Northern Airborne Technology RS08 User Manual
Part of
SM15
RS08
Remote Switch
INSTALLATION AND OPERATION MANUAL
REV 4.00 November 24, 2003
Northern Airborne Technology Ltd.
1925 Kirschner Road
Kelowna BC, Canada
V1Y 4N7
Telephone (250) 763-2232
Facsimile (250) 762-3374
Copyright 2003 by Northern Airborne Technology Ltd.
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
SM15 Rev. 4.00 RS08 Remote Switch Manual
Performed at factory
Sections 1.0 through 3.0 of this Manual are
APPROVED by Transport Canada as
complying with the requirements of AWM511
for Appliance Type Certificate AP-11
Periodically NAT will release manual amendments. In order to maintain the most
accurate and up to date manual these amendments should be carried out immediately
upon receipt and recorded on the following amendment record.
AMENDMENT RECORD
Amendment
Number
Amendment
Date
Section(s)
Changed
Date
Entered
Entered By
1 Jan 18\05 2
Insert any Amendment Instruction sheets after this page.
Nov 24, 2003 Page ii
ENG-FORM: 820-0109.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
INSTALL_OPS
MANUAL AMENDMENT
Manual: SM15 (RS08) Amendment #: 1
Document # SM15\RS08\Install_Ops\809-0001 Amendment Date: Jan 18, 2005
The purpose of this amendment is to add the Environmental Qualification Form (521-0)
to section 2.4 and to update section 2.3.2 Cable and Wiring statement paragraph 1.
Amendment Instructions:
1
2-1 to 2-3 Rev 4.00 2-1 to 2-3 Rev 4.00 Amendment #1
2
- RS08\001\521-0 Rev 1.00
Remove Drawings/Documents (Section 2) Replace or add Drawings/Documents (Section 2)
Note: Ensure that all drawings are inserted in the order shown on the latest drawing lists.
3 Update the Amendment Record sheet at the front of the manual.
4 Insert this page into the manual after the Amendment Record sheet (page ii).
Manual Amendment ends after the following amended pages
Remove Pages Replace With Pages
Amendment #1 Jan 18, 2005 Page 1
ENG-FORM: 809-0109.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
SM15 Rev. 4.00 RS08 Remote Switch Manual
Table of Contents
Section Title Page
1.0 Description
1.1 Introduction 1-1
1.2 Purpose of Equipment 1-1
1.3 Features 1-1
1.4 Specifications 1-2
1.4.1 Electrical Specifications 1-2
1.4.2 Physical Specifications 1-2
1.4.3 Environmental Specifications 1-3
1.5 Unit Nomenclature 1-3
2.0 Installation
2.1 Introduction 2-1
2.2 Unpacking and Inspection 2-1
2.3 Installation Procedures 2-1
2.3.1 Warnings 2-1
2.3.2 Cabling and Wiring 2-1
2.3.3 External Switches and Lamps 2-2
2.3.4 Post-Installation Checks 2-2
2.4 Installation Drawings 2-3
3.0 Operation
3.1 Introduction 3-1
3.2 Mode Annunciation 3-1
3.3 NAV Selection 3-1
3.4 Annunciator Lighting 3-1
3.5 Fault Indications 3-1
3.5.1 Loss of Power 3-1
3.5.2 Failure Presentations 3-2
Nov 24, 2003 Page iii
ENG-FORM: 820-0109.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
SM15 Rev. 4.00 RS08 Remote Switch Manual
Section 1.0 Description
1.1 Introduction
Information in this section consists of: purpose of equipment, features, specifications,
and a listing of all models available to the date of publication.
1.2 Purpose of Equipment
The RS08 is a bulkhead mounted remote switching unit. It is specifically designed to
handle the switching requirements of two navigation systems (i.e. NAV/GPS,
NAV1\NAV2) sharing a common NAV system indicator.
Switching control for the RS08 comes from an external switch, and provision is made to
force the return of the system to the VOR/ILS display, if an ILS station is selected by a
connected nav system.
The RS08 provides switching for FLAG, TO-FROM, and DEVIATION lines, as well as
providing annunciation output to show the display status of the common indicator.
1.3 Features
Dry circuit to 2A contacts are provided for 6 poles, and 2 poles are furnished crosslinked to provide positive functional annunciator drive, with a built-in lamp dimming
function (100 mA Max.) This provides the maximum possible safety margin for the pilot's
mode indicator.
Glideslope/ILS interlock is provided for indicator return to ILS mode, where allowed by
local Regulatory Authorities. Loss of power automatically returns the indicator to the
primary NAV aid. The RS08 Remote Switch operates from +9 to 33 Vdc without change
in interconnect.
All interconnect and relay contacts are gold plated. Relays are sealed, high vibration
rated (50g shock), dry nitrogen filled units. Circuit boards are constructed of G10-FR
(flame-retardant) material, with solder masks, reflowed tin plating, and environmental
post-coating.
Nov 24, 2003 Page 1-1
ENG-FORM: 800-0106.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
RS08 Remote Switch Manual SM15 Rev.4.00
1.4 Specifications
1.4.1 Electrical Specifications
Input Power +9 to 33 Vdc at 100 mA Max. (Excluding lamps).
Case is internally grounded.
Lamps Type 327/387 for 28 V (40 mA).
Type 330/382 for 14 V (80 mA).
Maximum lamp load is 100 mA if internal dimming
function is used.
Logic Ground seeking input for switch transfer.
Ground seeking ILS Enable input to return indicator to
ILS mode. Will accept positive bias on this line from
5-12 V, and an external diode or transistor junction in
series with the ground return.
Indicator Dry circuit switching to accommodate standard HSI
levels (500 µA), or up to 2 A @ 28 Vdc.
Flag bias 1.0 mA, if required.
Loads External 1 KΩ, if required.
Annunciators Lamp circuitry provided for mode annunciation.
Optional remote switch selectable dimming for 14/28V.
1.4.2 Physical Specifications
Height 1.25 inches (31.75 mm)
Depth 2.30 inches (58.42 mm) (excluding connector)
Width 4.50 inches (114.30 mm)
Mounting Bulkhead attachment (4 x 1032/AN3)
Weight 6 oz. (168 g) (excluding mating connector)
Page 1-2 Nov 24, 2003
ENG-FORM: 800-0106.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
SM15 Rev. 4.00 RS08 Remote Switch Manual
1.4.3 Environmental Specifications
Temperature -40 to +70°C (Ambient)
Altitude
RS08-001 25,000 ft. max.
RS08-350 35,000 ft. max.
RS08-500 50,000 ft. max.
Humidity 95% Non-Condensing
Shock 6g (all axes)
DO-160B Env. Cat:
RS08-001 /A1B1/BA/MNO/XXXXXXABBBBBB
RS08-350 /A1C1/BA/MNO/XXXXXXABBBBBB
RS08-500 /A1D1/BA/MNO/XXXXXXABBBBBB
1.5 Unit Nomenclature
The following list indicates the models available at the date of publication of this
document. Other models may be available.
Model Description / Distinction
RS08-001 Remote switch
Interlock and lamp dimmer (2 step)
Provides 6 poles of data transfer
Provides 2 poles of lamp transfer
14/28 Vdc operation
Gold contacts, sealed 50 g relays
Includes flag bias generator
Automatic ILS reversion circuit
Easily cascaded for more complex installations
RS08-350 Identical to RS08-001 but qualified to 35,000 feet
Suitable for mounting in unpressurized areas
RS08-500 Identical to RS08-001 but qualified to 50,000 feet
Suitable for mounting in unpressurized areas
End of Section 1.0
Nov 24, 2003 Page 1-3
ENG-FORM: 800-0106.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
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