BW SENSING BW-IMU710 Series Technical Manual

BW SENSING BW-IMU710 Series Technical Manual

Small-size three-axis fiber optic gyroscope inertial measurement unit

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BW-IMU710 Series
Small-size three-axis fiber optic
gyroscope inertial measurement
unit
Technical Manual
V3.0

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Summary of Contents for BW SENSING BW-IMU710 Series

  • Page 1 BW-IMU710 Series Small-size three-axis fiber optic gyroscope inertial measurement unit Technical Manual V3.0...
  • Page 2 BW-IMU710 Small-size three-axis fiber optic Gyroscope inertial measurement unit Introduction BW-IMU710 is a small-size high-precision three-axis fiber optic gyroscope inertial measurement unit developed and produced by Bewis Sensing. It can output acceleration and angular velocity information without relying on external signal input, which can be calculated through user-developed algorithms The azimuth angle, roll angle, pitch angle, Euler angle, and quaternion information of the measured carrier are suitable for inertial attitude measurement under various states of motion, vibration or static.
  • Page 3: Specification

    BW-IMU710 Small-size three-axis fiber optic Gyroscope inertial measurement unit Specification Electrical index Power supply 9-30V DC Power ripple ≤50mV Operating temperature -40~60℃ Storage temperature -55~80℃ Performance index Bias stability ≤0.3°/h(10s,1σ) ≤0.03 °/√h Bias repeatability ≤0.3°/h(1σ) Bias stability at full temperature ≤0.3°/h(100s,1σ) Fiber optic Scale factor nonlinearity...
  • Page 4: Mechanical Properties

    BW-IMU710 Small-size three-axis fiber optic Gyroscope inertial measurement unit Mechanical properties Connector RS422 communication,J63A-242-015-261-TH Protection level IP63(IP67 customized) Shell material Magnesium aluminum alloy anodizing Installation Four M4 screws Package product size Product size:L70*W65*H51(mm) Bewis Sensing Technology LLC www.bwsensing.com Tel:+86 18921292620...
  • Page 5: Installation

    BW-IMU710 Small-size three-axis fiber optic Gyroscope inertial measurement unit Installation The user is responsible for the installation and disassembly of the product. During this process, the product cannot be hit, and the outer surface of the product cannot be mechanically processed. The correct installation method can avoid measurement errors.
  • Page 6: Electrical Connection

    BW-IMU710 Small-size three-axis fiber optic Gyroscope inertial measurement unit Electrical connection Core point No. Definition Annotation GND_IN Input Power input VCC_5V +5V(0.5A) reserve output power P_GND Keep output Serial port A inertial terminal receiving positive A422_R+ A422_R- Serial port A used to receive negative A422_T- Serial port A used to send negative A422_T+...
  • Page 7 BW-IMU710 Small-size three-axis fiber optic Gyroscope inertial measurement unit Protocol 1) Two-way communication, the request signal is 3.3V, LVTTL level, the falling edge is valid (the falling edge represents the sampling time), the falling edge is input within 50us, and the serial port signal is sent, which conforms to the RS-422 interface standard;...
  • Page 8 BW-IMU710 Small-size three-axis fiber optic Gyroscope inertial measurement unit Executive standard ● National Standard for Static Calibration Specifications for Dual-Axis Inclination Sensors (Draft) ● GB/T 191 SJ 20873-2003 General Specification for Inclinometers and Levels Bewis Sensing Technology LLC www.bwsensing.com Tel:+86 18921292620...
  • Page 9 BW-IMU710 Series Small-size three-axis fiber optic inertial measurement unit Wuxi Bewis Sensing Technology LLC Add:Building 30, NO. 58, Xiuxi Road, Binhu District, Wuxi City, Jiangsu Province, China Tel:+86 18921292620 Mail:sales@bwsensing.com Web:www.bwsensing.com...

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