Shenzhen Fire Power Control Technology Co., LTD
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6 Axis Gyro Accelerometer High Accuracy Inertial Measure Sensor
| Parameter | Test conditions | Design accuracy | Unit | |
|---|---|---|---|---|
| Gyro | Dynamic measuring range | - | ±500 | º/s |
| Bias stability | Allan variance (500 °/s range, normal temperature) | 0.3 | º/h | |
| 10 s average (-40 ℃ ~ + 80 ℃, constant temperature), | 3.0 | º/h | ||
| Bias | Zero-bias range | 0.1 | º/s | |
| Zero-bias variation over full temperature range | 0.01 | º/s | ||
| Start repeatability | 0.005 | º/s | ||
| Effect of linear acceleration on bias | 0.002 | º/s/g | ||
| Influence of vibration on Bias, change before and after vibration | 0.002 | º/s/g | ||
| Influence of vibration on Bias, change before and during vibration | 0.001 | º/s/g | ||
| Scale factor | Scale factor accuracy | 0.1 | % | |
| Scale factor nonlinearity | 0.01 | %FS | ||
| Angular random walk | - | 0.06 | °/√hr | |
| Bandwidth | - | 200 | Hz | |
| Accelerometer | Dynamic measuring range | - | 16 | g |
| Bias stability | Allan variance (16g range, normal temperature) | 0.02 | mg | |
| 10 s average (-40 ℃ ~ + 80 ℃, constant temperature) | 0.03 | mg | ||
| Bias | Zero-bias range | 1 | mg | |
| Zero-bias variation over full temperature range | 1 | mg | ||
| Start repeatability | 0.2 | mg | ||
| Scale factor | Scale factor accuracy | 0.3 | % | |
| Scale factor nonlinearity | 0.02 | %FS | ||
| Speed random walk | - | 0.08 | m/s/√hr | |
| Bandwidth | - | 200 | Hz | |
| Communication interface | 1-way SR422 | Baud rate | 460.8 | MHz |
| Sampling frequency | UART | 1000 | Hz | |
| Electrical characteristics | Voltage | - | 5 | V |
| Power consumption | - | 1.5 | W | |
| Ripple | P-P | 150 | mV | |
| Structural characteristics | Size | - | 38.6×44.6×21.5 | mm |
| Weight | - | 65±2 | g | |
| Use environment | Operating temperature | - | -40~80 | ℃ |
| Storage temperature | - | -45~85 | ℃ | |
| Vibration | - | 20~2000Hz,6.06g | ||
| Impact | - | 6000g,0.5ms | ||
| Reliability | MTBF | - | 20000 | h |
| Continuous working time | - | 120 | h | |
The IMU300C-A0-IMU is an inertial measurement unit (IMU) based on micromachining technology (MEMS), with built-in high-performance MEMS gyroscope and MEMS accelerometer, outputting 3 angular velocities and 3 accelerations.
Electrical interface
The electrical connector of IMU300C-A0-IMU product is J30J-15 TJL, and the specific contact definition and allocation are shown in the following table:
| Stitch number | Name | Type | Remark |
| 1 | TxD- | Output | RS422 |
| 2 | RxD- | Input | RS422 |
| 3 | TST_1 | Output | |
| 4 | TOV_1 | Output | |
| 5 | RST | Input | |
| 6 | GND | Input | |
| 7 | Spare | ||
| 8 | VCC_5V | Power source | +5v |
| 9 | TxD+ | Output | RS422 |
| 10 | RxD+ | Input | RS422 |
| 11 | ExtTrig | Input | Synchronous input 5V |
| 12 | GND | Input | |
| 13 | GND | Input | |
| 14 | Spare | ||
| 15 | GND | Power ground |
