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TTM 01-G Manual / October 2018 

 

 

19 

 

 

Appendix 

TTM 01-G Specifications 

Physical Specifications

 

UL94-V0 polycarbonate flame retardant DIN rail enclosure with IP40 (Ingress Protection rating). 

Dimensions  

Width 

72 mm 

Depth 

60 mm 

Height 

90 mm 

Weight 

0.15 kg 

GNSS Receiver

 

L1/GLONASS (1575.42 / 1598-1606 MHz) Frequency. 32 Channel, parallel-tracking receiver 

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 

Antenna output voltage 

5 V 

Antenna output current 

100 mA (max.) 

Input and Output Specifications

 

TTL 

5 V (4.5 V at 150 mA) 

2 Pin 

< 100 ns to UTC 

Fiber (λ = 820 nm)

1

 

-19 dB optical power 

ST 

< 100 ns to UTC 

Alarm 

275 Vac / 275 Vdc, 

100 mA 

2 Pin 

 

Ethernet (Copper) 

 

RJ45 

 

Ethernet (Fiber)

2

 

TX: -17 dB optical 

power 

RX: -33 dB sensitivity 

Dual ST, ½ inch pitch   

Optional Output Specifications

 

TTL 

5 V (4.5 V at 150 mA) 

2 Pin 

< 100 ns to UTC 

Serial 

± 9 V 

2 Pin 

< 1 ms to UTC 

AM IRIG-B 

8 V 

2 Pin 

< 2 µs to UTC 

Environmental Specifications

 

Operating Temperature Range 

-10 to 65 

o

C 

Electrical Specifications

 

Power Supply

 

Low Voltage

 

14 - 36 Vdc 

2 Pin + common earth 

Medium Voltage

 

20 - 75 Vdc 

2 Pin + common earth 

High Voltage

 

90 - 300 Vdc 

2 Pin + common earth 

Power drain 

 4 W max 

 
 

 

 

1

 Fiber transmitter is compatible with 50/125 µm, 62.5/125 µm and 100/140 µm multimode glass fiber. 

2

 Fiber Ethernet is compatible with 50/125 µm and 62.5/125 µm multimode glass fiber.

 

Содержание TTM 01-G

Страница 1: ...TTM 01 G USERMANUAL ...

Страница 2: ...onal Output 9 Software 10 Configuration Tool 10 Installation 11 Identification 11 Location 11 Power Supply 11 Hazardous Voltage 12 Earthing 12 Mounting the TTM 01 G 13 Connecting the TTM 01 G 13 Factory Reset 15 Factory Hardware Options 16 Power Supply Options 16 Optional Output Cards 16 Isolation and Protection 17 Lightning Protection 18 Appendix 19 TTM 01 G Specifications 19 Serial Output String...

Страница 3: ...O P 21 String A Time Code O P 22 String B Time Code O P 23 String C Time Code O P 24 String D Time Code O P 25 String E Time Code O P 26 String F Time Code O P 27 String G Time Code O P 28 NMEA ZDA Time Code O P 29 NMEA RMC Time Code O P 31 Warranty 33 ...

Страница 4: ...NASS satellite constellations and produces time codes and pulses with sub microsecond accuracy and precision The TTM 01 G clips onto a standard DIN rail Its rugged compact design is suitable for noisy electrical environments while built in electrical isolation combined with strong push pull drives on outputs simplifying wiring schemes and enhancing reliability Refer to Figure 1 Figure 1 TTM 01 G F...

Страница 5: ... alarm by name Table 2 ALM LED Functionality Alarm Name Specification Satellites Low The number of satellites currently being used for time and position calculations is below the threshold No Sync The TTM 01 G is not synchronised to any source or holdover period has expired or the timing output inaccuracy has been exceeded Holdover The TTM 01 G has lost synchronization to any source and is now in ...

Страница 6: ...when the IP address is assigned to some other node in the network and cannot be assigned to the TTM 01 G Ethernet port Under such situations the Ethernet port defaults to a link local address Sync Forced This alarm is generated when the Never leave Sync Test Mode option has been selected Table 3 Alarm Specification ...

Страница 7: ...l 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 signal loss in the antenna installation system which will be dependent on cable length The total gain of the antenna installation should fall within the ranges specified below The total gain is calculated by the gain of the antenna Tekron supplied antenna provide...

Страница 8: ...er the transmit or receive pair on the Ethernet port TX Fiber Output This port transmits an IRIG B B00x or B22x programmable pulse or DCF77 signal over fiber that may be configured to output in either inverted or non inverted polarity The fiber transmitter is compatible with 50 125 µm 62 5 125 µm and 100 140 µm multimode glass fiber TTL TTL Output The TTL output is a high drive non isolated TTL le...

Страница 9: ... event of all power to the TTM 01 G being lost the alarm relay defaults to the alarm state open contact The and symbols are included for reference purposes only as the alarm contacts are not polarized The ALM output is a synchronization fail alarm This alarm is active contact open when the unit is not synchronized and is not in the holdover state OPT Optional Output The TTM 01 G has a slot for one...

Страница 10: ...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 password on first login ...

Страница 11: ...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 DC power should be applied to the and screw clamp terminals above the PWR input The DC polarity is not critical As shown in Figure 3 the input voltage range can be found on the side of the unit above the power input screw clamp terminals Note The Power supply...

Страница 12: ...nit However the installer must exercise care in wiring the screw clamps to ensure bare copper is not accessible Earthing The GND connection is located next to the power supply input terminals highlighted in Figure 5 This must be connected to earth for full protection of the TTM 01 G Figure 5 GND screw clamp The unit must be safety earthed whenever it is powered on using the earth terminal as pictu...

Страница 13: ...ned for the following cables 0 2 4 0mm 30 12 AWG solid cable 0 2 2 5mm 30 14 AWG stranded cable The SMA ANT connector should be connected to the antenna lead in cable Care should be used to ensure that the cable bend radius is kept within the cable specification and the SMA connector is not placed under strain The Fiber TTM 01 G can be connected to an ST multimode Fiber cable for Ethernet and is l...

Страница 14: ...TTM 01 G Manual October 2018 14 Figure 7 TTM 01 G Top Connectors left and Bottom Connectors right ...

Страница 15: ...y 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 forgotten the unit must be returned to Tekron for reprogramming at the customer s expense This feature may be permanently disabled by Tekron on req...

Страница 16: ...al Output Cards The TTM 01 G has a slot for one I O card to allow a variety of user interfaces Each card is limited to one additional port with at least 3 kV isolation from the rest of the system to avoid current loops Table 5 below shows the orderable options Output Type Features None No optional output These screw clamps will be blanked off on units that have no optional output TTL TTL 5 V 150 m...

Страница 17: ...rd from the internal electronics and power supply The Alarm port has a UL and VDE approved 3 75 kV isolated contact and is protected by a 600 V 175 mA self resetting fuse and a 350 V transient suppressor diode The copper Ethernet port provides 1 5 kV isolation and includes Electro Static Discharge ESD suppression on board All optional output cards feature at least 3 kV isolation from earth and hav...

Страница 18: ...ctures However this will not provide immunity from damage caused by a direct lightning strike or voltages induced in the antenna lead in cable due to side flashes or induction All Tekron antenna installations should follow the guidelines above regardless of whether a separate lightning protection device is to be fitted to the antenna lead in cable In areas with a low incidence of electrical storms...

Страница 19: ...150 mA 2 Pin 100 ns to UTC Fiber λ 820 nm 1 19 dB optical power ST 100 ns to UTC Alarm 275 Vac 275 Vdc 100 mA 2 Pin Ethernet Copper RJ45 Ethernet Fiber 2 TX 17 dB optical power RX 33 dB sensitivity Dual ST inch pitch Optional Output Specifications TTL 5 V 4 5 V at 150 mA 2 Pin 100 ns to UTC Serial 9 V 2 Pin 1 ms to UTC AM IRIG B 8 V 2 Pin 2 µs to UTC Environmental Specifications Operating Temperat...

Страница 20: ... second Timing Transmitted once per minute Sent during the last second before the minute rollover to which the data in the string refers Table 7 details the NGTS serial string format and fields Timing Transmitted once per minute Sent during the last second before the minute rollover to which the data in the string refers Default Comms 9600 bps 8 bit ASCII no parity Definition TyyMMDDWhhmmx CR LF P...

Страница 21: ...rst character SOH is exactly on the second that the message describes Default Comms 9600 bps 7 bit ASCII odd parity Definition SOH ddd hh mm ss CR LF Placeholder Content SOH Start Of Header HEX 01 ddd Day of year range 001 366 HEX 3A hh hour 00 23 HEX 3A mm minute 00 2 HEX 3A ss Seconds 00 59 CR Carriage Return HEX 0D LF Line Feed HEX 0A Table 8 IRIG J17 String Time Code Format Fields Example Inte...

Страница 22: ... of the first character SOH is exactly on the second that the message describes Default Comms 9600 bps 8 bit ASCII no parity Definition SOH ddd hh mm ss yy CR LF Placeholder Content SOH Start Of Header HEX 01 ddd Day of Year range 001 366 HEX 3A hh hour 00 23 HEX 3A mm minute 00 59 HEX 3A ss seconds 00 59 HEX 3A yy year 00 99 representing the last two digits of the year since 2000 CR Carriage Retu...

Страница 23: ...h mm ssQ CR LF Placeholder Content SOH Start Of Header HEX 01 ddd Day of Year range 001 366 HEX 3A hh hour 00 23 HEX 3A mm minute 00 59 HEX 3A ss seconds 00 59 Q Quality Character detailed in Table 11 CR Carriage Return HEX 0D LF Line Feed HEX 0A Table 10 String B Time Code Format Fields Quality Character Q Content HEX ASCII 20 space Clock is synchronized timing accuracy is better than 60 ns 2E fu...

Страница 24: ...bps 8 bit ASCII no parity Definition CR LF Q SPACE yy SPACE ddd SPACE hh mm ss 000 SPACE SPACE SPACE Placeholder Content CR Carriage Return HEX 0D LF Line Feed HEX 0A Q Quality indicator in sync out of sync SPACE HEX 20 space yy Year 00 99 representing the last two digits of the year SPACE HEX 20 space ddd Day of year range 001 366 SPACE HEX 20 space hh hour 00 23 HEX 3A mm minute 00 59 HEX 3A ss ...

Страница 25: ...tring D Time Code O P String D is IDENTICAL in content to String B in Table 10 but the second mark is at the leading edge of the start bit of the CR Example Interpretation SOH 112 12 34 36 CR LF day 112 time 12 34 36 100 µs sync error ...

Страница 26: ...ly on the second Default Comms 9600 bps 8 bit ASCII no parity Definition SOH YYYY ddd hh mm ssQ CR LF Placeholder Content YYYY 4 digit current year HEX 3A ddd Day of year range 001 365 HEX 3A hh hour 00 23 HEX 3A mm minute 00 59 HEX 3A ss seconds 00 59 Q Quality character as defined in String B refer to Table 11 CR Carriage Return HEX 0D LF Line Feed HEX 0A Table 13 String E Time Code Format Field...

Страница 27: ...SCII 1100 CR Carriage Return HEX 0D LF Line Feed HEX 0A 44 ASCII 44 means local time follows hh Local hour of day 00 23 mm Local minute of day 00 60 ss seconds 00 59 54 ASCII 54 means local day of year follows ddd Local day of year 001 365 CR Carriage Return HEX 0D LF Line Feed HEX 0A 45 ASCII 45 means UTC time follows HH UTC hour 00 23 MM UTC minute 00 59 ss UTC seconds 00 59 CR Carriage Return H...

Страница 28: ...h hour of day 00 23 Mm minute of day 00 60 Ss seconds 00 59 DD day of month 01 31 MM month of year 01 12 yy year 10 99 LF Line Feed HEX 0A CR Carriage Return HEX 0D ETX End of Text HEX 03 Table 15 String G Time Code Format Fields Clock Status The s Clock Status is an ASCII character in the range 0 9 A F representing a single hex digit nibble Bits 3 2 1 0 0 No announcement for time change 1 Announc...

Страница 29: ...d by the NMEA 0183 standard and transmitted at 9600 bps Timing Transmission is once every second The leading edge of the start bit of the is exactly on the second Default Comms 9600 bps 8 bit ASCII no parity Definition GPZDA hhmmss 00 dd MM YYYY s xx yy CC CR LF Placeholder Content GPZDA ASCII GPZDA ASCII comma hh UTC hour of day 00 23 mm UTC minute of day 00 60 ss UTC seconds 00 59 00 ASCII 00 AS...

Страница 30: ...ing the 8 data bits of each character between but not including the and 00 FF CR Carriage Return HEX 0D LF Line Feed HEX 0A Table 18 NMEA ZDA Time Code Format Fields Example Interpretation GPZDA 123456 0023042010 1200 UTC time is 12 34 56 23 April 2010 the local time offset is 12 00 ...

Страница 31: ...00 60 ss UTC seconds 00 59 00 ASCII 00 ASCII comma a Status A valid V invalid ASCII comma tttt tttt Latitude degrees minutes 00 89 degrees 00 0000 59 9999 minutes ASCII comma N Latitude north south N north S south ASCII comma ggggg gggg Longitude degrees minutes 000 180 degrees 00 0000 59 9999 minutes ASCII comma W Longitude east west E east W west ASCII comma 0 0 ASCII 0 0 ASCII comma 0 0 ASCII 0...

Страница 32: ... 2018 32 Example GPRMC 102520 00 A 8530 1383 N 12847 8675 E 0 0 0 0 230223 0 0 E 01 CR LF Interpretation UTC Time 10 25 20 valid Latitude 85 39 1383 minutes North Longitude 128 47 8675 minutes East Date 23rd of February 2023 ...

Страница 33: ...ent 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 Windows 7 Windows 8 and Windows 10 are trademarks of Microsoft Corp Copyright 2018 Tekron International Ltd All rights r...

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