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Novus NR2310-O/G, User Manual

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Novus NR2310-O/G User Manual Download Page 9

 

 

USERS MANUAL 

NR2310-O/G 

REVISION 

H 

DATE 

7/17/20 

 

Page  #: 

9 of 21 

www.novuspower.com 

 

 

 

 

TYPICAL PHASE NOISE PERFORMANCE 

– RUBIDIUM WITH OCXO 

 

 

 
 
 

When the stability of an atomic or crystal source is not sufficient, a GNSS 
disciplined reference is an option. A GNSS receiver is installed and timing 
information from the GNSS is used to discipline the timing device. Timing 
accuracy to a few ppb is readily achievable. 
 

 

 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for NR2310-O/G

Page 1: ...m NR2310 O G 10MHz Frequency Reference OCXO GNSS Locked 10 Channel All information provide herein is the property of Novus Power Products LLC The information included may be reproduced without the per...

Page 2: ...ata 11 Typical Phase Noise Performance 12 Controls and Indicators 13 Channel Status Front Panel LEDs 13 Alert Front Panel LED 13 Oven Front Panel LED 13 Rear Panel 14 Channel 1 through 10 BNC 14 Alert...

Page 3: ...USERS MANUAL NR2310 O G REVISION H DATE 7 17 20 Page 3 of 21 www novuspower com Overview...

Page 4: ...curacy of 30 ns rms The unit may be ordered with the PPS level at 3 3 or 5 VDC CMOS levels and are capable of driving a 50 Ohm load units manufactured after March 2020 The GNSS transmits a wealth of d...

Page 5: ...ory and in the event of a GPS loss the saved coefficients are applied to the OCXO This effectively eliminates long term crystal drift The NR2310 O G also incorporates built in test to monitor critical...

Page 6: ...use an AT cut crystal and electronically compensate the device with temperature An OCXO device uses a SC stress compensated crystal and the part is held at a fixed temperature to minimize temperature...

Page 7: ...ions where a stability of a few ppm is acceptable a TCXO can be a cost effective alternative The SC cut results in a much higher Q device and achieves much lower phase noise than the AT cut The device...

Page 8: ...r a typical OCXO stability of 1 ppb year is very common Atomic sources are very complex and while a very stable source phase noise performance may not be acceptable for many applications TYPICAL PHASE...

Page 9: ...PERFORMANCE RUBIDIUM WITH OCXO When the stability of an atomic or crystal source is not sufficient a GNSS disciplined reference is an option A GNSS receiver is installed and timing information from t...

Page 10: ...rotocol The 26 channel high sensitivity high accuracy multi GNSS receiver supports TRAIM GPS GLONASS QZSS SBAS Active Anti Jamming and Advanced Multipath Mitigation Functions Typical Antenna Specs Fre...

Page 11: ...00 000 0 019 15 10000000 001 0 051 10000000 000 0 021 16 10000000 000 0 046 10000000 000 0 021 17 10000000 000 0 045 10000000 000 0 028 18 10000000 000 0 036 10000000 000 0 016 19 10000000 000 0 038 1...

Page 12: ...G REVISION H DATE 7 17 20 Page 12 of 21 www novuspower com Typical Phase Noise Performance The NR2310 O G delivers a low phase noise which can be seen in the sample production test below NR2310 O G Ph...

Page 13: ...O G monitors the oven in two different ways For units shipped before February 2016 the front panel OVEN LED was used to indicate oven and GPS lock status Oven LED GREEN Constant Oven Good GNSS lock G...

Page 14: ...al fault on the output The fault status is indicated on the front panel and on the LCD when in the channel status mode The fault status and the protection on each output facilitates installation and h...

Page 15: ...ower in the range 90 to 264VAC 50 to 60 Hz This allows global application The design is such that no action need be taken to operate from global power types This feature alleviates installation damage...

Page 16: ...igh efficiency of switching converters is well known and holds a major position in the power supply industry But one of the problems with a switching converter is noise By its nature a switching power...

Page 17: ...PPS Amplitude for 1PPS 3 3 VDC CMOS 5 VDC option Pulse width for 1PPS Programmable 1 to 500ms in 1 ms steps Rise time for 1PPS 10 ns faster edge available Jitter GNSS PPS 10ns Connector SMA Load Impe...

Page 18: ...dBc Fo 60 MHz DC Current 25 mA 3 5 VDC Environmental and Mechanical Operating Temperature 0 to 50 C non condensing Storage Temperature 40 to 70 C Height 1RU 1 73 Width 19 0 inches Depth 12 0 inches AC...

Page 19: ...receipt is your proof of the purchase date You may be required to provide proof of purchase as a condition of receiving warranty service You are entitled to hardware warranty service according to the...

Page 20: ...ARY LOSS ARISING OUT OF THE USE OF OR INABILITY TO USE THE HARDWARE SUPPLIED THEREWITH EVEN IF NOVUS OR ANYONE ELSE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR FOR ANY CLAIM BY ANY OTHER PA...

Page 21: ...USERS MANUAL NR2310 O G REVISION H DATE 7 17 20 Page 21 of 21 www novuspower com 8 0 Appendix A Receiver Communication Specification Attachment...

Page 22: ...GNSS Receiver Communications Specification NMEA 0183 All information provided herein is the proprietary property of Novus Power Products L L C The information included may be reproduced without the pe...

Page 23: ...MAT 17 6 PROPRIETARY NMEA INPUT SENTENCES 18 GNSS SATELLITE SYSTEM CONFIGURATION 4 8 19 FIXMASK SETTING OF POSITIONING AND SATELLITE MASK 4 20 PPS SETTING OF PPS PULSE PER SECOND 4 FORMAT 22 RESTART R...

Page 24: ...PER SECOND PPS 4 FORMAT 44 CRY TPS3 OUTPUT TIME TRANSFER INFO PER SECOND SURVEY TRAIM FORMAT 46 CRZ TPS4 OUTPUT TIME TRANSFER INFO PER SECOND FREQUENCY 3 FORMAT 48 CRM MEASUREMENT DATA OF GPS 50 CRN...

Page 25: ...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 26: ...58 2 Serial data output timing 4 The output timing of serial data is synchronous with PPS output timing Serial data is begun to output in the 25ms to 75ms range after PPS is output The time of serial...

Page 27: ...ceeding 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 nul...

Page 28: ...ngth 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...

Page 29: ...ill 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 tran...

Page 30: ...g 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 Un...

Page 31: ...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 32: ...ning 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 11 Age of differe...

Page 33: ...n 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 34: ...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 76 GLGSV 3 2 09 70 25 315 46 78 24 031 42 85 18 293 44 84 16 24...

Page 35: ...Users manual Appendix A Revision A Date 07 14 15 Page 14 of 58 Satellite number from 93 to 99 indicates QZSS 193 to 199...

Page 36: ...00 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 ye...

Page 37: ...Date 07 14 15 Page 16 of 58 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 Cour...

Page 38: ...oning 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...

Page 39: ...Users manual Appendix A Revision A Date 07 14 15 Page 18 of 58 6 Proprietary NMEA Input Sentences These sentences are input commands for the protocol of this receiver...

Page 40: ...an 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 Mode 1 means to enable tracking only do not use in position fix etc Mode 2 means to en...

Page 41: ...ites 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...

Page 42: ...S 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 aft...

Page 43: ...o 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 44: ...ment 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 alig...

Page 45: ...Notes 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 cle...

Page 46: ...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 timing please refer to the follow event date...

Page 47: ...Format 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 48: ...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 means the south latitude...

Page 49: ...Users manual Appendix A Revision A Date 07 14 15 Page 28 of 58 Fixed position 37 78700 degrees north 122 45100 degrees west Altitude 31 5 m...

Page 50: ...are 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 posi...

Page 51: ...Users manual Appendix A Revision A Date 07 14 15 Page 30 of 58 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 52: ...le 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 53: ...leap 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 befo...

Page 54: ...arameter 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 t...

Page 55: ...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...

Page 56: ...two 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 co...

Page 57: ...the 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 seco...

Page 58: ...he 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 output only once After th...

Page 59: ...manual Appendix A Revision A Date 07 14 15 Page 38 of 58 In case of using low baud rate please adjust size of output sentence by NMEAOUT command and CROUT command to output all sentence within one se...

Page 60: ...RSION 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...

Page 61: ...fault 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 re...

Page 62: ...p 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 update schedule 5 p...

Page 63: ...Users manual Appendix A Revision A Date 07 14 15 Page 42 of 58 Pps status present pps is sync with UTC USNO...

Page 64: ...Before 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 65: ...than 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 puls...

Page 66: ...tput every second PERDAPI 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 differe...

Page 67: ...55 3byte 000 3 Sigma threshold 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...

Page 68: ...ioning mode Survey mode calculation 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 Remove...

Page 69: ...urate 1 GCLK PPS and GCLK 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 dimens...

Page 70: ...15 Page 49 of 58 PERDCRZ 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 PERDAP...

Page 71: ...s 4 system 1 GNSS system 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 doppfre...

Page 72: ...a no parirt included Example PERDCRN 1 7 8B0B349809AC00424A2471C5FF9F27BB10C82EB5884CC987FFA50C0BF2A8 0C Notes For each GPS satellite decoding data this string is output once every 6 seconds For GPS t...

Page 73: ...eld Example PERDSYS VERSION 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...

Page 74: ...ION ON 19015 19 015 7C Notes 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 r...

Page 75: ...sent when certain events 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 Exampl...

Page 76: ...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 parameter of command COMMAND NAME PARAMET...

Page 77: ...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 NMEAOUT NMEA output interval YES YES YES YES N...

Page 78: ...rding to the terms and conditions of this document if a repair to your NOVUS product is required during the limited warranty period Our obligation at NOVUS is limited to repair or replace products whi...

Page 79: ...Y ANY OTHER PARTY EXCLUDED DAMAGES SHALL INCLUDE BUT ARE NOT LIMITED TO COSTS OF REMOVAL AND INSTALLATION LOSSES SUSTAINED AS THE RESULT OF INJURY TO ANY PERSON OR DAMAGE TO PROPERTY EXCLUSIVE REMEDIE...

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