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Model XB1100 High Accury Single-axis Fiber Optic Gyroscope With 0.01 °/hr Bias Drift

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Model XB1100 High Accury Single-axis Fiber Optic Gyroscope With 0.01 °/hr Bias Drift

Brand Name : THUNDSEA

Model Number : XB1100

Certification : CCS

Place of Origin : China

Theory : Biological Microscope,Video Microscope,Metallurgical Microscope,Stereo Microscope

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Model XB1100 High Accury Single-axis Fiber Optic Gyroscope With 0.01 °/hr Bias Drift

1. Product introduction

1.1 Working Principle and Function

This product is an inertial angular rate sensor based on the principle of Sagnac effect, which is used to measure the angular rate movement of the carrier around the sensitive axis of this sensor. This unit takes the fiber optic coil as the angular rate sensitive unit and the closed-loop detection circuit as the basis.

Two beams from a laser are injected into the same fibre but in opposite directions. Due to the Sagnac effect, the beam travelling against the rotation experiences a slightly shorter path delay than the other beam. The resulting differential phase shift is measured through interferometry, thus translating one component of the angular velocity into a shift of the interference pattern which is measured photometrically.

Beam splitting optics launches light from a laser diode into two waves propagating in the clockwise and anticlockwise directions through a coil consisting of many turns of optical fibre. The strength of the Sagnac effect is dependent on the effective area of the closed optical path: this is not simply the geometric area of the loop but is enhanced by the number of turns in the coil.

This product is an inertial sensor composed of optical system, corresponding power supply and data processing circuit. It can provide three-axis angle increment information.

1.2 Configuration
The product is mainly composed of the following components:
a) Optical part: light source, coupler, Y modulator, fiber coil, detector;
b) Circuit part: processor board, light source board and preamplifier;
c) Structural part: body, cover, etc.

1.3 Shape and installation size:

Overall dimensions (70 ± 0.1)mm × (70±0.1) mm × (32±0.5)mm,

Installation dimensions (58 ± 0.1) mm×(58±0.1) mm,

1.4 Performance parameters

The parameter name Index requirements Note

Warm up time

(min)

≤5

Range of measured angular rate

(º/s)

≥±400

Absolute value of zero deviation

(º/h)

≤1 Remove the earth's rotational speed component

Bias Drift at fixed temperature

(º/h,100s,1σ)

≤0.01 Point temperature

Bias Drift at full temperature
range from -40° C till 60° C

(º/h,100s,1σ)

≤0.02

-40℃~+60℃,

Warming rate≤0.5℃/min

Bias Drift Repeatability at
full temperature range from
-40°C till 60° C

(º/h,1σ)

≤0.01 Point temperature

Zero bias sensitivity

(º/h/Gs)

≤0.02

Random walk

(º/h1/2)

≤0.003

Scale coefficient nonlinearity

(ppm)

≤10 Point temperature

The scale coefficients are not symmetrical

(ppm)

≤10 Point temperature

Calibration coefficient room temperature repeatability

(ppm,1σ)

≤10 Point temperature

Calibration coefficient total temperature repeatability

(ppm)

≤50 After the compensation

The threshold value

(º/h)

≤0.02

Resolution

(º/h)

≤0.01

Bandwidth

(Hz)

≥200

Random vibration

(º/h)

≤0.05 Zero deviation from the mean value before and after vibration

Impact

(º/h)

≤0.05 Zero deviation before and after impact

1.5 Mechanical and electrical interface

1.5.1 Mechanical interface

The mounting surface of the product constitutes the fixed surface for external installation, and the mounting screw is M4.

1.5.2 Power requirements

The external power supply to the product has two channels.

+5V -5V
Voltage 4.75V~5.25V -4.75V~5.25V
Ripple 20mV 20mV
Current 1.5A 0.6A

1.5.3 Electrical interface

XB1100 USES J30JZ/XN9TJCAL01 socket as output socket

Pin number Signal

The length of

lead(mm)

Physical meaning
4 T+ 250 RS422 send +
8 T- 248 RS422 send -
9 R- 246

400Hz square wave synchronous

signal low end 0V

5 R+ 244

00Hz square wave synchronous

signal high enf 3.3V

2 -5V 242 The main control board -5V,The light source constant current -5V
6 GND 240 +5V(Ground wire),-5V(Ground wire)
1 +5V 238 The main control board +5V
3 +5VG 234 The light source control +5V Power supply
7 GNDG 230 The light source control +5V(Ground wire)

Product Tags:

RS422 Microscope single axis gyro

      

0.01 °/Hr mems based gyroscope

      

0.6A sensitive gyroscope

      
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