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Novus NR3700-O/G, Manual

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Novus NR3700-O/G Manual Download Page 10

 

 

Users manual 

NR3700-O/G 

Revision #: 

A 

Date:  

9-13-16 

 

Page  #: 

10 of 19 

www.novuspower.com

 

 

 

Typical acceptance testing data for the NR3620-CAL GNSS Locked Reference 

 

 

 
 
 

Date

1/12/2015

Model  NR3620-CAL

Tech

DS

Serial

03150565

Count 

(second)

Frequency

Actual -

Deviation 

(ppb)

Frequency 

Unlocked

Actual -

Deviation 

(ppb) Unlocked

1.25

1

9999999.998

-0.174

9999999.995

-0.545

1.00

2

9999999.998

-0.198

9999999.994

-0.563

0.99

3

9999999.998

-0.198

9999999.995

-0.543

0.8

4

9999999.998

-0.176

9999999.995

-0.538

5

9999999.998

-0.163

9999999.994

-0.554

6

9999999.998

-0.173

9999999.995

-0.546

7

9999999.998

-0.176

9999999.994

-0.564

8

9999999.998

-0.223

9999999.995

-0.521

Frequency Specification

9

9999999.998

-0.230

9999999.994

-0.552

10

9999999.998

-0.193

9999999.994

-0.556

Cal Exp 

Date

11

9999999.998

-0.212

9999999.995

-0.530

9/8/2015

12

9999999.998

-0.217

9999999.995

-0.529

13

9999999.998

-0.220

9999999.995

-0.507

14

9999999.998

-0.200

9999999.995

-0.526

15

9999999.998

-0.177

9999999.994

-0.553

16

9999999.998

-0.226

9999999.994

-0.563

17

9999999.998

-0.178

9999999.995

-0.527

18

9999999.998

-0.223

9999999.994

-0.565

19

9999999.998

-0.225

9999999.995

-0.537

20

9999999.998

-0.206

9999999.994

-0.568

21

9999999.998

-0.245

9999999.995

-0.524

22

9999999.998

-0.184

9999999.995

-0.526

23

9999999.998

-0.213

9999999.995

-0.546

24

9999999.998

-0.223

9999999.994

-0.551

25

9999999.997

-0.255

9999999.995

-0.502

26

9999999.998

-0.232

9999999.995

-0.549

27

9999999.998

-0.238

9999999.994

-0.587

28

9999999.997

-0.277

9999999.994

-0.568

29

9999999.997

-0.254

9999999.995

-0.516

30

9999999.998

-0.219

9999999.994

-0.561

Hi Limit

Measurenment Hi

Measurement Low

Low limit

Model

Agilent 53230a

Limit ±15ppb

Equipment

Frequency Counter

Frequency Unlocked

Output amplitude

Novus- Reference Group

201 N Forest Ave Suite 225

Independence, MO 64050

866 984 6887

Frequency Locked

Actual

-2.000

-1.500

-1.000

-0.500

0.000

0.500

1.000

1.500

2.000

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

De

vi

a

ti

o

n

 p

p

b

count (seconds)

Frequency Data 

-20.000

-15.000

-10.000

-5.000

0.000

5.000

10.000

15.000

20.000

1 3 5 7 9 11131517192123252729

De

vi

a

ti

o

n

 p

p

b

count (seconds)

Frequency Data Unlocked 

Summary of Contents for NR3700-O/G

Page 1: ...Reference OCXO GPS GNSS Locked Single Channel Auto Cal All information provided herein is the proprietary property of Novus Power Products L L C The information included may be reproduced without the...

Page 2: ...l 5 3 0 GPS Receiver 11 4 0 Input Output Connectors Mechanical 12 5 0 Typical Phase Noise 14 6 0 Alerts Optional Function Relay 14 7 0 GPS GNSS Function 14 8 0 Technical Specification 17 8 1 Performan...

Page 3: ...AC power adapter available The output is a 10 MHz sinewave at 4 5 dBm 0 38 Vrms The output is short circuit and transient protected PPS pulse is a LVCMOS signal and is also short and transient protect...

Page 4: ...ignificantly The NR3700 CAL uses an oven controlled oscillator to provide an unlocked stability of under 50 ppb year The calibration feature continually monitors the correction coefficients developed...

Page 5: ...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 dri...

Page 6: ...higher Q device and achieves much lower phase noise than the AT cut Due to the SC cut being sensitive to pressure and temperature variation it is mounted in a temperature controlled hermetic chamber...

Page 7: ...an atomic reference These devices use a change in atomic state of an isotope of Cesium or Rubidium for stability Instead of a stability of 50 ppb year for a typical OCXO stability of 1 ppb year is ve...

Page 8: ...requiring low phase noise a low phase noise OCXO is disciplined to an atomic source The phase noise for the NR2310 R O has phase noise improved by well over 20 dB by this technique Typical Phase Noise...

Page 9: ...outstanding long term accuracy the short term stability is very poor due to the nature of the timing source A GNSS timing source has considerable short term instability due to the numerous radio effec...

Page 10: ...99999 994 0 553 16 9999999 998 0 226 9999999 994 0 563 17 9999999 998 0 178 9999999 995 0 527 18 9999999 998 0 223 9999999 994 0 565 19 9999999 998 0 225 9999999 995 0 537 20 9999999 998 0 206 9999999...

Page 11: ...protocol 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 Fr...

Page 12: ...3700 are available in a flanged chassis PPS 10 MHz RS232 Power Ant 52 47 1 82 70 48 50 37 4 0 3 5 B 50 19 O 150 B B 76 20 GPS Ant SMA connects to the GPS ant provides 3 3 VDC 45ma max PPS SMA one puls...

Page 13: ...00 O G Revision A Date 9 13 16 Page 13 of 19 www novuspower com The DB 9 contains the NMEA serial lines at standard RS232 levels Pin 1 N C 2 NMEA Tx 3 NMEA Rx 4 Factory Pin do not connect 5 GND 6 N C...

Page 14: ...to red and the optional ALERT relay will open The normal operating state is the relay contacts will be closed During cold start the oven can behave in such a manner as to give an Oven alert This is no...

Page 15: ...code the transmission time onto the signal and to control the transmission sequence of the coded signal The receiver has an internal clock to precisely identify the arrival time of the signal Transit...

Page 16: ...ck LED illuminates green when the unit is locked to the GPS system If the LED is red the unit is operating on the TCXO The GPS lock status is on the RS232 connector After June 1 2016 the GNSS lock and...

Page 17: ...50 ppb long term unlocked Temp Stability 10 ppb Receiver Sensitivity 155dBm PPS Optional 30ns RMS accuracy 3 3 volt logic output impedance CMOS 20ma Power Requirements 9 to 15 VDC 1 0 amps max 10 Wat...

Page 18: ...to repair or replace products which prove to be defective Should Novus be unable to repair or replace the product within a reasonable amount of time the customer s alternate remedy shall be a refund o...

Page 19: ...REMEDIES THE REMEDIES PROVIDED HEREIN ARE THE CUSTOMERS SOLE AND EXCLUSIVE REMEDIES IN NO EVENT SHALL NOVUS BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER BASED...

Page 20: ...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 21: ...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 22: ...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 23: ...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 24: ...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 25: ...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 26: ...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 27: ...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 28: ...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 29: ...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 30: ...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 31: ...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 32: ...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 33: ...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 34: ...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 35: ...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 36: ...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 37: ...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 38: ...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 39: ...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 40: ...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 41: ...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 42: ...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 43: ...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 44: ...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 45: ...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 46: ...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 47: ...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 48: ...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 49: ...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 50: ...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 51: ...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 52: ...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 53: ...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 54: ...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 55: ...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 56: ...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 57: ...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 58: ...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 59: ...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 60: ...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 61: ...Users manual Appendix A Revision A Date 07 14 15 Page 42 of 58 Pps status present pps is sync with UTC USNO...

Page 62: ...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 63: ...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 64: ...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 65: ...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 66: ...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 67: ...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 68: ...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 69: ...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 70: ...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 71: ...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 72: ...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 73: ...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 74: ...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 75: ...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 76: ...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 77: ...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...

Page 78: ...Appendix C GPNVS Status String Definitions All information provide herein is the proprietary property of Novus Power Products L L C The information included may be reproduced without the permission o...

Page 79: ...tatus String GPNVS 6 Status Bytes Rubidium 10 1 7 Status String GPNVS 7 Status Bytes 11 1 8 Event String GPNVS 8 Event Status 12 1 9 Status String GPNVS 9 Frequency Measurement 13 1 9 1 Standard Frequ...

Page 80: ...itoring will be set up to meet the following protocols These are designed to be standardized across different products and easy to port and use via serial to ethernet connections Many products will ha...

Page 81: ...V Not Valid N N A 6 GPS 2 Lock Valid A Valid V Not Valid N N A 7 of Sats in View 1 Greater of GPS or GNSS count N N A 8 of Sats in View 2 Greater of GPS or GNSS count N N A 9 Channel Fault Byte 0x0000...

Page 82: ...Date mmddyy 5 Channel 1 Vrms 0 00 to 3 30 V 6 Channel 2 Vrms 0 00 to 3 30 V 7 Channel 3 Vrms 0 00 to 3 30 V 8 Channel 4 Vrms 0 00 to 3 30 V 9 Channel 5 Vrms 0 00 to 3 30 V 10 Channel 6 Vrms 0 00 to 3...

Page 83: ...ply 5 30 0 to 30 0 V 10 Power Supply 6 30 0 to 30 0 V 11 Power Supply 7 30 0 to 30 0 V 12 Power Supply 8 30 0 to 30 0 V 13 Built in Test BIT 0 Ok 1 Fail 14 Temperature C 40 to 99 15 NMEA Checksum XX x...

Page 84: ...e mmddyy 5 Channel 9 Vrms 0 00 to 3 30 V 6 Channel 10 Vrms 0 00 to 3 30 V 7 Channel 11 Vrms 0 00 to 3 30 V 8 Channel 12 Vrms 0 00 to 3 30 V 9 Channel 13 Vrms 0 00 to 3 30 V 10 Channel 14 Vrms 0 00 to...

Page 85: ...GPNVS 5 hhmmss ddmmyy nnn nn nn XX 1 2 3 4 5 6 7 8 Description Range 1 Identifier GPNVS 2 String ID 5 3 Time UTC hhmmss 4 Date mmddyy 5 Potentiometer Hex Value 000 to FFF 6 Fan PWM 0 to 90 7 Temperat...

Page 86: ...dentifier GPNVS 2 String ID 6 3 Active PCB Assembly 0 or 1 4 GNSS Lock A Locked V Unlocked 5 Input Error 0 Ok 1 A Error 2 B error 6 Channel Status Word 0x0000 to 0xFFFF 7 Primary PS Status 0x00 to 0xF...

Page 87: ...ium GPNVS 6 nnn 0x0000 nnn 0 1 XX 1 2 3 4 5 6 7 Description Range 1 Identifier GPNVS 2 String ID 6 3 Heat Sink Temperature 0 255 4 Heater Current Voltage 0x0000 0x0136 5 Measured Voltage in Heater 0 2...

Page 88: ...hmmss 4 Date mmddyy 5 GPS Lock A Valid V Not Valid 6 of Sats in View 1 Greater of GPS or GNSS count N N A 7 Error Byte 0x00 to 0xFF 8 Freq Diff 999 last count clock cycles 9 PPS Diff 999 last count cl...

Page 89: ...1 On 5 Event Enabled System 0 Events Disabled 1 Events Enabled 6 GPS Lock Achieved 0 No Lock 2 Locked or previously locked 7 Event Index 0 512 Current count of events in RAM 8 Event Errors RAM 0 9 Ev...

Page 90: ...1 9 1 Standard Frequency Measurement String GPNVS 9 hhmmss ddmmyy n nnnnnnn nnn nnn nn XX 1 2 3 4 5 6 7 8 Description Range 1 Identifier GPNVS 2 String ID 9 3 Time UTC hhmmss 4 Date mmddyy 5 Measured...

Page 91: ...X 1 2 3 4 5 6 7 8 9 Description Range 1 Identifier GPNVS 2 String ID 9 3 Frequency Loop Period 10000000 000 4 DAC Voltage Double 2 00000 5 Frequency per second 10000000 0 6 Loop Period 0 99 7 Antenna...

Page 92: ...PPS 1 GPS PPS 6 PPS Difference 250 ns 7 PPS Avg Difference 250 ns 8 PPS Avg Count 1 20 9 PPS Synch Threshold 1 250 10 PPS pull Cal Factor 0 1 to 10 0 11 PPS active Time Cal Factor 0 to 9 12 Frequency...

Page 93: ...PNVS 9 nnn 0x0000 nnn 0 1 XX 1 2 3 4 5 6 7 Description Range 8 Identifier GPNVS 9 String ID 9 10 Heat Sink Temperature 0 255 11 Heater Current Voltage 0x0000 0x0136 12 Measured Voltage in Heater 0 255...

Page 94: ...r com 1 11 Response String GPNVS R GPNVS R n response XX 1 2 3 4 5 Description Range 1 Identifier GPNVS 2 Response ID R 3 Command Success 1 Success 0 Fail 4 Response see example responses 5 NMEA Check...

Page 95: ...Priority Discipline Source 0 GNSS 1 10MHz input 2 Optical input 4 Current Discipline Source 0 GNSS 1 10MHz 2 Optical 3 Holdover 5 GNSS Lock 0 to 3 0 Unlocked 3 Fully Locked 6 RF Present 0 No RF sourc...

Page 96: ...17 Time UTC hhmmss 18 Date mmddyy 19 GPS Lock Valid A Valid V Not Valid 20 of Sats in View Greater of GPS or GNSS count 21 Channel Fault Byte 0x00 to 0x3F Hex OR d value 22 Power Supply Fault Byte 0x...

Page 97: ...scription Range 14 Identifier GPNVS 15 String ID 2 16 Time UTC hhmmss 17 Date mmddyy 18 Channel 1 Vrms 0 00 to 6 60 V 19 Channel 2 Vrms 0 00 to 6 60 V 20 Channel 3 Vrms 0 00 to 6 60 V 21 Channel 4 Vrm...

Page 98: ...0 Description Range 15 Identifier GPNVS 16 String ID 2 17 Time UTC hhmmss 18 Date mmddyy 19 5Vdc Power Supply opt 30 0 to 30 0 V 20 5Vdc Power Supply 30 0 to 30 0 V 21 10k Thermistor opt 0 00 to 3 30...

Page 99: ...annel 14 Fault 0x1 14 Channel 15 Fault Channel Fault Bin Hex Value OR d Channel ID Channel Fault Bin 0x1 0 Channel 1 Fault External Fault The ND0100 has completed an internal amplifier gain test and b...

Page 100: ...9 Channel 10 Fault 0x1 10 Channel 11 Fault 0x1 11 Channel 12 Fault 0x1 12 Channel 13 Fault 0x1 13 Channel 14 Fault 0x1 14 Channel 15 Fault Backup PCB Amp Status Hex Value OR d Channel ID Backup PCB Am...

Page 101: ...0x1 5 Reserved 0x1 6 Reserved 0x1 7 Reserved Primary and Secondary Power Supply Status Hex Value OR d Status Message 0x1 0 PS 1 Fault 0x1 1 PS 2 Fault 0x1 2 PS 3 Fault 0x1 3 PS 4 Fault 0x1 4 PS 5 Fau...

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