Doc for Ellipse firmware ≥ 3.0

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Data logging for Ellipse range can easily be made with our data logging tools, available in the SDK package.

This brief document guides you in the process of making data logs that can be used by SBG Systems to support you efficiently.

Step 1 : Configuration

The configuration step will be done using the sbgCenter, available also in the SDK package. The Getting Started section will help you connect to the Ellipse.

Set output logs

In the Input/Output section, the serial port that will be used for data logging must be enabled and configured to the appropriate baudrate.

The baudrate should be high enough to avoid port saturation. We recommend at least 460800 bauds.

Then, in the Data Output section, the appropriate output logs for support should be configured as defined below :

Log

Output Rate

UTC

1 Hz

System Status

1 Hz

Info, SettingsOn New Data

IMU Short

200 Hz

EKF Euler

50 Hz

EKF Nav

50 Hz

Magnetometers*50 Hz
Mag Calib Data*On New Data

Ship Motion*

50 Hz

GPS1 Velocity

On New Data

GPS1 Position

On New Data

GPS1 True Heading*

On New Data

GPS1 Raw Data

On New Data

GPS1 SatelliteOn New Data

Odometer Velocity*

On New Data

DVL Bottom*

On New Data

DVL Water*

On New Data

AirData*On New Data

* Logs must only be selected if applicable.

Step 2 : Logging the data

You can log output messages using our user-friendly data logging tools tool, which are conveniently included in the SDK package.

For a detailed step-by-step guide on how to log data using our tools, kindly refer to our guides on using sbgCenter (recommended for support) or sbgDataLogger.

Step 3: Retrieve and analyse data

The data logged using our data logging tools can be accessed from the logging directory and analyzed using sbgCenter. 

To do so :

  1. Stop the logging.
  2. Open the sbgCenter tool.
  3. Go to File > Import Log.
  4. Select the desired file to import.
  5. Click on "Import Selected Logs".

You can analyze data : display the 2D position, check the data quality by displaying the appropriate graphs, etc.

The settings file can't be retrieved from the data logged by sbgDataLogger. It is recommended to save it from the sbgCenter after the unit's configuration.