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Related Manuals for Nat PIA01-001
Summary of Contents for Nat PIA01-001
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Page 1: Installation And Operation Manual
Installation and Operation Manual PIA01-001 Passenger Intercom Amplifier SM78 ISSUE 1.00 Northern Airborne Technology Ltd. 1925 Kirschner Road Kelowna, BC, Canada. V1Y 4N7 Telephone (250) 763-2232 Facsimile (250) 762-3374 Issued on the authority of Northern Airborne Technology Ltd. Copyright 2010... - Page 2 PIA01-001 Passenger Intercom Amplifier SM78 Installation and Operation Manual Prepared By: Checked By: Certification: Approved By: The status of this installation and operation manual is controlled by issue shown on the title page. The status of each section is controlled by revision shown in the footer of each page. All revisions affecting sections of this manual have been incorporated into the latest issue.
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Page 3: Table Of Contents
PIA01-001 Passenger Intercom Amplifier SM78 Installation and Operation Manual Table of Contents Section Title Page Description Introduction Product Description Design Features Specifications 1.4.1 Electrical Specifications 1.4.2 Physical Specifications 1.4.3 Environmental Specifications 1.4.4 Product Approval Installation Introduction Unpacking and Inspection 2.2.1... -
Page 4: Description
PIA01 users. The headphone outputs will support mono headsets. The microphone audio is summed together as one group. The PIA01 is initially intended for application with the Northern Airborne Technology (NAT) Digital Audio Communication System (DACS). In this configuration, the PIA01 provides intercom audio with the passengers of the Audio Management Unit (AMU) within the DACS system via the digital ICS Tie Line. -
Page 5: Specifications
PIA01-001 Passenger Intercom Amplifier SM78 Installation and Operation Manual Specifications 1.4.1 Electrical Specifications Input Signals Input Power Normal Operating Conditions: Nominal: +28.0 Vdc Maximum: +30.3 Vdc Minimum: +22.0 Vdc Emergency: +18.0 Vdc Abnormal Operating Conditions: Maximum: +32.2 Vdc Minimum: +20.5 Vdc Input Current: 2.0 A maximum @ 28.0 Vdc... - Page 6 Input Active: ≤+3 Vdc Maximum Current: ≤10 mA Input Protection: diode protected to +45 Vdc maximum ICS Tie Line Load Discrete Input (NAT ICS LEVEL) Quantity: 2 Loads: Logic: active LO, no external pull up required Input Active: ≤+3 Vdc Maximum Current: ≤10 mA...
- Page 7 PIA01-001 Passenger Intercom Amplifier SM78 Installation and Operation Manual Music Level Discrete Input (MUSIC LEVEL) Quantity: Lo level: Logic: active LO, no external pull up required Input Active: ≤+3 Vdc Maximum Current: ≤10 mA Input Protection: diode protected to +45 Vdc maximum...
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Page 8: Physical Specifications
230 mVrms nominal, (2 loads) 136 mVrms nominal, (4 loads) Circuitry Type: balanced 1.4.1.1 Audio Performance The PIA01-001 meets the requirements of FAA TSO-C139 and RTCA/DO-214 Class Ib. Audio Frequency Response: <3dB from 300 - 6000Hz Volume Controls: 40dB of adjustment (intercom audio) Crosstalk: >55dB attenuation from rated output power for input to output... -
Page 9: Environmental Specifications
SM78 Installation and Operation Manual 1.4.3 Environmental Specifications The PIA01-001 has been tested to the environmental conditions listed below. Environmental categories for which TSO compliance has been demonstrated are listed on the Environmental Qualification Form in Section 2 of this manual. -
Page 10: Installation
INSTALLED BY AN AUTHORIZED NORTHERN AIRBORNE TECHNOLOGY LTD. DEALER. Product for which a warranty card is not returned shall be warranted from date of manufacture. Continued Airworthiness Maintenance of the PIA01-001 Passenger Intercom Amplifier is ‘on condition’ only. Periodic maintenance of this product is not required. Installation Procedures... -
Page 11: Warnings
PIA01-001 Passenger Intercom Amplifier SM78 Installation and Operation Manual 2.4.1 Warnings WARNING: High volume settings can cause hearing damage. Set the headset volume control to the minimum setting prior to conducting tests, and slowly increase the volume to a comfortable listening level. -
Page 12: Mounting
PIA01-001 Passenger Intercom Amplifier SM78 Installation and Operation Manual 2.4.3 Mounting The PIA01 can be bulkhead mounted in any orientation using four 10-32 screws. No shock or vibration isolators are required. The PIA01 must be mounted to a clean metal surface which is electrically bonded to the aircraft ground plane. - Page 13 Microphone Impedance setting is controlled by data on the Digital ICS Tieline. 2.4.4.1.5 ICS Tieline Load Input (NAT ICS LEVEL) The PIA01 has one ICS Tieline Load Input for selecting the number of ICS Tieline loads on the Analog ICS Tieline. Two settings are available, two loads and four loads.
- Page 14 2.4.4.2.4.2 Analog ICS Tieline The Analog ICS Tieline can be configured to support standard NAT analog audio products. Refer to the interconnect drawing in section 2.7 to ensure that the tieline loading is correct. The Analog ICS Tieline is disabled when the PIA01 is operating in digital mode.
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Page 15: Post Installation Checks
Check pins <44> for MIC impedance ground (less than 0.5Ω). g) Check pin <49> for ground (less than 0.5Ω) when 2 NAT loads is selected. h) Check pin <27> for ground (less than 0.5Ω) when music level LO is selected. -
Page 16: Accessories Required But Not Supplied
PIA01-001 Passenger Intercom Amplifier SM78 Installation and Operation Manual Accessories Required But Not Supplied Installation kit p/n PIA01-IKC (crimp) is required to complete the installation. The kit consists of the following: Quantity Description Part No. Connector, D-Sub Socket, Crimp 50 pin Housing... - Page 21 ENVIRONMENTAL QUALIFICATION FORM Description: Passenger Intercom Amplifier Document #: PIA01\001\521-0 NAT Part #: PIA01-001 TSO #: TSO-C139 Manufacturer’s Specification and/or Other Applicable Specification: RTCA/DO-160E, RTCA/DO-214 Manufacturer: Wulfsberg Electronics Division Address: 6400 Wilkinson Drive, Prescott, AZ USA 86301 Prepared By: Checked By:...
- Page 22 PIA01-001 Environmental Qualification Form Conditions Section Description of Conducted Tests Explosive Atmosphere Category X, no test performed. Waterproofness 10.0 Category X, no test performed. Fluids Susceptibility 11.0 Category X, no test performed. Sand and Dust 12.0 Category X, no test performed.
- Page 23 • DO-160E, Sections 4 to 8, and 15 to 17 tests were conducted at Northern Airborne Technology Ltd. (NAT) in Kelowna, BC on PIA01-001. • DO-160E, Sections 18 to 22 tests were conducted at CKC Laboratories in Bothell, WA on PIA01-001.
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Page 25: Operation
SM78 Installation and Operation Manual Section 3 Operation Introduction Information in this section consists of the functional and operational procedures for the PIA01-001 Passenger Intercom Amplifier (PIA01). General Information The PIA01 is a remote mounted Passenger Intercom Amplifier that supports up to twelve passengers together on one intercom system (six headset connections on the PIA01, each supporting two headsets in parallel, if desired).