QINGDAO THUNDSEA MARINE TECHNOLOGY CO.,LTD
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Model U32 High Accury There-axis Fiber Optic Gyroscope With 0.5 °/hr Bias Drift
1. Product introduction
1.1 Working principle and functions
The strapdown inertial group of U32 fog is an inertial sensor developed for tactical military systems. U32 by three solid-state fiber optic gyroscope, quartz flexible accelerometer, data packaging board, ontology structure and related software and so on, measure the angular velocity and linear acceleration of the vehicle movement, and temperature, install the misalignment Angle, nonlinear, zero error compensation, as the carrier's attitude and navigation control to provide information, measurement results through RS422 serial bus output.
1.2 Overall dimensions
Overall dimensions:Φ(99.5±0.2)mm×(79.5±0.2)mm×(89.2±0.5)mm
The pitch of the installation:(91±0.05)mm×(71±0.05)mm
1.3 Weight
850g±60g
1.4 Performance parameters
| The parameter name | Required value | Note | |
| Range of measured angular rate
| ±500 | ||
| Add meter measurement range
| ±30 | ||
| Bias Drift Repeatability at
| ≤0.5 | Normal | |
| Bias Drift at fixed temperature
| ≤0.5 | Normal | |
| Bias Drift at full temperature
| ≤1 | Variable | |
| Add table zero bias repeatability
| ≤0.5 | Normal | |
| Bias Voltage Drift at Fixed Temperature with Meter (10s,1σ,mg) | ≤0.5 | Normal | |
| Scale Factor Non-Linearity at
| ≤300 | ||
| Scale Factor Repeatability at
| ≤300 | ||
| Add scale factor nonlinearity and asymmetry (ppm) | ≤500 | ||
| Add table scale factor repeatability (ppm) | ≤500 | ||
| Vibration gyro (º/h) | Before and in the vibration | 1 | |
| Vibration in and after | |||
| After and before vibration | |||
| Add table vibration (mg) | Before and in the vibration | 1 | |
| Vibration in and after | |||
| After and before vibration | |||
1.5 Mechanical and electrical interface
1.5.1 Mechanical interface
The mounting surface of the product constitutes the fixed surface for external installation, and the mounting screw is M4.
1.5.2 External power supply and power consumption requirements
| Voltage | Voltage range | Ripple(RMS) | Current |
| +28V | ±5% | ≤100mV | ≤3.00 A(Switch on the transient) |
| ≤1.00 A( Steady state) |
1.5.3 Eelectrical connection interface
The power supply and signal transmission of the strapdown inertial group of the U32 fog are transmitted uniformly through a j30-31zk socket
| Node number | Name | Note |
| 28,29 | 28V | Power supply |
| 30,31 | 28V Ground wire | |
| 7,23 | IMU-TXD+ | RS422 interface T:Signal output R:Signal input |
| 8,24 | IMU-TXD- | |
| 9,25 | IMU-RXD+ | |
| 10,26 | IMU-RXD- | |
| 11 | RS232-TX-1 | RS232-1 |
| 12 | RS232-RX-1 | |
| 13 | RS232-GND-1 | |
| 14 | RS232-TX-2 | RS232-2 |
| 15 | RS232-RX-2 | |
| 16 | RS232-GND-2 |