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BWT901CL | manual v0707 | http://wiki.wit-motion.com/english

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Содержание BWT901CL

Страница 1: ...BWT901CL manual v0707 http wiki wit motion com english 1 USER MANUAL BWT901CL Bluetooth 2 0 Inclinometer Sensor...

Страница 2: ...you need in the provided documents please contact our support team Our engineering team is committed to providing the required support necessary to ensure that you are successful with the operation of...

Страница 3: ...ection 8 2 1 2 USB HID Connection 10 2 1 3 PC s Bluetooth Connection 11 2 2 Software Introduction 12 2 2 1 Main Menu 12 2 2 2 Menu of Configuration 13 2 3 Calibration 17 2 3 1 Accelerometer Calibratio...

Страница 4: ...nstructions with Android Phone 35 3 1 APP Installation 35 3 2 Connection 36 3 2 1 APP Pairing 36 3 2 2 Phone s Bluetooth Pairing 38 3 3 Calibration 40 3 3 1 Acceleration Calibration 40 3 3 2 Magnetic...

Страница 5: ...y BWT901CL is an CE standard accelerometer It is employed where the highest measurement accuracy is required BWT901CL offers several advantages over competing sensor Heated for best data availability...

Страница 6: ...o the burning of the circuit board For proper instrument grounding use WITMOTION with its original factory made cable or accessories Do not access the I2C interface Do not change the baud rate because...

Страница 7: ...BWT901CL manual v0707 http wiki wit motion com english 7...

Страница 8: ...ions with PC 2 1 Connection Method PC software is only compatible with Windows system BWT901CL Playlist 2 1 1 Serial Connection Step 1 Connect the sensor with a serial converter PIN Connection VCC 5V...

Страница 9: ...sage Link to tutorial of 3 in 1 serial converter TTL serial cable CH340 driver Link to tutorial of 6 in 1 serial converter CP2102 driver Step 3 Insert the converter to computer and confirm the com por...

Страница 10: ...Insert the USB HID adapter into USB slot of computer Step 2 Turn on the sensor after red light of HID adapter flashes Step 3 Wait till the sensor s blue LED light remains on means pairing succeeded S...

Страница 11: ...on computer s Bluetooth Step 2 Turn on the sensor Step 3 Search HC 06 device and input pairing password 1234 Step 4 Confirm the outgoing com port on More Bluetooth Options page Step 5 Open software M...

Страница 12: ...left side Record Record function 3D 3D DEMO Config Configuration setting Help Language English or Chinese Bluetooth Set Binding device or unbind Firmware update Option for firmware update About Minimu...

Страница 13: ...com english 13 2 2 2 Menu of Configuration Menu of Configuration Button Function Read Config Reading the current configuration Lock Lock the sensor Unlock Unlock the sensor Calibrate Time Calibration...

Страница 14: ...or Menu of Calibrate Button Function Acceleration Accelerometer calibration Magnetic Field Magnetometer calibration Reset Height Reset height data to 0 only for sensor built in barometer including WT9...

Страница 15: ...th sensor series Pressure Pressure output only available with the sensor built in barometer like HWT901B WTGAHRS2 WT901B etc Location Latitude Longitude data output only for GPS IMU series such as WTG...

Страница 16: ...wit motion com english 16 D2 Model Not available for Bluetooth sensor series D3 Model Not available for Bluetooth sensor series Pulse width Not available for Bluetooth sensor series Cycle Not availab...

Страница 17: ...2 3 1 Accelerometer Calibration Purpose The accelerometer calibration is used to remove the zero bias of the accelerometer Before calibration there will be different degrees of bias error After calib...

Страница 18: ...ult confirm if there is 1g on Z axis acceleration 1 After1 2 seconds the three axial acceleration value of the module is about 0 0 1 the X and Y axis Angle is around 0 After calibration the x y axis A...

Страница 19: ...nsor will have a large zero error when it is manufactured If it is not calibrated it will bring a large measurement error which will affect the accuracy of the measurement of the z axis Angle of the h...

Страница 20: ...BWT901CL manual v0707 http wiki wit motion com english 20 Step 3 Slowly rotate the module 360 around X Y Z 3 axis accordingly...

Страница 21: ...not successful please stay away from the objective that can create magnetic field interference 2 3 3 Gyroscope Automatic Calibration The gyroscope calibration is to calibrate the angular velocity and...

Страница 22: ...the coordinate system can not be relative to 0 degree Z axis to 0 is to make the initial angle of the z axis angle is relative 0 degree When the module is used before and z axis drift is large the z a...

Страница 23: ...BWT901CL manual v0707 http wiki wit motion com english 23 2 3 5 Reset Height to 0 Only available for the module built in barometer like WT901B HWT901B WTGAHRS1 WTGAHRS2...

Страница 24: ...t of the data return can be set according to user needs click the configuration option bar and check the data content to be output Taking BWT901CL as an example the default output of the module is acc...

Страница 25: ...refers to 10 packets returned every second There contain 33bytes in a data packet in default Reminder If there being many types of return data and low baud rate of communication the module will autom...

Страница 26: ...BWT901CL manual v0707 http wiki wit motion com english 26 2 4 4 Data Recording Method are as follows Step 1 Click Record and Begin Step 2 Click Stop...

Страница 27: ...t the data as txt file Notice If there is repeated TIME of data that s caused by low resolution of the Windows system s time The changes in other data is correct It is highly recommended that data can...

Страница 28: ...recorded file each time there will a BIN file created in the folder of record file in path of installed software meanwhile Recorded data playback method Step 1 Disconnect the sensor Step 2 Click File...

Страница 29: ...BWT901CL manual v0707 http wiki wit motion com english 29 Step 4 Click Run and the Binary file will be playback When playback the rate can be editable...

Страница 30: ...BWT901CL manual v0707 http wiki wit motion com english 30 2 4 6 Standby and Wake Up Not available for Bluetooth sensor series...

Страница 31: ...installation direction of the module is horizontal When the module needs to be installed vertically the vertical installation can be set Step 1 Rotate the module 90 degrees around the X axis Step 2 Pl...

Страница 32: ...Default bandwidth is 20Hz Function 1 The higher rate of bandwidth setting will lead to the higher fluctuation in data waveform Conversely the lower rate of bandwidth data will become more fluent For...

Страница 33: ...aveform will show more fluctuation 2 The higher rate of bandwidth will solve the data repeating problem For example if the bandwidth setting is 20Hz retrieval rate as 100Hz there will be 5 repeating d...

Страница 34: ...lculated and analyzed based on the magnetic field Z axis angle will have few drift The default algorithm of BWT901CL is 9 axis If there is magnetic field interference around installed environment it i...

Страница 35: ...ndroid APP About Android APP 1 Note Paired devices can be searched without turning on positioning According to Google s requirements if APP installed on a higher version of Android 6 0 mobile phone pa...

Страница 36: ...wit motion com english 36 3 2 Connection 3 2 1 APP Pairing Step 1 Install the APK file give permission of Location and Storage Step 2 Open APP and choose 9 axis Series Step 3 Turn on the sensor and s...

Страница 37: ...BWT901CL manual v0707 http wiki wit motion com english 37 Step 4 When pairing is done the blue LED light of sensor will remain still After a few seconds the data will show automatically...

Страница 38: ...le give permission of Location and Storage Step 2 Turn on the Bluetooth in the setting menu of smartphone Step 3 Search the Bluetooth sensor First pairing the device will be recognize as mac address a...

Страница 39: ...com english 39 Step 5 Open the WITMOTION APP and choose 9 axis Series Step 6 Click Scan and select the paired Bluetooth device HC 06 No need to input password Step 7 The Blue LED light of sensor will...

Страница 40: ...tion BWT901CL Playlist 3 3 1 Acceleration Calibration Step 1 Keep the module horizontally stationary Step 2 Click the Calibration menu Step 3 Click the Acceleration Calibration and wait for 3 seconds...

Страница 41: ...Step 2 Click the Magnetic calibration button Step 3 Slowly rotate the module 360 around X Y Z 3 axis accordingly Step 4 After rotation click Finish Check the result The Z axis angle will have fewer dr...

Страница 42: ...ep 2 Plugin the USB HID adapter in the beginning Step 3 Turn on the sensor after the red light of USB HID adapter begins flashing Step 4 Wait till sensor s blue LED light keeps on means pairing succee...

Страница 43: ...on Link to download all sample code Link to sample code instructions demo Notice There is no sample code provided for Linux or Python system at present 5 1 Arduino Download link Arduino UNO3 Demo Link...

Страница 44: ...BWT901CL manual v0707 http wiki wit motion com english 44 5 5 C DEMO link 5 6 Matlab Receive Sample Code Dataplot DEMO...

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