MEMS Triaxial North Seeker for Mining

ER-MNS-09(0.25°-1°):
1. Special-shaped design: adopts a cylindrical design (120mm x Φ30mm);
2. High precision pointing: with a north-seeking accuracy up to 0.25°secψ(1σ);
3. Low power consumption, MAX endurance.

MEMS Triaxial North Seeker for Mining

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    Introduction

    ER-MNS-09 MEMS Triaxial North Seeker for Mining

    Introduction
    With the rapid development of science and technology, MEMS North Seeker is increasingly widely used in the fields of oil and mining, injecting new vitality into this traditional industry. This is a high-performance product specially designed for oil drilling, mining and other fields. Based on three-axis integrated MEMS gyro and three-axis accelerometer, ER-MNS-09 north finder can complete the initial alignment, attitude holding functions, and real-time output of carrier attitude reference values.

    Features
    1) Special-shaped design: adopts a cylindrical design (120mm x Φ30mm);
    2) High precision pointing: with a north-seeking accuracy up to 0.25°secψ (1σ);
    3) Low power consumption, MAX endurance;
    4) Self-alignment function;
    5) Attitude tracking function;
    6) RS-422 serial communication.

    Applications
    1) North seeking in logging tools/gyros;
    2) Pointing, steering and steering of advanced mining/drilling equipment;
    3) Initial alignment /drone launch system;
    4) Satellite antenna direction indication and target tracking system;
    5) Guidance and navigation of navigation-level MEMS systems;
    6) Orientating and positioning of railway train systems;
    7) Precision platform attitude measurement and control;
    8) Navigation-grade MEMS INS high-precision attitude and position measurement;
    9) North seeking positioning in land surveying/land mobile surveying and mapping systems.

    Figure 1. ER-MNS-09 north seeker coordinate polarity definition (front view)

    The coordinate axis definition of ER-MNS-09 north seeker is shown in Figure 1.
    The positive direction of the X-axis is along the direction of the system connector. When the system is installed through the four mounting flanges on the bottom, the Z-axis defines the upward direction. X, Y, and Z form a Cartesian orthogonal coordinate system.
    The system output pitch angle/inclination angle indicates: the angle between the positive direction of the Y-axis and the horizontal plane, upward is positive.

    Specifications

    Model No. ER-MNS-09A ER-MNS-09B ER-MNS-09C
    Performance objective Parameter
    Azimuth accuracy (1σ,°secψ) 1 0.5 0.25
    Attitude accuracy(1σ,°) ≤0.2
    Azimuth holding accuracy 20min
    Attitude holding accuracy 20min
    Azimuth measurement range (°) 0~360
    Inclination angle measurement range (°) -85~85
    North seeking time 5min
    North seeking method static base
    Update Rate (Hz) 100
    Power and environment
    Operating temperature (℃) 5~+55
    Storage temperature (℃) 0~+65
    Power supply (V) 6~12V
    Power (W) 2
    Communication interface RS-422
    Physical characteristics
    Size (mm×mm) 120mm x Φ30mm
    Weight (g) ≤150g

    Wiring Definition

    Connect Type Pin Definition
    J30J-15ZKP 1 6~12V
    3 GND
    6 Tx+
    7 Tx-
    8 Rx+
    9 Rx-

    Dimension 

    Dimensional Drawing Of North Seeking Mems North seeker For Gyro Tools


    Application Techniques

    1.Analyze the Software Design of North Finder

    2.Technical Analysis of FOG North Finder in Improving Accuracy

    3.Error Analysis and Compensation Technology of North Seeker

    4.Research on Signal Acquisition of Strap-down North Seeker

    5.Do You Know Excellent Performance of MEMS North Finder ER-MNS-05?

    6.How to Use Acquisition Software of MEMS North Seeker?


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