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Novus N4430-O-G, Manual

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Users manual 

N4430-O-G 

Revision #: 

B 

Date:  

8-23-18 

 

 

Page 

2

 of 

74

 

 

 
 

Contents 

1.0 Summary ..................................................................................................................... 4

 

1.1 Dimensions ........................................................................................................................................ 5

 

1.2 Input/Output/Indicators ............................................................................................ 6

 

2.0 Controls and Indicators ............................................................................................... 7

 

2.1 GNSS Lock LED .................................................................................................................................. 7

 

2.2 Satellite Number Counter LED ............................................................................................................. 7

 

2.3 Status Good Signal (CMOS 3V3 Active High) ........................................................................................ 7

 

2.4 UART TX/RX ...................................................................................................................................... 7

 

2.5 Power connector detail ....................................................................................................................... 8

 

3.0 Inputs / Outputs ......................................................................................................... 8

 

3.1 GNSS Antenna (MCX) ......................................................................................................................... 9

 

3.2 PPS 1 / PPS 2 (MMCX) ...................................................................................................................... 10

 

3.4 10MHz Sine ..................................................................................................................................... 12

 

3.5 Serial/UART/NMEA ........................................................................................................................... 12

 

4.0 Typical Phase Noise ................................................................................................... 12

 

5.0 Built-in Test ............................................................................................................... 13

 

6.0 Power ........................................................................................................................ 13

 

7.0 GNSS Function ........................................................................................................... 13

 

8.0 Mechanical................................................................................................................. 15

 

9.0 Communication Specification .................................................................................... 16

 

Serial data output timing 

△

4 ............................................................................................ 17

 

NMEA Sentence Format ................................................................................................... 18

 

Proprietary Sentence Format: ......................................................................................... 19

 

Standard NMEA Output Sentences .................................................................................. 20

 

GGA 

–

 Global Positioning System Fix Data Format: .................................................................................. 21

 

GLL 

–

 Geographic Position - Latitude/Longitude

 

△

6 ................................................................................ 22

 

GNS 

–

 GNSS Fix Data Format: ................................................................................................................ 23

 

GSA 

–

 GNSS DOP and Active Satellites

 

△

4 ............................................................................................. 25

 

GSV 

–

 GNSS Satellites in View 

△

4 ........................................................................................................... 26

 

RMC 

–

 Recommended Minimum Navigation Information

△

6 ....................................................................... 28

 

VTG 

–

 Course Over Ground and Ground Speed Format: ........................................................................... 30

 

ZDA 

–

 Time & Date Format: ................................................................................................................... 30

 

Proprietary NMEA Input Sentences ................................................................................. 31

 

GNSS 

–

 Satellite System Configuration 

△

4

△

8 ........................................................................................... 32

 

FIXMASK 

–

 Setting of Positioning and Satellite Mask 

△

4 ........................................................................... 34

 

PPS 

–

 Setting of PPS

（

Pulse per second

）

△

4 Format: .............................................................................. 36

 

Summary of Contents for N4430-O-G

Page 1: ...ocked Reference with OCXO Holdover AutoCal All information provided herein is the property of Novus Power Products L L C The information included may be reproduced without the permission or prior appr...

Page 2: ...nction 13 8 0 Mechanical 15 9 0 Communication Specification 16 Serial data output timing 4 17 NMEA Sentence Format 18 Proprietary Sentence Format 19 Standard NMEA Output Sentences 20 GGA Global Positi...

Page 3: ...e Input output Format 54 Proprietary NMEA Output Sentences 55 ACK Output the Command Reception Check Format 55 CR eRide GNSS Core Library Interface 56 CRW TPS1 Output Time Transfer Info per Second Dat...

Page 4: ...nal The signal source is a GNSS disciplined OCXO actively controlled by complex algorithm designed to minimize frequency error and PPS jitter The 10 MHz sine output is sourced from an intrinsically lo...

Page 5: ...Users manual N4430 O G Revision B Date 8 23 18 Page 5 of 74 1 1 Dimensions Con 14 is a 10 pin header unpopulated with 0 100 spacing Pin 1 at x 2951 mils y 1152 mils Pin 10 at x 3047 mils y 750 mils...

Page 6: ...ision B Date 8 23 18 Page 6 of 74 1 2 Input Output Indicators 1 10MHz Sine Out MCX 1Vrms 2 PPS 1 Out MMCX 3V3 CMOS 3 PPS 2 Out MMCX 3V3 CMOS 4 Satellited LED 5 Antenna Input MMCX 6 Lock LED 7 Power Al...

Page 7: ...ing this LED could help troubleshoot the problem If only a few satellites can be acquired the antenna may need to be confirmed to make sure it has a clear view of the sky 2 3 Status Good Signal CMOS 3...

Page 8: ...PPS CMOS 2 UART TX CMOS 3 GND 4 Alert CMOS 5 GND 6 N C 7 UART RX CMOS 8 5Vdc 9 5Vdc 10 GND 3 0 Inputs Outputs Each 10MHz or PPS output is fault and electrostatic discharge protected Each output is in...

Page 9: ...3 5VDC 45ma max Antenna specifications should meet the following characteristics Operating Frequency 1575 42 MHz 2 MHz Input Impedances 50 Ohm VSWR 1 5 typical Bandwidth 25 MHz typical 3dB points Pola...

Page 10: ...has a jitter level that is on the order of 6 ns pulse to pulse The Synthesized PPS is derived from the crystal and has a pulse to pulse jitter level of below 1 ns after 30 mins at stable temperature...

Page 11: ...Users manual N4430 O G Revision B Date 8 23 18 Page 11 of 74 Stabilized PPS...

Page 12: ...ogic level CMOS Default baudrate is 38400 1 stop bit no parity The status GPNVS strings follow the format defined in GPNVS String Definitions document available to download from the website 4 0 Typica...

Page 13: ...icles SVs to obtain an accurate 3 D position fix When travelling in a valley or built up area or under heavy tree cover you will experience difficulty acquiring and maintaining a coherent satellite lo...

Page 14: ...one of the two points will be totally unreasonable possibly many kilometers out into space This assumes the satellite and receiver timing to be identical In reality when the receiver compares the inc...

Page 15: ...on For further support please contact the factory at 866 313 9401 There is free software that can be downloaded from www synreference com that will allow baud rate changes cable compensation and other...

Page 16: ...data NMEA Standard sentence NMEA Proprietary sentence Output data NMEA Standard sentence NMEA Proprietary sentence Note 1 Communication speed can be changed into 4800 9600 19200 38400 57600 or 115200...

Page 17: ...f 74 Serial data output timing 4 The output timing of serial data is synchronous with PPS output timing Serial data starts in the 25ms to 75ms range after PPS pulse occurs t The time in the serial dat...

Page 18: ...eeding pages is a wildcard meaning any valid talker ID data field Variable or fixed length fields preceded by delimiter comma Comma s are required even when valid field data are not available i e null...

Page 19: ...th fields preceded by delimiter comma Layout is maker definable checksum field 8 bits data between and excluding and are XORed and the resultant value is converted to 2 bytes of hexadecimal letters No...

Page 20: ...l be output every second The sentences can be independently enabled and disabled using the PERDCFG NMEAOUT and or PERDAPI CROUT command described later in this document as well as use differing transm...

Page 21: ...1 Valid fix 2 DGPS positioning 00 12 1 8 Horizontal dilution of precision HDOP 0 0 50 0 Note A null field is output while positioning is interrupted 9 Altitude above below mean sea level geoid 10 Uni...

Page 22: ...North South 00 0000 59 9999 N or S 3 4 Longitude ddd degree 000 180 mm mmmm minute 00 0000 59 9999 5 a East West UTC hh hour E or W 00 23 mm minute 00 59 ss sss second 00 000 59 999 6 Status 6 A or V...

Page 23: ...s used for positioning 00 32 8 Horizontal dilution of precision HDOP 0 0 50 0 Note A null field is output while positioning is interrupted 9 Altitude above below mean sea level geoid 10 Geoidal height...

Page 24: ...Users manual N4430 O G Revision B Date 8 23 18 Page 24 of 74 Navigation Status Indicator Not Valid...

Page 25: ...a Example GNGSA A 3 09 15 26 05 24 21 08 02 29 28 18 10 0 8 0 5 0 5 1 33 GNGSA A 3 79 69 68 84 85 80 70 83 0 8 0 5 0 5 2 30 2D 3D Auto switching mode 3D fix Satellite used 09 15 26 05 24 21 08 02 29...

Page 26: ...28 11 067 41 1 68 GPGSV 4 3 14 08 07 035 38 29 04 237 39 02 02 161 40 50 47 163 44 1 67 GPGSV 4 4 14 42 48 171 44 93 65 191 48 1 60 GLGSV 3 1 09 79 66 099 50 69 55 019 53 80 33 176 46 68 28 088 45 1 7...

Page 27: ...G Revision B Date 8 23 18 Page 27 of 74 Satellite number from 33 to 51 indicates SBAS 120 to 138 Satellite number from 65 to 92 indicates GLONASS slot 01 to slot 28 Satellite number from 93 to 99 indi...

Page 28: ...0 59 9999 a North South N or S 5 6 Longitude ddd degree 000 180 mm mmmm minute 00 0000 59 9999 a East West E or W 7 Speed kts 8 True Course degree 9 Date dd date mm month yy last two digits of the yea...

Page 29: ...Date 8 23 18 Page 29 of 74 Example GNRMC 012344 000 A 3442 8266 N 13520 1233 E 0 00 0 00 191132 D V 0B UTC 01 23 44 000 Differential 34 deg 42 8266 min N 135 deg 20 1233 min E Speed 0 0 kts True Cours...

Page 30: ...ning System Mode Indication A D or N A Autonomous D Differential N Data Invalid Example GNVTG 0 00 T M 0 00 N 0 00 K D 26 True Course 0 00 degrees Speed 0 00 kts 0 00 km h Mode Differential ZDA Time D...

Page 31: ...Users manual N4430 O G Revision B Date 8 23 18 Page 31 of 74 Proprietary NMEA Input Sentences These sentences are input commands for the protocol of this receiver...

Page 32: ...controls which Global Navigation Satellite Systems are used by the receiver The mode can be set to 0 or 2 for each satellite system User can also set SBAS mode to 1 Mode 0 means to disable the system...

Page 33: ...0 O G Revision B Date 8 23 18 Page 33 of 74 Cold restart time also be cleared is run when satellite system configuration is changed from to glonass only fix configuration In the others configuration h...

Page 34: ...tes indicated by this field are not used in the position fix calculation Lowest order bit means SV 01 Highest order bit means SV 32 4 8 Prohibit SVs GLONASS 28BIT HEX 0 GLONASS Satellite number mask E...

Page 35: ...BIT9 SVID 9 GLONASS mask GLONASS BIT1 SVID 65 SBAS mask SBAS BIT18 SVID 50 Notes It is applied not only to First Fix or the time of a positioning return but to all thepositioning It is omissible afte...

Page 36: ...1 0 PPS output interval 0 1PPS A pulse is output per second 1 PP2S A pulse is output per two seconds 5 pulse width 1 to 500 200 PPS pulse width ms 6 cable delay 100000 to 100000 0 PPS cable delay ns...

Page 37: ...ent of PPS by TIMEALIGN command The default is UTC USNO As for details please refer to the page of TIMEALIGN command The condition of PPS synchronization is the follow 1 GPS alignment 2 UTC USNO align...

Page 38: ...otes 4 As for the differences depending on the restart mode please refer to the page of Backup of the Receiver Parameters for BBRAM The data which is stored by FLASHBACKUP command in Flash is not clea...

Page 39: ...nput correct date within 1 year Under normal conditions User needs not to set initial time because time is decided by satellite navigation data As for GPS week rollover timing and GT 87 week rollover...

Page 40: ...Users manual N4430 O G Revision B Date 8 23 18 Page 40 of 74 date until 2099 12 31 without user setting even if user turns off GT 87 and backup current...

Page 41: ...ormat PERDAPI TIMEZONE sign hour minute hh CR LF 1 2 3 4 Num Contents Range Default Remark 1 TIMEZONE Command Name 2 sign 0 to 1 0 GMT sign 0 shows positive 1 shows negative 3 hour 0 to 23 0 GMT Hour...

Page 42: ...to position fixed When the threshold value is 0 it is not used 5 latitude 1 90 to 90 0 Latitude for hold position in TO mode degree A positive number means the north latitude and a negative number me...

Page 43: ...Users manual N4430 O G Revision B Date 8 23 18 Page 43 of 74 Mode TO mode Sigma Threshold 0 Time Threshold 0 Fixed position 37 78700 degrees north 122 45100 degrees west Altitude 31 5 m...

Page 44: ...re configured the position mode changes to Position hold mode when either is fulfilled When the threshold value is 0 it is not used The displayed position may differ a little from the configured posit...

Page 45: ...Users manual N4430 O G Revision B Date 8 23 18 Page 45 of 74 J The condition of survey is satisfied Position mode is always started by time only mode if TO mode by this condition and power off Keep...

Page 46: ...e from GCLK PPS edge Example PERDAPI FREQ 1 10000000 47 Mode output Frequency 10MHz Notes It is omissible after the 4th field The response which is inserted current value to each field is obtained by...

Page 47: ...eap second is kept as user setting Example PERDAPI DEFLS 16 AUTO 27 Default leap second 16 second this value is updated automatically Notes It is omissible after the 3rd field This value is used befor...

Page 48: ...rameter In Glonass only mode correct default leap second is needed to output correct time 2 UTC USNO alignment Leap second is applied to output time PPS is output in synchronization with GPS before ta...

Page 49: ...is required 1 OK UTC USNO alignment OK OK OK UTC SU alignment OK OK OK PPS GPS only fix setting GLONASS only fix setting GPS GLONASS setting GPS alignment OK OK OK UTC USNO alignment OK NG OK UTC SU a...

Page 50: ...wo ways to backup data 1 BBRAM BBRAM is RAM which is available to store data as long as backup current is impressed GT 87 can store ephemeris data almanac data and configuration which user sets by com...

Page 51: ...he sentence sec 0 The sentence s is are stopped N M 1 Sentence s is are output every event occurred 0 The sentence s is are stopped Example PERDAPI CROUT W 1 4E CRW TPS1 sentence is output every secon...

Page 52: ...e sentence sec When the value is 0 the sentence is output only once After that the sentence is stopped Example PERDCFG NMEAOUT GGA 2 57 Interval 2 seconds PERDCFG NMEAOUT GSV 0 56 GSV sentence is outp...

Page 53: ...ision B Date 8 23 18 Page 53 of 74 output by the baud rate which was being used In case of using low baud rate please adjust size of output sentence by NMEAOUT commandand CROUT command to output all s...

Page 54: ...SION Software Version Format 1 Num Contents Range Default Remark 1 VERSION Command Name Example PERDSYS VERSION 2C GPIO General Purpose Input output Format 1 Num Contents Range Default Remark 1 GPIO C...

Page 55: ...ult Remark 1 command First field of received command 2 sequence 1 to 255 0 The number of times successful for the reception It is added 1 whenever it succeeds in command reception and 0 to 255 is repe...

Page 56: ...87 has confirmed leap second and applies it 4 update date 14 byte fixed length 00000000000000 Leap second update schedule year month day hour minute second This date indicates zero when no leap second...

Page 57: ...Users manual N4430 O G Revision B Date 8 23 18 Page 57 of 74 Current leap second 15 Future leap second 16 Pps status present pps is sync with UTC USNO...

Page 58: ...efore first fix After first fix After taking confirmed leap second GPS RTC GPS GPS UTC USNO RTC GPS UTC UTC SU RTC GPS UTC About leap second which is used to adjust output time alignment Before first...

Page 59: ...han estimated accuracy threshold 4 period 0 to 1 1byte 0 1PPS output interval 0 1PPS A pulse is output per second 1 PP2S A pulse is output per two seconds 5 pulse width 001 to 500 3byte 200 1PPS pulse...

Page 60: ...I CROUT X 0 40 stops outputting this command Output Values of period pulse width polarity are switched by pps type LEGACY or GCLK PPS estimated accuracy means estimated difference between PPS of GT 87...

Page 61: ...eshold m which changes automatically to position fixed 5 time 0 to 999999 6byte 000000 Current update times of survey position sec It is not updated at the time of positioning interruption 6 time thre...

Page 62: ...alculation continuously 2 Survey sigma 3 m Survey sigma threshold 1 m Survey time 2205 seconds Survey time threshold 86400 seconds TRAIM solution OK 0 TRAIM status OK 0 Removed SVs 0 Receiver status 0...

Page 63: ...frequency are accurate 5 e 999999 to 999999 7byte Phase delay between LEGACY and GCLK PPS no dimensional 6 de 999999 to 999999 7byte Amount of change of phase delay no dimensional 7 lock cnt 0 to 999...

Page 64: ...Z TPS4 1 1 0 000000 000000 000000 000000 000000 000000 0x15 0000 57 Freq mode warm up Freq status output GCLK accuracy accurate Notes This command is output every second PERDAPI CROUT Z 0 42 stops out...

Page 65: ...ID 1 GPS 5 svid 1 to 99 Satellite number 6 reserve 1 to 3 Reserve field 7 snr 0 to 55 Signal to Noise Ration dB Hz 8 adr 32bit Accumulated Doppler Range Cycles LSB 6 9 doppfreq 32bit Doppler Frequency...

Page 66: ...mple PERDCRN 1 7 8B0B349809AC00424A2471C5FF9F27BB10C82EB5884CC987FFA50C0BF2A8 0C Notes For each GPS satellite decoding data this string is output once every 6 seconds For GPS the subframe field is a h...

Page 67: ...ON OPUS7_SFLASH_ES2_64P ENP622A1226410F QUERY N A 1A Notes Character string of the device and version is free format GPIO General Purpose Input output Format 1 2 Num Contents Range Default Remark 1 GP...

Page 68: ...otes This string is sent when certain events occur This is for eRide useonly ANTSEL Antenna selecting 1 Format 1 2 3 Num Contents Range Default Remark 1 ANTSEL Command Name 2 reserve1 reserve field 3...

Page 69: ...occur This is for eRide useonly MSG Event Driven Message 1 Format 1 2 Num Contents Range Default Remark 1 key Alphanumeric event indicator 2 string Description of event Example PERDMSG 1A 06 Notes Th...

Page 70: ...ude YES YES YES NO YES 3 Longitude YES YES YES NO YES 3 Altitude YES YES YES NO YES 3 Ephemeris Ephemeris data YES NO NO NO YES 2 Almanac Almanac data YES YES NO NO YES Chart Backup of the receiver pa...

Page 71: ...ACKUP Backup in flash YES YES YES YES YES Chart Backup of the configure parameter of command COMMAND NAME PARAMETER HOT WARM COLD FACTORY POWER OFF ON UART1 Baud rate of UART1 YES YES YES YES NO NMEAO...

Page 72: ...d Temperature Stability 10 ppb Yearly Aging 30ppb Receiver Sensitivity 155dBm PPS 1 2 30ns RMS accuracy 3 3 volt logic output impedance CMOS 20ma Power Requirements 5 VDC 1 0 amps max 5 Watts Connecto...

Page 73: ...spection and testing costs for any item returned by Buyer under this paragraph which is found to be within specifications and or otherwise not the responsibility of NOVUS under the terms and condition...

Page 74: ...SET FORTH HEREIN FAILS OF ITS ESSENTIAL PURPOSE IN NO EVENT WILL NOVUS BE LIABLE TO YOU FOR ANY SPECIAL CONSEQUENTIAL INDIRECT OR SIMILAR DAMAGES INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS OF BUSIN...

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