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Excerpt


Overview

  • Mounting Holes
  • I/O Connector Identification
  • RF Connector Identification

Table of Content :

Table of Contents

General Data

Specifications

Product Mechanical specifications


ItemSpecifications
Dimensions

Weight


Enclosure Materials
Surface Treatments
Mounting Holes
Alignement Holes
  • Figure ( Gliffy Diagram :  Product_Mechanical_Dimensions ) : showing
    • 2D drawing extracts
      • External dimensions
      • Mounting Holes
      • Location of connectors

Drawings

Preview ( PDF file :  Product_Mechanical_Drawing ) : showing
Data
  • Housing Materials
  • Finish/Surface Treament
  • Dimensions
  • Tolerances
    • IMU center of measurement
    • Mark
    • IMU center of measurement is location at X/Y center frame symbol, Right handed coordinate system
    Details Views
  • Internal Fastening solution
    • Thread Locker : Loctite
    • Screw Staked with: Hysol/Loctite EA - 0151
    • Mountning Hole Details ViewAlignment / Locating holesHole on primary connetor side is circular. (Detail B)Hole on auxiliary connector side is oval shape. (Detail C)Recommended Locating/dowel pins : 3mmMounting HolesRecommended mounting fasteners : ( M3 x 0.5 x 6-8mm [4-40 x 1/4] SOHC )Grounding PointsLocationsDimensionsFinishPassivated : SURTEC 650, ALODINE 1132...AnodizedColorThicknessComments
  • Anodization has been milled off the bottom surface of the four feet.
    • Electrical resistivity of primary or auxiliary connector housing to surface of feet is less than 2.5 mOhm
  • Connector Details Views
    • Identification / Naming
    • Notch / Pin Index location
    • Pin arrangement & numbering
  • Sensitive Components
    • Type of component : Magnetometer
    • Location
    • Keepout areas


    • Sensor Cordinate System

    Directions of sensors axes

    The inertial frame is defined as a standard right-handed North, East, Down (NED) frame (X,Y,Z) as represented in the picture.

    According to the “Right Hand Rule”, the rotations are positive clockwise in the axis direction as represented in the drawing below.

    Origin of measurements

    Because the QUANTA-Micro integrates several MEMS accelerometers, it integrates a built-in size effect compensation and as a result a ‘virtual’ reference point has been chosen to define the Origin of Measurements Point.

    The origin of measurements, is the point where the inertial frame, as defined by the accelerometers triad, intersect. 

    The Origin of Measurement Point is represented by the red target on the drawings below.


    Mechanical Drawing

    All dimensions are expressed in millimeters using the International System of Units (SI) conventions


    • Figure : Sensor Coordinate Frame + IMU Center of Measurement
      • 3D ISO View
      • X/Y/Z Coordinate Frame
      • Top View, Center of Measurement
      • Bottom View Center of Measurement

    CAD Models

    • .STEP files : Product
      • External Shape / Skin of the product without internal details


    Onboard connectors

    AM2D-127-40-4.0-3.0-G-CMS-H25
    Connector Id.ManufacturerManufacturer P/NDescriptionMax. Mating CyclesResourcesMAINANTELEC





    		Connector, Male, Vertical, 40 cts, 1.27mm pitch, SMD500
    • Datasheet
    • Footprint
    		EXTNICOMATIC
    		201Y8LConnector, CMM 200 Series, Male Connector, 8 cts, 2.2A, 2mm pitch, TH500
    • Datasheet
    • Footprint
    A1, A2AMPHENOLA-1JBConnector, U.FL (UMCC), Jack, Vertical, 50ohm, SMD30
    • Datasheet
    • Footprint

    Note : SBG-SYSTEMS could use other connectors while maintaining the correct match with the corresponding connectors listed below.


    Mounting

    Minimum Fastening Requirements

    Mounting HolesThread SizeThead Length*QtyØ 2.6 +/- 0.1 mmM2> 5 mm4

    Recommendations

    StandardDescriptionHead BitDIN 912Thread SizeTorqueThread LockerBlocking ResinM2< 0.3 N.m

    Recommended

    Can be used

    Mounting solutions :

    The product is designed to mount directly to a printed circuit board (PCB).

    There are two recommended ways in which the product can be secured to the PCB :

      • The first method uses board mounted threaded standoffs
      • The second method uses common components


    Board mounted threaded standoffs method

    • Figure ( Gliffy Diagram :  Product_Mechanical_Integration_Solution-#1 ) : showing
      • Mounting view : product on base plate / PCB

    Spacer and Nuts method

    • Figure ( Gliffy Diagram :  Product_Mechanical_Integration_Solution-#2 ) : showing
      • Mounting view : product on base plate / PCB

    Sensor Cordinate System

    Sensor Coordinate Frame

    Figure : Sensor Coordinate Frame3D ISO ViewX/Y/Z Coordinate FrameIMU Center of Measurement
    • Figure : IMU Center of Measurement
      • Top View, Center of MeasurementBottom View Center of Measurement