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CHAPTER 3. CONF

GUR

NG THE ASTERX SB3

Antenna Location and Antenna Oﬀset

The AsteRx SB3 assumes that the main and auxiliary antennas are placed along the
longitudinal axis of the vehicle with the auxiliary in front of the main antenna.

f the antennas

cannot be placed in such a con

ﬁ

guration, the reported heading and pitch may be biased. The

default settings in the

Antenna Oﬀset

and

Antenna Location

ﬁ

elds shown in Figure 3-13

can be altered to compensate for these biases.

n many cases the antenna baseline will not align perfectly with the vehicle

’

s longitudinal axis

or its perpendicular and in these circumstances the provided attitude o

ﬀ

set value can also be

used to compensate for small angular deviations. Note that, in order to ensure the integrity
of the solution, o

ﬀ

sets greater than 5 degrees from the longitudinal axis or its perpendicular

are not recommended.

An increase in angle between the antenna baseline and the vehicle

’

s longitudinal axis in the

clockwise direction corresponds to a positive change in the value of the heading o

ﬀ

set To

better explain this, a few examples of possible setups are given below in Figure 3-13.

Figure 3-13:

Examples of a number of antenna setups and the corresponding

heading o

ﬀ

sets. a.) The default setup for which the angle between the antenna

baseline and the longitudinal axis is 0 and no heading o

ﬀ

set needs to be set. b.)

a slight deviation (5 degrees) from the longitudinal axis in the clockwise direction
is re

ﬂ

ected by a positive increase in the heading o

ﬀ

set. c.) An alternative antenna

con

ﬁ

guration where the antennas are placed perpendicular to the longitudinal

axis.

d.)

An alternative antenna con

ﬁ

guration where the antennas are placed

perpendicular to the longitudinal axis with a small deviation.

The examples above all relate to a heading o

ﬀ

set but the antenna orientation can also

be characterized by a vertical o

ﬀ

set. Vertical o

ﬀ

sets can be compensated for by adjusting

the Pitch o

ﬀ

set. This may be necessary in cases where the antenna baseline is not exactly

parallel to the longitudinal axis of the vehicle or in situations where the two antenna ARPs

Содержание AsteRx SB3

Страница 1: ...AsteRx SB3 User Manual ...

Страница 2: ... not support functions speciﬁc to certain variants While we try to keep the manual as complete and up to date as possible it may be that future features functionality or other product speciﬁcations change without prior notice or obligation The information contained in this manual is subject to change without notice We recommend you to look for new or updated information in our Knowledge Base at ht...

Страница 3: ...web interface via USB 11 3 1 4 Connecting via COM 12 3 2 HOW TO CONFIGURE THE ASTERX SB3 FOR RTK 13 3 2 1 How to conﬁgure the AsteRx SB3 in RTK rover mode via Ethernet 13 3 3 HOW TO CONFIGURE THE ASTERX SB3 FOR ATTITUDE 15 3 4 HOW TO CONFIGURE THE ASTERX SB3 AS A BASE STATION 20 4 Common Receiver Operations 30 4 1 HOW TO CONFIGURE SBF AND NMEA OUTPUT 30 4 1 1 Output over a serial COM connection 30...

Страница 4: ...d 93 68 EC CE marking Directive With regards to EMC the AsteRx SB3 receiver is declared as class A suitable for residential or business environment In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures 1 1 2 ROHS WEEE Notice The AsteRx SB3 is compliant with the latest WEEE RoHS and REACH directives For more information ...

Страница 5: ... double isolated construction and must match the speciﬁcations of the provided power supply Statement 2 Ultimate disposal of this product should be handled according to all national laws and regulations Statement 3 The equipment and all the accessories included with this product may only be used according to the speciﬁcations in the delivered release note manual or other documents delivered with t...

Страница 6: ...cover a wide array of technical and less technical topics The Knowledge Base is part of Septentrio s Support Portal which can be accessed through the support section of the Septentrio website see below The Septentrio website has a dedicated Support section http www septentrio com support where the User Manual the Firmware Reference Guide and the latest oﬃcially supported Firmware version are readi...

Страница 7: ...iﬀerent systems but it can also be used as a single antenna receiver for systems which do not require heading 2 1 Physical and Environmental Speciﬁcations Size 102 x 36 x 118 mm 4 0 x 1 4 x 4 6 in Weight 497 g 1 1 lb Input voltage 5 to 36 V DC Power consumption 1 00 W typical single antenna 1 35 W typical dual antenna Operating temperature 30 C to 65 C 22 F to 149 F Storage temperature 40 C to 75 ...

Страница 8: ...anel of the AsteRx SB3 2 2 2 Rear Panel Figure 2 2 shows the layout of the rear panel connectors of the AsteRx SB3 The rear panel has three connectors a 7 pin female PWR COM2 3 USB socket a 7 pin female COM1 GPIO socket and a 4 pin female ETH socket A full description of the connector PIN layout of the rear panel ports can be found in Appendix A Figure 2 2 The rear panel of the AsteRx SB3 8 ...

Страница 9: ... female PWR COM2 3 USB socket You may also power the AsteRx SB3 by connecting an appropriate USB cable to the same 7 pin female PWR COM2 3 USB socket using either the recommended Septentrio USB adapter or the USB socket of a PC as shown in Figure 3 1 Figure 3 1 Connecting the receiver through USB using the rear panel PWR COM2 3 USB socket The AsteRx SB3 can also be powered through the ETH socket u...

Страница 10: ...power cable is not necessary Figure 3 2 Rear panel Ethernet socket Step 2 Open a web browser and connect to the AsteRx SB3 By default the AsteRx SB3 has the hostname http asterxsb3 xxxxxxx where xxxxxxx are the 7 digits of the serial number of the receiver board inside the AsteRx SB3 This hostname can be used on a local area network to connect to the AsteRx SB3 if the IP address assigned by the DH...

Страница 11: ...nel of the receiver as shown in Figure 3 4 and make sure it is connected to a computer Figure 3 4 Rear panel 7 pin PWR COM2 3 USB socket Step 2 Open a web browser and connect to the AsteRx SB3 Once connected via USB the AsteRx SB3 can be reached using the default Ethernet over USB IP address 192 168 3 1 as shown in Figure 3 5 Note that this address cannot be changed Figure 3 5 Connecting to the We...

Страница 12: ... connect the power cable to the receiver and make sure the correct input voltage is applied between 4 5 and 36 V DC Figure 3 6 Rear panel COM 1 socket Step 2 Open RxControl and connect to the AsteRx SB3 Once connected open RxControl on the computer to which the receiver is connected and follow the sequence of steps described in Figure 3 7 to open a connection to the AsteRx SB3 Note that RxControl ...

Страница 13: ... 3 2 1 How to conﬁgure the AsteRx SB3 in RTK rover mode via Ethernet Step 1 Enable RTK positioning mode Ensure that RTK is enabled as a positioning mode This can be done in the GNSS Position tab by checking the RTK box in the Position Mode ﬁeld as shown in Figure 3 8 Figure 3 8 Ensure that RTK is enabled as a positioning mode Step 2 Conﬁgure the Ethernet connection On the IP Ports window of the ro...

Страница 14: ...he base station Step 3 Verifying the conﬁguration If the Base station and rover receivers have been conﬁgured correctly then the Communication Ethernet window should appear similar to the window shown in 3 10 Figure 3 10 Ethernet tab of the rover receiver showing a ﬁxed RTK position and reception of RTCMv3 diﬀ corr on receiver port IPR1 14 ...

Страница 15: ...ction details how to conﬁgure the AsteRx SB3 in a two antenna setup Step 1 Connect a second antenna Connect a second antenna to the front panel connector labelled AUX ANT as indicated in Figure 3 11 Figure 3 11 Auxiliary antenna connector on front panel Step 2 Conﬁgure attitude settings The attitude settings of the AsteRx SB3 can be conﬁgured in the GNSS Attitude window as shown in Figure 3 12 15 ...

Страница 16: ... 3 12 GNSS Attitude window when two antennas are connected GNSS Attitude ﬁeld The recommended settings for a Heading setup are MultiAntenna mode with attitude calculated using Fixed ambiguities as shown These settings are conﬁgured by default 16 ...

Страница 17: ...axis in the clockwise direction corresponds to a positive change in the value of the heading oﬀset To better explain this a few examples of possible setups are given below in Figure 3 13 Figure 3 13 Examples of a number of antenna setups and the corresponding heading oﬀsets a The default setup for which the angle between the antenna baseline and the longitudinal axis is 0 and no heading oﬀset need...

Страница 18: ...ion where the main antenna is mounted lower than the aux antenna assuming the default antenna setup will result in a positive pitch a shown in Figure 3 14 Figure 3 14 Visual representation of the eﬀect of vertical oﬀset between the two antennas on the Pitch oﬀset Assuming the default antenna conﬁguration the aux antenna being mounted higher will result in a positive value for the pitch 18 ...

Страница 19: ...fAtt These blocks are selected automatically when checking the Attitude box when conﬁguring SBF output via the NMEA SBF Out window as Figure 3 15 shows Figure 3 15 SBF blocks containing attitude information NMEA You can output the attitude information from the AsteRx SB3 in NMEA format by selecting the standard NMEA HDT sentence or the Septentrio proprietary HRP sentence as shown in Figure 3 16 Fi...

Страница 20: ... of the antenna that is connected to the AsteRx SB3 should also be set A Rover receiver in RTK mode calculates a position relative to the Base station receiver The default setting of auto can be used for demonstrations however for most other purposes where an accurate absolute position is important a properly surveyed position is advisable In the example shown in Figure 3 18 the position stored un...

Страница 21: ...CHAPTER 3 CONFIGURING THE ASTERX SB3 Click OK to apply the new settings Figure 3 18 Setting the static position to the pre set Geodetic1 position 21 ...

Страница 22: ...ernet make sure your network has internet access Contact your system administrator to conﬁrm that your network is properly conﬁgured Extra settings are available on the Ethernet settings page under the Communication menu Internet access can be enabled via USB RNDIS IP interface however this will depend on the PC or device you are connected to Speciﬁc settings on the PC or device will be necessary ...

Страница 23: ...ount point In the NTRIP Caster window click on the Settings tab In the General Settings ﬁeld enable the NTRIP Caster and select the IP port over which you wish to send correction data the default port is 2101 Click on New mount point as indicated in Figure 3 20 Select Yes to enable the mount point and give it a name This is the name that will appear in the caster source table Up to 3 mount points ...

Страница 24: ... basic client authentication when conﬁguring the mount point in the previous step you will need to deﬁne at least one user The user name and password are the credentials needed for the NTRIP client to access the correction stream In the Client Users section click on New User as shown in Figure 3 21 Enter a User Name and Password for the user and select the mount points that they will have access t...

Страница 25: ...the caster as was the case in Figure 3 23 then their position will also be visible Figure 3 22 Connecting as a client to the AsteRx SB3 NTRIP Caster On the NTRIP Client side Rover receivers can connect to the NTRIP Caster by entering its IP address and Port as shown in Figure 3 23 After clicking Ok the mount point source table will be ﬁlled and a mount point can be selected The user name and passw...

Страница 26: ... streamed On the IP Ports page click on New IP Server as shown in Figure 3 24 then insert the port number and mode of the connection When choosing a port number avoid conﬂicts with other applications such as the commands port 28784 the webserver port 80 the FTP port 21 as well as the default NTRIP port 2101 and the NTP port 123 Figure 3 24 Select and conﬁgure an IP Server port on which to output d...

Страница 27: ... for GPS GLONASS Galileo and BeiDou are selected by default1 but you can select any combination of correction messages that you want to output A summary of other RTCM messages can be found in the AsteRx SB3 Reference Guide Figure 3 25 Output RTCMv3 diﬀerential corrections on the conﬁgured TCP IP server port of the Base station receiver 1 Note that if you do not have permissions for RTK Base correc...

Страница 28: ...ernet page This IP address and the port number 600 can then be used to conﬁgure a Data Link connection as shown in Figure 3 26 Figure 3 26 Conﬁgure the Data Link terminal emulator tool to connect to the AsteRx SB3 Ethernet port over which diﬀerential corrections have been conﬁgured When connected to the output correction stream click on the Show Data button on Data Link and you should see output s...

Страница 29: ...he conﬁgured Ethernet port has been established in this example using Data Link the Data Streams ﬁeld on the Corrections Output window should now show the active blue connection shown in Figure 3 28 and the corrections output icon in the information panel should appear active Figure 3 28 Web Interface showing diﬀerential corrections output over an Ethernet connection 29 ...

Страница 30: ...ion 4 2 1 and 4 3 detail how to log data on the receiver and how to download data logged on the receiver 4 1 1 Output over a serial COM connection The AsteRx SB3 can be connected via a serial COM cable to an RS 232 compatible secondary device Step 1 Conﬁgure the serial COM port The COM port of the AsteRx SB3 should be conﬁgured with the same baud rate and ﬂow control setting as the coupled device ...

Страница 31: ...In the NMEA SBF Out tab clicking on New NMEA Stream will guide you through the steps needed to conﬁgure NMEA output as shown in Figures 4 2 and 4 3 Figure 4 2 Selecting to output NMEA data on COM3 Figure 4 3 Selecting to output the GGA and ZDA NMEA message every second 31 ...

Страница 32: ...t window a second output stream can be conﬁgured In the example shown in Figures 4 4 and 4 5 the PVTCartesian SBF data block will be output over COM1 once per second Figure 4 4 Selecting to output SBF data on COM1 Figure 4 5 Selecting to output the PVTCartesian SBF block every second 32 ...

Страница 33: ...e 4 6 Figure 4 6 Summary of all conﬁgured data output streams Figure 4 7 shows the actual data output NMEA is in ASCII and is thus readable unlike SBF which is formatted in binary In this example the serial COM was connected to a PC via a USB adapter which maps the serial connection to a virtual COM9 of the PC Figure 4 7 Example showing output of NMEA GGA left panel and SBF PVTCartesian right pane...

Страница 34: ... 8 port 600 has been conﬁgured as connection IPS1 in TCP2Way mode so data can be received as well as transmitted over the connection When choosing a port number avoid conﬂicts with other applications such as the commands port 28784 the webserver port 80 the FTP port 21 as well as the default NTRIP port 2101 and the NTP port 123 Note that a new IP port can also be conﬁgured by following the sequenc...

Страница 35: ...quence of windows to conﬁgure the data you want to output In the example shown in Figure 4 9 the NMEA GGA message will be output every second Ensure that the previously conﬁgured IPS1 port is selected for output as highlighted Figure 4 9 Outputting NMEA GGA over the conﬁgured IPS1 connection Similar steps can be followed to output SBF messages 35 ...

Страница 36: ...TCP IP Client button to conﬁgure the connection In the highlighted ﬁelds insert the IP address or hostname of the receiver and the port number conﬁgured in Step 1 Click on Connect Figure 4 10 Conﬁgure the TCP IP connection settings in Data Link The info line at the bottom of the window should indicate that a connection has been made Click on the Show Data button to display the GGA data coming from...

Страница 37: ...CHAPTER 4 COMMON RECEIVER OPERATIONS Figure 4 11 The Show data window of Data Link showing the NMEA GGA message coming from the AsteRx SB3 37 ...

Страница 38: ... you would like to happen when the internal memory is full This can be conﬁgured in the Advanced tab of the main page of the Logging menu as shown in Figure 4 12 There are two options either the receiver stops logging when the memory is full or it continues logging by making space for new ﬁles by deleting the oldest ﬁles The default setting is Stop logging in all sessions Figure 4 12 Selecting wha...

Страница 39: ...ging session In the Edit SBF Stream window the messages required for RINEX generation have been selected as well as those useful for the Support department for diagnosing problems SBF messages can also be selected individually In the SBF Logging Parameters ﬁeld you can select the naming convention The IGS options names ﬁles according to IGS convention but ﬁles can also be freely named using either...

Страница 40: ...n you have ﬁnished conﬁguring the logging session the Log Sessions window will show a summary of the deﬁned logging sessions as in Figure 4 15 An estimate of the daily size of data generated with the current logging conﬁguration is also given Figure 4 15 A summary of the newly deﬁned logging sessions showing the expected amount of data generated daily 40 ...

Страница 41: ...3 can be downloaded using the web interface using the Disk Contents tab on the main page of the Logging menu Individual ﬁles can be downloaded by clicking on the green download arrow next to the ﬁle name as shown in Figure 4 16 Obsolete ﬁles can be deleted by clicking the button Figure 4 16 Downloading logged ﬁles 41 ...

Страница 42: ...1 3A Pink wire with Red heat shrink tube 2 Black GND GND Ground Brown wire with Black heat shrink tube 3 Green RxD3 USB D EITHER Serial COM3 receive line OR Negative USB 2 0 FS device node Selection is done via pin 7 4 Yellow TxD3 Not connected Serial COM3 transmit line 5 Grey RxD2 USB D EITHER Serial COM2 receive line OR Positive USB 2 0 FS device node Selection is done via pin 7 6 White TxD2 Not...

Страница 43: ...tection 1 µs 15 KΩ pull down 2 Black GND Ground Brown wire with Black heat shrink tube 3 Green COM1 CTS EVENTB COM1 Clear to Send This also connects to the second event EVENTB input It has the same electrical speciﬁcations as EVENTA see pin 1 4 Yellow COM1 RTS PPS_OUT COM1 Request To Send or PPS_OUT PPS_OUT low 0V PPS_OUT high 5V PPS_OUT polarity is consistent with command line reference of OEM mo...

Страница 44: ...an active GNSS antenna to these connectors The gain at the connectors antenna gain minus cable losses must be in the range 15 to 50dB The receiver provides a 5V DC supply on both the MAIN and AUX connectors to feed the antennas The maximum supported current is 200mA Never inject a DC voltage into the MAIN or AUX connectors as it may damage the receiver When using a splitter to distribute the anten...

Страница 45: ...APPENDIX A REAR PANEL PORT DESCRIPTIONS 45 ...

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