Toshiba HHGP1 Instruction Manual Download

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INSTRUCTION MANUAL

GPS RECEIVER UNIT

HHGP1

TOSHIBA Corporation 2001

( Ver. 1.6 )

Summary of Contents for HHGP1

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Page 3: ...AUTION will be followed by important safety information that must be carefully reviewed Indicates an imminently hazardous situation which will result in death or serious injury if you do not follow the instructions Indicates a potentially hazardous situation which could result in death or serious injury if you do not follow the instructions CAUTION Indicates a potentially hazardous situation which...

Page 4: ...cting this equipment via an optical fibre do not look directly at the optical signal CAUTION Earth The earthing terminal of the equipment must be securely earthed CAUTION Operating environment The equipment must only used within the range of ambient temperature humidity and dust detailed in the specification and in an environment free of abnormal vibration Ratings Before applying the DC power supp...

Page 5: ... Signal Output 10 5 2 Time Data Output 11 6 Installation 12 6 1 Receipt of GPS Receiver Unit 12 6 2 Installing GPS Receiver Unit 12 6 3 Installing Antenna 12 6 4 Installing Surge Arrester 15 6 5 Installing Fibre Optics 15 6 6 Connecting the Power Supply and the Earthing Terminal 16 7 Preparation for Installation 17 7 1 Selecting an Antenna and Cables 17 7 2 Selecting Coaxial Cables and Conversion ...

Page 6: ...x A Outline of GPS Rceiver Unit 21 Appendix B Technical Data 23 Appendix C Specification of Recommended Antenna and Arrester 27 Appendix D Supplement 31 The data given in this manual are subject to change without notice Ver 1 6 ...

Page 7: ...ecision with respect to 2µs for UTC UTC Universal Coordinated Time excluding the propagation delay time on the cable Reduced cabling work Adopting the signal superimposition method the unit can be connected to an external device with a single optical fibre only Application to a large system Equipped with eight ports for output the time distribution can be made to multiple devices separated from ea...

Page 8: ...based on the received electromagnetic signal Each 1PPS signal occurs at the instant in time given by its accompanying frame of serial data To reduce the number of cables to external devices time data and 1PPS signals are superimposed through a mixing circuit before being output to the optical fibre Figure 3 1 1 Configuration of GPS Receiver Unit Receiver Mixing Circuit E O Antenna 1 Pulse per seco...

Page 9: ...cillator stops DIP switches DSW Set the GPS receiver unit settings During operation these DIP switches are covered to prevent erroneous operations Signal output ports OPT OUT Outputs time signals The optical fibre is connected here Power supply switch INPUT Turns on or off the power of the GPS receiver unit Terminal block __ The 48V dc power is applied and the earth cable is connected P 48Vdc N 0V...

Page 10: ...er screw with a screwdriver the switches are exposed thus making it possible to handle them Switches are handled with a sharp pointed object such as a screwdriver and set to ON or OFF by pushing them up or down respectively After accessing the switches tighten the cover screw to its original state DSW １２３４ Figure 4 1 1 Switch Operation Method Four switches are numbered 1 to 4 from left to right Th...

Page 11: ...case of reliability TRAIM the High reliability Train ON mode SW OFF should be used In high reliability mode the unit outputs the 1PPS signal only when no failed satellites are detected In the case of two or more failed satellites correct operation of the unit cannot be assured In the case of clock range change the switch should be OFF before 2019 and ON after 2020 For the details see the Appendix ...

Page 12: ...n location estimation may take a longer time or may even be impossible If satellites are closely aligned in relation to the receiver then it may not be possible to achieve a location estimate even when the necessary numbers of signals are received The reason for this is that as the angle between received signals becomes small the error in location estimation becomes large Accordingly installing an...

Page 13: ...s and 1PPS Output Status 5 2 Time Data Output On power up time data serial data consisting of year month date and hour minute second is output from the receiver s internal RTC real time clock If satellite signals are received then time data transmitted by the satellite i e GPS time is output until acquisition of the almanac data is completed The GPS time deviates from UTC time by an accumulated nu...

Page 14: ...or plain table installed in a stable location 6 3 Installing Antenna A surge arrester must be installed between the antenna and the GPS receiver unit It must be grounded according to the methods specified in section 6 4 so as to prevent injury or malfunction Install the antenna in the specified location in the method shown in the diagrams below CAUTION An improper antenna installation location may...

Page 15: ... antenna should be fixed to a support pole with Debe clamps and U bolts An example installation of the Furuno Electric antenna using the accompanying clamps is shown in Figures 6 3 1 6 3 2 and 6 3 3 Parker clamp Antenna Support pole φ25 to 70 Auxiliary mounting bracket Convex Antenna cable Wind the tape to cover the whole of junction and U shaped gap Leave the connector slightly loose so that no e...

Page 16: ...ng sure the cable is long enough Figure 6 3 2 An Example of Installation Using GPA 014B for Antenna A Parker clamp Antenna Support pole φ27 to 90 Auxiliary mounting bracket Tape Antenna cable Leave the connector slightly loose so that no excessive force is applied Connector junction Insulation prevention measure Autofusion tape vinyl tape or water proof cap Figure 6 3 3 An Example of Installation ...

Page 17: ...opper earth wire 2 5 to 3 2 mm in diameter to the earthing terminal on the arrestor Connect the other end of the wire to the arrestor s own earthing point Make the connection distance between the arrester and the earthing point as short as possible and protect the earth cable with an insulation pipe The surge arrestor must have its own direct connection to earth and must not share an earth connect...

Page 18: ... safety purposes make sure that the earth connection is reliable CAUTION The earthing terminal must be securely earthed The failure to ground may cause malfunctions electric shocks or injury Figure 6 6 1 External Connection of GPS Receiver Unit Fibre optic cable to relay Earth Earth Earth the arrester only Antenna Adapter Adapter Co axial cable Co axial cable Arrester P N 48V E ...

Page 19: ...it Table 7 1 1 Maximum Extension Lengths of Cables Based on Combinations of Antennas and Cables Coaxial Cable Type RG213 Fujikura 5D FB Belden 9913 Westflex 103 Fujikura 8D FB GPA 017S antenna 16m 25m 35m 35m 35m GPA 014B antenna 33m 50m 75m 75m 75m 7 2 Selecting Coaxial Cables and Conversion Adapters N type NP connectors are installed on both ends of the coaxial cables Conversion adapters are req...

Page 20: ...tion in high reliability mode with operation of the TRAIM function since it is necessary to received signals from satellites which are widely spaced These restrictions can be relaxed for normal mode operation Since the alignment of satellites varies during the course of a day it is necessary to test that the installation is adequate to allow immediate location estimation and continuous 1PPS output...

Page 21: ...cuit clock has stopped oscillating 1PPS OUT LED does not start to blink after power ON Check the antenna location and connection Check that the DIP switches are set to proper positions It takes a long time until 1PPS OUT LED starts blinking after power ON In cases where the power has been turned off for 16 hours or more internal back up data may be lost and it may take about 30 minutes before the ...

Page 22: ... 20 6 F 2 S 0 7 3 8 ...

Page 23: ... 21 6 F 2 S 0 7 3 8 Appendix A Outline of GPS Receiver Unit ...

Page 24: ... 22 6 F 2 S 0 7 3 8 Panel cutout 2 3 7 0 45 0 12 5 70 0 7 0 12 5 162 5 260 0 308 0 290 0 4 R3 5 140 0 Outline 15 45 4 φ7 hole 72 266 45 15 ...

Page 25: ... 23 6 F 2 S 0 7 3 8 Appendix B Technical Data ...

Page 26: ...tes Eight satellites received in parallel Receive signals L1 C A code Receive frequency 1575 42 MHz Time transfer accuracy Within 2µs with respect to UTC When the receiver is tracking GPS Satellites Data backup Data life more than 16 hours Communication Interface Connection ST connector Cable type GI multimode optical fibre 62 5 125µm or 50 125µm Wavelength 820nm Cable Length 0 to 1km 3dB km GPS a...

Page 27: ...SU terminals in common mode 1MHz 1 0kV applied to PSU terminals in differential mode 0 1MHz 2 5kV applied to PSU terminals in common mode 0 1MHz 1 0kV applied to PSU terminals in differential mode Electrostatic Discharge IEC60255 22 2 Class 4 8kV contact discharge 15kV air discharge Radiated RF Electromagnetic Disturbance IEC60255 22 3 Class 3 Field strength 10V m for frequency sweeps of 80MHz to ...

Page 28: ...m continuously 300A m for 1 second Pulsed Magnetic Field IEC61000 4 9 EN61000 4 9 Class 5 6 4 16µs magnetic pulses positive and negative applied with magnitude 1000A m Damped Oscillatory Magnetic Field IEC61000 4 10 EN61000 4 10 Class 5 Oscillation frequencies of 0 1MHz and 1MHz applied with magnitude 100A m European Commission Directives 89 336 EEC Compliance with the European Commission Electrom...

Page 29: ... 27 6 F 2 S 0 7 3 8 Appendix C Specification of Recommended Antenna and Arrester ...

Page 30: ...C P Gain 29 to 35dB 22 to 33dB Preamplifier noise index No more than 2 1dB No more than 1 6dB Supply voltage 4 to 13V 4 0 to 5 5V Current consumption 25 to 30mA No more than 25mA Operating temperature 30 to 80 25 to 65 Storage temperature 40 to 85 35 to 75 Weight Approx 300g Approx 123 30g φ69 24 TNC J 3D 2V 200 85 5 290 φ42 2 52 BNC J 200 3D XV Outline of Antenna GPA 017S GPA 014B ...

Page 31: ...0W PEP Discharge breakdown voltage DC 230V 15 Impulse wave discharge voltage 1 000V Impulse wave current endurance 6 000A Impulse wave repetitive discharge endurance 1 40 µs 500A at least 500 times Insulation resistance at 100Vdc At least 10 000MΩ Connector N J N J Dimensions 78 W 48 H 20 D mm Weight 113g Outline of Arrester CA 23RS EARTH CABLE 78 20 30 48 N J CONNECTOR φ2 5 φ3 2 19 19 ...

Page 32: ... 30 6 F 2 S 0 7 3 8 ...

Page 33: ... 31 6 F 2 S 0 7 3 8 Appendix D Supplement ...

Page 34: ...nd September in 2020 When the DIP switch 4 is set to ON and the power is ON the GPS receiver unit starts outputting the date and time from any date between October in 2019 and March in 2039 The default setting of the DIP switch 4 is OFF After 2020 the DIP switch 4 should be set ON so that the GPS unit outputs the date data correctly Note 1 The date and time data from the GPS receiver unit are used...

Page 35: ...llites are required for the purpose of outputting 1PPS Satellite alignment is subject to strict limits for operation of the TRAIM function The antenna must be located with a wide field of view 4 Conditions for Receiving Electric Waves from Satellites Signals from satellites at an elevation angle of less than 5 degrees are too weak to be received In terms of the impact of weather satellite signals ...

Page 36: ...1T GPA 016 GPA 14B GPA 016B 1 3 Sep 10 2001 3 1 3 2 4 5 1 6 6 8 2 Appendices Modified Figure 3 1 1 Modified Figure 3 2 1 Modified descriptions in Chapter 4 and Section 4 1 Modified descriptions in Section 5 1 Modified Figure 6 6 1 Modified descriptions in Section 8 2 Modified Appendices A B C and D 1 4 Jul 30 2002 Appendix B Modified the description in Conducted and Radiated Emissions 1 5 Mar 28 2...

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