TCG 01 User Manual
Contents
1. A set of isolated changeover relay output via 3 pin plug able connector capable of switching up to 2A at 230V AC or 300mA at 150V DC Wiring size is to 1 0mm using the supplied mating plug Isolation is syne rly 2 5kV minimum ii This relay is active C and NO connected whenever the TCG 01 has established stable time sync from the GPS satellites The active relay output indicates that all of the other output signals are operating within specification The connector accommodates 1mm cabling TCG 01 will remain accurate for a time after the loss of satellite sync and the sync relay can be configured to remain active indicating in sync for a period following the loss of satellite signals The default period is one minute but this can be altered up to a maximum period of 42 minutes and 30 seconds 2550 seconds Page 11 of 49 INTERNATIONAL www tekroninternational com 5 9 P8 NTS network time server optional TCG 01 units fitted with the network time server option NTS feature an RJ45 connector supporting a 10Mbps Ethernet port 10baseT A standard i e non crossover T drop lead should be used to connect the TCG 01 to a BITE SBC a convenient port on a local network hub or switch Ick Ink Protocols supported by the TCG 01 NTS option are ARP UDP TCP ICMP Telnet TFTP DHCP SNMP and BOOTP A TCG 01 unit equipped with the NTS option provides a complete Stratum 1 ti2. EBEN INTERNATIONAL TCG O1 IN TRON i 3 TIME CODE GENERATOR User Manual 9th Edition ies INTERNATIONAL TCG 01 Time Code Generator User Manual 9th Edition February 2007 This document supports all TCG 01 with firmware revision DI D8 Revision History R4 R5 R6 R R8 R9 For 0 A B TCG 01 For 0 A B and C4 C7 TCG 01 All C and D up to D1 version TCG 01 All C and D up to D1 version TCG 01 All C and D up to D4 version TCG 01 This document For D up to and including D8 version TCG 01 2 1 2 2 4 1 4 2 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 6 1 6 2 6 3 6 4 7 1 7 2 7 3 7 4 8 1 8 2 8 3 8 4 8 5 INTERNATIONAL www tekroninternational com TABLE OF CONTENTS INTRODVUETION ee ee ee an ae 1 INSTALA HON ee nenne 2 PacK ng Ist nee ee een 2 MOUNN epea EE E A E E EEEE 2 OPERA TO N eeren eee AE EE E E E AEEA EE R 3 FRKONT PANE une ee een ee 3 LCD DIEDIAY nee ee ee se 4 Front Panel LED Tin Cat ONS xececsze ces scesececcecrcctssaeessiasnsnceeeessacussevscayiceceqsosesercsmsecoiansacecearnse es aes 6 CONNECTIONS susanne rennen 7 PL POWER 0 Gener ne ne E E ee ee eee 7 Ant Antenna connector SMA plUd cssccssssssseescecssseessseessceecsssesscseseceseesessaceesaceesees 7 Pe ogo OUD ee ee ea ee 8 P4 RS232 I O Serial port plus programmable output ucsesuesesnesesneseneonenennenenne 9 ET SA agen sen E cutee es een 10 P3 BNG OU DU ee ee e
3. antenna mount antenna cable and 1U 19 rack mount hardware Shipping weight of the complete TCG 01 kit is 4 5Kg 6 2 Identification Each TCG O1 unit is shipped with an identification label on the base The label provides details of the particular options fitted to the unit the power supply requirement and the serial number 6 3 Programmable outputs P2 P3 P4 pin1 The outputs P2 P3 and P4 pinl are each independently programmable to provide one of the following options e DCF 77 pulse simulation e Unmodulated i e DC level shift IRIG B BOOx e Modified Manchester Modulated IRIG B B22x e Programmed pulse sequence In the case of Programmed pulse sequence above separate settings are provided so that a differently programmed pulse sequence can be specified for each of the three outputs Each of the three programmable outputs can also be inverted in its operation Full details on configuring the programmable outputs are contained in section 6 1 on page 13 se N B P4 pin1 is not available on TCG 01 s with DTE serial ports If not specified TCG 01 will ship with a DCE serial port A common application for the programmable output on P4 pinl RS232 level is to provide an independent drive to an RS232 Fibre converter unit for use in transporting the code signals to a distant location In such cases pin 1 should be broken out of the normal 9 way cable optionally used to connect to an external PC and used in conjuncti
4. hardware is available as an option see Section 7 3 on page 16 Introduction of the Lightning protector does not degrade the performance of the antenna system 5 3 P2 P3 Outputs 5 3 1 Electrical and Physical Configuration Figure 5 2pin Figure 6 BNC Figure 7 Fibre connectors connectors connectors Each output port may be fitted at the factory according to the following Electrical Specification Physical TTL CMOS TTL 5V logic level driver output ports 150mA sink 2 pin and source The port is fully floating and has independent or BNC electrical isolation to 2 5kV RS422 High Speed RS422 compliant output ports The port is Fully 2 pin floating and has independent electrical isolation to 2 5kV or BNC HV Power MOSFET Switch allowing switching of 300VA 1A max 2 pin MOSFET The port is fully floating and had independent electrical isolation to 2 5kV See the detail in Section 7 1 on page 15 for suggested wiring configurations for use with Power MOSFET switching Fibre ST fibre transmitters compatible with ST terminated 62 5um ST Fibre fibre diameter 125um jacket diameter multi mode fibre optic cabling The maximum length of fibre recommended is 700 metres Page 8 of 49 TCG 01 User Manual siden 9 Edition February 2007 5 3 2 P2 P2 programmable signals The user may configure P2 and P2 to output in either inverted or non inverted polarity e A user configurable number of pulses per second minute
5. high voltage switching All TCG 01 units feature a front panel display giving visual feedback about the time data being generated on the outputs LED indicators provide at a glance status information I T ON III Figure 1 TCG 01 Front Panel The optimised receiver antenna system used by TCG 01 obtains time with similar to atomic clock precision from the GPS satellite constellation The result is output timing accuracy similar to that normally seen only in laboratory instruments However unlike laboratory instruments TCG O1 is suited for hostile electromagnetic environments such as sub stations and electrical switchyards Each output of the TCG 01 is isolated from every other output so that attached wiring can feed out to operating areas in different earth potential zones without compromising the overall site earthing security Further isolation protects the internal electronics and transient suppression devices protect i o from both longitudinal and transverse high voltage events TCG 01 occupies less than half the width of a 1U rack space It is supplied complete with all hardware and software required for installation including rack mount kit connectors 30m lead in antenna cable and antenna Page 1 of 49 INTERNATIONAL www tekroninternational com 2 INSTALLATION 2 1 Packing list Each TCG O1 kit is shipped with the following e TCG 01 Time code generator e User Manual this document e GPS Antenna opt
6. hour day with adjustable pulse width and offset e IRIG B and DCF 77 time codes Refer to page 13 for further information 5 4 P4 RS232 I O Serial port plus programmable output An RS232 port 9V signal levels is implemented via 9 way D male connector with signal lines pin 2 serial data OUT from TCG 01 pin 3 serial data IN to TCG 01 and pin 5 signal ground together with a programmable signal output on pin 1 The programmable output shares the pin 5 signal ground Do NOT over tighten the securing screws of the connector TCG 01 is normally shipped as a DCE configuration a straight wired Socket to Socket 9 way data cable can be used to connect directly to a standard PC serial port A suitable 2m cable is included with each TCG O1 TCG O1F The CTS and DSR functions are permanently asserted so the serial port does not support hardware handshake control The RS232 signal lines are not HV isolated from each other but the port as a whole is isolated to a level of 2 5kV from all other ports 5 4 1 P4 serial strings The serial port can be configured to output any one of a number of different serial time messages on a broadcast basis The serial port runs at a fixed baud rate of 9600 baud Message formats typically operate at 8 bit no parity no flow control 1 stop bit and are transmitted once per second A wide range of message strings and protocols are output on this port They include e NGTS prot
7. test use only Starts 1st Sunday v in October at 02 foo Suppress out of sync indications Suppress outputs when out of sync Ends ara Sunday in March at 03 foo 4 7 Syne to IRIG B Input Figure 11 Clock Setup Page 8 3 2 Antenna Cable Delay Compensation All antenna systems introduce signal delay depending on the cable length To optimise the precision of the output signals enter the appropriate value in this field 20ns per metre of antenna cable E g For a 30 metre antenna cable enter 120 8 3 3 Mask Angle This is the elevation above the horizon below which satellites will not be used in time and position calculations A good starting value is 5 degrees and this may need to be increased in areas with land based obstacles to prevent time quality loss due to multipathing effects Increasing this value will reduce the number of satellites in view 8 3 4 Test Mode Test Mode forces TCG 01 to report at all times that it is in sync to satellites even if this is not true e g there is no antenna attached In this mode the sync relay will be on at all times and the TCG 01 display will flash a warning TEST ONLY MODE SHOULD NEVER BE USED DURING NORMAL OPERATION Page 19 of 49 INTERNATIONAL www tekroninternational com 8 3 5 Suppress Out of Sync Indications This makes TCG 01 operate as if it is in sync at all times even if there is no antenna attached The sync relay operation is una
8. to wait It may take half an hour for the GPS with a good antenna connected to fully recover from a reset The ability to force any time and date into the instrument means that TCG 01 can be used as a convenient signal source for testing the ability of externally attached equipment to correctly process received time codes through unusual time transitions such as the 28 29 Feb rollover during leap years or daylight savings transitions Page 24 of 49
9. 0 B223 or B221 B222 4 User Defined Pulse Sequence separate definition stored for each output nm In the case of the User Defined Pulse option being selected for any outputs further parameters are entered to define the pulse sequence The parameters are as follows H u A drop down menu allows the user to choose to have pulses output Every second minute hour or day The Pulses field defines the number of pulses that will be produced in the selected time interval Selection is constrained to even divisors of the time interval The Offset data entry boxes specify how much time elapses into the defined time interval before pulsing starts Data validation rules ensure that only sensible entries can be made The Duration data entry boxes specify the length of individual pulses Re Tuis Geel derer PC Beirates pul yorsien aoe Programmable Outputs DEF 77 Simulation IRIG B Unmod std time code B000 1 or BOO2 3 IRKS B Modified Manchester encoded PPP User defined pulse Local UTC Selection 7 UTC time in IRIG B code O P 7 UTC time in DCF 77 code O P UTC time in ASCII string O P Write to TEG Figure 13 Output Config Page Page 21 of 49 INTERNATIONAL www tekroninternational com se Figure 13 shows the settings for a user defined pulse on the P4 pin1 output The values shown will result in a single pulse per minute The pulse will begin 59 99 s
10. IS Tie COGS O P On PA a een een ee une 42 E 2 IRIG J 17 Time Code O P on PA een 42 E3 Sting A Time Code O P on Ph reriopemiesanapinineini iine ees 43 EA Stnng B Time Code O P On PA ae een 43 ES Sin C Time Coe O P ON PA en nase 44 E6 St ng D Time Code O P on PA 44 E7 String E Time Code O P On PA nee ee ee 45 ES String F TimeCode O P on PA nee ee ee 45 ES NMEA ZDA Time Code O P on PA een 46 E 10 NMEA RMC Time Code O P on PA uussessssssssnssnsnssnensnnnennenennenennensnnensnnensnnensnssnennnnennsnesnnnene 47 WARRANTY STA TEMEN IT 48 TCG 01 User Manual BER IHR ENSIUL SENSE 9 Edition February 2007 1 INTRODUCTION TCG 01 Time Code Generators produce precision time code signals serial strings and pulses for use in synchronising industrial control and SCADA equipment They are ideally suited to providing time synchronisation simultaneously to many different devices such as Remote telemetry Units RTUs Protection Relays and other Intelligent Electronic Devices IEDs used in electrical sub stations and industrial control installations The TCG 01 features one AM Modulated IRIG B output three programmable outputs and a serial port which is user configurable to output serial strings and report events for units fitted with event recording capability Factory options include an embedded Network Time Server and a choice of output connectors BNC 2 pin plug or ST Fibre Non fibre outputs that can be ordered are TTL RS422 or
11. ails se All TCG 01 antenna installations should follow the guidelines above Page 2 of 49 TCG 01 User Manual 3 OPERATION Connect the antenna lead and the antenna with a good view of the sky Then connect the power source to P1 se Check the label on the base for voltage requirements before switching on The time required that will achieve tracking and synchronisation given a good view of the sky is typically within a minute Although reactivating a unit that was previously synchronised 1000 s of km away from the present position will take longer but not more than 45 minutes 4 FRONT PANEL Figure 2 TCG 01 Front Panel TCG 01 features two LED indicators on the front panel together with a 2 line by 16 character LCD display The display is optimised for viewing straight on or from below as the clock is a lightweight device normally mounted at eye level or higher in an equipment bay LCD DisPLAY The display unit updates every second displaying day date time and time offset from UTC It also provides more information on the GPS receiver operation A recessed push button located on the front panel between the two indicator LED s is used to switch between display pages SYN LED This LED operates in parallel with the Sync Relay and is active at all times when the unit is operating with time code outputs accurately tracking the GPS time signals GPS LED Flashing cadences indicate the status of the GPS rec
12. as specified by the configuration program refer to IRIG B Options on page 22 nee Most devices with amplitude modulated IRIG B time sync inputs have an input impedance of between 4kQ and 20kQ and maximum allowable peak to peak level of 6V or so The P5 output on TCG 01 is designed to drive many of these devices all in parallel with a terminating resistor typically 100 180 ohms fitted at the far end of the coax line feeding all of the attached loads In this way P5 can drive at least 20 and typically 30 or more devices without any external amplification required The terminating resistor is essential to ensure good noise immunity Page 10 of 49 TCG 01 User Manual nme arse 9 Edition February 2007 5 7 P6 Event Recording Inputs or External Sync Input Two input channels with common return that may be driven by TTL logic levels This port is implemented via a 2 pin plug able connector Wiring size is up to 1 0mm and the input is isolated to 2 5kV C is the common reference OV and 2 and 1 are TTL inputs 2 and 1 respectively Inout burden is 7mA at 5V P6 is used for e Event time tagging or event recording on units with this option fitted For a full description see Appendix C on page 32 e Synchronisation of TCG 01 to an external IRIG B signal only in D4 or later firmware See Section 8 3 7 Sync to IRIG B Input on page 20 for further information on using this feature 5 8 P7 Sync Relay
13. e button is used to save and apply the changes to TCG 01 What follows is a description of some of the TCG O1 s configurable parameters Due to continuous product improvement these specifications are subject to change without notice On Clocks less than D8 firmware some of these features will be unavailable Page 17 of 49 INTERNATIONAL www tekroninternational com 8 2 Local Time Settings 8 2 1 Local Standard Time and Local Daylight Time offsets The time offsets define the number of hours and in rare cases minutes that the local time differs from UTC time A positive offset means that the local time is ahead of UTC If automatic Daylight Saving Time operation is not required both of the offsets should be set to the same value For UTC operation both values should be set to zero 8 2 2 Local Time When a TCG O1 is connected this clock face will be active and is a preview of the current time according to the current daylight savings and local time rules shown in the configuration tool 8 2 3 Choose City The Choose City button provides a convenient way of automatically filling in time offset and daylight savings parameters simply by selecting a geographical location 8 2 4 Set Daylight Time Using This allows configuration of TCG 01 s Automatic Daylight savings changes based either on a fixed date or a fixed rule for calculating a date that will be different depending on what year it is Use the Choose City butto
14. econds after the start of the minute and will last for 1 100th of a second 10ms These settings of the pulse output on P4 pinl are normally used in conjunction with the NTGS ASCII String on P4 to give an NTGS synchronisation protocol 8 4 2 P4 Serial String The serial port output P4 operates at the fixed data rate of 9600bd with no flow control and 8 bit no parity format unless otherwise specified The standard TCG 01 outputs are broadcast messages sent at regular intervals The broadcast repetition rates timings and message content are all described in the Serial Output Strings Appendix on page 42 Descriptions of each string are also built into the configuration tool select the output string from the drop down list in the configuration tool and press F1 8 5 IRIG B Options 8 5 1 Binary Seconds in IRIG B The Binary Seconds field is an option specified by IRIG standard 200 98 If this option is checked all of the outputs programmed for IRIG B code including the amplitude modulated output will include the Binary Seconds of Day data 8 5 2 IRIG B Extensions IRIG Standard 200 98 specifies a 27 bit control field in the IRIG B time codes but does not define the content If either of the following options are checked a IRIG B outputs including the fixed AM output P5 will include the extension data in the control field IEEE1344 Extensions US origin IEEE1344 defines fields for Year Impending leap second
15. eiver Page 3 of 49 INTERNATIONAL www tekroninternational com 4 1 LCD Display The LCD display shows a copyright message along with the serial number and revision level of the unit for approximately 10 seconds following power up Figure 3 a The display then automatically changes to the operating default Figure 3 b The user may cycle between all four of the screens by pushing the recessed pushbutton on the front panel between the LED indicators The display examples below all show the same instant in time TEKRON TCGO1 D 0 UTC 1200 17MARO3 C 2003 Sn02749 076 11 16 53 87A a Start Up Clock ID b Operating Default LST MON 17 MARO3 UTC SUN 16 MARO3 076 11 16 53 87A 075 23 16 53 87A c Local Time d UTC Time Figure 3 LCD display screens The top line of screen b shows the UTC offset in hours and minutes and the local date The local day of year and time of day are on the bottom line The rightmost bottom three characters provide satellite tracking information UTC denotes UTC time similar to GMT while LST denotes Local Standard Time If daylight savings time is active LST in screen c changes to LDT denoting Local Daylight Time Screen b shows that the clock is operating with a local time offset of 12 hours ahead of UTC The local date is 17 March 2003 and the local time is 11 16 53 in the morning Screen c shows the same time and date but also indicates that the time displa
16. ennnnen 23 88 VSID SATEESSA E E E EEE ee 23 APPENDIX A ANTENNA DETAILS 2200002000020000000000000002000000000020000 00000 nn nn 2000 25 A 1 Antenna Cable Specification rec sccey ceccececuscoccepscencesiveseepeescececsncecncpeseauacoseseeecaancanvicessecoeecceseosens 25 A2 Antenna SO SCI CA ON ois ceccscatorccrescace cs ieee EE nen an een 26 AS Antenne Asse IV Ne 26 APPENDIX B LIGHTNING PROTECTION OPTION 222002200002002000000000020000 28 BT a Ieee ee ee ee ee ee 28 B2 EPROEKRIE Content een 28 Bo EGON a ee ee 29 DA Disclaimer se E E eee rrr ee ere 31 APPENDIX C EVENT TIME TAGGING OPTION 2 0 22200020000200000000000000020e2 0000 32 CL IntoQauelon 2er 32 C 2 TCG 01 Command Response Message structure uuesssssssssssnensoneneonenenensnnennnnennsnennenene 33 C 3 TCG 01 Commands related to Event Time Tagging 2z2u00s000020000e0neneneonenennenennenenne 33 APPENDIX D NETWORK TIME SERVER OPTION 222022220002200000000000000000000 36 D 1 Configuration Requirements nes een 36 D 2 Methods for Accessing Set Up Mode 222u002200000000000000000nenennenennenennensnnennen snnnennnnennenen 36 D 3 Using Telnet to access Set Up Mode 20020000000000000200en0onennennensonennensnnsnnnnensnnnnenennne 37 DA NTS S6t Up Mode Men een 38 DS Time Server Operation eure EERE EEEE EE EA 40 APPENDIX E SERIAL OUTPUT STRINGS 2200022000020000000002000020000000000000000 42 EL NG
17. er isolation via DC DC converter is used for the main power supply and for power to each of the logic output drive circuits The serial communications interface is also separately powered via isolating DC DC converter High speed fixed delay opto isolators are used in each of the time sensitive signalling paths The isolation does not degrade the time accuracy of the output signals as the fixed delays of the isolating components together with the delay associated with the antenna lead in are all internally compensated Page 14 of 49 TCG 01 User Manual E EEEE 9 Edition February 2007 7 FACTORY HARDWARE OPTIONS 7 1 TCG 01 High Voltage Output Option TCG 01 may be ordered with either or both of the P2 and P3 outputs configured with a high voltage FET switching transistor instead of the standard 5V logic output When so fitted each output can switch an external load of up to 300VA with a maximum on current rating of IA and a maximum rated Voltage of 300V DC External wiring should be arranged so that the external high voltage supply line up to 300V DC max is connected via a fuse to the load The return connection from the load is then wired to one terminal of the P2 P3 output and the other terminal of the P2 P3 output is then wired to complete the circuit back to the other side of the power supply Do not connect the high voltage supply to P2 or P3 unless the high voltage option is fitted check the label on the base
18. ffected by this option and will still indicate the true sync state of TCG 01 8 3 6 Suppress Outputs When Out of Sync This option suppresses the TCG O1 s output signals on P2 P3 P4 P5 and the Time Server when the clock goes out of sync The sync relay operation is unaffected by this option and will still indicate the true sync state of TCG O1 8 3 7 Sync to IRIG B Input Checking this option forces TCG O1 to get its synchronisation from an external IRIG B signal fed into the first input on the input plug P6 terminals 1 C overriding any information from the GPS antenna This feature allows multiple time code generators from a single antenna The slave TCG O1 receives synchronisation from a master TCG 01 that is producing IRIG B and will use the local time settings that are programmed into the master TCG 01 GPS Antenna TTL level IRIG B with IEEE extensions P2 or P3 P6 input 1 C P6 input 1 C Master Slave 1 Slave 2 Figure 12 Multiple Time Code Generators with one GPS Antenna 8 4 Programmable Outputs 84 1 P2 P3 P4 pin 1 Each of the three outputs P2 P3 and P4 pin 1 can be programmed to give one of four different output waveforms Selection between the four options is done via a drop down menu The options available independently for each output are Page 20 of 49 TCG O1 User Manual a DCF 77 output pulse simulation IRIG B NRZI B000 B001 or B002 B003 IRIG B Modified Manchester Encoded B22
19. imised for stationary applications with pedestal for pipe mount e Antenna lead in cable fitted with matching connectors e 19 Rack mounting Plate amp fasteners e Matching plug in connectors e RS232 Interface cable e Configuration Software 2 2 Mounting The clock is designed to be mounted in a 19 rack but may be used on a bench The unit is attached to the rack mount plate via the four screws shipped installed in the four corners of the front panel GPS Antenna Detailed antenna mounting instructions are contained in Appendix A on page 25 The antenna should be located in a position with as clear a view of the sky as possible over as wide an angle as possible The antenna should also be mounted in a lightning protected zone as far as is possible In practice this means ensuring that there is at least one other earth bonded structure located in the same rooftop area e g another antenna or a lightning rod that reaches significantly higher than the top of the GPS antenna The GPS Antenna should be mounted so that it lies within a 45 degree angle skirt from the top of the other earth bonded structure The GPS antenna mount itself should also be securely bonded directly to the building protection earth and not connected via any of the other earthed structures A lightning protection kit is available for installation in the antenna lead in cable for additional protection of the equipment See section 7 3 on page 16 for det
20. info Local time offset info impending daylight savings change time quality AFNOR NF S87 500 Extensions European Origin AFNOR S87 500 defines fields for Day of year day of week year month day of month 8 6 Local UTC Selection 8 6 1 UTC Time in DCF 77 IRIG B ASCII String O P When checked UTC time will be output in this time code Otherwise Local time using TCG O1 s current Local Standard Time and Daylight Savings Time settings will be output Page 22 of 49 TCG 01 User Manual a IRERRIIDAUNIENE 9 Edition February 2007 8 7 Network Time Server Configuration Me ime Gols Generato 18S Configuration Taolversion s94 Refresh Data White to TCG Figure 14 NTS Setup Page The NTS Set Up Page is displayed if a TCG 01 unit has a network time server Click Configure to bring up a terminal and configure the time server Appendix D page 36 describes the available options and the time server configuration process 8 8 Visible Satellites Visible satellites are shown on a polar display The rings mark the elevation and the sectors mark azimuth The centre of the display represents directly overhead and the elevation is 90 at this point The edge of the display elevation 0 represents the horizon The azimuth is a compass direction where 0 represents true north 90 is east and 180 is south Satellites being used are marked by a coloured cross on the di
21. information 74 Multi port Hub Option S ih s ka 2 ER GB i a Figure 10 The Multi port Hub option adds seven additional I O to TCG 01 The Multi port Hub option consists of seven additional BNC I O ports in a unit that matches and is mounted along side TCG 01 in a 19 rack mount TCG 01 with multi port option ships with both TCGO1 and Multi port Hub units pre installed in the rack mount 7 4 1 I O Specification P9 PIO Inputs 1 amp 2 Share the same logical input channels as the TTL 6000hm input TCG 01 P6 inputs but are indepen dently impedance isolated P11 Programmable output Outputs the same logical signal as the TCG TTL 5V 75mA sink amp source 01 s P4 pinl output and is isolated P12 P15 Four outputs each Un modulated TTL 5V 25mA sink amp source independently switchable sharing a common ground between other between the modulated or outputs switched to un modulated un modulated form of IRIG B Modulated 8Vp p 1000hm transformer isolated Page 16 of 49 TCG 01 User Manual PERENE NOES 9 Edition February 2007 8 TCG 01 CONFIGURATION SOFTWARE 8 1 Introduction A proprietary software configuration program ships with all TCG 01 units It provides the user access to all of TCG O1 s programmable system operating parameters as well as the programmable output options If preferred parameter set up can be carried out ex factory to customer specification In addition to the descr
22. iptions below the various configurable parameters are also described within the program s on line help Clicking on the icon in the top RH corner of the window brings up the help cursor Moving the help cursor over an option and clicking activates on line help for that parameter Pressing F1 while over a parameter also activates online help The configuration tool requires a Windows PC 95 98 2000 ME XP NT all supported with a spare 9 pin serial port The serial port of the TCG 01 must be connected to this PC with either a straight through DB9 DB9 plug or for DTE TCG O1 s a crossover cable The correct cable for this is supplied with TCG O1 The configuration tool may be run without a clock attached in this case it may view or alter a pre saved configuration file When first loaded the configuration tool will bring up a small status window and scan through available serial ports to find a powered up TCG 01 If a TCG 01 is discovered a snapshot of the current clock settings will be shown in the Clock Setup and Output Config tabs and a live time preview will be shown Once connected the GPS Setup will also begin to show the status of the GPS including any satellites that are being tracked The Refresh Data button is used to re attempt connection to TCG 01 and will read in the current TCG O1 s settings The Writ
23. me server function while still retaining all other output services Specific time sync client protocols supported are NTP and SNTP SNMP trap support allows for status monitoring and NTS alarm reporting to 3rd party network management packages Status reporting can be integrated with existing network management software to provide a complete package Provision is made for up to 5 different IP addresses to be specified for SNMP trap destinations as well as two Syslog IP addresses Accuracy of the NTS time stamps produced is to within 1milliSec of UTC E The RJ45 UTP port is not HV isolated from the TCG 01 chassis but complies with the standard balanced nature of a UTP connection for an office network Each TCG O1 unit equipped with the NTS option is supplied complete with a 2M UTP cable This cable is designed to connect directly between the TCG 01 unit and a network hub switch router The cable is not suitable for direct connection to the network port on a PC If such a connection is required a cross over cable must be obtained The NTS is configurable using the supplied configuration tool and a serial cable or via a password protected telnet connection Appendix D on page 36 contains detail about how to install and configure the network time server option Page 12 of 49 TCG 01 User Manual E EEEE 9 Edition February 2007 6 SPECIFICATIONS 6 1 Dimensions 40mm 1U Each TCG 01 unit is supplied complete with antenna
24. n to access a list of presets 8 3 General Options 8 3 1 Sync Hold Time The Sync Hold parameter is used to control the period after loss of satellite sync that will be tolerated before TCG 01 will show loss of sync and release the sync relay Correct installation will make the loss of sync event rare although in areas with poor GPS coverage there will be occasions where tracking is momentarily lost The accuracy of all outputs when there is a complete satellite blackout is maintained to within a few micro seconds over short periods a few minutes and to within 200us for up to 40 minutes A single satellite signal sufficiently recovers accuracy to within lus E In typical SCADA operations time syncing to within 0 5ms is considered adequate Setting Sync Hold to the maximum 2550 seconds will prevent loss of sync alarms in the event that satellites are temporarily obstructed Page 18 of 49 TCG O1 User Manual Bm L Tins dels Cansracor POG Corinsuranen ool version a0 File Tools Help Clock Setup Output Config NTS Setup GPS Setup Hours Minutes Local Time nun h Local Standard Time LST is UTC 12 foo H P INTERNATIONAL Local Daylight Time LDT is UTC fis foo Y g General Options nf IT ETE 10 05 11am Sync Hold Time seconds feo Antenna Cable Delay ns 25 Antenna Mask Angle deg 5 r Set Daylight Time Using Day of Week Method On the Hour Minute Force Sync On
25. na is good and the unit is 2 short flashes second searching the sky for satellites to begin the sync process se On D4 and later version TCG Ols a test mode is available that when activated will cause all TCG 01 outputs including the sync relay to behave as if they are in sync even if they are not This can be useful for testing the operation of external IED when a connection to a GPS antenna is not available 4 2 2 Sync Status Indications SYN LED illuminated When the SYN LED is on TCG O1 is synchronised to UTC time All of the clock outputs are accurate and are usable for sync purposes and the sync relay output is activated Time accuracy is within 500ns of UTC time Long on short off once every second Time accuracy is certainly within 60ns and is typically Short on long off within 40ns of UTC time once every second Page 6 of 49 TCG 01 User Manual ENEE 9 Edition February 2007 5 CONNECTIONS 90 350Vde Figure 4 Rear Panel of TCG 01 with 2 pin connectors P2 and P3 and NTS output P8 5 1 Pil Power Input Power is applied to the unit via this plug Maximum steady state power consumption is 6W and surge protection is provided Despite the markings on P1 the polarity of the power connection is not important and the unit is fully isolated internally from the power source A mating connector is supplied that is suitable for wiring up to 1 5mm The casing is isolated from the power sup
26. ocol e IRIGJ 17 e Six preset messages String Tekron A F for compatibility with most IED e In TCG Ol version D8 and later NMEA ZDA and RMC messages are available e GPS Binary Messages these are subject to change without notice See Appendix E on page 42 for details of each of the message string formats Page 9 of 49 INTERNATIONAL www tekroninternational com 5 4 2 P4 pin 1 Programmable Output The user may configure P4 pin 1 to output in with inverted or non inverted polarity e A user configurable number of pulses per second minute hour day with adjustable pulse width and offset e IRIG B and DCF 77 time codes Refer to section 6 3 on page 13 for further information 5 5 Earth stud An M4 bolt to chassis is provided for earthing of cable shields This is located under the serial port to the left of the P4 designator 5 6 P5 BNC output P5 provides amplitude modulated IRIG B B12x over a BNC connector Use either coaxial cable or shielded twisted pair to feed signal from P5 to any connected IED When using shielded twisted pair connect the shield to ground The mark space amplitude modulation ratio is 10 3 and peak to peak output level is 8 volts max 100Q impedance The output is fully floating and is transformer isolated to a minimum of 2 5kV This output is not programmable for other types of signal and the IRIG B code is present whenever the unit is powered The particular IRIG B data content is
27. of the TCG 01 unit se IMPORTANT It is the user s responsibility to provide adequate protection in the form of an external fuse to protect the external power supply the TCG 01 output switch and the load Note At all times the polarity of the P2 P3 i Ww connections should be such that conventional current flow is into the M Ww terminal and out of the 0 terminal i e is at higher positive potential than O Positive earth system P2 0 TCG 01 with HV MOSFET P2 0 TCG 01 with HV MOSFET Figure 9 High Voltage MOSFET output switch option Suggested wiring arrangements Output isolation from chassis and other I O is still maintained when the HV option is fitted This simplifies the external load supply arrangements particularly when operating with positive earth systems as in many utility facilities Page 15 of 49 INTERNATIONAL www tekroninternational com 7 2 Power Supply Options DC Inout Ranae AC Input Range This table shows the three different Low L 12 36Vdc 16 24Vac power supply configurations that Medium M 20 72Vdc 24 A8Vac may be ordered with TCG 01 High H 90 300Vdc 80 120Vac 7 3 Lightning Protection Option A lightning Protection kit may be fitted into the antenna lead in cable The kit contains a protection device two coaxial cable connectors a connector crimp tool and mounting hardware Refer to Appendix B on page 28 for specifications and installation
28. on with pin 5 signal return Tekron manufactures a range of interface devices MOFR s that includes such converters Page 13 of 49 INTERNATIONAL www tekroninternational com 6 4 Isolation amp Protection All inputs and outputs feature 2 5kV isolation from each other In addition the logic level outputs P2 and P3 are each protected against damage from transverse voltage events via a three stage network of varistor auto resetting fuse and transient suppressor diode ne Fuse and varistor protection is removed when the switching MOSFET factory option is fitted The user must provide an external power supply and suitable fusing to use the MOSFET output option See 7 1 TCG 01 High Voltage Output Option on page 15 for further information on the MOSFET Output option Varistor protection and current limiting nominally 5mA are employed for protection on the general purpose input TimeCode Generator Voltage Isolation Zones External Power Supply Zone Input Zone DC DC Convertor Opto Isolator ne ak Output 1 Zone eceiver Antenna Rx includes inherent 1 pps signal overvoltage protection Internal Electronics Zone Microcontroller Clock circuit Temperature Sensing Analogue circuitry Display and Indicators Non volatile Log Memory up to 32K RS232 I O Zone Output 2 Zone IRIG B un mod Relay Coil Output 4 Zone Output 3 Zone C O Relay contacts IRIG B mod Figure 8 TCG 01 Isolation Zones Transform
29. ply inputs so that either or neither power supply polarity can be earthed to station earth The input voltage range is marked on the option label that is attached to the underside of TCG 01 The section Power Supply Options on page 16 has a list of orderable ranges a Check the label on the unit base for power supply voltage ratings 5 2 Ant Antenna connector SMA plug The ant antenna input provides an interface for an external active antenna via low loss coaxial cable 500 impedance 5V DC 50mA max is supplied to power an active antenna The total combined gain of the antenna system antenna plus cable and connectors should fall in the range of 10 to 35 dB the optimum being 22dB TCG 01 is normally supplied complete with a timing optimised narrow band antenna and 30m of lead in cable this combination provides an overall gain near the optimum of 22dB see Appendix A on page 25 For lead in lengths longer than 60m either amplification and or larger diameter lower loss cable can be supplied to order see 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 Page 7 of 49 a e e INTERNATIONAL www tekroninternational com A Lightning Protection device may be inserted into the antenna lead A suitable device complete with additional cable connectors a connector crimping tool and mounting
30. rence ar a reer 10 P6 Event Recording Inputs or External Sync Input s0e0ucsssossesneneneseenennenenneneenenee 11 PSNR V na see ee ee ea ee 11 P8 NTS network time server optional 20200000000000000000000nnenennenennennenennenn snennnnen 12 SPECIFICA LIONS 2 on cacaencasesestsescsecesnecesdeccs bieceavacattayicstatassavectsssercse vaates 13 Dimensions ee een 13 donC ON eae ee en 13 Programmable outputs P2 P3 P4 pin sesessososeseseseseseosesososesesesessssososesesesessesoseseses 13 Isolation amp PFOTEClION ee ee RO E 14 FACTORY HARDWARE OPTIONS 22 222000022000000020000000000000000000002000000000000 15 TCG 01 High Voltage Output Option csussssessssssnesnenensonensonsnnennensnnennensnnenn snnnnnnennenennen 15 Power SUPPI OP UON Sepan an E ee 16 Lightning Protection OPt On seinen 16 ULLI DOTE HUD OD TN ON en ee 16 TCG 01 CONFIGURATION SOFTWARE 2 2200000200000002000000000000000eeennnnee 17 IHTTOQUCTI OU ee en ee ae an u ee 17 Local Time Settings anne ee 18 General OU OI NS zn een re 18 PrOgrammable Outputs scsec cosas cecssecerensaces4nceasetsavscnaceetecsetexvaccosarasseesaassacetacnseeersnseavesinisszresoss 20 IRIG B 0 9 rarer eer eer peer eee een ee 22 TCG 01 User Manual x ae 9 Edition February 2007 86 LOcallUTE Selection nn une 22 8 7 Network Time Server Configuration eseeesessessesesoenenenennensnnensnnensnnennennnnen snenennensnn
31. splay and a blue bar on the Satellite Signal Strength Indicator otherwise it is gray on both Right clicking over the Visible Satellites area brings up a menu where satellite trails green lines and a minimum elevation plot the blue lines can be turned on Over time this minimum elevation plot will show the viewable horizon An example of a minimum elevation plot is shown in Figure 15 which is from Wellington New Zealand This example shows there is poor satellite coverage in southern latitudes Page 23 of 49 INTERNATIONAL www tekroninternational com ie Tui Ceel Coppice FOG Keiner Poel version a 79 File Tools Help Clock Setup Output Config GPS Setup Visible Satellites satellite Signal Strength Indicator Antenna Location Time 41 13 080 South 174 53 361 East 06 Mar 2007 M GPS Reciever Status Antenna connected Acquiring satellites Good almanac Refresh Data Exit Figure 15 GPS Setup Page showing trails and minimum elevations turned on se To ensure reliable performance when operating TCG 01 in extreme southern or northern latitudes ensure the antenna is positioned with a clear view of the northern or southern sky 8 8 1 Setting Position and Time Time and position may be pre set using the set time and set location buttons only if TCG 01 has no satellite tracking history To clear tracking history remove the antenna and cycle power or use the Reset GPS button although be prepared
32. te geometry Satellites are positioned in almost a straight line so best accuracy cannot be obtained but the unit will still sync to UTC A 2D position is in use no height This may occur before Position Hold mode has been reached if only 3 satellites are tracked Synchronisation is not compromised A 3D position is in use which includes height A site survey begins next so this mode is rarely seen Site Survey in progress TCG O1 is calculating an accurate position once complete the mode will change to Position hold Position hold Position is known accurately and the GPS is providing its most accurate time better than 60ns to UTC Page 5 of 49 INTERNATIONAL www tekroninternational com 4 2 Front Panel LED Indicators The GPS LED shows the status of the GPS receiver while the SYN LED shows the status of the time synchronisation to UTC reference time derived from the GPS satellites se By default all outputs become active within a few seconds of initial power up even when the unit is notsynced to GPS satellite time Output time data Is not precise until the unit is synced to the GPS satellite 4 2 1 Warning Status Indications SYN LED OFF When the SYN LED is off TCG O1 is not guaranteed to be synchronised to UTC time The sync relay is deactivated C is connected to NC Antenna fault The GPS antenna is not connected 4 short flashes second or is short or open circuited faulty The GPS anten
33. yed Is Local Standard Time and that the day is Monday Screen d shows the UTC time and date which is 11 16 53 on the evening of Sunday 16 March 2003 Page 4 of 49 TCG 01 User Manual x aaa 9 Edition February 2007 4 1 1 Satellite Tracking Status Display screens Figure 3 b c and d all show a three character status field at the bottom right hand side of the display This three character field provides feedback on the parameters that affect the operation of the GPS receiver LST MON 17 MARO3 076 11 16 53 87A Satellites in sky Satellites tracked Receiver status Satellites Represents the total number of satellites currently present in the In sky l sky according to the GPS almanac 0 in this position means that TCG 01 has lost its knowledge of the GPS satellites orbit geometries This occurs if the unit has been in storage for an extended period or if the GPS receiver has been reset It may take up to two hours for the TCG O1 to operate normally again Satellites This digit represents the number of satellites currently being Tracked used to compute the time solution A 0 value means that no updated time solution is available out of lock condition If this condition persists for the Sync Hold time See section 8 3 1 on page 18 the clock will indicate the out of sync condition described under section 4 2 1 Warning Status Indications below Receiver status Poor satelli
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