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Microair Avionics 

EC2002 Altitude Encoder 

16

th

 April 2010 

EC2002 Installation Manual 01R12.doc 

Page  2  of  16 

 

 

 

 

About This Document 

 

This manual describes the installation of the Microair EC2002 
altitude  encoder.  Microair  has  supplied  additional  information 
to  enable  the  EC2002  to  be  installed  with  a  variety  of 
transponders. 

 

The manual is a restricted document, and may not be amended, 
copied,  or  distributed,  without  the  written  permission  of 
Microair Avionics. 

 

© Microair Avionics Pty Ltd 

 
 
 

 

 
 

 

CURRENT REVISION STATUS 

 

Revision 

Date 

Change 

1.0 

23/09/03 

Initial Draft 

01R2 

18/05/07 

Specifications and calibration procedures updated 

01R3 

28/06/07 

Minor amendments 

01R4 

09/07/07 

Update Microair UAV format 

01R5 

12/05/08 

Warranty Statement Upgrade 

01R6 

15/07/08 

Updated to reflect changes in 01R7-2 version hardware and 01R7-2 software 

01R7 

07/09/08 

Changed reference to maximum altitude to 38,000ft 

01R8 

24/11/08 

3 view drawing updated 

01R9 

07/01/09 

Weight data added 

01R10 

25/02/09 

Limited Warranty Updated 

01R11 

24/04/09 

[email protected]  - email change 

01R12 

16/04/10 

Microair altitude data format amended to add CRC 

Summary of Contents for EC2002

Page 1: ...Microair Avionics Pty Ltd 601 Curtin Ave E Pinkenba QLD 4008 Australia Tel 61 7 4160 8200 e mail support microair aero...

Page 2: ...Microair Avionics Pty Ltd CURRENT REVISION STATUS Revision Date Change 1 0 23 09 03 Initial Draft 01R2 18 05 07 Specifications and calibration procedures updated 01R3 28 06 07 Minor amendments 01R4 0...

Page 3: ...DUCTION 4 1 1 ATSO APPROVAL 4 1 2 RTCA COMPLIANCE 4 2 0 DESCRIPTION 5 3 0 INSTALLATION 6 3 1 PHYSICAL REQUIREMENTS 6 3 2 ELECTRICAL REQUIREMENTS 8 4 0 SERIAL ALTITUDE OUTPUT 9 5 0 FIELD CALIBRATION 11...

Page 4: ...ecification installation methods and calibration procedures of the EC2002 Altitude Encoder 1 1 ATSO Approval Pending 1 2 RTCA Compliance The EC2002 hardware development is compliant to RTCA DO 254 lev...

Page 5: ...NPT fitting The transducer output is digitised into a numerical value and outputted as an altitude via the 10 line Gillham interface and simultaneously to the serial data interface The EC2002 will typ...

Page 6: ...he purpose of mounting Microair recommends that the installer should consider the fact that the encoder may have to be dismounted to allow for recalibration periodically The retaining hardware should...

Page 7: ...y to remove the top cover and set the serial data output switches for the correct data format and resolution The switch settings have no effect on the Gillham output lines Refer to section 4 0 for for...

Page 8: ...should be clearly labelled as ALTITUDE ENCODER A dedicated ground line should be run from the EC2002 to the transponder and be grounded to the transponder s power ground to ensure correct signal leve...

Page 9: ...ude digits T 25 checksum carriage return AL 05200T 25D8 CR Magellan 1200bps MGL sign five altitude digits T 25 checksum carriage return MGL 05200T 250C CR Northstar Garmin 2400bps ALT space five altit...

Page 10: ...ON Garmin Trimble 25 steps ON OFF ON OFF ON ON Microair 100 steps ON OFF OFF OFF ON OFF Microair 25 steps ON OFF ON OFF ON OFF Microair 10 steps ON ON OFF OFF ON OFF Microair 1 steps ON ON ON OFF ON O...

Page 11: ...ibration check over any altitude range from 1000 feet to 38 000 feet Where the technician is required to adjust the EC2002 refer to section 5 1 IMPORTANT NOTE To complete the calibration process of th...

Page 12: ...5 050 and note the transition error Step 4 If the average transition error from steps 2 3 is greater than 25ft use an appropriate blunt tool to press either the HIGH or LOW keys to increase or decreas...

Page 13: ...Microair Avionics EC2002 Altitude Encoder 16th April 2010 EC2002 Installation Manual 01R12 doc Page 13 of 16 6 0 TECHNICAL DRAWING WEIGHT 95g 3 oz...

Page 14: ...Microair Avionics EC2002 Altitude Encoder 16th April 2010 EC2002 Installation Manual 01R12 doc Page 14 of 16 7 0 WIRING DIAGRAMS 7 1 Gillham Output 7 2 Serial Output...

Page 15: ...lures due to abuse misuse accident unauthorised alteration or repairs carried out by parties other than Microair Avionics or an approved Microair Avionics Service Centre This warranty does not cover f...

Page 16: ...Microair Avionics EC2002 Altitude Encoder 16th April 2010 EC2002 Installation Manual 01R12 doc Page 16 of 16 Supplied by...

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