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High Accuracy TDF72IMU0 Fiber Optic Inertial Unit Low Power Consumption
♦ Overview
This type of fiber optic inertial unit contains eight points of vibration reduction, which can meet the application scenarios of large impact and large vibration. It has the advantages of small size, light weight, low power consumption, and high accuracy. It has the dynamic measurement function of carrier angular and linear motion information for the use of small volume and high-precision inertial unit equipment in water/torpedo weapons, as well as land, airborne, and missile weapon platforms.
♦ Performance
| Project | Contents | Index | Notes |
| Performance indicators of gyroscope | |||
| Zero bias indicator
| Zero bias stability (100s) | 0.01°/h |
|
| Zero bias stability (10s) | 0.03°/h |
| |
| Variable temperature zero bias stability | 0.05°/h |
| |
| Scale Factor | Full temperature scale factor | ≤150ppm |
|
| Other indicators | Random walk coefficient | 0.002°/h |
|
| Input range | 400°/s |
| |
| Performance indicators of accelerometer | |||
| Deviation index | Deviation monthly comprehensive error | 20μg |
|
| Zero bias indicator | Zero bias temperature sensitivity | 20μg/℃ |
|
| Scale Factor
| Scale factor monthly comprehensive error | 20ppm |
|
| Scale factor temperature sensitivity | 20ppm/℃ |
| |
| Range indicator | Input range | ±20g |
|
| Whole machine characteristics | |||
| Environmental performance indicators
| Operation temperature | -40℃～60℃ |
|
| Storage temperature | -45℃～70℃ |
| |
| General requirements | Power supply | 18～36V(DC) |
|
| Stable power consumption | ≤15W | Startup power consumption ≤ 25W | |
♦ Electrical Interfaces
| Pin | Connectivity | Signal name | Signal characteristics |
| 1,2 | External power supply
| PCS power supply positive | 24V |
| 3,4 | PCS power supply ground | Power Ground | |
| 5 | 200Hz signal output
| IMU_TX1+ | IMU data output positive |
| 6 | IMU_TX1- | IMU data output negative | |
| 9 | Synchronization signal | IMU_SYN+ | IMU synchronization signal positive |
| 10 | IMU_SYN- | IMU synchronization signal negative |
♦ Structural appearance and dimensions
