background image

 

 

Users manual 

$GPNVS 

Revision #: 

Date:  

8/25/20 

 

Page  #: 

20 of 24 

www.novuspower.com 

 

 

 
 

2.2 Status String ($GPNVS,2) Channel Values 

 
 

$GPNVS  1  hhmmss  mmddyy  n.nn  n.nn  n.nn  n.nn  n.nn  n.nn  *  XX 

10 

  11 

 
 

 

      #  Description    

 

Range                                                                    

14.

 

Identifier  

 

 

$GPNVS 

15.

 

String ID 

 

 

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 Vrms 

 

0.00 to 6.60 [V] 

22.

 

Channel 5 Vrms 

 

0.00 to 6.60 [V] 

23.

 

Channel 6 Vrms 

 

0.00 to 6.60 [V] 

24.

 

NMEA Checksum 

 

*XX (xor’d value of bytes between $ and *) 

 
 

Example: 

$GPNVS,2,233518,092516,0.99,1.01,1.06,0.97,1.52,1.54*4E 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for NR2310D-O/G

Page 1: ... Frequency Reference with RS232 Display and optional Ethernet SNMP All information provided herein is the proprietary property of Novus Power Products LLC The information included may be reproduced without the permission or prior approval of Novus Power Products LLC for the purpose of operating the equipment ...

Page 2: ...Factory Default Settings 15 Output Drive 16 PPS Accuracy 16 PPS Holdover 16 NMEA RS232 18 Base Unit Block Diagram 21 Phase Noise Performance 23 Controls and indicators 23 Channel Status Front panel LED s 23 Oven LED front Panel 24 Digital Display Optional 24 Time Date Lock Status 24 GNSS GPS Status 25 UTC Mode 25 GMT offset 26 Channel Status 26 Next and Select Buttons 26 RS232 NMEA Alert DB9 Male ...

Page 3: ...GUIDE NR2310D O G REVISION M DATE 071720 Page 3 www novuspower com Built in Test 31 Power Supplies 31 Specifications 33 Technical Specifications 33 Environmental and Mechanical 34 LIMITED HARDWARE WARRANTY 35 ...

Page 4: ... telecommunications precision scientific research and calibration The multi use platform can be configured with several performance options 1 a range of stability options 2 high reliability full redundancy is offered with the new NR2300 line 3 display and user interface 4 local and remote monitoring via RS232 5 Ethernet port to allow remote monitoring and control ...

Page 5: ...ate 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 drift Temperature Compensated Crystal Oscillator TCXO The TCXO implementation results in a temperature stable reference in the single digit parts per million Comparison of AT vs SC Cut Crystal Over a broad temperature range an AT cut crystal perfor...

Page 6: ...perature variation and is therefore mounted in a temperature controlled hermetic chamber Oven Controlled Crystal Oscillator An OCXO device affords a reference that is almost two orders of magnitude more stable than the TCXO OCXO oven temperature is in the range of 90 C The devices heat up and become stable within 5 minutes OCXO Frequency Error from Cold Start Typical OCXO 2 00E 02 1 50E 02 1 00E 0...

Page 7: ...ypical 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 RUBIDIUM SOURCE TYPICAL PHASE NOISE PERFORMANCE For applications requiring the stability of an atomic source but also requiring low phase noise a low phase noise OCXO is disciplined to an atomic source The phase noise ...

Page 8: ... to discipline the timing device Timing accuracy to a E 12 is readily achievable The GNSS is used to provide timing for a control loop that modulates the OCXO to bring it in alignment with the PPS timing information A GNSS timing source has considerable short term instability due to the numerous radio effects multi path signal weakness etc In order to develop a stable reference the GNSS timing wav...

Page 9: ...S synthesized clock is modulated by the radio transmission artifacts which have very low frequency content Designing a loop to deal with sub 1 Hz noise is a challenge More advanced loops take on the task of controlling the OCXO frequency with the PPS with sophisticated signal processing techniques The improvement in performance for low frequency content can be dramatic for close in phase noise The...

Page 10: ...that could cause the source to be in error To be able to detect a problem the dual time base literally adds a second GNSS receiver and an embedded frequency counter to measure the accuracy of the primary reference In some applications a second antenna is installed or a splitter can be used to drive both time base references from a single antenna The average frequency of each gate can be monitored ...

Page 11: ...ng 157 dBm Hot Start 157 dBm Warm Start 143 dBm Cold Start 143 dBm Reacquisition 157 dBm TTFF Time to First Fix Hot Start 5 sec 130 dBm Warm Start 35 sec 130 dBm Cold Start 40 sec 130 dBm Active Anti Jamming Advanced Multipath Mitigation The receiver needs at least four satellite vehicles SVs visible to obtain an accurate 3 D position fix When travelling in a valley or built up area or under heavy...

Page 12: ...r two criteria are required signal transmission time and signal reception time All GPS satellites have several atomic clocks that keep precise time and are used to time tag the message i e 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 speed of th...

Page 13: ...ror in the satellite clocks the receiver and other anomalies mean that the measurement of the signal transit time is in error This effectively is a constant for all satellites since each measurement is made simultaneously on parallel tracking channels Because of this the resulting ranges calculated are known as pseudo ranges To overcome these errors the receiver then matches or skews its own code ...

Page 14: ...ttributes for the PPS that can be controlled via the RS232 port with the radio However when the Rubidium option is chosen the PPS generated by the Rubidium is used and can t be programmed PPS Availability There is a TCXO that is used to maintain the PPS in the event of GNSS loss The radio can be programmed to either have the PPS stop when GNSS lock occurs or continue with the stability of the inte...

Page 15: ...considered The PPS can also be enabled or disabled based upon a calculated accuracy Cable Delays The unit can be programmed to compensate for PPS errors due to cable length A compensation factor of 100000 ns can be used Pulse Width The pulse width can be programmed from 1 to 500ms Factory Default Settings PPS on when estimated accuracy is within 1 usec Pulse width is 100ms ...

Page 16: ...nominal accuracy of a PPS signal that is directly from the radio is on the order of 25 ns rms The signal will also have 5 ns of jitter The jitter is due to the characteristics of the transmission channel multi path and other radio effects The long term accuracy of the PPS is excellent There are numerous reference documents produced by NIST that define accuracy For those applications where the 5 ns...

Page 17: ...USERS GUIDE NR2310D O G REVISION M DATE 071720 Page 17 www novuspower com 1ms A Rubidium source can be used to achieve drift rate well over an order of magnitude better than the OCXO ...

Page 18: ...is provided on the DB9 connector The baud rate for the NMEA port is selectable Communication speed can be changed into 4800 9600 19200 38400 57600 or 115200 bps 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 second ...

Page 19: ...USERS GUIDE NR2310D O G REVISION M DATE 071720 Page 19 www novuspower com What information is sent from the radio and how often can be selected The NMEA sentence format ...

Page 20: ... 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 using differing transmission rates The NMEA sentence descriptions throughout the document are for reference only The sentence formats are defined exclusively by the copyrighted document from NMEA There is considerable detail...

Page 21: ...al serial and Internet communications paths To further improve long term stability the unit is disciplined to the GPS GNSS by either having an internal GNSS receiver or supplying the unit a PPS pulse from an external receiver option The unit display allows local monitoring and remote monitoring via an RS232 serial link or ethernet port The ten channel amplifier is designed for ultra low noise to p...

Page 22: ...tion amplifier and consequently lower system noise performance while reducing the system cost and rack space requirement Basic timing information is derived from the GNSS with an embedded 26 channel receiver The receiver supports GPS GLONASS QZSS SBAS 1PPS accuracy of less than 15 ns with a single satellite PPS hold mode ...

Page 23: ...termined by the device used and there are a range of options available Contact the factory for performance levels available Typical Phase Noise Performance Controls and indicators Channel Status Front panel LEDs For the base unit three LEDs indicate status of the unit monitoring for channel faults Oven Status and GPS Lock Status and System Status The optional Display provides the user with GPS loc...

Page 24: ...lly 10 minutes Digital Display Optional The NR2310D OG OLED Display gives a number of useful indicators about the frequency reference Each menu available at the display can be reached by pressing NEXT to advance through the available menus Time Date Lock Status On power up the NR2310 ROG will display the Time and Date as well as the current status of the GNSS receiver GNSS The GNSS status indicati...

Page 25: ...een will display which receiver status is being viewed The user can then see number of GNSS satellites are in view number of GLONASS satellites in view and the UTC time and date that lock occurred on the selected receiver UTC Mode The user can select how the time is displayed on the screen by choosing between three formats UTC 24 hour mode or 12 hour mode Toggle through the modes by pressing the S...

Page 26: ...the International Dateline the displayed date will reflect the date in the selected time zone and not necessarily the GMT date Channel Status Each channel has an AC to DC converter that monitors the 10 MHz sine square or PPS pulse If a severe fault on the output is detected the faulted channel status will be displayed and the status of all 10 channels is available via the RS232 port Next and Selec...

Page 27: ...nternal microcontroller Alert Pins 8 and 9 are closed across a relay under normal operation This allows the user to place any positive voltage up to 20VDC as a logic value across the relay connections The relay opens in any of the following alert conditions GNSS Lock is lost OCXO Lock is lost OCXO oven failure or power failure This Alert Option is not available with the Rubidium DB9 Male Connectio...

Page 28: ...uts Channel 1 through 10 output connectors BNC or SMA The ten BNC or SMA connectors 10 MHz sine 50 Ohm load PPS SMA with GPS locking option PPS output 5V TTL short and transient protected The PPS has a pulse width of 100µs and an accuracy of 20 ns rms The PPS is programmable in 1 usec steps ...

Page 29: ...nit does automatic sensing of the input voltage and there are no actions that need to be taken to operate across the defined AC voltage range Connector style IEC 320 C14 The is available with a DC power option that can range from 60 to 60 VDC in three ranges The DC supply can be the primary or secondary back up to the AC Antenna Connection with GNSS option only Antenna 1 and 2 SMA SMA female anten...

Page 30: ...nnel high sensitivity high accuracy Multi GNSS receiver supports TRAIM GPS GLONASS QZSS SBAS Active Anti Jamming and Advanced Multipath Mitigation Functions Typical Antenna Specs Frequency Band 1574 1607 MHz Antenna Gain 2 dBic 90 Amplifier Gain 3 0Vdc 26dB typ Polarization RHCP Out of band Rejection 60dBc f0 50MHz Impedance 50Ω VSWR 2 0 Max DC Input 2 8V 6V Noise Figure 2 0dB Power Consumption 25...

Page 31: ...andard outputs are1 0 Vrms 10 MHz sine into 50 Ohm Built in Test The built in test monitors the following Power Supplies all power supplies are monitored If a supply fails to meet test limits an alert is generated Channel Faults if a channel fault is detected an indication is given but an alert is not generated Power Supplies The unit is designed to accept power in the range of 90 to 264VAC 50 to ...

Page 32: ...NR2310D O G REVISION M DATE 071720 Page 32 www novuspower com applications the equipment that surrounds this unit is sensitive and the filter also reduces noise that could impact the performance of other equipment ...

Page 33: ...grammable 1 to 500ms in 1 usec steps Rise time for 1PPS 10 ns Connector SMA Load Impedance 50 Ohm Location rear Typical Phase Noise options for lower phase noise available Offset 1 Hz 105 dBc Hz 10 Hz 130 dBc Hz 100 Hz 150 dBc Hz 1kHz 155dBc Hz 10 kHz 155 dBc Hz GNSS receiver GPS L1 C A GLONASS L1OF QZSS L1 C A SBAS L1 C A Ready Galileo E1B E1C QZSS L1S Channels 26 channels GPS GLONASS QZSS SBAS S...

Page 34: ...eters Monitored Locally present on remote interface for monitoring Output amplitude all power supplies GNSS lock status number of satellites Built In test status Transaction Decodable Commands English format Single Monitoring Command Updated every second Connector RJ 45 Environmental and Mechanical Operating Temperature 0 to 50 C non condensing Storage Temperature 40 to 70 C Height 1 73 1 RU Width...

Page 35: ...ction 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 conditions of this paragraph or any other part of this Agreement Your dated sales or delivery receipt is your proof of the purchase date You may be required to provide proof of purchase as a condition of receivin...

Page 36: ...T 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 BUSINESS PROFITS BUSINESS INTERRUPTION LOSS OF DATA OR BUSINESS NFORMATION OR OTHER PECUNIARY LOSS ARISING OUT OF THE USE OF OR INABILITY TO USE THE HARDWARE SUPPLIED THEREWITH EVEN IF NOVUS OR ANYONE ELSE H...

Page 37: ...S 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 of Novus Power Products L L C with out prior approval for purpose of operating the equipment ...

Page 38: ...Status 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 Frequency Measurement String 13 1 9 2 NR6720 HS Frequency Measurement String 14 1 10 PPS Alignment String GPNVS 10 PPS Status 15 1 12 PPS Alignment String GPNVS 9 PPS Status 16 1 11 Response String GPNVS ...

Page 39: ...nitoring 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 have some but not all of the following strings if configured for the optional status RS232 The following products comply with this document 1 ND0115 2 NR2310 OG 3 NR2315 4 NR2110 O 5 NR2110 OG Separate...

Page 40: ... 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 to 0xFFFF Hex OR d value 10 Power Supply Fault Byte 0x00 to 0xFF Hex OR d value 11 Error Message Byte 0x00 to 0xFF Hex OR d value 12 Antenna 1 0 Ok 1 Error N N A 13 Antenna 2 0 Ok 1 Error N N A 14 N...

Page 41: ... 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 30 V 11 Channel 7 Vrms 0 00 to 3 30 V 12 Channel 8 Vrms 0 00 to 3 30 V 13 NMEA Checksum XX xor d value of bytes between and Example GPNVS 2 233518 092516 2 56 2 48 2 51 2 60 2 44 2 53 2 51 2 60 6C No...

Page 42: ...pply 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 xor d value of bytes between and Example GPNVS 3 233518 092516 7 84 7 93 11 8 12 1 0 00 0 00 0 00 1 92 0 26 62 Note Depending on configuration Power Supply values will be defined differently and some ...

Page 43: ...te 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 3 30 V 11 Channel 15 Vrms 0 00 to 3 30 V 12 Channel 16 Vrms 0 00 to 3 30 V 13 NMEA Checksum XX xor d value of bytes between and Example GPNVS 4 233518 092516 2 56 2 48 2 51 2 60 2 44 2 53 2 51 2 60 6...

Page 44: ...s 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 Temperature 40 to 99 C 8 NMEA Checksum XX xor d value of bytes between and Example GPNVS 5 233518 092516 45 00 25 70 ...

Page 45: ...Identifier 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 0xFF 8 Secondary PS Status 0x00 to 0xFF 9 Active PCB Status 0x00 to 0xFF 10 Checksum Status 00 to 999 11 Channel Fault Bin 0x0000 to 0xFFFF 12 Primary PCB Amp Status 0x0000 to 0xFFFF 13 Backup PCB Amp S...

Page 46: ...dium 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 0 255 6 Rb Locked 0 Unlocked 1 Locked 7 NMEA Checksum XX xor d value of bytes between and Example GPNVS 9 136 0x002A 90 1 7E ...

Page 47: ...hhmmss 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 clock cycles 10 Freq Correction Slice 999 DAC bits per second 11 DAC Value Integer Representation n x 1 2 20 12 Power Supply Vdc 13 Power Supply Vdc 14 NMEA Checksum XX xor d value of bytes between and...

Page 48: ...f 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 Event Index 0 512 Current count of events in Flash 10 Event Errors Flash 0 11 Event Time Alignmet 2 LS applied 1 GPS 0 RTC 12 Estimated Accuracy 0 999999 ns 13 Edge Detect Direction 0 Falling Edge 1 Ri...

Page 49: ...0 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 Frequency 9999900 000 to 10000100 000 6 Frequency Alert Range 0 240 units of 0 0083 Hz 7 Temperature 40 to 99 C 8 NMEA Checksum XX xor d value of bytes between and Example GPNVS 9 233518 092516 1000...

Page 50: ...XX 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 Current Mon 0 00 to 3 30V 8 Sine Output RMS 0 00 to 3 30V 9 NMEA Checksum XX xor d value of bytes between and Example GPNVS 9 10000000 003 1 97493 10000000 0 15 1 03 1 30 4A ...

Page 51: ...c 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 Variance 0 9999 clock cycles per Loop period 13 Frequency Var Threshold 0 100 clock cycles per Loop period 14 PPS Stabile Mode Post Warm up 0 Off 1 On 15 PPS Slope Indicator 250 clock cycles per sec...

Page 52: ...GPNVS 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 13 Rb Locked 0 Unlocked 1 Locked 14 NMEA Checksum XX xor d value of bytes between and Example GPNVS 9 136 0x002A 90 1 7E ...

Page 53: ...er 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 Checksum XX xor d value of bytes between and Example GPNVS R SET01 1 00 6F ...

Page 54: ...3 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 source 1 RF Source found 7 Opto Present 0 No Optical source 1 Optical Source Found 8 Loop Lock 1 Lock 0 Loop acquiring lock 9 Reserved 10 NMEA Checksum XX xor d value of bytes between and Example GPNVS 13...

Page 55: ...1 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 0x00 to 0x1F Hex OR d value 23 Error Message Byte 0x00 to 0x0F Hex OR d value 24 NMEA Checksum XX xor d value of bytes between and Example GPNVS 1 233518 092516 A 10 0x00 0x00 0x00 62 Time 23 35 18 Sep...

Page 56: ...escription 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 Vrms 0 00 to 6 60 V 22 Channel 5 Vrms 0 00 to 6 60 V 23 Channel 6 Vrms 0 00 to 6 60 V 24 NMEA Checksum XX xor d value of bytes between and Example GPNVS 2 233518 092516 0 99 1 01 1 06 0 97 1 52 1 54 4E ...

Page 57: ...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 10kΩ Thermistor opt 0 00 to 3 30 V 22 5Vdc Power Supply opt 30 0 to 30 0 V 23 OCXO Control Voltage 0 00 to 3 30 V 24 NMEA Checksum XX xor d value of bytes between and Example GPNVS 3 233518 092516 4 84 4 93 1 45 4 90 2 12 42 ...

Page 58: ...hannel 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 both primary and backup assemblies are functional The fault is external to the ND0100 cabling short etc Amp Gain Test for Alert is enabled with AMP 1 command via RS232 0x1 1 Channel 2 Fault 0x1 2 Chan...

Page 59: ... 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 Amp Status 0x1 0 Channel 1 Fault Internal Fault Backup Assembly The channel has failed an internal gain test on the backup PCB assembly and the channel is not functional on the secondary board Amp Gain...

Page 60: ...l 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 Fault 0x1 5 PS 6 Fault 0x1 6 PS 7 Fault 0x1 7 PS 8 Fault Error Status Hex Value OR d Status Message 0x1 0 FLASH_NOT_FOUND 0x1 1 FLASH_NOT_SAVED 0x1 2 LOOP_VOLT_ERROR 0x1 3 ANTENNA_VOLT_ERROR 0x1 4 GPS_F...

Page 61: ...ual SNMP Appendix D SNMP Configuration All information provide herein is the proprietary property of Novus Power Products L L C The information included may be reproduced without the permission of Novus Power Products L L C without prior approval for purpose of operating the equipment ...

Page 62: ...ork Configuration 3 1 1 Default Settings 3 1 2 Login Ethernet 3 1 3 Login Serial RS232 Rear Panel 4 1 4 Default Login 5 1 5 Navigation 5 1 6 Static Dynamic setting IP Address 6 1 7 Change Password 7 1 8 SNMP Agent 7 1 10 SNMP GPNVS NMEA Data 8 1 11 Serial Commands via SNMP 11 1 12 Troubleshooting 12 ...

Page 63: ... the Novus product is statically assigned The default settings are Field Setting Network Static IP Address 192 168 7 200 Subnet Mask 255 255 0 0 Default Gateway 192 168 7 254 To change the IP address or other settings follow the Login procedure in section 1 2 Login Password root novus123 1 2 Login Ethernet Use a terminal such as PuTTY to open an SSH connection to IP address of the unit on Port 22 ...

Page 64: ...t is shown below The unit has an RS232 debug port for UART 0 of the embedded linux server This RS232 level port defaults as the console stdin stdout and can be accessed by your preferred terminal program such as PuTTY using a Serial Com port The default baud rate is 115200 8 bit no parity 1 stop bit Note Remember to check the pinout RS232 Serial Port Rear Panel Pin Connections Pin Function I O 1 N...

Page 65: ... the default login and password Login Password root novus123 login as root root xxx xxx xxx xxx s password novus123 1 5 Navigation Once logged in the clicommander is started automatically The available menu choices are displayed Top Menu 1 System Settings 2 Tools 3 Network Settings About R Reboot Choice _ ...

Page 66: ...ork IP Static Dynamic 3 Network ETH IP Address 192 168 7 200 4 Mask 255 255 0 0 5 Gateway IP Address 192 168 7 254 6 NTP Server 0 URL IP 0 us pool ntp org iburst 7 NTP Server 1 URL IP 1 us pool ntp org iburst 8 NTP Server 2 URL IP 2 us pool ntp org iburst 9 NTP Server 3 URL IP 3 us pool ntp org iburst R Restart NTP X Exit to Previous Menu Choice _ To set IP address type 3 and press enter Follow th...

Page 67: ...he following special characters _ 1 8 SNMP Agent The Novus unit features an onboard Linux Pi board operating as an SNMPv2 agent The SNMP data is broadcast from the unit on Port 161 SNMP traps are communicated on Port 162 Read Community and Write Community is novus The software Novus SNMP Agent is automatically started on bootup The SNMP agent OID values are pulled from the GPNVS string data and in...

Page 68: ...aultPowerSupplyByte 0 1 10 OctetString nsFaultErrMsgByte 0 1 11 OctetString nsFaultAnt1Stat 0 1 12 Integer nsFaultAnt2Stat 0 1 13 Integer nsChannelObjs nsChannel1Vrms 0 2 5 OctetString nsChannel2Vrms 0 2 6 OctetString nsChannel3Vrms 0 2 7 OctetString nsChannel4Vrms 0 2 8 OctetString nsChannel5Vrms 0 2 9 OctetString nsChannel6Vrms 0 2 10 OctetString nsChannel7Vrms 0 2 11 OctetString nsChannel8Vrms ...

Page 69: ...nsBITStatus 0 3 13 Integer nsPSTemp 0 3 14 OctetString nsSensorObjs nsSensorPotentiometer 0 5 5 Gauge nsSensorFanPWM 0 5 6 Gauge nsSensorTemperature 0 5 7 OctetString nsSysObjs nsSysIdentifier 0 OctetString nsSysActivePCBAssy 0 6 3 Gauge nsSysGNSSLock 0 6 4 Integer nsSysInputErr 0 6 5 Integer nsSysChanStatusWord 0 6 6 OctetString nsSysPriPSStatus 0 6 7 OctetString nsSysSecPSStatus 0 6 8 OctetStrin...

Page 70: ...ntObjs nsEventDiscCounter 0 8 3 Integer nsEventUserEnabled 0 8 4 Integer nsEventSysEnabled 0 8 5 Integer nsEventGPSLock 0 8 6 Integer nsEventRAMIndex 0 8 7 Gauge nsEventTimeAlignment 0 8 8 Integer nsEventEstAccuracy 0 8 9 Gauge nsEventEdgeDetDir 0 8 10 Integer nsMeasureObjs nsMeasureFreq 0 9 3 OctetString nsMeasureAlert 0 RES RES OctetString nsMeasureTemp 0 3 14 OctetString nsPPSObjs nsPPSStabilit...

Page 71: ...ation allows the same RS232 serial commands from the Programmer s Guide to be sent over the SNMP browser interface To send a serial command issue an SNMP set on the nsCommand OID Change the value of the OctetString to the desired serial command Upon a successful Set the nsResult field will contain the response from the unit ...

Page 72: ... 4 3 2020 Page 12 of 12 www novuspower com 1 12 Troubleshooting If changes were made to the network settings that render the unit unable to communicate please contact customer service for instructions on writing to the SSD card directly ...

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