Becker RT6512 Installation And Operation Manual
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Becker RT6512 Installation And Operation Manual

Remote-controlled vhf-am transceiver
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Becker Avionics GmbH • Baden-Airpark B108 • 77836 Rheinmünster • Germany
 +49 (0) 7229 / 305-0 • Fax +49 (0) 7229 / 305-217
http://www.becker-avionics.com • E-mail: info@becker-avionics.com
Remote-Controlled
VHF-AM Transceiver
RT6512

Installation and Operation

Manual
DV17501.03
Issue 06
April 2018
Article-No. 0645.702-071

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  • Page 1: Installation And Operation

    RT6512 Installation and Operation Manual DV17501.03 Issue 06 April 2018 Article-No. 0645.702-071 Becker Avionics GmbH • Baden-Airpark B108 • 77836 Rheinmünster • Germany  +49 (0) 7229 / 305-0 • Fax +49 (0) 7229 / 305-217 http://www.becker-avionics.com • E-mail: info@becker-avionics.com...
  • Page 2 Becker Avionics GmbH have to be observed. • To the extent that Becker Avionics GmbH provide component or system options based upon data or specifications provided by the user, the user is responsible for determining that such data and specifications are suitable and sufficient for all applications and reasonably foreseeable uses of the components or systems.
  • Page 3 Preface Dear Customer, Thank you for purchasing a Becker Avionics product. We are pleased that you have chosen our product and we are confident that it will meet your expectations. For development of our products, the guidelines for highest quality and reliability have been borne in mind, supplemented by selection of high quality material, responsible production and testing in accordance to the corresponding standards.
  • Page 4 Cover Page 04/2018 Introduction 04/2018 Chapter 1 – 4 04/2018 Section / Issue Page No.: Description Chapter 1-60 Changed: Editorial adjustments. Added: Descriptions about RCU6512. © by Becker Avionics GmbH / all rights reserved RT6512 DV17501.03 Issue 06 April 2018...

  • Page 5: Table Of Contents

    Hardware .......................... 25 Continued Airworthiness ....................25 Environmental Conditions ....................26 Certifications ........................27 1.8.10.1 RT6512 meets the Requirements of: ................27 1.8.10.2 Guidelines followed for Design and Development ............27 1.8.10.3 FCC Approval ......................28 Order Code..........................29 RT6512 ..........................29 Accessories ........................
  • Page 6 Figure 6: RT6512 with MT6512 - mounting area ....................34 Figure 7: Antenna Installation ..........................36 Figure 8: RT6512 Dimensions (without and with Main Connector applied) ............39 Figure 9: RT6512 with Mounting Tray MT6512 ...................... 40 Figure 10: RT6512 with RCU6512 ......................... 43 Figure 11: RT6512 with RMU5000 .........................
  • Page 7 Becker Avionics Installation and Operation List of Abbreviations List of Abbreviations Amplitude modulation double-sideband with full carrier Automatic Gain Control Amplitude Modulation Air Operations Centre ARINC Aeronautical Radio Incorporated ARINC 429 Data bus for commercial aircraft Air Traffic Services Built In Test...
  • Page 8 Becker Avionics Installation and Operation Units Units Ampere Milliampere °C Degree Celsius Power ratio in Decibel referenced to 1 mW Decibel Foot Gram Inch Kilohertz Megahertz Millimeter Nautical Mile kΩ Resistance kilo Ohm Ohm (Ω) Resistance Part per million Second...
  • Page 9 (e.g. EASA Part 145) which shall also examine and verify the installation. User conversions and changes are not permitted. Any change on the product, made by the user, excludes any liability of Becker Avionics GmbH. • For installation, opening the device is not required.
  • Page 10 Becker Avionics Installation and Operation Blank Page RT6512 DV17501.03 Issue 06 April 2018...

  • Page 11: General Description

    Order Code..........................29 RT6512 ..........................29 Accessories ........................29 This manual describes the Becker Avionics remote-controlled VHF-AM transceiver RT6512-(XXX). The type plate on your device shows the part number for identification purposes (see "Type Plate", page 33). Before starting operation of the device(s) please read this manual carefully, with particular attention to the description referring to your device(s).

  • Page 12: Introduction

    The technical information in this document applies to the described product(s) RT6512-(XXX). For further descriptions we are using the term RT6512 instead writing the complete model number. If a description refers to only one of the product variants its full name, e.g. "RT6512-(100)", will be used.

  • Page 13: Purpose Of Equipment

    118.000...136.975 MHz (136.9916 MHz with 8.33 kHz channel spacing) or optional with extended frequency range up to 155.975 MHz and uses standard amplitude modulation (A3E). RT6512 is capable to operate in both, the 25 or 8.33 kHz channel spacing is primarily intended for aeronautical operational control (AOC) and air traffic services (ATS) safety communications.

  • Page 14: Variants Overview

    Becker Avionics General Description Associated Devices Variants Overview Within the part number, the meaning of "RT6512-(XXX)", is: RT 6512 - ( X X X ) 0 – Standard 1 – with Emergency Mode Type Identifier Model Number 0 - Standard 1 –...

  • Page 15: Scope Of Functionality

    It can receive a weak signal while a 2 VHF-AM transceiver in the same aircraft is transmitting. • The RT6512 can operate with offset carrier in both 25 kHz and 8.33 kHz channel spacing. Transmit Mode RT6512 is equipped with a high-quality Class 3 and 5 transmitter: •...

  • Page 16: Audio Inputs And Outputs

    Figure 2: LINE_IN Schematic The RT6512 symmetrical line input has no DC connection to ground. Input impedance is 600 Ω. The maximum input level without clipping can be set as high as 6 V. The input audio signal is routed to a dynamic compressor keeping the modulation factor limited over a wide input voltage range.

  • Page 17: Audio Output Line Out

    1.5.5.1 /ON (Unit Power ON/OFF Control) /ON signal to switch ON/OFF the RT6512. The /ON line is used to activate an internal electronic switch to power-up the unit. It is active if the level on the /ON pin is less than 4.0 V or a resistance of less than 1 kΩ connects to ground.

  • Page 18: Rx_Att (External Rx Attenuation Control)

    /TX-ENABLE (Enabling the TX) /TX-ENABLE enables the transmitter. RT6512 detects a low state on the /TX_ENABLE input when an external resistance lower than 1 kΩ connects to ground. RT6512 is detecting high state on the /TX_ENABLE input when an external resistance higher than 50 kΩ...

  • Page 19: Status And Control Outputs

    This /FAILURE output is coupled to the status shown at the status LEDs mounted at the connector side of RT6512. It corresponds to OR function of the red and the yellow LEDs. When the test function is not ok, the transistor in the /FAILURE output is ON.

  • Page 20: Digital Interfaces To The Control Unit

    This /SQL_EVAL output is protected against spikes produced from a relay. • RX indication inactive (HIGH): Squelch ON but no audio goes out on LINE_OUT. RT6512 in TX mode. • RX indication active (LOW), only possible in RX mode: Squelch ON and audio goes out on LINE_OUT.

  • Page 21: Restriction For Use

    Becker Avionics General Description Restriction for Use • The installation of the device into an aircraft may be carried out only by an authorized installation company. The country regulations always have to be observed. • Use the product only within the specified conditions, see "Technical Data", page 22.

  • Page 22: Technical Data

    Specifications Nominal supply voltage 28.0 VDC Extended supply voltage 22.0…30.3 VDC Emergency operation 18.0 VDC Frequency range RT6512-(100) 118.000...136.9916 MHz RT6512-(200) 118.000...155.975 MHz RT6512-(201) 118.000...155.975 MHz Channel spacing 25 kHz 8.33/25 kHz (default) Number of channels 8.33 kHz 2280 25 kHz 760 Storage Temperature range -55...+85 °C...

  • Page 23: Receiver Data

    Becker Avionics General Description Technical Data Receiver Data RT6512 Specifications ≤ -93 dBm for a (S+N)/N ratio of 12 dB Sensitivity Effective bandwidth ±2.78 kHz at the 6 dB points (8.33 kHz channel spacing) ±7.37 kHz at the 60 dB points Effective bandwidth ±8 kHz at the 6 dB points...

  • Page 24: Transmitter Data

    Becker Avionics General Description Technical Data Transmitter Data RT6512 Specifications Output power into 50 Ω ≥ 20 W in normal condition; (with and without modulation) (≥ 16 W under all specified environmental conditions) ≤ 5 ppm Frequency tolerance Duty cycle...

  • Page 25: Software

    Becker Avionics General Description Technical Data Software The design and development processes used for VHF transceiver RT6512 software are in compliance with the rules given in EUROCAE/RTCA Document ED-12C/DO-178C. Design Assurance Level’ (DAL) "C". Hardware The Complex Electronic Hardware (CEH) included into VHF transceiver RT6512 has been designed in accordance with EUROCAE/RTCA Document ED-80/DO-254;...

  • Page 26: Environmental Conditions

    Becker Avionics General Description Technical Data Environmental Conditions The following performance standards were proven under environmental test conditions in accordance with the procedures set forth in EUROCAE/RTCA Document ED-14G/DO-160G. Environmental Test Section Category Remarks Temperature and Altitude Ground Survival Low Temperature and 4.5.1...

  • Page 27: Certifications

    Lightning Direct Effects no test performed Icing no test performed Electrostatic Discharge (ESD) Fire, Flammability no test performed Certifications The remote-controlled VHF transceiver RT6512 is certified. Device Approval RT6512-(XXX) EASA.21O.10060121 1.8.10.1 RT6512 meets the Requirements of: Number Description EASA ETSO-2C169a "VHF Radio Communication Transceiver Equipment Operating within Radio...

  • Page 28: 1.8.10.3 Fcc Approval

    This device must accept any interference received, including interference that may cause undesired operation. NOTE: Changes or modifications made to this equipment not expressly approved by Becker Avionics may void the FCC authorization to operate this equipment. RT6512 DV17501.03 Issue 06 April 2018...

  • Page 29: Order Code

    Frequency Range 118.000-155.975 MHz + Emergency Mode Accessories Mounting Tray Mounting Tray MT6512-(01)*, vertical position Article-No. 0644.722-284 * install RT6512 using MT6512 to meet the conditions for DO160G, section 7 and 8 (see "Environmental Conditions", page 26). Connector Kit CK6512-C; Article-No. 0642.568-954 •...
  • Page 30 Becker Avionics General Description Order Code Blank Page RT6512 DV17501.03 Issue 06 April 2018...

  • Page 31: Installation

    RT6512 with RMU5000..................... 43 RT6512 with ARINC 429 Controller .................. 43 Aircraft Wiring ..........................44 RT6512-(XX0) with RCU6512 as Primary Controller ............45 RT6512-(XX0) with ARINC 429 Controller ............... 46 RT6512-(XX1) with ARINC 429 Controller ............... 47 Post Installation Tests ......................... 48 Mechanical Installation and Wiring Check ................

  • Page 32: Device Assignment

    RT6512 (corresponding to your ordered version) • Authorized Release Certificate (EASA Form 1) Additional Required Equipment (optional) • Mounting tray MT6512 (for RT6512 to meet the conditions for DO-160G section 7 and 8) • Connector kit + cables • Antenna + antenna cables •...

  • Page 33: Type Plate

    The device type defined by the type plate (on the housing). Example: Figure 5: Type Plate (Example) Explanation: P/N: Type designation: RT6512: Remote-Controlled VHF-AM transceiver Options: (100): Frequency Range 118...136.9916 MHz (200): Frequency Range 118...155.975 MHz (201): Frequency Range 118...155.975 MHz + Emergency Mode Unique number of the particular device...

  • Page 34: Mounting Requirements

    Never use a grounding point on paint-coated surfaces! For details, please refer to FAA AC 43.13-2B Chapter 2 p. 207. The RT6512 has a threaded grounding bolt at the front side of the unit. • Use this point as grounding contact.

  • Page 35: Antenna Cables

    ICAO Annex 10, Vol. 3, Part II, §2.3.2.2.1 Observe manufacturer data for characteristic attenuation of the selected cable type, connectors, microwave switch, etc. All signal characteristics are defined for antenna port of RT6512. 2.3.3.1 Attenuation: Cable length versus coax cable type Data below shall be used as guideline only.

  • Page 36: Antenna Installation

    Becker Avionics Installation Mounting Requirements Antenna Installation For antenna installation, refer always to the manufacturer´s maintenance documentation for the aircraft. Carry out the antenna installation in accordance with AC 43.13-2B Chapter 3. Penetration of the pressurized cabin on a pressurized aircraft requires additional data, which are not contained in this installation manual.
  • Page 37 Becker Avionics Installation Mounting Requirements • Distance to other aircraft antennas (COM, NAV antennas), should be at least 1.5 m/5 ft. • The antenna mounting area should be as flat as possible. • When two radios are used: It is required to have an antenna separation of at least 45 dB. This needs to be guaranteed by the installer.

  • Page 38: Recommendation For Installation Of Two Rt6512 In One Aircraft

    2.3.4.4 Radio Setting and Wiring for dual installation To use the RT6512 in a dual COM installation, an attenuation function can be performed using the following procedure. Therefore, the "Push-To-Talk" output of transceiver A is wired to the "External Receiver Attenuation Control"...

  • Page 39: Dimensions

    14±0.1 (1.59 in ±0.004) Ø5.3±0.05 (Ø0.209 in ±0.002) 30.35±0.15 60±0.15 (1.195 in ±0.006) (2.36 in ±0.006) 30±5 73±5 (1.18 in±0.2) (2.874 in±0.2) CENTER OF GRAVITY Figure 8: RT6512 Dimensions (without and with Main Connector applied) DV17501.03 Issue 06 April 2018 RT6512...

  • Page 40: Rt6512 With Mounting Tray Mt6512

    RT6512 with Mounting Tray MT6512 Dimensions mm (inch) 71.9±0.3 (2.83 in ±0.019) 31.5±5 32±0.15 (1.24 in±0.2) (1.259 in ±0.006) Ø5.3±0.1 (Ø0.209 in ±0.004) 85±5 (3.346 in±0.2) CENTER OF GRAVITY Figure 9: RT6512 with Mounting Tray MT6512 RT6512 DV17501.03 Issue 06 April 2018...

  • Page 41: Connector Pin Assignments

    Connector P1 (RT6512) Pin Name Function AF_GND Audio ground RESERVE Spare pin for RT6512-(XX0) variants. /EMERG Input which activates the Emergency Mode for RT6512-(201) variant LINE_IN_HI Balanced Line-In HI STD_MIKE_HI Standard microphone input HI LINE_OUT_HI Balanced Line-Out HI SIDETONE Sidetone output...
  • Page 42 Becker Avionics Installation Connector Pin Assignments Pin Name Function RS422_TX+ RS422 Interface TX Line B (HI if idle) RS422_TX- RS422 Interface TX Line A (LO if idle) Select RS422 communication-port (LO active), if not LO then ARINC 429 /SEL422 ports are active.

  • Page 43: Equipment Configuration Samples

    Management Unit VHF COM 1 RMU5000 RT6512 Figure 11: RT6512 with RMU5000 RT6512 with ARINC 429 Controller RT6512 VHF-AM transceiver operated by one OEM controller using the ARINC 429 interface ARINC 429 Interface Controller VHF COM 1 ARINC 429 RT6512 Figure 12: RT6512 with ARINC 429 Controller DV17501.03 Issue 06 April 2018...

  • Page 44: Aircraft Wiring

    Do not apply reverse voltage! If the device has been powered up with a reverse wiring on the power supply line (ground and DC input reversed) then the unit shall be returned to a Becker Avionics service center for inspection.

  • Page 45: Rt6512-(Xx0) With Rcu6512 As Primary Controller

    AWG22/24 AWG22/24 AWG22/24 Note 1 Bonding Note Terminal Optional connection Note 1 Grounding connection: Electrical GND to connectors metal hood *Installation switch (INS_SW) Existing Audio System Figure 13: RT6512-(XX0) with RCU6512 as Primary Controller DV17501.03 Issue 06 April 2018 RT6512...

  • Page 46: Rt6512-(Xx0) With Arinc 429 Controller

    Optional connection Note 1 Grounding connection: Electrical GND to connectors metal hood Note 2 Do not connect Pin35 if Existing Audio System ARINC 429 controller is used. Figure 14: RT6512-(XX0) with ARINC 429 Controller RT6512 DV17501.03 Issue 06 April 2018...

  • Page 47: Rt6512-(Xx1) With Arinc 429 Controller

    Optional connection Note 1 Grounding connection: Electrical GND to connectors metal hood Note 2 Do not connect Pin35 if Existing Audio System ARINC 429 controller is used. Figure 15: RT6512-(XX1) with ARINC 429 Controller DV17501.03 Issue 06 April 2018 RT6512...

  • Page 48: Post Installation Tests

    Receiver / Transmitter Operation • Power up the RT6512 and tune it to a local station for a communication test. • Verify that the receiver output produces a clear and readable audio and ask the local station for proper readability for the transmit signal of the RT6512.
  • Page 49 Check the interference between the VHF-COM and the GPS receiver (when activated in NAV mode). • Select the following channels/frequencies on the RT6512 and on each frequency stay in TX and RX mode for at least 30 seconds. • Verify that GPS integrity flag is always out of view.

  • Page 50: Flight Test Check

    It is highly recommended to perform flight test as final installation verification. The performance of the RT6512 may be verified by contacting a ground station at a range of at least 50 NM while maintaining an appropriate altitude and over all normal flight attitudes.

  • Page 51: Operating Instructions

    ARINC 429 Protocol supported by RT6512 ................57 Device Description The RT6512 is designed to be operated by means of a remote control device which could be the Becker RCU6512 or RMU5000 using the RS422 control bus, or any OEM control device using the ARINC 429 control bus with standard label format.

  • Page 52: Start-Up

    "internal failure". • Control unit (CU) Lost Connection Error If RT6512 does not receive any valid frame via the RS422 serial interface within each 5 seconds, then the “CU Lost Connection Error” appears and classifies as "external failure". If RT6512 is controlled by ARINC 429 interface, detecting "CU Lost Connection Error"...

  • Page 53: Figure 16: Thermal Behavior For Tx Function

    +75 °C at the point of measurement. This error is indicated as a warning. As long as the "TX Hot Error" indication is ON and RT6512 is in the TX mode, TX output power is reduced to a safe level.

  • Page 54: Initiated Built In Test (Ibit)

    The test routine IBIT is activated by a special command via serial interface. • The green LED on RT6512 flashes for approx. 2 s during IBIT is running. Interrupting an already started self-test is not possible. The test routine IBIT checks the following functions: •...

  • Page 55: Error Indication

    Audible Error Announcement Behavior in the event of a fault: During flight, switch to another VHF radio and return the unit to a Becker Avionics service centre for repair as soon as landed. RT6512 immediately produce NOGO-audio signal at the LINE_OUT if the error indication is changing from: "no error"...
  • Page 56 Operating Instructions Start-Up Internal Failure Indication Behavior in the event of a fault: During flight, switch to another VHF radio and return the unit to a Becker Avionics service center for repair as soon as landed. Output / Indicator Status...

  • Page 57: Rs422 Protocol Supported By Rt6512

    Becker Avionics Operating Instructions ARINC 429 Protocol supported by RT6512 RS422 Protocol supported by RT6512 Detailed information on request. ARINC 429 Protocol supported by RT6512 Detailed information on request. DV17501.03 Issue 06 April 2018 RT6512...

  • Page 58: Contact Data

    Contact Data Contact Data In case of additional questions contact your local Becker Avionics dealer or forward your request direct to Becker Avionics "Customer Service". In the event of damage or a defect, the entire device must be returned for repair. The repair must be performed by trained Becker Avionics personnel.
  • Page 59 Becker Avionics Operating Instructions Contact Data Blank Page DV17501.03 Issue 06 April 2018 RT6512...

  • Page 60: Index

    Warranty Conditions ........9 We reserve the right to make technical changes. The data correspond to the current status at the time of printing. © by Becker Avionics GmbH / all rights reserved *** End of the Document *** RT6512...

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