa long- range pilot- port log optional mx421/b mx420 ais basic configuration mx423 ais transponder interface the nmea 5 port of the mx420/ais (or mkd) connects to the bidir...
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70 mx 420 installation and service manual problem diagnosis no response: (black lcd display and no traffic light) no external power supply check supply voltage check for reverse polarity check wire installation check if external fuse is blown no keyboard response or partial keyboard response corrupt...
Page 78: Memory Backup Battery
71 mx 420 installation and 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 ...
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72 mx 420 installation and 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. 3....
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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.