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High Performance Optical Gyro Rs422 Close Loop Single Axis High Stability

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High Performance Optical Gyro Rs422 Close Loop Single Axis High Stability
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Features
Specifications
Measuring Range: -300°/s~+300°/s
Zero-bias Repeatability: <=0.3°/h
Zero-bias Stability: <=0.2°/h
Bandwidth: >200Hz
Initialization Time: <5S
Communication Mode: RS422
Operating Temperature: -45℃~+60℃
Storage Temperature: -55℃~+75℃
High Light:

high performance optical gyro

,

high stability optical gyro

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rs422 optical gyroscope

Basic Infomation
Place of Origin: CHINA
Brand Name: AVIC
Model Number: F50B
Payment & Shipping Terms
Packaging Details: Sponge+ box
Delivery Time: 30 DAYS
Payment Terms: T/T
Supply Ability: 200/MONTH
Product Description

High-Performance RS422 Close Loop Single Axis Fiber Gyro High Stability​

 

Communication

When the standard RS-422 serial communication interface is used, the protocol can be adjusted as required.

Hardware interface: the baud rate is 614.4kbps. The communication format is 11 bits of data per frame, including 1start bit, 8 data bits, 1 even parity bit and 1stop bit. The data update period is 0.5ms.

Software communication protocol:

Gyro valid data is 32 bits (32-bit signed integer). The data packet transmits 7 bytes of data in total: the first byte is the frame header 80H; Bytes 2 to 6 are gyro data; The 7th byte is a check bit (the check bit is an exclusive or value of the data of the 2nd to 6th bytes).

Data format:

The first byte (frame header) is 80H:

 

1 0 0 0 0 0 0 0
 

The second byte is gyro data D6 ~ D0:

0 D6 D5 D4 D3 D2 D1 D0
 

The third byte is gyro data D13 to D7:

0 D13 D12 D11 D10 D9 D8 D7
 

The fourth byte is gyro data D20 ~ D14:

0 D20 D19 D18 D17 D16 D15 D14
 

The 5th byte is gyro data D27 ~ D21:

0 D27 D26 D25 D24 D23 D22 D21
 

The 6th byte is gyro data D31 ~ D28:

0 0 0 0 D31 D30 D29 D28
 

The 7th byte (check bit) is the exclusive or (XOR) of the 2nd to 6th bytes of data.

 

Performance index:

1 Scale factor

Non-linearity of scale factor at room temperature: < 100 ppm

Normal temperature scale factor repeatability: < 100 ppm (1σ).

2 Zero-bias stability

Zero-bias stability at room temperature:

F50A: < 0.1 °/H (1σ) 10s smooth 1H test result

F50 B: < 0.2 °/H (1σ) 10s smooth 1H test result

3 Zero-bias repeatability

Normal-temperature zero-bias repeatability:

F50A: < 0.2 °/H (1σ) 6 test data calculation

F50 B: < 0.3 °/H (1σ) 6 test data calculation

Full temperature operating range:

F50A: < 0.5 °/H (full temperature extreme difference)

F50 B: < 0.6 °/H (full temperature limit difference)

 

4 Random walk

Less than 0.02 °/

5 Bandwidth

Greater than 200Hz

6 Initialization time

Less than 5S

7 Dynamic Range

±300°/s

 

Electrical interface:

1 Gyro socket model

Model of external interface socket of gyroscope: J30-15ZK, connecting line: 0.12 mm AFR line, line length: 250 mm.

2 Wiring definition table

 

Pin number Definition Explain Remark
1,9 T+ Serial port output RS422 +  
2,10 T- Serial port output RS422-  
4,5 +5VA Analog supply + 5V  
6,7 AGND Analog power ground  
8,15 -5VA Analog power supply -5V  
12,13 VCC Digital supply + 5/+ 3.3V  
11,14 GND Digital power ground  

 

Power requirements:

+ 5V A: + 5V ± 5%, 0.4A (transient peak about 1.5A), ripple less than 50mV

-5V A: -5V ± 5%, 100mA, ripple less than 50mV

VCC: + 5V ± 10% or + 3.3 V ± 10%,

Note: GND and AGND shall not be connected to the gyro housing.

 

 

 

 Environmental adaptability:

3.1 Operating temperature

-45℃~+60℃

3.2 Storage temperature

-55℃~+75℃.

Impact

100g (11 ms), 3 times in a row, in three directions. Mean change of zero deviation before and after impact ≤ 0.5 °/H.

Vibration

(A) Randomly swept spectral lines:

20~80Hz :3dB/oct

80~350 Hz :0.04High Performance Optical Gyro Rs422 Close Loop Single Axis High Stability 0/Hz

350~2000Hz :-3dB/oct

(B) 3 minutes for each of the three directions, the gyroscope is in the working state during the vibration test, and the mean change of zero deviation before, during and after the vibration is ≤ 0.5 °/H.

 

 

Dimension

 

 

 

High Performance Optical Gyro Rs422 Close Loop Single Axis High Stability 1

 


F50B-ENG(1).pdf

 

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