Thommen AD20 - Equipment Dimensions; Fig. 1-2 Equipment Side View

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REVUE THOMMEN AG

CH-4437 Waldenburg

AD20 Standby Altimeter

Page 16 of 72

07-Sep-2009 Document No: AD-INSOP-800 Revision: 1.6

1.1.4 Equipment Dimensions

Fig. 1-2 Equipment Side View

NOTE: The dimensions are in millimeters or inches

NOTE: Not to scale.

Main Page

Table of Contents3
Built - in9
Section I10
Introduction10
Purpose of the Manual10
Equipment Specification10
Applicable Documents10
Certification10
Mil-Standards11
Revue Thommen S12
Table 1-5 Referencedd12
Identification13
Type Identification Drawing13
Fig . 1-1 Type Identification Drawing13
Identification/Name Plate14
4437 Waldenburg14
Installation Kit15
Technical Specification15
Table 1-6 Installation Kit15
Table 1-7 Technicals15
Equipment Dimensions16
Fig . 1-2 Equipment Side View16
Pneumatic Pressure Port17
Fig . 1-3 Equipment Back View and Equipment Cut - out17
Table 1-8 Pneumaticp17
Interface Block Diagram18
Fig . 1-4 Interface Block Diagram18
Section II19
General Information19
Description19
Instrument Description19
Functional Description20
Fig . 2-1 Front View20
Table 2-1 Functionald20
Display20
Display21
Digital Altitude Display21
Altitude Pointer21
Altitude Scale Setting Ft/M21
Baro Setting Display21
Baro Scale Setting Inhg/Hpa21
Battery Engagement Indicators A, B and C21
Controls22
Baro Setting Knob22
Push to Standard Knob22
UNIT Button22
TEST Button22
Operations23
Theory of Operation23
Power Supply23
Micro Controller23
ARINC 429 Interface (Optional)23
Pointer Positioning24
Dial and Display24
Arinc 429 L24
Label24
Pressure )24
Dial and Display Lighting Default Function25
Fig . 2-2 Dial and Display Lighting25
Table 2-3 Dial and Display25
Lighting25
Voltage25
Configuration Identification26
RS232 Serial Interface26
Operating Range, Limiting Values and Tolerances26
Battery Status Display Overview (Optional)27
Digital Display28
Table 2-6 Digitald28
Table 2-7 Digitald28
Table 2-8 Altitude Display Resolution in Feet29
Table 2-9 Altitude Display Resolution in Meter29
Testing30
Startup BIT Sequence30
Display of All LCD Segments / White Lighting30
Display of Battery Charge / Amber Lighting (Optional)30
Fig . 2-3 Display of All Lcd Segments / White Lighting30
Fig . 2-4 Display of Battery Charge / Amber Lighting ( Optional )30
Display Config ID and A/C Type31
Display Current Altitude and Baro Setting31
Fig . 2-5 Display Config ID and A/Ctype31
Fig . 2-6 Display Current Altitude and Baro Setting31
Built-In-Test32
BIT Overview32
Start up BIT32
Initiated BIT32
Continuous BIT32
Failure Modes33
Fault Code Handling Overview33
Table 2-11 Fault Codeh33
Display33
Non Critical or Tolerable Failures34
Fig . 2-7 Indication of Non - Critical or Tolerable Failures34
Critical Failure Indication35
Power Failure35
Fig . 2-8 Indication of Critical Failures35
Section III36
Approvals36
General36
Instructions for Continued Airworthiness36
Environmental Qualification37
Operating37
Other39
Table 3-1 Environmental39
Electromagnetic Environment (EME)40
Electromagnetic Compatibility (EMC)40
Electromagnetic Interference (EMI)40
Pointer Position Error40
Scale Error40
Hysteresis40
Section IV41
Installation41
General41
Unpacking and Inspecting41
Pre and Post Installation Check41
Electrical Interface41
Overview of Electrical Interface41
Power Control (DC Primary)41
Power Consumption41
Power Failure Indication42
Groundings and Shielding42
Harness with Shielded Power Wires, RF Susceptibility Cat. [YY]42
Table 4-1 Powerc42
Harness with Unshielded Power Wires, RF Susceptibility Cat. [WW]43
Fig . 4-1 Harness Shielding Rf Cat . [Yy]43
Electrical Connector44
Pin Assignments44
Battery44
Table 4-2 Pin Assignments45
Wiring Diagram (Shielded Power Wires, RF Susc. Cat. [YY])46
Fig. 4-2 Wiring Diagram (Shielded Power Wires)46
Wiring Diagram (Unshielded Power Wires, RF Susc. Cat. [WW])47
Fig. 4-3 Wiring Diagram (Unshielded Power Wires)47
Digital Data Interface48
ARINC 429 (Optional)48
ARINC 429 Data Bus Interface48
ARINC 429 BIT Rate48
ARINC Label Formats48
Arinc 429 Data48
Label 203 (Pressure Altitude)49
Label 204 (Baro Corrected Altitude #1)50
Table 4-5 Label 20450
Label 217 (Static Pressure )51
Label 234 (Baro Correction Hpa #1)52
Label 235 (Baro Correction Inhg #1)53
Label 270 (Discrete Word #1)54
Label 350 (Maintenance Word #1) (Provision)55
Discrete I/O's56
Discrete Inputs56
Discrete Input Functions56
Aircraft Type Selection56
Discrete Outputs57
RS232 Serial Interface57
Table 4-13 Aircraft Type57
Table 4-14 Discreteo57
07-Sep-200958
Document No: AD-INSOP-80058
Revision58
Section V58
Trouble Shooting58
Table 5-1 Trouble Shooting58
Maintenance59
Table 5-2 Maintenancem59
Manual Maintenance Mode60
Entering Manual Maintenance Mode60
Display 1: Battery Capacity Test (Provision)60
Display 2: High Resolution Altitude61
Fig. 5-1 Battery Test Display61
Altitude61
Display 3: Lighting Curve Selection62
Table 5-3 Lighting Conditions62
Display 4: Lighting Curve Adjustment64
Appendices67
APPENDIX I: Function Overview67
Label 20368
Functions68
Table 6-1 Functiono69
APPENDIX II: Failure Codes70
Table 6-2 Failure Codes71
APPENDIX III: Altimeter Calibration Table72
Altitude )72
Table 6-3 Altimeterc72

Thommen AD20 - Equipment Dimensions; Fig. 1-2 Equipment Side View

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