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TDF51IMU0 Small Size High-Precision Fiber Optic Inertial Unit with Dynamic Measurement Functions for IMU Equipment
Key Attributes
Brand Name:
NAVI OPTICS
Model Number:
TDF51IMU0
Place of Origin:
China
Minimum Order Quantity:
NAVI OPTICS
Payment Terms:
L/C,T/T
Standard Packaging:
carton box
Product Summary
TDF51IMU0 Fiber Optic Inertial Unit Dynamic measurement functions for small size and high-precision inertial unit equipment designed for unmanned platforms, water/torpedo weapons, and land/airborne weapon platforms. Overview Fiber optic inertial units offer significant advantages including small ...
Product Custom Attributes
Highlight
fiber optic inertial measurement unit
,small size inertial unit
,high-precision dynamic measurement IMU
Product Description
TDF51IMU0 Fiber Optic Inertial Unit
Dynamic measurement functions for small size and high-precision inertial unit equipment designed for unmanned platforms, water/torpedo weapons, and land/airborne weapon platforms.
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 configurations, providing dynamic measurement of carrier angular and linear motion information.
Performance Specifications
Gyroscope Performance
| Parameter | Specification | Value | Notes |
|---|---|---|---|
| Zero Bias Stability (100s) | Zero bias indicator | 0.05°/h | |
| Zero Bias Stability (10s) | Zero bias indicator | 0.1°/h | |
| Variable Temperature Zero Bias | Zero bias stability | 0.1°/h | |
| Scale Factor | Full temperature scale factor | ≤200ppm | |
| Random Walk Coefficient | Other indicators | 0.008°/√h | |
| Input Range | Input range | 400°/s |
Accelerometer Performance
| Parameter | Specification | Value | Notes |
|---|---|---|---|
| Deviation Monthly Error | Deviation monthly comprehensive error | 50μg | |
| Zero Bias Temperature Sensitivity | Zero bias temperature sensitivity | 50μg/℃ | |
| Scale Factor Monthly Error | Scale factor monthly comprehensive error | 50ppm | |
| Scale Factor Temperature Sensitivity | Scale factor temperature sensitivity | 50ppm/℃ | |
| Input Range | Range indicator | ±20g |
System Characteristics
| Parameter | Specification | Value | Notes |
|---|---|---|---|
| Operating Temperature | Environmental performance | -40℃～60℃ | |
| Storage Temperature | Environmental performance | -45℃～70℃ | |
| Power Supply | General requirements | 18～36V(DC) | |
| Power Consumption | 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
- Raw observation values without interpolation are compensated for errors
- RS422 serial port 2 outputs time synchronization signal at sampling time 1 with valid rising edge
- Pulse width: 10 ± 2 μs, sampling signal interval: 5ms ± 20 μs
- Rising edge and falling edge level establishment time not exceeding 100ns
- Serial port 1 data transmission occurs 50 μs 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 | 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 1-37 bytes |
Temperature unit: degrees, positive=(D33+D34 * 256) * 0.01, negative=(D33+D34 * 256-65536) * 0.01
Dimensions
Dimensions: 98 * 96 * 90 mm (tolerance ± 1mm, excluding connectors)
Weight: ≤ 1.4kg
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