Model XB335 High Accury 3 Axis 0.5 °/Hr Fiber Optic Binocular Mechanical Gyroscope With 0.5 °/hr Bias Drift

Brand Name:THUNDSEA
Certification:CCS
Model Number:XB335
Place of Origin:China
Drawtube:Binocular
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Product Details

Model XB335 High Accury There-axis Fiber Optic Gyroscope With 0.5 °/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:126.9 ± 0.1 mm ×112.4 ± 0.1 mm × 70 ± 0.1 mm,

Installation dimensions:85 ± 0.1 mm × 85 ± 0.1 mm,

1.4 Weight

1100g±50g

Including cable, connector, assembly screw, light source board, gyro control circuit, platform body and other accessories directly attached to the gyro.

1.5 Performance parameters


ProjectPerformance indicators

Standby time

(s)

≤5
Warm up time
(min)
≤1
Range of measured angular rate
(°/s)
±400
Absolute value of zero deviation
(normal,°/h)
≤10.0
Bias Drift at fixed temperature
(10s,1σ)
≤0.5
Bias Drift at full temperature
range from -40℃ till 60℃
(10s,1σ)
≤3.0

Total temperature zero deviation

(°/h)

≤10.0
Bias Drift Repeatability at full
temperature range from-40℃ till 60℃
(°/h)(1σ)
≤0.5

Random walk

(°/h)

≤0.05
Scale factor asymmetry
(ppm)
≤200

Scale Factor Non-linearity at full temperature

range from -40℃ till 60℃

(ppm)

≤150

Scale Factor Repeatability at full temperature

rangge from -40℃ till 60℃

(ppm)(1σ)

≤200

The total temperature scale factor is

extremely poor

(ppm)

≤200

The threshold value

(°/h)

≤0.5

Resolution

(°/h)

≤0.5

Bandwidth

(Hz)

≥200

Zero bias sensitivity

(°/h/Gs)

≤0.2

Zero bias temperature sensitivity

(°/h/℃)

≤0.05
Scale factor nominal value0.2"/pulse

Scale factor temperature sensitivity

(ppm/℃)

≤50
Error angle of input axis(absolute value)30'
Input shaft misalignment Angle repeatability5"

1.6 Mechanical and electrical interface relationship


1.6.1 Mechanical interface


The mounting surface of the product constitutes the fixed surface for external installation. The mounting screw is M6.


1.6.2 Power requirements


XB335 high precision fiber optic gyro is powered by 5V dc power supply


NameRequirement
Control panel +5VPower consumption>5WThe steady state current≤0.8AThe transient current≤0.7A
Control panel -5VPower consumption>3WThe steady state current ≤0.5AThe transient current≤0.5A
The ligght source +5VThe steady state current≤2AThe transient current≤0.3A
The power supply ripple≤50mV Vpp

Steady state power consumption

of the gyroscope

<7.5W
Maximun gyro power consumption<10W

1.6.3 Electrical connection interface


The connector for external connection is J30-9ZKW-J or J30-9TJW-J.


J30-9TJW-J socket pin number definition


Pin numberThe signal nameSignal that
1GNDPower supply (Ground wire)
2GNDPower supply (Fround wire)
3GNDPower supply (Ground wire)
4empty
5empty
6+5VPower supply +5V
7+5VPower supply +5V
8+5VPower supply +5V
9empty

J30-9ZKW-J socket pin number definition


Pin numberThe signal nameSignal that
1T+RS422 output(+)
2T-RS422 output (- )
3GNDCempty
4GNDPower supply (Ground wire)
5+5VPower supply +5V
6SYNCSync signal
7+5VCempty
8GNDPower supply (Ground wire)
9-5VPower supply - 5V

China Model XB335 High Accury 3 Axis 0.5 °/Hr Fiber Optic Binocular Mechanical Gyroscope With 0.5 °/hr Bias Drift supplier

Model XB335 High Accury 3 Axis 0.5 °/Hr Fiber Optic Binocular Mechanical Gyroscope With 0.5 °/hr Bias Drift

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