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Small Size High-Precision TDF61IMU0 Fiber Optic Inertial Unit with Low Power Consumption for Land and Airborne Weapon Platforms
Key Attributes
Brand Name:
NAVI OPTICS
Model Number:
TDF61IMU0
Place of Origin:
China
Minimum Order Quantity:
one set
Payment Terms:
L/C,T/T
Standard Packaging:
carton box
Product Summary
TDF61IMU0: Compact fiber optic IMU with 0.03°/h gyro stability & ±20g accelerometer range. Low power (≤15W), -40℃ to 60℃ operation. Ideal for land/airborne weapon platforms requiring high precision in minimal space.
Product Custom Attributes
Highlight
small size fiber optic inertial unit
,high-precision IMU for weapon platforms
,airborne inertial measurement unit with warranty
Product Description
Small Size and High-Precision TDF61IMU0 Fiber Optic Inertial Unit
Designed for consumption in land and airborne weapon platforms, featuring compact dimensions and exceptional accuracy.
Product Overview
Fiber optic inertial units offer significant advantages including small size, light weight, low power consumption, and high accuracy. These units support pure strapdown, single axis, and dual axis modulation inertial configurations, making them ideal for new unmanned platforms, water/torpedo weapons, and land/airborne weapon platforms requiring compact, high-precision inertial measurement equipment with dynamic angular and linear motion measurement capabilities.
Performance Specifications
Gyroscope Performance Indicators
| Parameter | Specification | Value | Notes |
|---|---|---|---|
| Zero Bias Stability (100s) | Zero bias stability | 0.03°/h | |
| Zero Bias Stability (10s) | Zero bias stability | 0.05°/h | |
| Variable Temperature Zero Bias | Zero bias stability | 0.1°/h | |
| Scale Factor | Full temperature scale factor | ≤150ppm | |
| Random Walk Coefficient | Other indicators | 0.003°/√h | |
| Input Range | Input range | 600°/s |
Accelerometer Performance Indicators
| Parameter | Specification | Value | Notes |
|---|---|---|---|
| Deviation Monthly Comprehensive Error | Deviation index | 50μg | |
| Zero Bias Temperature Sensitivity | Zero bias indicator | 50μg/℃ | |
| Scale Factor Monthly Comprehensive Error | Scale factor | 50ppm | |
| Scale Factor Temperature Sensitivity | Scale factor | 50ppm/℃ | |
| Input Range | Range indicator | ±20g |
Whole Machine Characteristics
| Parameter | Specification | Value | Notes |
|---|---|---|---|
| Operation Temperature | Environmental performance | -40℃～60℃ | |
| Storage Temperature | Environmental performance | -45℃～70℃ | |
| Power Supply | General requirements | 18～36V(DC) | |
| Stable Power Consumption | General requirements | ≤15W | 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 | External power supply | 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 (raw observation values without interpolation are compensated for errors)
- RS422 serial port 2 outputs time synchronization signal at sampling time 1 (valid rising edge representing inertial sensor sampling time)
- RS422 differential signal with pulse width of 10 ± 2μs
- Sampling signal interval of 5ms ± 20μs
- Rising edge and falling edge level establishment time not exceeding 100ns
- Serial port 1 data transmission occurs 50μs after rising edge emission
Output Data Protocol
- Baud rate: 460800bps
- Output format: RS422, 1-bit start bit, 1-bit stop bit, 8-bit data bit, no checksum
- Data frequency: 200Hz
- All undefined bits are filled with 0 by default
- When transmitting multiple bytes, low byte comes first and high byte comes last
| Byte Number | 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 | linear measure |
| 12-16 | Y gyroscope data | Single precision floating point | 4 bytes | linear measure |
| 16-20 | Z gyroscope data | Single precision floating point | 4 bytes | linear measure |
| 21-24 | X accelerometer data | Single precision floating point | 4 bytes | M/S |
| 25-28 | Y accelerometer data | Single precision floating point | 4 bytes | M/S |
| 29-32 | Z accelerometer data | Single precision floating point | 4 bytes | M/S |
| 33-34 | X accelerometer temperature | Unsigned int | 2 bytes | linear measure |
| 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 1-37 bytes |
Note: X, Y-axis and Z-axis gyroscope data are angle increments, measured in degrees. X, Y and Z axis data is speed increment, measured in meters per second. Temperature unit: degrees, positive=(D33+D34 * 256) * 0.01, negative=(D33+D34 * 256-65536) * 0.01.
Dimensions
Dimensions: 110mm * 110mm * 100mm (± 1mm, excluding connectors)
Installation size: 102mm * 102mm
Installation aperture: 4- Φ 4.3mm
Weight: ≤ 1.7kg
Installation size: 102mm * 102mm
Installation aperture: 4- Φ 4.3mm
Weight: ≤ 1.7kg
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