INELSO FU24-5-D1EC Micro-nano Fiber Optic Gyroscope User Manual
- June 12, 2024
- INELSO
Table of Contents
- Scope
- References and Standards
- Definitions
- Product introduction
- Installation of the product
- Product maintenance
- Common fault phenomena and troubleshooting methods
- Transportation and storage requirements of products
- Unpacking and inspection
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
BS-FU24-5D1EC
Micro-nano fiber optic gyroscope
Use and maintenance instructions
Scope
This document specifies the requirements and methods for the use and maintenance of BS-FU24-5-D1EC micro-nano fiber optic gyroscope (product for short).
References and Standards
| GJB1649-1993 | ESD Control Program for Electronic Products |
|---|
Definitions
None.
Product introduction
4.1 Product Overview
BS-FU24-5-D1EC micro-nano fiber optic gyroscope (hereinafter referred to as
this product) is an angular rate sensor integrating optics with digital
output, mechanics and electronics. It is based on the Sagnac effect,
integrates a variety of micro-nano fiber devices, and realizes the detection
process by detecting, processing and feeding back the phase difference
generated by two beams of light propagating in opposite directions.
This product is mainly composed of optical path components, circuit components
and structural components. It has the characteristics of simple structure, no
moving parts, no wear parts, fast start, small size, light weight and so on.
And can be apply to that attitude control and measurement of the carrier.
4.2 Composition
The product is mainly composed of the following components:
A) an optical path assembly;
B) Detection and control signal circuit board;
C) Optical fiber ring skeleton, shell and other structural parts;
4.3 Appearance and dimension
The product is cylindrical, with overall dimensions of φ24 mm × 40mm
4.4 Weight
≤40g。
4.5 Operating temperature
-40℃~+65℃。
4.6 Storage temperature
-55℃~+85℃。
4.7 Random vibration
Random vibration level: 20g, frequency range: 20Hz ~ 2000Hz.
4.8 Main performance parameters
Table 1 Main Performance Parameters
| Items | BS-FU24-5-D1EC | Unit |
|---|---|---|
| Output Signal | RS422 | |
| Connector | Welding plate | |
| Axis | 1 | |
| Consumption | ≤1.5 | w |
| Power Supply | 5(±0.15) | V |
| Random walk | ≤0.04 | °/√h(1σ) |
| Range | ≥500 | °/ s |
| Bias （10s,1σ) | ≤1.5 | °/h |
| Bias （Allan) | ≤0.4 | °/h |
| Bias repeatability(Allan) | ≤0.4 | °/h |
| Scale Factor | 3600 | (LSB/o /s) |
| Scale factor Non-linearity | ≤300 | PPM(1σ) |
| Start up time | ≤1 | s |
| Bandwidth | 300 | Hz |
| Working Temp. | -45~+70 | ℃ |
| Store Temp. | -55~+85 | ℃ |
| Vibration | 20~2000,0.04 | Hz,g²/Hz |
| Dimensions | Φ24*40 | mm |
| Weight | ≤30 | g |
4.9 Mechanical and electrical interfaces
4.9.1 Mechanical interface
The bottom surface of the product is the mounting surface, with 3 M3 threads
and external mechanical connection.
4.9.2 Power Requirements
The external power supply to the product has two circuits, and the
requirements are shown in Table 2:
Table 2 External Power Supply Requirements
| +5V
---|---
Voltage| 4.85V~5.15V
Ripple| 20mV
Electric current| 0.25A
4.9.3 Electrical interface
The BS-FU24-5-D1EC micro-nano fiber optic gyroscope is electrically connected
to the outside through the bonding pad, as shown in the figure. See Table 3
for the definition of the bonding pad.
Table 3 Node Definition
| Number | Definition |
|---|---|
| 1 | 5V |
| 2 | GND |
| 3 | RS422 T- |
| 4 | RS422 T+ |
| 5 | RS422 R+ |
| 6 | RS422 R- |
Take anti-static measures every time you connect or touch the plug terminal of
the product.
4.9.4 Communication protocol
RS422 serial communication
Baud rate: 921 600
Data length: 8 bits
Check: even check
Start bit: 1b it
Stop bit: 1 bit
Data update rate: 2000 Hz
Each packet contains 10 bytes
B1, B2 frame header (0x80, 0x80).
B3 to B6 are gyro outputs, 28 bits in total, represented by 2’s complement,
the first bit of each byte is 0, and D27-D21/D20-D14/D13-D7/D6-D0 are stored
in B3/B4/B5/B6 bytes respectively.
B7 and B8 are temperature signals, 14 bits in total, represented by twos
complement, and the first bit of each byte is 0. D13-D7/D6-D0 are stored in B7
and B8 respectively.
Temperature = yard value (0.0625
B9 reserved bytes.
B10 checksum, equal to the sum of B3-B9 bytes.
| High| | | | | | | Low
---|---|---|---|---|---|---|---|---
Byte1| 1| 0| 0| 0| 0| 0| 0| 0
Byte2| 1| 0| 0| 0| 0| 0| 0| 0
Byte3| 0| D27| D26| D25| D24| D23| D22| D21
Byte4| 0| D20| D19| D18| D17| D16| D15| D14
Byte5| 0| D13| D12| D11| D10| D9| D8| D7
Byte6| 0| D6| D5| D4| D3| D2| D1| D0
Byte7| 0| T13| T12| T11| T10| T9| T8| T7
Byte8| 0| T6| T5| T4| T3| T2| T1| T0
Byte9| 0| 0| 0| 0| 0| 0| 0| 0
Byte10| X| X| X| X| X| X| X| X
Installation of the product
5.1 Installation requirements
The user shall be responsible for the installation and disassembly of the
product. During this process, the product shall not be impacted, and the outer
surface of the product shall not be machined.
5.2 Inspection before installation
A) Check the appearance of the product for physical damage such as collision;
5.3 Inspection after installation
Check whether each mounting screw is secure.
Product maintenance
A) Before the product is loaded into the carrier, it is required to electrify
the product at least once a year for 3600s, and it is not required to detect
the electrical parameters of the product when electrifying;
B) After the product is loaded into the carrier, it is required to electrify
the product at least once a year for 3600 s, and it is not required to detect
the electrical parameters of the product when electrifying;
Common fault phenomena and troubleshooting methods
This product is in a fully sealed state, and cannot be repaired on site after
any failure of the user, and needs to be returned to the production unit for
maintenance. The following only lists some fault phenomena that may occur
other than the product itself, see Table 5. If other technical problems occur
during the use of the product, please contact the product manufacturer.
Table 5 Common Faults and Troubleshooting
Serial number| Fault symptom| Cause analysis| Exclusion
method
---|---|---|---
1| When the product is powered on, the current indication of the + 5V ammeter
is basically 0| The product is not supplied with power or the power supply
current is too small| Check the power supply and power supply circuit, and
restore the power supply of the product
2| When the product is powered on, the current indication of the + 5V ammeter
is normal, but the computer acquisition program does not work.| Abnormal
acquisition system of test equipment| Check the connection cable and equipment
power
supply
3| The product is powered on, and the current indication of the + 5V ammeter
is abnormal| There may be a short circuit inside the test equipment| Check the
test equipment
Transportation and storage requirements of products
8.1 Transportation precautions
A) Place the product in the direction shown in the packing box;
B) When the temperature range is -40 ℃ ~ + 65 ℃, it is allowed to transport by
road, railway, air and water;
C) Ensure that the packing case is fastened to the carrier and will not move
during transportation.
8.2 Storage precautions
A) The products placed in the packing box shall be stored in the air-
conditioned warehouse under the standard atmospheric pressure, and the ambient
temperature is 15 ℃ ~ 35 ℃;
B) The storage life of the product is 15 years.
Unpacking and inspection
9.1 Unpacking inspection
A) Check the appearance of the packing case for physical damage such as
collision;
B) Electrostatic protection shall be carried out when the product is taken
out.
9.2 Inspection of supporting delivery documents
A) Product certificate;
B) Acceptance report of BS-FU24-5-D1EC micro-nano fiber optic gyroscope;
C) Instructions for use and maintenance of BS-FU24-5-D1EC micro-nano fiber
optic gyroscope (one copy for each batch).