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VG700
FIBER OPTIC VERTICAL GYRO
• MIL-Qualified Vertical Gyro• Fiber Optic Gyro Stability <20°/hr• Stabilized Roll and Pitch Angle Outputs• Optional Relative Heading Output• Environmentally Sealed Enclosure• MIL-STD-810E, MIL-STD-461D
VG700MB
Applications
The VG700MB is a “MIL-Qualified” vertical gyro used for measuring roll, pitch and heading angles (-206 only) in dynamic environments. The VG700MB incorporates Crossbow’s third genera-tion Fiber Optic Rate Gyro technology providing superior performance, reli- ability, and long term stability. The VG700MB has been qualified to meet airborne, land and marine environmen- tal protection and power conditioning requirements.Example applications for the VG700MB include avionics, platform stabilization, land vehicle guidance and robotics.The VG700MB calculates roll, pitch and heading angles by integrating the angular rate sensor outputs. An adaptive vertical erection algorithm compensates the roll and pitch for gyro bias-induced errors using the long term gravity reference provided by the accelerometers. The “authority” of the drift correction can be set via the serial command ‘T’ (refer to the User Manual). • Avionics• Platform Stabilization• Land Vehicle Guidance• RoboticsThe heading output (-206 only) is a “free running” signal that is not slaved to a long term reference. The heading output is initialized to zero during power up.The VG700MB also measures accel-eration and rotation rate about three orthogonal axes. The VG700MB em- ploys on-board digital processing to provide a factory calibrated unit with internal compensation for determinis- tic error sources. Each VG700MB comes with a User’s Manual offering helpful hints on pro- gramming, installation, and product information. In addition, Crossbow’s GYRO-VIEW software is included to assist you in system development and evaluation, and allows you to perform data acquisition (requires RS-422 to RS-232 converter - not included). The VG700MB does not calculate or output navigation or position data.
Roll, Pitch & Heading AngleXYZ Acceleration3-axis Angular Rate Tri-axial AccelerometerTri-axial GyroscopeTemp Sensor14-bit A/D CPU + EEPROM Calibration AlgorithmRS-422
Digital Output