1. Manuals
  2. Brands
  3. Midcontinent Manuals
  4. Control Unit
  5. MD41 Series
  6. Installation manual and operating instructions

Midcontinent MD41 Series Installation Manual And Operating Instructions

Gps annunciation control unit for trimble 2000apr, 2000apr plus, 2101, 2101 plus, 2101 i/o, 2101 i/o plus and an/asn-175
Hide thumbs Also See for MD41 Series:
Table of Contents

Advertisement

Quick Links

Download this manual
INSTALLATION MANUAL AND
OPERATING INSTRUCTIONS
MD41-( ) Series GPS ANNUNCIATION CONTROL UNIT
FOR TRIMBLE 2000APR, 2000APR PLUS, 2101, 2101 PLUS,
2101 I/O, 2101 I/O PLUS and AN/ASN-175
MD41-1628
MD41-1638
MD41-1624
MD41-1634
Mid-Continent Instruments and Avionic
th
9400 E. 34
Street N., Wichita, KS 67226 USA
Phone 316-630-0101  Fax 316-630-0723
28vdc
Horizontal Mount
28vdc
Vertical Mount (shown on page 11)
14vdc
Horizontal Mount
14vdc
Vertical Mount (shown on page 11)
Manual Number 8013567
REV. 2 Aug. 05, 1999

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MD41 Series and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Midcontinent MD41 Series

Summary of Contents for Midcontinent MD41 Series

  • Page 1 INSTALLATION MANUAL AND OPERATING INSTRUCTIONS MD41-( ) Series GPS ANNUNCIATION CONTROL UNIT FOR TRIMBLE 2000APR, 2000APR PLUS, 2101, 2101 PLUS, 2101 I/O, 2101 I/O PLUS and AN/ASN-175 MD41-1628 28vdc Horizontal Mount MD41-1638 28vdc Vertical Mount (shown on page 11) MD41-1624 14vdc Horizontal Mount MD41-1634...
  • Page 2 MANUAL REVISION AND HISTORY MANUAL: MD41-1624, -1634, -1628, -1638, -1628(5v), -1638(5v) REVISION: Oct. 26, 1997 Rev. 1 MANUAL NUMBER: 8013567 This revision level of this manual consist of the following changes: Added AlliedSignal KI 208A/209A Navigation Indicators to be used with the MD41-162X/163X series ACU in place of the MD41-244/248 series Relay Units.
  • Page 3 TABLE OF CONTENTS SECTION 1 GENERAL DESCRIPTION INTRODUCTION SPECIFICATIONS, TECHNICAL 1.2.1 PHYSICAL CHARACTERISTICS 1.2.2 ENVIRONMENTAL CHARACTERISTICS 1.2.3 SPECIFICATIONS, ELECTRICAL 1.2.4 FRONT PANEL CONTROLS AND ANNUNCIATIONS 1.2.4.1 CONTROLS 1.2.4.2 ANNUNCIATIONS 1.2.5 INTERFACE 1.2.6 EQUIPMENT LIMITATIONS 1.2.7 MAJOR COMPONENTS SECTION 2 INSTALLATION CONSIDERATIONS COOLING EQUIPMENT LOCATION ROUTING OF CABLES...

  • Page 4: Section 1 General Description

    SECTION 1 GENERAL DESCRIPTION INTRODUCTION The MD41-162X/163X is a compact, self -contained GPS Annunciation and Control unit. It combines all the necessary functions required to interface the Trimble 2000APR, 2101, 2101 I/O, AN/ASN-175 and later PLUS version approach-certified GPS receivers with the MD41-244/248 remote mounted relay transfer system.
  • Page 5 1.2.3 SPECIFICATIONS, ELECTRICAL Design All Solid State MD41-1624/1634 (14VDC) 0.40 Amps MD41-1628/1638 (28VDC) 0.30 Amps MD41-1628(5V)/1638(5V) (28DC) 0.30 Amps 1.2.4 FRONT PANEL CONTROLS AND ANNUNCIATIONS 1.2.4.1 CONTROLS NAV/GPS Alternate action switch, when pressed, will select NAV (VOR) GPS presentation on HSI/CDI. 1.2.4.2 ANNUNCIATIONS NAV (VOR) information presented on the HSI or CDI.
  • Page 6 1.2.5 INTERFACE (cont.) WPT Ann Receives ground to activate annunciation. J1 Pin 4 APR Ann Receives a ground to activate annunciation. J1 Pin 9 HOLD Ann Receives a ground to activate annunciation. J1 Pin 10 ILS Override Receives a logic low from the NAV (VOR) JI Pin 11 receiver when tuned to an ILS frequency.

  • Page 7: Equipment Limitations

    1.2.6 EQUIPMENT LIMITATIONS The MD41-( ) series control units contain specific dash numbers to be used with various GPS receivers. The installer must match the correct controller part number with the GPS receiver being installed. The conditions and tests required for TSO approval of this article are minimum performance standards.

  • Page 8: Section 2 Installation Considerations

    SECTION 2 INSTALLATION CONSIDERATIONS COOLING No direct cooling is required. As with any electronic equipment, overall reliability may be increased if the MD41-( ) is not located near any high heat source or crowded next to other equipment. Means of providing a gentle air flow will be a plus. EQUIPMENT LOCATION The MD41-( ) must be mounted as close to the pilot’s field of view as possible.

  • Page 9: Section 3 Installation Procedures

    SECTION 3 INSTALLATION PROCEDURES GENERAL INFORMATION This section contains interconnect diagrams, mounting dimensions and other information pertaining to the installation of the MD41-( ). After installation of cabling and before installation of the equipment, insure that power is applied only to the pins specified in the interconnect diagram.
  • Page 10 REAR VIEW OF J1 (bottom) CONNECTOR PIN NO. 1 ---------------------------- TO NAV CIRCUIT BREAKER (for fault monitoring) 2 ---------------------------- GPS ANNUNCIATION (receives ground from remote transfer relays) 3 ---------------------------- MSG ANNUNCIATION (receives ground from GPS receiver) 4 ---------------------------- WPT ANNUNCIATION (receives ground from GPS receiver) 5 ---------------------------- DIMMER IN (from aircraft dimming bus) 6 ----------------------------...
  • Page 11 Note 1: Use two 4-40 X 3/8” Flat Head Phillips Screws for Mounting FIGURE 3-2 OUTLINE DRAWING REV. 2 Aug. 5, 1999...
  • Page 12 FIGURE 3-3 WIRING DIAGRAM, MD41-1624/1634,1628/1638/1628(5V)/1638(5V) for 2000APR, 2101, 2101 I/O, AN/ASN-175 including PLUS versions GPS systems. REV. 2 Aug. 5, 1999...
  • Page 13 FIGURE 3-4 WIRING DIAGRAM, MD41-1624/1634/1628/1638/1628(5V)/1638(5V) SERIES ACU WITH AlliedSignal KI 208A/209A COURSE DEVIATION INDICATOR FOR THE 2000APR, 2101, 2101 I/O, AN/ASN-175 including PLUS versions GPS systems. REV. 2 Aug. 5, 1999...

  • Page 14: Section 4 Post Installation Checkout

    SECTION 4 POST INSTALLATION CHECKOUT PRE INSTALLATION TESTS With the MD41-( ) disconnected, turn on the avionics master switch and verify that aircraft power is on pin 13. Using an ohm meter, verify pin 25 is aircraft ground. OPERATING INSTRUCTIONS Turn off the avionics master switch and connect the mating connector to the MD41-( ).

  • Page 15: Environmental Qualification Form

    ENVIRONMENTAL QUALIFICATION FORM RTCA / DO160C NOMENCLATURE: MD41-( ) GPS ANNUNCIATION CONTROL UNIT MODEL NO: MD41-( ) TSO NO: C129 CLASS A1 MANUFACTURER TEST SPECIFICATION: MPS 7015613 MANUFACTURER: Mid-Continent Instruments and Avionics 9400 E. 34 Street N. Wichita, KS 67226 Phone (316) 630-0101 Conditions Section...
  • Page 16 REV. 2 Aug. 5, 1999...
  • Page 17 Environmental Qualification (cont.) Conditions Section Description of Conducted Tests Sand and Dust 12.0 Equipment identified as Category X, no test required Fungus 13.0 Equipment identified as Category X, no test required Salt Spray 14.0 Equipment identified as Category X, no test required Magnetic Effect 15.0 Equipment tested to Class Z...

This manual is also suitable for:

Md41-1628Md41-1638Md41-1624Md41-1634

Table of Contents