RFDesign RFD TXMOD User Manual
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RFDesign RFD TXMOD User Manual

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RFD TXMOD
User Manual
www.rfdesign.com.au
PRJ-TXM-MAN-001
RFDesign Pty Ltd
7/1 Stockwell Place
Archerfield, QLD 4108
rfdesign.com.au

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Summary of Contents for RFDesign RFD TXMOD

  • Page 1 RFD TXMOD User Manual PRJ-TXM-MAN-001 RFDesign Pty Ltd 7/1 Stockwell Place Archerfield, QLD 4108 rfdesign.com.au...

  • Page 2: Table Of Contents

    RFD TXMOD User Manual www.rfdesign.com.au Table of contents Introduction ............................ 2 Product Description ........................ 2 Getting to know the product ....................2 RC – TXMOD Compatibility ......................4 Getting Started ..........................5 Radio Controller Configuration ....................5 TXMOD Configuration ......................5 3.2.1...

  • Page 3: Introduction

    1 Introduction 1.1 Product Description The RFD TXMOD, or TXMOD, has been designed to work in conjunction with the Taranis X9D Radio Control Transmitter from FrSky and other compatible controllers. The RFD TXMOD transmits the PPM stream from the controller to the vehicle via the RF Design long range telemetry modems while also receiving telemetry data from the aircraft.
  • Page 4 RFD TXMOD User Manual www.rfdesign.com.au Table 1 - TXMOD Description Description /Note Antenna For information about antenna selection refer to section 5 in this document connectors or to the RFD 900x Modem datasheet linked in section 7. Heat sink The heatsink, visible through the top cover, is required for proper operation and should not be covered while the unit is in use.

  • Page 5: Rc - Txmod Compatibility

    RFD TXMOD User Manual www.rfdesign.com.au 2 RC – TXMOD Compatibility The TXMOD has been designed to fit into the rear expansion bay of an FrSky Taranis X9D Plus. It may be compatible with other transmitters however the determination of this is the user’s responsibility.

  • Page 6: Getting Started

    RCs should be sort in the relevant device manufacture’s manual. Please check the transmitter for RFD TXMOD compatibility and ensure it supports the same interface. - Switch on the RC and choose the vehicle you intend to operate.

  • Page 7: Configuration Webpage

    RFD TXMOD User Manual www.rfdesign.com.au 3.2.1 Configuration Webpage Figure 6 - Configuration home page The configuration home page provides basic information on the RF Design TXMOD, such as the software versions, MAC and IP addresses and links to the various configuration pages. The default address is http://192.168.4.1/...
  • Page 8 RFD TXMOD User Manual www.rfdesign.com.au b) First Run Wizard - Point your preferred browser to the TXMOD IP address (by default http://192.168.4.1/) to access the configuration homepage of figure 6. Alternatively, it can be accessed by the URL http://TXMOD- XX-XX-XX.local where the X’s are the same as the X’s in the access point network name. Note: This second option will require the installation of some support software for correct operation, for detail please see section 3.2.2 d).
  • Page 9 RFD TXMOD User Manual www.rfdesign.com.au - Change the desired settings and press save. - Finalise the changes by power cycling the TXMOD. Note: Changes to the network settings may require a change to the Wi-Fi connection that you use in order to connect, e.g. selecting the new Wi- Fi name, or forcing the system to forget an old network password.
  • Page 10 RFD TXMOD User Manual www.rfdesign.com.au Parameter Description The static IP address to assign the TXMOD when joining the network. (Note this may require appropriate settings to be made on the network router. Once Station IP assigned as a station the landing page for the TXMOD settings becomes the Station IP address that was assigned.)
  • Page 11 RFD TXMOD User Manual www.rfdesign.com.au and find what IP was assigned to the TXMOD. You will be able to access the TXMOD interface by typing the IP in a web browser. Advanced users The module must be set up by: - Choosing ‘Station’...
  • Page 12 RFD TXMOD User Manual www.rfdesign.com.au Figure 11 TXMOD update page – Version 1.2 – Status – Issued for use Page Document Number – PRJ-TXM-MAN-001...

  • Page 13: Txmod Internal Rfd900X Modem Settings

    - RFD900x parameters. For further information regarding the internal modem refer to the RFD900x Peer to Peer Firmware and RFDesign Modem 900x Datasheet documents using the links in section Table 3 - RFD900x parameters from RFD900x Peer-to-peer V3.X User Manual V1.3.pdf...
  • Page 14 RFD TXMOD User Manual www.rfdesign.com.au NETID Network ID. TXPOWER Transmit power in dBm. Enables or disables the Golay error correcting code. MAVLINK Enables or disables the MAVLink framing and reporting OP_RESEND Opportunistic resend allows the node to resend packets if it has spare bandwidth...
  • Page 15 RFD TXMOD User Manual www.rfdesign.com.au Set GPIO 1.3 (pin 12) as output with state that mirrors the status LED on the modem GPIO1.0 485 TX control output Set GPIO 1.0 (pin 13) as control signal on DINIO and RS485 interface boards.
  • Page 16 RFD TXMOD User Manual www.rfdesign.com.au Figure 12 - TXMOD modem configuration page. - Settings can be refreshed using the ‘Load Fresh Parameters’ button. - Parameters can be adjusted in the text boxes as required - Apply changes using the ‘Save Params’ button. Note: Changes on the AIR_SPEED, NETID, MIN_FREQ, MAX_FREQ and NUM_CHANNELS parameters should be applied to remote radio settings as well to avoid losing the radio link.

  • Page 17: Vehicle Modem

    RFD TXMOD User Manual www.rfdesign.com.au 3.3 Vehicle Modem The TXMOD bundle should come supplied with a vehicle modem that has the required firmware version. If that is the case, the easiest way to configure it is through the browser interface explained section 3.2.3.
  • Page 18 RFD TXMOD User Manual www.rfdesign.com.au Figure 14 – Vehicle modem configuration on RFD900 tools. - Ensure the firmware on the vehicle modem is the same as the one on the TXMOD. - Update firmware if required by clicking on ‘Upload Firmware’ and choose the *.bin file Note:...

  • Page 19: Ground Control Station Software

    RFD TXMOD User Manual www.rfdesign.com.au 4 Ground control station software Once the modem and Wi-Fi communications are configured it is possible to use the telemetry data stream. The example in this section uses Mission Planner for Windows and Tower for Android. Other software can be used provided it supports Transmission Control Protocol (TCP) or User Datagram Protocol (UDP).

  • Page 20: Antenna Recommendation

    868MHz ISM band can be used. The recommended antenna for the TXMOD is the 3 dBi half wave dipole which is provided in the kit and is available for purchase on the RFDesign store. Figure 17 -: 900MHz Half Wave Dipole Antenna 3 dBi.

  • Page 21: Technical Specifications

    RFD TXMOD User Manual www.rfdesign.com.au 6 Technical Specifications 6.1 TXMOD Power Consumption The graph indicates the current consumption of the TXMOD vs the supplied battery voltage. It should be noted that this graph is generated with the RFD modem configured for 30dBm, or 1 W, transmission.

  • Page 22: Wi-Fi Specifications

    RFD TXMOD User Manual www.rfdesign.com.au Table 6 - Networking and Security Addressing Options Network ID: 0 –255 Channels Up to 50 Frequency Hopping Channels Supported Network Topologies Point to point 6.3 Wi-Fi Specifications Table 7 - Wi-Fi Parameters Wi-Fi Protocols 802.11 b/g/n...

  • Page 23: Txmod Radio Controller Interface

    RFD TXMOD User Manual www.rfdesign.com.au 6.4 TXMOD Radio Controller Interface Table 9 - RC Parameters Parameters Typical Unit Latency TXMOD Supply Voltage Current Draw (peak at input voltage of 5V) 6.5 TXMOD Compliance Table 10 - Compliance AS/NZS 4268 : 2017 FCC 47CFR 15.247...

  • Page 24: Physical Dimensions

    RFD TXMOD User Manual www.rfdesign.com.au 6.6 Physical Dimensions This section provides the TXMOD dimensional drawings. The module it has been designed to fit into the rear expansion bay of an FrSky Taranis X9D. Users may find that it can be fitted to other transmitters.

  • Page 25: Useful Links

    7 Useful Links TXMOD Wi-Fi firmware http://files.rfdesign.com.au/firmware/ TXMOD - Adding S.PORT Support http://files.rfdesign.com.au/Files/documents/TXMOD%20-%20Adding%20S.PORT%20Support.pdf RFDesign Modem Firmware http://files.rfdesign.com.au/firmware/ RFDesign Modem 900x and ux Datasheet http://files.rfdesign.com.au/Files/documents/RFD900x%20DataSheet%20V1.1.pdf http://files.rfdesign.com.au/Files/documents/RFD900ux%20DataSheet%20v1.2.pdf RFD900x Peer to Peer firmware - User Manual http://files.rfdesign.com.au/Files/documents/RFD900x%20Peer-to- peer%20V3.X%20User%20Manual%20V1.3.pdf RFDesign Programming Tools Software: http://files.rfdesign.com.au/tools/...
  • Page 26 RFD TXMOD User Manual www.rfdesign.com.au Revision History Version Date Changes 12/04/2019 Release document 22/05/2020 Format and content updates 27/05/2020 Added S.PORT information – Version 1.2 – Status – Issued for use Page Document Number – PRJ-TXM-MAN-001...

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