BSLBATT BS-GU30B-5-D3EC MEMS Three-Axis Gyro Instruction Manual
- June 12, 2024
- BSLBATT
Table of Contents
**BSLBATT BS-GU30B-5-D3EC MEMS Three-Axis Gyro Instruction Manual
**
Product overview
BS-GU30B-5-D3EC is a three-axis gyroscope based on MEMS technology, which has built-in high performance MEMS gyroscope and outputs three angular velocities.
BS-GU30B-5-D3EC has high reliability and strong environmental adaptability. By matching different software, the product can be widely used in seeker, tactical and industrial UAV, intelligent ammunition and other fields.
Product features
Three-axis digital gyroscope:
- ± 500º/s dynamic measuring range;
- Zero bias stability: 8 °/H (GJB, 10s), 1.9 °/H (ALLAN);
- High reliability: MTBF > 20000h;
- Guaranteed accuracy within the full temperature range (-40 ℃ ~ 80 ℃): built-in high-performance temperature calibration and compensation algorithm;
- Suitable for working under strong vibration conditions;
- Interface 1-way RS422
Field of application
- Seeker
- Tactical and Industrial UAV
- Smart Munitions
| Parameter | Test conditions | Typical value | Unit |
|---|
Angular velocity
| Range| Turntable| 500| °/s
Peak-to-peak value| Static test| 0.15| °/s
Zero bias| Stability| 10 s average, + 70 ℃, +20 ℃, -40 ℃| 8| °/h
Allan variance, + 20 ℃| 1.9| °/h
Startrepeatability| +70℃、+20℃、-40℃| 15| °/h
Zero-bias total temperaturevariation| -40 ℃ ~ + 70 ℃, 1 ℃/min, 10 s average,
1σ| 0.02| °/s
Zero bias| Life-cycle change, accelerated testing| 0.1| °/s
Scale| Repeatability of| +70℃、+20℃、-40℃| 100| ppm
Parameter| Test conditions| Typical value| Unit|
| factor| successivestarts| | | |
Daily startrepeatability| +70℃、+20℃、-40℃| 200| ppm|
Monthly StartRepeatability| +70℃、+20℃、-40℃| 400| ppm|
Non-linearity| +20℃| 200| ppm|
Full temperature change| 1℃/min、1σ| 400| ppm|
Scale factor| Life-cycle change, accelerated testing| 2000| ppm|
Acceleration sensitiveterm| | 5| °/h/g|
Random walk| | 0.12| °/√hr|
Noise density| | 0.002| °/s/√Hz|
Bandwidth| 3dB| 200| Hz|
Data delay| Excluding transmissiontime| 5ms| ms|
Start time| Time from power up tooutput valid data| 500| ms|
Reset time
| Time from reset tooutput valid data (hard reset)| 500| ms|
Time from reset to output valid data (softreset)| 300| ms|
The degree of no nor thogonality between any two ax| +70℃、+20℃、-40℃| 0.05| °|
Power supply| | 5±0.1| V|
Power consumption| | 0.8| W|
Communication update rate| 1-way RS422| 200 (default)2000 (Max)| Hz|
Communication baud rate| 1-way RS422| 230.4 (default)921.6 (Max)| kbps|
Electrical interface
BS-GU30B-5-D3EC adopts 6PIN domestic connector with locking function for
interconnection. The schematic diagram of interface definition is shown in the
figure below, and the pin definition and specific functions are shown in the
table below.
| Serial number | Name | Functional description | IO attribute |
|---|---|---|---|
| 1 | +5V | Power input + 5V ± 0.5V, peak current ≤ 100 mA, | Input |
| 2 | GND | Power ground | Ground |
| 3 | UART-TX | Communication serial port output, LVTTL3.3 | Output |
| 4 | UART-RX | Communication serial port input, LVTTL3.3 | Input |
Fabric interface
The BS-GU30B-5-D3EC has overall dimensions of 22.4mm X 24mm X 9mm (± 0.2mm)
and a weight of 10g ± 2g.
Instructions for use
UART reads and writes data
Interface
Default configuration: 230400bps, 8 data bits, 1stop bit, no parity;
Configuration commands
-
GPENB
Enable UART power-on automatic output -
GPDIS
Close UART power-on automatic output -
GPSER
View the serial number -
GPINF
View configuration information
Protocol format
It is divided into protocol head, protocol body and protocol tail; 200 Hz; the
coordinate axis is defined as front right bottom.
Table 3 Software protocol table
| Agree ment | Byte sequenc enumber | Data | Unit | Data type | Remark |
|---|---|---|---|---|---|
| Protocol header | 0 | 0x5a | |||
| 1 | 0x5a | ||||
| Protoc ol body | 2~5 | X-axis gyro | °/s | float | |
| 6~9 | Y-axis gyro | °/s | float | ||
| 10~13 | Z-axis gyro | °/s | float | ||
| 14~17 | Spare | ||||
| 18~21 | Spare | ||||
| 22~25 | Spare | ||||
| 26~29 | Spare | ||||
| 30~33 | Spare | ||||
| 34~37 | Spare | ||||
| 38~41 | Spare | ||||
| 42~45 | Spare | ||||
| 46~49 | Temperatur e | ℃ | float | ||
| 50~53 | Spare | ||||
| 54~57 | Spare | ||||
| End of agreement | 58 | Checksum | Accumulate and sum 2 to 57 bytes, take the |
lowbyte
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