EC2002 Installation Manual 01R14
Contents
1. ec 20 07 ALTITUDE ENCODER INSTALLATION MANUAL Microair Avionics Pty Ltd Airport Drive Bundaberg Queensland 4670 Australia Tel 61 7 41 553048 SC MICROAIR Fax 617 41 553049 AVIONICS e mail Microair Avionics MICROAIR AVIONICS EC2002 Altitude Encoder 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 23 09 03 Initial Draft O1R2 18 05 07 Specifications and calibration procedures updated ORG 28 06 07 O1R4 09 07 07 Update Microair UAV format O1RS 12 05 08 Warranty Statement Upgrade O1R6 15 07 08 Updated to reflect changes in 01R7 2 version hardware and 01R7 2 software O1R7 07 09 08 Changed reference to maximum altitude to 38 000ft O1R8 24 11 08 3 view drawing updated O1R9 07 01 09 Weight data added OIRIO 25 02 09 Limited Warranty Updated OIRII 24 04 09 repair microair com au email change OIRI2 16 04 10 Microair altitude data format amended to add CRC OIR13 17 02 14 Removed all reference to user field calibration OIRIA 25 07 14 Removed reference to internal switch settings EC2002 Installation Manual 01R14 doc Page 2 of 12 25 July 2014 Microa2. D4 MICROAIR EC2002 ALTITUDE ENCODER POWER 10 TO 33Vdc GROUND SERIAL ALTITUDE DATA TX EC2002 Installation Manual 01R14 doc Page 10 of 12 25 July 2014 Microair Avionics EC2002 Altitude Encoder 7 0 LIMITED WARRANTY The warranty period for any Microair Avionics manufactured article is dependant on Condition of the article at time of sale and the Purchase Date For New Articles the warranty period commences from Date of Purchase and is valid for 2 years or the minimum period defined by applicable consumer law X whichever is the longer In the absence of original Proof of Purchase the MICROAIR warranty will be valid for 2 years from Date of Factory Shipment as determined AVIONICS by Microair Avionics For Factory Reconditioned Articles offered for sale the warranty period commences from Date of Purchase and is valid for 12 months For Factory Exchanged Articles the warranty period commences from the Date of Purchase of the original article and is valid for the remainder of the original warranty period For Repaired Articles the warranty period commences from the date of Factory Shipment and is valid for 6 months for the original defect only Microair Avionics will at its sole discretion repair or replace any components which fail in normal use Such repairs or replacement will be made at no charge to the customer for parts or labour The customer shall be responsible for any transportation costs for return of t
3. return ALT 05200 CR Microair 9 600bp S STX a if negative five altitude digits ETX check STX 4 205200 ETX O9 A sum Notes 1 The factory default setting is software controlled and set to GARMIN AT output with 100 step resolution 2 The software controlled option allows the EC2002 to be configured from terminal software applications 3 The Gillham output is always present and remains at 100 step output regardless of what serial data settings are used 4 The Microair T2000SFL Rev 8 will self detect any of the above protocols Refer to the T2000SFL User Manual to select serial altitude data instead of Gillham altitude data EC2002 Installation Manual 01R14 doc Page 8 of 12 25 July 2014 Microair Avionics EC2002 Altitude Encoder 5 0 TECHNICAL DRAWING 90 82 Da oo 8 HOLES 23 5 74 5 1 8 NPT FEMALE DB15 MALE WEIGHT 95g 3 2 oz EC2002 Installation Manual 01 R14 doc Page 9 of 12 25 July 2014 Microair Avionics EC2002 Altitude Encoder 6 0 WIRING DIAGRAMS 6 1 Gillham Output DB15 SCREENED WIRE MD _ to w md e 9 15 DB15 CONNECTOR VIEWED FROM THE SIDE THE WIRES ARE SOLDERED TO 6 2 Serial Output DB15 SCREENED WIRE E l 8 9 15 DB15 CONNECTOR VIEWED FROM THE SIDE THE WIRES ARE SOLDERED TO un O Q O Qo MICROAIR EC2002 ALTITUDE ENCODER POWER 10 TO 33Vdc GROUND AI A2 A4 Bl B2 B4 Cl C2 C4
4. Avionics Repair line in Australia Domestic or International Return instructions are available on our website Please follow these instructions carefully Phone 446174155 3048 Fax 6174155 3049 Email repair microair com au Website www microair com au EC2002 Installation Manual 01R14 doc Page 11 of 12 25 July 2014 Microair Avionics EC2002 Altitude Encoder Supplied by EC2002 Installation Manual 01 R14 doc Page 12 of 12 25 July 2014
5. ce statements the part number serial number and mod status The top of the case is fitted with a label which has the pin assignments for the DB 15 connector and clearly identifies the NPT fitting The EC2002 is fitted with a sensitive pressure transducer to sense the air pressure present at the 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 typically start outputting altitude data 10 seconds after being turned on The working altitude range is between 1000 feet and 35 000 feet The EC2002 is temperature controlled to ensure the pressure transducer is at nominal temperature in an ambient temperature range of 20 to 455 degrees C A heater element maintains the pressure transducer core temperature within operational specification Power consumption with the heater element off is 10mA and a maximum of 100mA 0 4V or 200mA 28V with the heater element on The MICROAIR AVIONICS PTY LTD RANAS O ES R ENGEN 1 1 i NSLAND AUSTRALIA heater will be fully off when ambient air temperatures are ALTITUDE ENCODER Mode EC2002 01 above 15 degrees C MOD clot QDO QD QOO OA OO nverted Altitude Range 1 000ft to 35 000ft RTCA DO 1 m Software level C RTCA DO 160D C1 X BAA SRUDOOOOCOCZBBBBXB A3 B1 XXX AI IMPORTANT NOTE mE Zz The EC2002 will cease outputting altitude
6. data if Q 1 The pressure altitude goes above 35 000 feet 2 The pressure altitude drops below 1000 feet 3 The sensor temperature is not within operational range EC2002 Installation Manual 01R14 doc Page 5 of 12 25 July 2014 Microair Avionics EC2002 Altitude Encoder 3 0 INSTALLATION Microair Avionics recommends that the EC2002 be typically positioned on the fire wall behind the instrument panel If this position is not possible the EC2002 can be attached to any flat surface or purpose made bracket and retained with 3mm 1 8 hardware via the holes 8 in the mounting plate The EC2002 should be supported by a minimum of two points on the mounting flanges A IMPORTANT NOTE No additional holes are to be drilled into the case for the purpose of mounting 1 v 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 be easy to remove or the HIGH and LOW key holes should be accessible in the installed position 3 1 Physical Requirements The EC2002 may be installed in either a pressurised or non pressurised cabin The EC2002 should however ideally be located In an area where the temperature can be reasonably controlled Away from cold air vents Away from heater elements or hot air vents Away from coaxial cables Microair recommends that the EC2002 and the aircraft s altimeter be the first two item
7. his product to Microair Pty Ltd or an approved Microair Service Centre This warranty does not cover failures 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 failures where the product has not been installed or operated in accordance with the provisions of the User and Installation manual s It shall be at Microair Avionics sole discretion to decide if a defect is a result of material or workmanship failure THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING ANY LIABILITY ARISING UNDER WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUARY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE AND COUNTRY TO COUNTRY IN NO EVENT SHALL MICROAIR AVIONICS PTY LTD BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT Microair Avionics may at it discretion refer product returns for repair or service to a service facility closest to you Microair Avionics reserves the right to repair or replace the product or software or offer a full refund of the purchase price at its sole discretion To obtain warranty service please email or call the Microair
8. ir Avionics EC2002 Altitude Encoder TABLE OF CONTENTS 1 1 1 1 Australia 1 1 0 INTRODUCTION 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 J 4 0 SERIAL ALTITUDE OUTPUT 8 5 0 TECHNICAL DRAWING 9 60 WIRING DIAGRAMS 10 6 1 GILLHAM OUTPUT 10 6 2 SERIAL OUTPUT 10 7 0 LIMITED WARRANTY 11 EC2002 Installation Manual 01R14 doc Page 3 of 12 25 July 2014 Microair Avionics EC2002 Altitude Encoder 1 0 INTRODUCTION This manual describes the performance specification installation methods and calibration procedures of the EC2002 Altitude Encoder 1 1 ATSO Approval Pending 1 2 RTCA Compliance e The EC2002 hardware development is compliant to RTCA DO 254 level C e The EC2002 software development is compliant to RTCA DO 178B level C e The EC2002 is compliant to DO 160D for following A1 D1 XJCAB SRU XXXXXXABABA UU Z XXXX XXX EC2002 Installation Manual 01R14 doc Page 4 of 12 25 July 2014 Microair Avionics EC2002 Altitude Encoder 2 0 DESCRIPTION The EC2002 is housed in a 1mm black anodised case with a mounting flange at each side Fitted to one end of the case are a DB15 male connector for Breet i o all electrical connections and a female 1 8 NPT fitting for cnoumprnistomemamrnoen i m ORMANCE connection to the aircraft s static air pressure system At the P s decode a opposite end is the nameplate showing the complian
9. s plumbed on to the static line This will make isolating the rest of the aircraft easy to do when the system requires a calibration check TRANSPONDER ANTENNA TEE JEE TEE l JUNCTION JUNCTION JUNCTION STATIC E umm SOURCE I oo oo COAXIAL CABLE WIRING HARNESS EC2002 Installation Manual 01R14 doc Page 6 of 12 25 July 2014 Microair Avionics EC2002 Altitude Encoder After installing remove the dust plug from the NPT fitting and connect the static hose line ensuring the NPT connector is sealed using thread tape or an appropriate sealer not silicone Connect the wiring harness terminated with a DB 15 from the transponder to the DB 15 fitting adjacent to the NPT fitting on the EC2002 Ensure that the DB 15 thumbscrews are secured to the hex nuts on the EC2002 s case 3 2 Electrical Requirements All wiring associated with the EC2002 installation in an aircraft should comply with FAA AC 43 13 1A Chapter 11 or equivalent requirements All wiring should be a minimum 22AWG in size Power may be supplied to the EC2002 as a switched supply from the transponder or directly from the aircraft bus The EC2002 can operate with a supply voltage ranging from 10V to 33V The maximum current requirement for the EC2002 is 200mA heater element full on 24V Supply Where the power for the EC2002 is to be supplied from the aircraft bus the positive line should be switched and passed via a circuit breaker with a rating of no greater
10. than 1 A Both the switch and the circuit breaker 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 levels EC2002Pin Assignment Notes 1 V means input voltage either switched from the transponder or direct from the aircraft bus 2 A C V means aircraft supply voltage positive 3 A C Gnd means aircraft ground negative 4 Where the power is not supplied directly from the transponder it is recommended that an indicator light be installed to show when power is being supplied to the encoder EC2002 Installation Manual 01R14 doc Page 7 of 12 25 July 2014 Microair Avionics EC2002 Altitude Encoder 4 0 SERIAL ALTITUDE OUTPUT The EC2002 will output a formatted ASCII message on an RS232 Data Interface This message contains the current pressure altitude with reference to 1013 2milli bars or 29 92 inches mercury All formats use 8 data bits 1 start bit 1 stop bit amp no parity ze Garmin AT 1200bps AL space sign five altitude digits T 25 checksum AL 05200T 25D8 CR P carriage return Magellan 1200bps MGL sign five altitude digits T 25 checksum MGL 05200T 250C CR p carriage return Northstar 2 400bp S ALT space five altitude digits carriage return ALT 05 200 CR Garmin Trimble Garmin 9600bp S ALT space five altitude digits carriage
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