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Compact And Lightweight TDF42IMU0 Fiber Optic Inertial Unit with Low Power Consumption and High Accuracy
Key Attributes
Brand Name:
NAVI OPTICS
Model Number:
TDF42IMU0
Place of Origin:
China
Payment Terms:
,L/C,T/T
Standard Packaging:
carton box
Product Summary
TDF42IMU0 Fiber Optic Inertial Unit The TDF42IMU0 fiber optic inertial unit offers compact size, lightweight construction, low power consumption, and high precision performance. Designed for demanding applications with significant impact and vibration, this unit is ideal for small, high-precision ...
Product Custom Attributes
Highlight
Compact And Lightweight Fiber Optic Inertial Unit
,Low Power Consumption Inertial Measurement Unit
,High Accuracy IMU
Product Description
TDF42IMU0 Fiber Optic Inertial Unit
The TDF42IMU0 fiber optic inertial unit offers compact size, lightweight construction, low power consumption, and high precision performance. Designed for demanding applications with significant impact and vibration, this unit is ideal for small, high-precision inertial measurement in torpedo systems, land/airborne weapons, missile platforms, and other dynamic motion measurement scenarios.
Key Features
- Compact dimensions: 115 * 94 * 50 mm (±1mm tolerance)
- Lightweight construction: ≤ 0.85kg
- Low power consumption: ≤12W stable operation
- High precision fiber optic gyroscope and accelerometer
- Robust environmental performance: -40℃ to 60℃ operation
- Dual RS422 communication interfaces
- 100Mbps Ethernet connectivity
Performance Specifications
Gyroscope Performance
| Parameter | Specification | Value |
|---|---|---|
| Zero Bias Stability (100s) | Zero bias stability | 0.05°/h |
| Zero Bias Stability (10s) | Zero bias stability | 0.1°/h |
| Variable Temperature Zero Bias | Stability | 0.1°/h |
| Scale Factor | Full temperature scale factor | ≤200ppm |
| Random Walk Coefficient | Other indicators | 0.01°/h |
| Input Range | Angular rate measurement | 400°/s |
Accelerometer Performance
| Parameter | Specification | Value |
|---|---|---|
| Deviation Monthly Error | Deviation comprehensive error | 50μg |
| Zero Bias Temperature Sensitivity | Zero bias indicator | 50μg/℃ |
| Scale Factor Monthly Error | Scale factor comprehensive error | 50ppm |
| Scale Factor Temperature Sensitivity | Scale factor temperature sensitivity | 50ppm/℃ |
| Input Range | Acceleration measurement | ±20g |
Environmental & Electrical Specifications
Operating Temperature: -40℃ to 60℃
Storage Temperature: -45℃ to 70℃
Power Supply: 18-36V DC
Stable Power Consumption: ≤12W
Startup Power Consumption: ≤25W
Electrical Interfaces
External electrical interfaces include power interface, RS422 communication interface, and 100Mbps Ethernet interface. Socket model: J30JM-25ZKP43, matching plug model: J30J-25TJL.
| Pin | Connectivity | Signal Name | Signal Characteristics |
|---|---|---|---|
| 1,14 | External power supply | PCS power supply positive | 24V |
| 2,15 | PCS power supply ground | Power Ground | - |
| 10 | 200Hz signal output | IMU_TX1+ | IMU data output positive |
| 9 | 200Hz signal output | IMU_TX1- | IMU data output negative |
| 7 | Synchronization signal | IMU_SYN+ | IMU synchronization signal positive |
| 6 | Synchronization signal | IMU_SYN- | IMU synchronization signal negative |
Communication Protocol
RS422 serial port 1 outputs three channels of angle increment information, three channels of speed increment information, IO count information, and temperature information at 200Hz data frequency. RS422 serial port 2 outputs time synchronization signals with precise timing characteristics.
Output Data Protocol
Baud Rate: 460800bps
Output Format: RS422, 1 start bit, 1 stop bit, 8 data bits, no checksum
Data Frequency: 200Hz
| SN | Meaning | Data Type | Length | Description |
|---|---|---|---|---|
| 1-4 | Packet Header | unsigned int | 4 bytes | 0x55,0x55,0x55,0x55 |
| 5-8 | Packet Count | unsigned int | 4 bytes | IMU internal count value |
| 9-12 | X Gyroscope Data | Single precision floating point | 4 bytes | Angle increment (degrees) |
| 13-16 | Y Gyroscope Data | Single precision floating point | 4 bytes | Angle increment (degrees) |
| 17-20 | Z Gyroscope Data | Single precision floating point | 4 bytes | Angle increment (degrees) |
| 21-24 | X Accelerometer Data | Single precision floating point | 4 bytes | Speed increment (m/s) |
| 25-28 | Y Accelerometer Data | Single precision floating point | 4 bytes | Speed increment (m/s) |
| 29-32 | Z Accelerometer Data | Single precision floating point | 4 bytes | Speed increment (m/s) |
| 33-34 | X Accelerometer Temperature | unsigned int | 2 bytes | Temperature measurement |
| 35 | IO1 Pulse Counting | unsigned int | 1 byte | - |
| 36 | IO2 Pulse Counting | unsigned int | 1 byte | - |
| 37 | Sign Position | unsigned int | 1 byte | - |
| 38 | Checksum | unsigned int | 1 byte | Sum of bytes 1-37 |
Note: X, Y, and Z-axis gyroscope data represent angle increments measured in degrees. X, Y, and Z-axis accelerometer data represent speed increments measured in meters per second. Temperature units: degrees, calculated as positive=(D33+D34*256)*0.01, negative=(D33+D34*256-65536)*0.01.
Physical Dimensions
Dimensions: 115 * 94 * 50 mm (±1mm tolerance, excluding connectors)
Weight: ≤ 0.85kg
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