GMS-GPS
User Manual
Page 1: ...GMS GPS User Manual...
Page 2: ...tice While the information contained herein is assumed to be accurate GeoSIG Ltd assumes no responsibility for any errors or omissions Copyright Notice No part of this document may be reproduced witho...
Page 3: ...0 4 2 3 1 Mating Connector at the Instrument Side for RS 232 connection 10 4 2 3 2 Mating Connector at the Instrument Side for RS 485 connection 10 4 2 4 CR 5 Device 11 4 2 4 1 Mating Connector at the...
Page 4: ...States of America which is solely responsible for its accuracy and maintenance a GPS provides only UTC time at 0 Greenwich meridian without daylight savings time adjustment Symbols and Abbreviations...
Page 5: ...ith a cable length to be defined at the time of order or provided by the customer 2 GPS Cable Two different cables can be used according to connection GPS RS 232 standard Up to 70 meters of cable leng...
Page 6: ...nals Typically the box is fixed on an outside wall or on a roof This is an important point as the antenna should receive signals from at least 3 satellites for synchronisation of the instrument a Make...
Page 7: ...om instrument 7 GPS_RX_P N A Only used for RS 485 8 GPS_TX_N N A Only used for RS 485 Figure 5 Connector wiring Figure 6 Connector pin out 4 1 2 With RS 485 connection The GPS device is provided with...
Page 8: ...3 GPS_STDBY N A Not connected 4 GND N A Not connected 5 GPS_1PPS Green 1 PPS signal from GPS 6 V_MAIN Yellow 12V power from instrument 7 GND Grey Ground from instrument Figure 9 RS 232 Binder connecto...
Page 9: ...of an Instrument s GPS device input connector Pin Signal Standard Cable Colours Comment 1 GPS_RXD White Reception signal from instrument 2 GPS_TXD Brown Transmit signal of GPS 3 GPS_STDBY N A Not conn...
Page 10: ...low 12V power from instrument 8 SUPPLY Grey Ground from instrument Figure 15 RS 232 scai nair connector Figure 16 Connector pin out 4 2 3 2 Mating Connector at the Instrument Side for RS 485 connectio...
Page 11: ...ions of an Instrument s GPS device input connector Pin Signal Standard Cable Colours Comment 1 GPS_1PPS Green 1 PPS signal from GPS 2 TX Brown Transmit signal of GPS 3 RX White Reception signal from i...
Page 12: ...llow 12V power from instrument 5 GND_EXT Grey Ground from instrument Figure 21 RS 232 CR 6 connector Figure 22 Connector pin out 4 2 5 2 Mating Connector at the Instrument Side for RS 485 connection T...
Page 13: ...y Ground from instrument Figure 25 RS 232 fora CR series connector Figure 26 Connector pin out 4 2 6 2 Mating Connector at the Instrument Side for RS 485 connection Table 12 Electrical connections of...
Page 14: ...the GPS to correctly compute the exact location of the antenna The following is a brief instruction to check whether everything is operational in terms of the GPS On Instrument tab Garmin GPS option s...
Page 15: ...rface Go to Configuration In Data Acquisition tab go to Miscellaneous Parameters Go to Time synchronisation In Time synchronisation menu shown in Figure 32 change the Time source to GPS Configure the...
Page 16: ...ade in the Instrument Once power supply computer and GPS are connected to the Instrument such checks can be performed by logging into the Instrument using GeoDAS In the Web Interface Go to Status and...
Page 17: ...location of the antenna The following is a brief instruction to check whether everything is operational in terms of the GPS While adding the CR 5P under Channels of Digitizers make sure External SYNC...
Page 18: ...Go to Configuration In Data Acquisition tab go to Miscellaneous Parameters Go to Time synchronization In Time synchronisation menu shown in Figure 37 change the Time source to GPS Configure the optio...
Page 19: ...ade in the Instrument Once power supply computer and GPS are connected to the Instrument such checks can be performed by logging into the Instrument using GeoDAS In the Web Interface Go to Status and...
