Tekron NTS 03-G+, User Manual

Page 1: ...NTS 03 G USER MANUAL Third Edition Copyright 2021 ...

Page 2: ...SB Port 12 3 BACK PANEL 13 P1A P1B Power Input s 13 Earth Studs M4 Nut 14 4 BACK PANEL INPUTS AND OUTPUTS 15 Ant Antenna Connector SMA Connector 15 Antenna Cable Considerations 15 P2 IRIG B Input 3 pin 3 81 mm Connector 16 P3 Programmable Output 3 pin 3 81 mm Connector 17 P4 Sync and Antenna Alarm Relays 4 pin 3 81 mm Connector 17 P5 Power Alarm Relays 4 pin 3 81 mm Connector 18 ADMIN ETH 1 Ethern...

Page 3: ...azardous Voltage 23 Earthing 24 Mounting the NTS 03 G 24 Operation 24 7 FACTORY RESET 25 8 FACTORY HARDWARE OPTIONS 26 Power Supply Options 26 Expansion Board Options 26 Slave Only Option Fiber input 26 OCXO Option 26 Rubidium Option 27 9 APPENDIX 28 NTS 03 G Specifications 28 Physical Specifications 28 GNSS Receiver 28 Input Output Connector Specifications 28 Input Output Specifications 29 DC IRI...

Page 4: ...n 2 4 port expansion One additional Ethernet port two alarm ports four DC IRIG B copper or fiber and two DC AM IRIG B ports The NTS 03 G can be ordered with no expansion NTS 03 G 3 port or with either of the expansion options above NTS 03 G 4 port NTS 03 G 6 port Hardware All NTS 03 G Ethernet ports can function as Stratum 1 NTP and Grandmaster PTP sources Each unit has a built in GPS GLONASS sync...

Page 5: ... 100 Mbps Ethernet port through which the unit s inputs and outputs can be configured When the IEEE 1588 2008 PTPv2 option is enabled the unit can operate as a PTP grandmaster an ordinary PTP clock or a slave only clock Accessories The NTS 03 G comes complete with Ethernet cables to allow for customization and easy setup from the Windows Configuration software which is available to download from w...

Page 6: ...ed to configure the time server using the Tekron Configuration Tool available for download on the Tekron website www tekron com LCD Display On initial power up the LCD display shows a copyright message along with the serial number and revision level of the unit see Figure 3 After power up if the NTS 03 G is configured to operate in its default mode GNSS synchronized then the display changes automa...

Page 7: ...he time server is operating with a local time offset of 12 hours ahead of UTC The local date is the 17th of March 2010 and the local time is 11 16 53 in the morning Figure 6 shows the same time and date but also indicates that the time displayed is Local Standard Time and that the day is Tuesday LST denotes Local Standard Time If daylight savings time is active the LST in screen Figure 6 Local Tim...

Page 8: ...Description Satellites in the sky 0 9 0 9 A E 10 14 F 14 This character represents the total number of satellites currently present in the sky according to the GNSS almanac 0 in this position means that NTS 03 G has lost its knowledge of the GNSS satellites orbit geometries This occurs if the unit has been in storage for an extended period or if the GNSS receiver has been reset It will typically t...

Page 9: ...G is synchronized to an IRIG B source on P2 input Slave Copper SLF The NTS 03 G is synchronized to an IRIG B source on the fiber input Slave Fiber TST The NTS 03 G is operating with manually set time If the NTS 03 G is configured to synchronize to IRIG B only ignore GNSS then SL will be displayed in the status field if there is no IRIG B signal input or an invalid signal input Contrast Adjustment ...

Page 10: ...ed by the LCD display Slow Flash 1 flash per second The NTS 03 G is operating in the holdover state holdover timer running or is operating in the tuning state time server is gaining synchronization Fast Flash 5 flashes per second The NTS 03 G is not synchronized Out of Sync condition The ALM LED indicates the internal alarm status of the NTS 03 G It has only two operating states LED Indicators Tab...

Page 11: ... Antenna Short The antenna circuit current drain is high typically over 100 mA This is caused by a short in the antenna circuit or by moisture ingress in the circuit or if the antenna connected has a higher current drain specification N A Antenna Fault This alarm is generated if there is high current or low current detected on the antenna input Factory Reset Cycle Power Factory Reset Armed This al...

Page 12: ...the port defaults to a link local address eX represents the port number which has the alarm For example IPe1 indicates address fault alarm on ETH1 SYNC FORCED ON Sync Forced This alarm is generated when the Never leave Sync Test Mode option has been selected Note N A indicates that this alarm does not appear on the LCD Admin USB Port A second Admin port USB type B is provided to support local conf...

Page 13: ...nel of NTS 03 G 6 Port Option Figure 14 Rear panel of NTS 03 G 4 Port with BNC IRIG B outputs Figure 15 Rear panel of NTS 03 G 4 Port with ST fiber outputs P1A P1B Power Input s Power is applied to the unit via P1A and or P1B when fitted dual power supply option The NTS 03 G can be ordered with high voltage AC DC supplies high voltage DC supplies or medium voltage DC supplies or a combination IEC ...

Page 14: ...e power supply options and input voltage ranges that can be ordered Check the label on the side of the unit for power supply voltage ratings before powering the unit If IEC connectors are used then a 1 A 250 Vac 5x20 mm glass or ceramic slow blow fuse should be fitted into the IEC connector If 2 pin connectors are used then a 5 A fuse of appropriate voltage rating should be fitted into the non ear...

Page 15: ...hen attaching the antenna lead in cable The connector should be tightened firmly by hand only Do NOT over tighten Ensure the antenna SMA male connector center pin is straight before plugging in Antenna Cable Considerations The NTS 03 G antenna port expects a signal with a gain of at least 15 dB and no more than 35 dB with 20 35 dB being the optimal gain range All antenna cables will introduce some...

Page 16: ...ction of the lightning protector introduces an additional loss of 0 1 dB and the loss of two connectors Care should be taken to ensure that the connector is not cross threaded when attaching the antenna lead in cable The connector should be tightened firmly by hand only DO NOT OVER TIGHTEN P2 IRIG B Input 3 pin 3 81 mm Connector This port accepts an RS422 level un modulated IRIG B signal of the fo...

Page 17: ... to output in either inverted or non inverted polarity A configurable number of pulses per second minute hour day with adjustable pulse width and offset IRIG B time code Un modulated DCLS or Modified Manchester with option C37 118 1 or AFNOR extensions Simulated DCF77 receiver time code P4 Sync and Antenna Alarm Relays 4 pin 3 81 mm Connector The port provides two alarm output channels The alarm o...

Page 18: ...puts are type A normally open dry contact types Note The Normally Open NO descriptor refers to the de energized state of the solid state relay The convention used in the NTS 03 G is to have the alarm relays energized during normal operation and de energized in the alarm state In the case that all power to the time server is lost all the alarm relays then default to the alarm state open contact The...

Page 19: ...el Redundancy Protocol PRP on ports ETH2 and ETH3 and when fitted with the 6 port option ETH5 and ETH6 When enabled via the Tekron Configuration Tool the ports ETH2 and ETH3 or ETH5 and ETH6 are paired and operate as a single redundant interface PRP support requires the purchase of a PRP license from Tekron PRP operation is compliant with IEC 62439 3 2016 and supports PTP master or slave operation...

Page 20: ...r informational use only and is subject to change For further information or support go to www tekron com The user may configure these outputs in either inverted or non inverted polarity with A configurable number of pulses per second minute hour day with adjustable pulse width and offset IRIG B code un modulated DCLS or Modified Manchester with option C37 118 1 or AFNOR extensions DCF77 receiver ...

Page 21: ...t designed to be actuated multiple times after installation Ideally they should be actuated once at most during installation to permanently select the IRIG B modulation compatible with the installation Use either a coaxial cable or a shielded twisted pair using Tekron BNC to 2 pin adaptor to feed a signal from P10 P11 output to any connected IED When using shielded twisted pair connect the shield ...

Page 22: ...onfigured via USB or Ethernet The configuration tool can be downloaded from the Tekron Support Website www support tekon com By default the unit is shipped with DHCP enabled for automatic IP address assignment with a fall back to link local addressing 169 254 xxx xxx if no DHCP server is present Default Username admin Default Password Password Note The user is required to change the default passwo...

Page 23: ...ication label on the side of the unit to ensure that the correct model has been supplied before proceeding to install Location The unit is intended for installation in restricted access areas A restricted access area can be accessed only using a lock and key or other means of security Installation is to be done by suitably qualified personnel Power Supply s The input voltage range is marked on the...

Page 24: ... label on the side of the unit for voltage requirements before switching on Connect the antenna lead and the antenna with a good view of the sky Then connect the power source to P1A P1B The time required to achieve tracking and synchronization given a good view of the sky is typically within one minute and 30 seconds The NTS 03 G will usually take under one minute to synchronize to the GNSS source...

Page 25: ...rendered unreachable on the network due to incorrect settings provided that physical access to the unit is available This feature is disabled by default in order to maximize security and must be enabled via the Tekron Configuration Tool before it can be used When disabled there is no method to gain full access to the unit without the administrator password and if the administrator password is forg...

Page 26: ... Inlet 90 300 Vdc 85 250 Vac Expansion Board Options The table below shows two additional Expansion board configurations that may be ordered with NTS 03 G Expansion Description Expansion 1 3x Ethernet Additional 3 Ethernet ports RJ 45 or Fiber Expansion 2 1x Ethernet 4x DC IRIG B 2x AM DC IRIG B Additional 1 Ethernet port RJ 45 or Fiber Additional 4 High Drive OR ST Fiber DC IRIG B ports Additiona...

Page 27: ...property of their respective holders The information in this document is provided for informational use only and is subject to change For further information or support go to www tekron com Rubidium Option NTS 03 G can be ordered with a GPS locked Rubidium oscillator This can provide better than 10 µs holdover over 7 days 7 days aging ...

Page 28: ...cations Performance Property Metric Dimensions Width 430 mm Depth 270 mm Height 45 mm Weight 2 0 kg GNSS Receiver L1 GLONASS 1575 42 1598 1606 MHz Frequency C A Code 32 Channel parallel tracking receiver Performance Property Metric Position Accuracy Horizontal 9 m 90 Altitude 18 m 90 Timing Accuracy 15 ns 1 sigma to UTC Sensitivity Acquisition 148 dBm Tracking 160 dBm Input Output Connector Specif...

Page 29: ... FX n a USB Type B n a P2 RS422 485 200 mV sensitivity 3 3 V drive level 32 unit loads 3 Pin n a P3 RS422 485 200 mV sensitivity 3 3 V drive level 32 unit loads 3 Pin n a P4 Relay 300 V 100 mA AC DC 3 5 kV Isolation P5 Relay 300 V 100 mA AC DC 3 5 kV Isolation P6 P7 Copper TTL 5V 150mA 3 kV Isolation Fiber ST Fiber n a P8 P9 Copper TTL 5V 150mA 3 kV Isolation Fiber ST Fiber n a P10 P11 Copper TTL ...

Page 30: ...ed by Tekron products but all three modulations are supported With DCLS no modulation pulse width code no carrier is used and with Manchester modulated Modified Manchester and amplitude modulation AM only the 1 kHz carrier is supported Therefore Tekron products support IRIG B00x IRIG B12x and IRIG B22x where x is the coded expression For the coded expression BCDtoy binary coded decimal time of yea...

Page 31: ...y default the IRIG B outputs use the B004 format in local time Environmental Specifications Performance Property Metric Operating Temperature Range 10 to 65 C 10 to 60 C Rubidium Operating Humidity 10 95 non condensing Electrical Specifications Performance Property Connector Type Metric Power Supply 2 pin Medium Voltage DC 20 75 Vdc 2 pin High Voltage DC 90 300 Vdc IEC 320 High Voltage AC DC 90 30...

Page 32: ...sonable protection against such interference when operating in a commercial environment Notes The information in this manual may change without notice The manufacturer assumes no responsibility for any errors that may appear in this manual Ethernet is a trademark of XEROX Corporation Windows Windows 95 Windows 98 Windows 2000 Windows NT Windows XP Windows Vista and Windows 7 are trademarks of Micr...