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Evaluation Board User Guide 

UG-260

 

Rev. 0 | Page 19 of 20 

NOTES 

 

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Содержание EVAL-ADXRS450Z-M

Страница 1: ... for temperature or humidity testing Separating the boards mitigates corruption of data due to the temperature and humidity effects of other components The ISEB is a universal main board and is intended to be used with various satellites of Analog Devices inertial sensors including analog and digital accelerometers and gyroscopes The different products are evaluated by means of separate GUIs that ...

Страница 2: ...ion 5 Installing the Latest ISEB Firmware 6 Hardware Configuration 7 Inertial Sensor Evaluation System Graphical User Interface 9 Getting Started 9 View and Record Data Panel 10 Temperature Test Panel 11 Noise and Root Allan Variance Panel 12 Turn On Bias Stability Panel 13 Turn On Bias Settling Panel 14 Sensitivity Check Panel 15 Alternate External High Voltage Supply 16 Header Pinout 17 REVISION...

Страница 3: ...hese steps for installation 1 To run the software installation routine double click the LabVIEW Run Time Install exe file located in the LabVIEW Run Time Installation folder on the included CD The window shown in Figure 2 is displayed Depending on your version of Windows you may be prompted to allow the program to access your computer s settings 09751 011 Figure 2 ADXRS450 ADXRS453 Evaluation Soft...

Страница 4: ... ADI_ISEB_XP_Vista_2000 and continue to Step 2 2 Follow the on screen instructions to install the drivers 3 Click Continue Anyway when prompted that the drivers are not tested After the preceding steps are complete you can connect the ISEB main board to the computer via the included USB cable If the previously installed drivers are not automatically associated with the device you may need to selec...

Страница 5: ...ct Properties The window shown in Figure 9 should open 2 Underneath Tasks select Device Manager Windows Vista may request that you allow access to this panel and administrative privileges may also be required The window shown in Figure 10 should now open 3 Expand the Ports COM LTP list item ADI Inertial Sensor Evaluation System should be listed with an assigned COM port number in parentheses 4 Not...

Страница 6: ...roller follow these steps 1 Ensure that the ISEB is connected to and detected by the PC The COM port on which the device is recognized must also be obtained as mentioned in the COM Port Verification section 2 Run the ARMWSD exe program located in the Firmware Utility folder on the CD This is the GUI for loading firmware onto the microcontroller a screenshot is shown in Figure 13 09751 107 Figure 1...

Страница 7: ...d Installing the ADXRS450 ADXRS453 Software Evaluation GUI With all the drivers and firmware in place follow these steps to install the evaluation GUI 1 Browse to ADXRS450 ADXRS450 Eval Software Installation on the CD and double click on ADXRS450 Install exe Depending on your Windows settings you may be prompted to allow the program access to your computer The window that opens will be similar to ...

Страница 8: ...ect the ADXRS450 ADXRS453 satellite to the opposite end of the ribbon cable The inertial sensor evaluation system should now be set up and ready to use and should resemble the setup shown in Figure 17 Figure 17 Fully Assembled Evaluation Kit Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Do...

Страница 9: ...ia the COM port Follow the instructions in the COM Port Verification section to determine which COM port is assigned to the Analog Devices Inertial Sensor Evaluation System Select this COM port from the drop down list and click Confirm COM to begin using the GUI After the COM port is confirmed the full functionality of the software evaluation GUI is available for you to use You can exit the GUI at...

Страница 10: ... transmitted along with the plotted signals is graphically represented This includes the fault register sequence bits status bits and sensor module bits This information is described in detail in the ADXRS450 and ADXRS453 data sheets This information is also recorded along with the plotted signals when you select Record Gyro Signals Additional functionality on this panel includes the ability to ch...

Страница 11: ...nite length for data recording Before recording the data on this panel you can adjust for null offset components Note that any offset correction made to the ADXRS450 ADXRS453 is stored in the device EEPROM indefinitely or until overwritten with a subsequent correction value Any null offset corrections made on the View and Record Data panel persist throughout the evaluation GUI system even when the...

Страница 12: ...ce free environment Any rotational rate input into the gyroscope can greatly degrade the validity of the resulting RAV plot Determining the rms noise of the ADXRS450 ADXRS453 can be done on this same panel The evaluation GUI calculates the rms noise by taking the standard deviation of the specified number of points which is roughly equivalent to the 1 sigma peak to peak noise value These data poin...

Страница 13: ... on Bias Stability button You are then prompted to enter a file name for the data upon completion of the specified number of turn on cycles or upon clicking the Stop Data Record button While the test is running the Min Max and Std Dev boxes are updated upon the completion of each power cycle It is recommended that this test be run for several hours and in a temperature stable and disturbance free ...

Страница 14: ...algorithms For this test panel the first SPI message is typically received from the device within 20 ms after the ISEB supplies power to the satellite board Additionally if the device is rotated at a constant rate while power is applied the Turn on Bias Settling panel see Figure 23 verifies that the conditions defined for the turn on time are achieved that is after 100 ms typical the device output...

Страница 15: ... 180 90 can also be used Because the satellite board is approximately square as each adjacent side is brought flush with the straight edge 90 of rotation is experienced After the gyro graphic in the GUI rotates through 180 the measurement stops 4 If you finish rotating the device before completion of the measurement firmly hold the satellite board against the straight edge to ensure that no additi...

Страница 16: ...3 data sheets The main requirement for the external high voltage supply is that 0 1 mA to 1 mA of current be supplied to the device The nominal internal voltage is 22 5 V As an example assume that a 30 V supply is available in the end application Then 22 5 V typical is required internally and 30 V is available externally For this condition 7 5 V is dropped across the external resistor To ensure th...

Страница 17: ... 27 ISEB 20 Pin Header Pinout Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downlo...

Страница 18: ...m Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 19: ...from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Страница 20: ... on the Evaluation Board Customer shall inform ADI of any occurred damages or any modifications or alterations it makes to the Evaluation Board including but not limited to soldering or any other activity that affects the material content of the Evaluation Board Modifications to the Evaluation Board must comply with applicable law including butnot limitedto the RoHS Directive TERMINATION ADI may t...

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