Thommen AC32 Manuale utente

REVUETHOMMENAG

CH-4437 Waldenburg

AC32 DIGITAL AIR DATA COMPUTER

INSTALLATION MANUAL

Page 2 of 105

04-Jan-2011

Document No. AC-INST-500

Revision 2.1

REVISION HISTORY

REVISION

DESCRIPTION

ISSUE DATE

INITIAL

CHECKED

1.0

INITIAL RELEASE

30th Aug, 2004

1.1

Appendix VI - Equipment Dimensions

: Compact Case added.

Appendix VII - Identification Plates

added.

Note 1 added in Section I –1-A

In Section III-1-C

Lightning Induced Transient

Susceptibility- RTCA/DO-160D

Section 22.0 Cat. [A3E3] changed to

RTCA/DO-160D Section 22.0 Cat.

[A3J33]

18th Jan, 2005

1.2

Appendix - Software Version SW 2.10

features added

23rd Nov, 2005

1.3

NOTE 2 added in Sec IV-1-E2

9th Dec, 2005

1.4

Appendix - Software Version SW 2.11

features added

Section III-1-C Environmental

Qualification updated

23rd May, 2006

1.5

Appendix X - Software Version SW

2.31 feature added

Appendix XI –Outputs added

Mating Electrical Connector MS

Number introduced on page 40

Total Air Temperature (TAT)

Calibration Table: Resistance Pt 100

added in Appendix V

17th Jan, 2008

1.6

Appendix VII –Env. Cat. in

Identification Plate added

Appendix XII –SW Version 2.40

feature added

Appendix XIII –SW Version 2.50/2.51

features added

Document Formats changed

12th Mar, 2008

1.7

Appendix XIII –SW Version 2.51

label 242 resolution corrected

23-May-2008

1.8

Appendix XIV –SW Version 2.60

features added

20-April-2009

1.9

formal changes throughout the

document

TAT probe interface updated

Discrete I/O functions updated

Appendix I Failure Codes, Failure

14-Oct-2009

REVUETHOMMENAG

CH-4437 Waldenburg

AC32 DIGITAL AIR DATA COMPUTER

INSTALLATION MANUAL

Page 3 of 105

04-Jan-2011

Document No. AC-INST-500

Revision 2.1

REVISION

DESCRIPTION

ISSUE DATE

INITIAL

CHECKED

class and BIT Matrix added

Appendix III Airspeed calibration table

extended

Appendix IV Mach no. calibration

table extended

Appendix V TAT/OAT calibration table

updated

Appendix XI „IAS damping‟and

„Calculation of impact pressure qci‟

added

Appendix XV –SW Version 2.70

features added

2.0

Change of logical state of Bit 13 label

270 for selected SW versions

27-May-2010

2.1

G.2: ARINC 429 transmit channel bus

load specified.

Appendix XVI –HW version 2.21 /

MOD 01A change for improved

ARINC 429 bus load.

04-Jan-2011

CAUTION:

Before attempting any installation activities on the equipment covered in this manual, verify that

you have complete and up-to-date publications by referring to the applicable manual revisions and

service bulletin indices.

REVUETHOMMENAG

CH-4437 Waldenburg

AC32 DIGITAL AIR DATA COMPUTER

INSTALLATION MANUAL

Page 4 of 105

04-Jan-2011

Document No. AC-INST-500

Revision 2.1

SERVICE BULLETIN INDICES

SB No.

SERVICE BULLETIN

SUBJECT

EDITION / REVISION

NUMBER

Date

AD32/AC32/01

Hardware and Software

Modification

Initial Release

30th August, 2004

AC32/04

Hardware Modification

Initial Release

02-Dec-2010

REVUETHOMMENAG

CH-4437 Waldenburg

AC32 DIGITAL AIR DATA COMPUTER

INSTALLATION MANUAL

Page 5 of 105

04-Jan-2011

Document No. AC-INST-500

Revision 2.1

Table of Contents Page

REVISION HISTORY..........................................................................................................................................2

SERVICE BULLETIN INDICES..........................................................................................................................4

SECTION I..........................................................................................................................................................9

Introduction................................................................................................................................. 9

A. Purpose of the manual ........................................................................................................ 9

B. Equipment Specification...................................................................................................... 9

C. Technical Specification...................................................................................................... 13

D. Equipment Dimensions ..................................................................................................... 14

E. Interface Block diagram..................................................................................................... 16

SECTION II.......................................................................................................................................................17

General Information................................................................................................................... 17

Description................................................................................................................................ 17

A. Equipment Description ...................................................................................................... 17

Operations ................................................................................................................................ 18

A. Theory of Operations......................................................................................................... 18

B. Operating Modes............................................................................................................... 22

Testing...................................................................................................................................... 23

A. Built-in-Test....................................................................................................................... 23

B. Failure Modes.................................................................................................................... 24

SECTION III......................................................................................................................................................26

Approvals.................................................................................................................................. 26

A. General ............................................................................................................................. 26

B. Instructions for Continued Airworthiness............................................................................ 26

C. Environmental Qualification............................................................................................... 27

SECTION IV .....................................................................................................................................................31

Installation................................................................................................................................. 31

A. General ............................................................................................................................. 31

B. Unpacking and Inspecting ................................................................................................. 31

C. Pre and Post Installation Check ........................................................................................ 31

D. Electrical Interface............................................................................................................. 31

E. Electrical connector........................................................................................................... 35

G. Digital Data Interfaces....................................................................................................... 43

G.3.1 Label 203 (Pressure Altitude)....................................................................................... 46

G.3.12 Label 217 (Indicated static pressure).......................................................................... 57

G.3.20 Label 320 (Magnetic Heading) ................................................................................... 65

I. ICAO Encoded Altitude Output ........................................................................................... 71

J. RS-232 Serial Interface...................................................................................................... 71

REVUETHOMMENAG

CH-4437 Waldenburg

AC32 DIGITAL AIR DATA COMPUTER

INSTALLATION MANUAL

Page 6 of 105

04-Jan-2011

Document No. AC-INST-500

Revision 2.1

SECTION V ......................................................................................................................................................72

1. Trouble shooting ................................................................................................................... 72

2. Maintenance.......................................................................................................................... 73

A. Recalibration Interval............................................................................................................ 73

APPENDICES...................................................................................................................................................74

Appendix I................................................................................................................................. 74

Failure Codes........................................................................................................................ 74

Appendix II................................................................................................................................ 78

Altimeter Calibration Table..................................................................................................... 78

Appendix III............................................................................................................................... 79

Airspeed Calibration Table..................................................................................................... 79

Appendix IV............................................................................................................................... 80

MACH Number Calibration Table........................................................................................... 80

Appendix V................................................................................................................................ 82

Total Air Temperature (TAT) / Outside Air Temperature (OAT) Calibration Table.................. 82

Appendix VI............................................................................................................................... 83

Equipment Dimensions : Compact Case................................................................................ 83

Appendix VII.............................................................................................................................. 85

Identification Plates................................................................................................................ 85

Appendix VIII............................................................................................................................. 86

Software Version SW 2.10:.................................................................................................... 86

Appendix IX............................................................................................................................... 90

Software Version SW 2.11:.................................................................................................... 90

Appendix X................................................................................................................................ 91

Software Version SW 2.41:.................................................................................................... 91

Appendix XI............................................................................................................................... 92

Software Version 2.30:........................................................................................................... 92

Appendix XII.............................................................................................................................. 94

Software Version SW 2.40:.................................................................................................... 94

Appendix XIII............................................................................................................................. 95

Software Version SW 2.50:.................................................................................................... 95

Software Version SW 2.51:.................................................................................................... 96

Appendix XIV ............................................................................................................................ 97

Software Version SW 2.60:.................................................................................................... 97

Appendix XV ............................................................................................................................. 99

Software Version SW 2.70:.................................................................................................... 99

REVUETHOMMENAG

CH-4437 Waldenburg

AC32 DIGITAL AIR DATA COMPUTER

INSTALLATION MANUAL

Page 7 of 105

04-Jan-2011

Document No. AC-INST-500

Revision 2.1

Multiple configurable VMO ...................................................................................................... 104

Appendix XVI .......................................................................................................................... 105

Hardware Version 2.21 / MOD 01A:..................................................................................... 105

List of Figures Page

Figure 1: Equipment Front and Rear View........................................................................................ 14

Figure 2: Equipment Side and Top View........................................................................................... 15

Figure 3: AC32 Block Diagram.......................................................................................................... 16

Figure 4: Primary Power Fail............................................................................................................. 25

Figure 5: AC32 Harness Shielding.................................................................................................... 33

Figure 6: AC32 Primary Power Fail................................................................................................... 34

Figure 7: Wiring Diagram.................................................................................................................. 39

Figure 8: Digital Air Data Computer Communication......................................................................... 40

List of Tables Page

Table 1: Type Identification............................................................................................................... 11

Table 2: Installation Kit...................................................................................................................... 12

Table 3: Technical Specification ....................................................................................................... 13

Table 4: ARINC429 Labels ............................................................................................................... 20

Table 5: Operating ranges, limiting values and tolerances................................................................ 21

Table 6: Fault code handling............................................................................................................. 24

Table 7: Environmental Qualification................................................................................................. 29

Table 8: Pin Assignments................................................................................................................. 37

Table 9: Resistance Pt 500............................................................................................................... 41

Table 10: TAT Signals ...................................................................................................................... 41

Table 11: ARINC 429 Labels ............................................................................................................ 43

Table 12: ARINC 429 I/O Transfer labels.......................................................................................... 45

Table 13: ARINC 429 I/O Transfer for Baro Correction..................................................................... 45

Table 14: ARINC 429 Labels Format................................................................................................ 45

Table 14: Discrete Inputs.................................................................................................................. 70

Table 15: Discrete Outputs ............................................................................................................... 71

Table 16: Trouble Shooting Procedures............................................................................................ 72

REVUETHOMMENAG

CH-4437 Waldenburg

AC32 DIGITAL AIR DATA COMPUTER

INSTALLATION MANUAL

Page 8 of 105

04-Jan-2011

Document No. AC-INST-500

Revision 2.1

List of Abbreviations and Acronyms

Abbreviation

Description

A/C

Aircraft

Abs

Absolute

ADC

Air Data Computer

ARINC

Aeronautical Radio Inc.

ASCII

American Standard Code for Information Interchange

BIT

Built In Test

Direct Current

Diff

Differential

EMI

Electro Magnetic Interference

FAA

Federal Aviation Administration (USA)

FAR

Federal Aviation Regulation

Flight Instruments

FIG

Figure

Hardware

ICAO

International Civil Aviation Organization

Interface

N.A.

Not applicable

Not Connected

REV

Revision

RTCA

Radio Technical Commission for Aeronautics

RTW

REVUE THOMMEN AG, Waldenburg

RVSM

Reduced Vertical Separation Minima

SSEC

Static Source Error Correction

Software

TBD

To Be Defined

TSO

Technical Standard Order

HIRF

High Intensity Radiated Field

REVUETHOMMENAG

CH-4437 Waldenburg

AC32 DIGITAL AIR DATA COMPUTER

INSTALLATION MANUAL

Page 9 of 105

04-Jan-2011

Document No. AC-INST-500

Revision 2.1

SECTION I

Introduction

A. Purpose of the manual

This manual provides the specifications, installation instructions and system maintenance in details

for the REVUE THOMMEN AC32 Digital Air Data Computer equipment. This manual also defines

interface design requirements including mechanical and electrical characteristics for REVUE

THOMMEN AC32. The Interface Control Document (ICD) information is also covered in detail in this

manual.

The description and procedures are covered in different topics as shown in the Table of Contents,

and the troubleshooting procedures are given under sections to identify the fault and failure

conditions of the equipment with the interface systems.

The contents of this manual have been verified by actual performance of the equipment prior to

distribution of printed copies.

The procedures in this manual are to be performed by qualified personnel familiar with REVUE

THOMMEN AC32 Digital Air Data Computer Equipment.

Note 1 : This manual replaces the AC32 Interface Control Document (Doc no. AD-ICD-530).

B. Equipment Specification

B.1 Applicable Documents

The following column shows the list of relevant applicable documents which forms the basis of

approvals of the AC32 Digital Air Data Computer.

STANDARDS

TSO-C106 Air Data Computer

SAE AS8002 Air Data Computer Minimum Performance Standards

ARINC 706-4 Mark 5 Subsonic Air Data System

ARINC 607-3 Design Guidance for Avionic Equipment

ARINC 429 Mark 33 Digital Information Transfer System (DITS)

TSO-C88a Automatic Pressure Altitude Reporting Code Generating Equipment

SAE AS8003 Minimum Performance Standard for Automatic Pressure Altitude Reporting

Code Generating Equipment

MILITARY

MS33649 Bosses, Fluid Connection - Internal Straight Thread

MIL-C-14806 Coating, reflection reducing, for instrument cover glasses and lighting wedges

REVUETHOMMENAG

CH-4437 Waldenburg

AC32 DIGITAL AIR DATA COMPUTER

INSTALLATION MANUAL

Page 10 of 105

04-Jan-2011

Document No. AC-INST-500

Revision 2.1

SPECIFICATIONS

AC-SPE-500 AC32 Specification Digital Air Data Computer

ADAC-SWR-420 ADAC Software Requirements

Limitations Limited to manufacturer specifications of the digital input bus and to the

applicable configuration and Mod status.

COMMERCIAL

RTCA/DO-160D Environmental Conditions and Test Procedures for Airborne Equipment

with Change, 1 Change 2 and Change 3

ED-12B Software Considerations in Airborne Systems and Equipment Certification

RTCA/DO-178B

ED-14D Environmental Conditions and Test Procedures for Airborne Equipment

RTCA/DO-160D

ED-80 ED-80 / RTCA/DO-254 Design Assurance Guidance for Airborne Electronic

RTCA/DO-254 Hardware

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- None

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