DJI A2 Flight Control System for Multi-Rotor Aircraft

DJI A2 Flight Control System with iOSD MARK II and 2.4G BT Data Link

DJI A2 Flight Control System with iOSD MARK II and 2.4G BT Data Link

B&H # DJA2M224BTDL MFR # CB.WK.000001
DJI A2 Flight Control System with iOSD MARK II and 2.4G BT Data Link

Kit includes:


DJI A2 Flight Control System for Multi-Rotor Aircraft DJI iOSD MARK II On Screen Display DJI 2.4G Bluetooth Data Link for DJI iPad Ground Station DJI A2 Flight Control System with iOSD MARK II and 2.4G BT Data Link

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Product Highlights

  • A2 Flight Control for Multi-Roto UAVs
  • iOSD Overlays Flight Data on Video Feed
  • BT Data Link for iPad Ground Station App
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  • 1Description

The A2 Flight Control System with iOSD MARK II and 2.4G BT Data Link bundle from DJI features the A2 flight control system for professional multi-rotor UAVs, the iOSD MARK II on-screen data overlay module, and the Bluetooth Data Link for the iPad Ground Station system. Combined, these components provide control over the aircraft, allow flight telemetry data to be superimposed over the FPV video feed, and enable the creation of "waypoint"-based autopilot course using the Ground Station iPad app. For more information on the items in this bundle, please follow the links below.

Note: Installation may require soldering. Please refer to the user manual for your aircraft.

  • DJI A2 Flight Control System for Multi-Rotor Aircraft
    The A2 Flight Control System for Multi-Rotor Aircraft from DJI provides the autonomy that four, six, and eight rotor aircraft require for stable flight. The A2 breaks down into five main components: the MC (main controller) with CAN-Bus hub and receiver, IMU, GPS, PMU, and LED. The IMU, GPS, and PMU provides the MC with altitude, acceleration, location, orientation, and other data which gets combined with any pilot instructions and translated into motor response. The system supports Quad I, Quad X, Hex I, Hex V, Hex Y, Hex IY, Oct X, Oct I, and Oct V motor mixes. The included receiver is compatible with Futaba FASST series and DJI DESST series transmitters.

    A2 Flight Control System

      The A2 flight control system is comprised of the main controller, IMU, GPS, PMU, and Bluetooth LED indicator

      Main Controller
      The aircraft's equivalent of a CPU. The main controller takes pilot input and, factoring in data from the IMU, GPU, and other sources, instructs the ESCs at the motors. In addition, the A2 main controller incorporates a 2.4 GHz DR16 receiver which is compatible with Futaba FASST series and DJI DESST series transmitters (radio controllers). To connect peripherals, the main unit features a CAN-bus terminal with 12 output channels

      IMU
      The IMU, or inertial measurement unit, is the primary source of information used by the flight controller so that the aircraft can maintain a stable flying condition. It uses a combination of accelerometers and gyros to collect this data

      GPS
      The GPS allows the aircraft to keep track of where it is in two-dimensional flight. This enables various types of assisted flying not otherwise possible, such as keeping the aircraft in a fixed hover while shooting video. A high gain antenna mounts on the end of a stock installed on top of the frame

      PMU
      The power management unit (PMU) regulates power being fed to the flight controller and other components. It features voltage detection and alarming, and has an extendable CAN-bus port

      LED Bluetooth Indicator
      The LED-BTU-I module provides the USB and Bluetooth connectivity required so you can adjust various flight control parameters using a computer or mobile device. Bluetooth wireless communications can be extend using the 2.4G Bluetooth Datalink, which relays Bluetooth data over 2.4 GHz Wi-Fi for use with the iPad Ground Station, a waypoint-based autopilot mapping system
    Intelligent Orientation Control (IOC)
    On multi-rotor aircraft-- as with airplanes--pressing "forward" on the transmitter (radio controller) moves the nose forward. However, because multi-rotors are largely symmetrical, it can be easy to lose track of which way the nose is pointing, causing the controls to become counter-intuitive. To avoid this, IOC--when enabled using the assistant software--defines movement relative to the pilot so that, for example, pressing forward will always result in the aircraft moving forward from the pilot's perspective
    Point of Interest (POI)
    When the GPS signal is good, users can record the current position of the aircraft as a point of interest by a preset switch on the transmitter (radio controller). The aircraft can achieve a circling flight around the point of interest with the nose pointing at the POI in an area of 16.4 to 1,640' radius, when the roll command is given. This function is ideal for shooting of a fixed or stationary object, creating an aerial tracking shot
    Intelligent Landing Gear Function
    Once you enable the Intelligent Landing Gear function in the assistant software, the landing gear will default at the lower position when the aircraft is on the ground. The system will also lower the landing gear in an emergency, the event of motor failure, or on auto landing, to protect the aircraft and gimbal. You can lower or retract the landing gear using a switch when the aircraft's altitude is over 16.4' from the ground
    Return to Home Failsafe
    Assuming the GPS has been properly calibrated and enough satellites are available, the aircraft will automatically return to its home point in the event contact with the transmitter (radio controller) is ever lost

    It is also possible to assign a button using the assistant software that, when pressed, will cause the aircraft to automatically return to the home point
    One-Motor Fail Protection
    Available when the aircraft is in attitude or GPS attitude mode. In the event one motor fails the aircraft can maintain a stable flying condition, enough that it can safely be brought back home and landed
    UPC: 695826511009
  • DJI iOSD MARK II On Screen Display
    The DJI iOSD MARK II On Screen Display is specially designed for a DJI autopilot system and it should be used with multi-rotor aircraft that have either WooKong-M, Naza-M, Naza-M V2 or A2 flight controllers. It can transmit video and iOSD information in real-time, which will help you to obtain the aircraft status information during first-person view (FPV) flights. The iOSD MARK II can display multiple flight information specs including power voltage, flight velocity, height, distance from the home point, horizontal attitude, GPS satellite number and more. The iOSD will even superpose this data onto the video, so the iOSD data is clearly visible. This affords a more immersive and a more involved flight experience.

    Conveniently, the iOSD MARK II is compatible with both NTSC and PAL video source inputs. You can also use an R/C transmitter switch to remotely select which video source input you want to use. The R/C TX switch will change the wireless video transmitter channel remotely as long as you're using a video transmitter specified by DJI. Plus, you can achieve double video alternation during flight by setting one video mode for the aerial camera and the other for the FPV. For added convenience, the iOSD supports online upgrades and a Flight Log Function that will record your flight log data. Other features include access to Assistant Software and a built-in BEC module that sends reliable power to the camera and to the autopilot system's main controller for improved power supply stability.

    Highly-Integrated & Practical Design
    The iOSD MARK II features an integrated and practical design. Many of the Phantom quadcopter's real-time flight information, such as the status and coordinates of the aircraft, are superposed on the video. This gives you a more involved and safer flight experience.
    Interoperates with DJI Flight Control Systems
    The iOSD MARK II should be used in conjunction with a compatible DJI flight control systems, such as WooKong-M, Naza-M, Naza-M V2 or A2. Based on DJI's accumulation of historic and reliable information integration technology, the iOSD MARK II can grab the most accurate first-hand flight data information in the shortest amount of time.
    Accurate Real-Time Flight Data & Video Signal Superposition
    The iOSD MARK II can collect real-time video and flight data, which will provide you with the aircraft's status information during flight. It can display power voltage, flight velocity, height, distance from the home point, horizontal attitude, GPS satellite number and more.
    Double Video Source Inputs Are Switchable During Flight
    The iOSD MARK II supports both NTSC and PAL video input sources. You can select which input source you want remotely using an R/C transmitter switch. By doing this, the pilot can achieve double video alternation during flight and can also set one video input source for the aerial camera and the other one for FPV. This will ensure that the nose direction of the aircraft is under control and that your aircraft will safely return after filming sessions.
    Switch Remote Video Link Channels in Real-Time
    The R/C TX switch can also change the wireless video transmitter channel remotely as long as you use the wireless video transmitter designated by DJI. This design avoids the inconvenience of having a manual switch on the ground. Plus, should there be any video signal interference during flight, the pilot can switch channels immediately to finish the flight mission.
    Flight Log Function
    The iOSD MARK II can record your flight log, which will help you record the input and output information of every channel, GPS signal, power voltage, home distance, height and more. The original iOSD V1 requires a firmware upgrade in order to take advantage of the Flight Log Function.
    Free Online Upgrades
    The iOSD MARK II has a micro-USB interface for future online upgrades in order to provide a better user experience and free functional escalation.
    Built-In BEC Module with Support for the 3S - 6S Lithium-Polymer Battery
    The iOSD MARK II's built-in BEC module uses the Phantom's 3S - 6S lithium-polymer battery to provide a power supply for the camera and for the main controller. Having a built-in BEC module allows you to change the output voltage. Plus, it ensures that stable output current is provided without an extra battery pack. The use of a BEC module makes the aircraft lighter, while making the voltage more stable and more reliable. It also means you'll have less batteries to worry about.
    User-Friendly Assistant Software
    The iOSD MARK II features Assistant Software. It also supports online upgrades that make it easy for you to acquire enhanced and improved functionality. Users with the iOSD V1 can upgrade to the iOSD MARK II and enjoy enhanced features including the Flight Log Function.
  • DJI 2.4G Bluetooth Data Link for DJI iPad Ground Station
    The DJI 2.4G Bluetooth Data Link is a component for the DJI iPad Ground Station. It features two transceivers to facilitate wireless communication between aircraft and iPad with a range of up to 1148' line-of-sight. One transceiver is installed in or on the aircraft and integrates with the flight control system via the CAM bus, the other remains at the ground-end to pick the Bluetooth signal from the iPad.

    The 2.4G Bluetooth Data Link provides the wireless link required for data and control transmission by the DJI iPad Ground Station system. The Ground Station is a portable beyond visual range (BVR) solution for multi-rotor RC aircraft using A2, WKM, Naza-M, or NAZA-M V2 flight controllers. Via the Ground Station iOS app you are able to practice in a flight simulator, map an autopilot course using "waypoint" navigation, fly the aircraft manually using virtual joysticks, monitor flight attitude in real-time, and more.
    Relays Bluetooth signal from iPad to aircraft and features a range of up to 1148' line-of-sight
    Use in conjunction with Ground Station app for iOS to create a portable control platform for beyond visual range (BVR) flying
    Supported flight control systems include: A2, WKM, Naza-M and NAZA-M V2
    Ground Station iOS App Capabilities
    • Customizable touchscreen interface designed to recreate feel of traditional dual joystick RC radio controllers
    • Map out flight plan for autopilot system using "waypoint" navigation and update in real-time
    • Edit home point and trigger Go Home function
    • Supports one key takeoff and landing
    • Flight simulator to practice before you fly
    • Telemetry provides real-time flight attitude feedback
In the Box
  • A2 Flight Control System for Multi-Rotor Aircraft
  • LED-BTU-I LED Bluetooth Indicator for A2 Flight Control System
  • MC for A2 Flight Control System
  • PMU for A2 Flight Control System
  • GPS Bracket for A2 Flight Control System
  • IMU Module for A2 Flight Control System
  • GPS-PRO Module for A2 Flight Control System
Table of Contents
  • 1Description
  • DJI A2 Flight Control System for Multi-Rotor Aircraft
    Supported ESC Output 400 Hz refresh frequency
    Supported Transmitters With Built-in Receiver: Futaba FASST series and DJI DESST series
    Supported External Receivers Futaba S-Bus, S-Bus2, DSM2
    Other DJI Products Supported Z15, H3-2D, iOSD, 2.4G Bluetooth Data Link, and S800 EVO
    Hovering Accuracy (GPS Mode) Vertical: ±1.6' / 0.5 m
    Horizontal: ±4.9' / 1.5 m
    Maximum Wind Resistance < 26.2 fps (8 m/s) / 17.9 mph (28.8 km/h)
    Maximum Yaw Angular Velocity 150 deg/s
    Maximum Tilt Angle 35°
    Ascent/Descent ±19.7 fps / 6 m/s
    Power Requirements Maximum: 5 W
    Typical: 0.3 A at 12.5 V
    System Requirements Assistant Software: Windows 8, 7, or XP SP3 -- 32 or 64-bit
    Operating Temperature 23 to 140°F / -5 to 60°C
    Dimensions Flight Controller: 2.1 x 1.5 x 0.6" / 54 x 39 x 14.9 mm
    IMU: 1.6 x 1.2 x 1" / 41.3 x 30.5 x 26.3 mm
    GPS-Compass Pro: 2.4" (diameter) x 0.6" / 62 mm (diameter) x 14.3 mm
    LED-BTU-I: 1.2 x 1.2 x 0.3" / 30 x 30 x 7.9 mm
    PMU: 39.5mm x 27.6mm x 9.8mm
    Weight Overall: 7.9 oz / 224 g
    Packaging Info
    Box Dimensions (LxWxH) 6.9 x 4.7 x 2.7"
  • DJI iOSD MARK II On Screen Display
    Ports Micro-USB port x 1
    Control signal input port x 1
    Video signal AV output port x 1
    Video AV input ports x 2
    CAN-Bus port x 1
    Power battery input port x 1
    Video Input Format NTSC
    PAL
    Video Output Format NTSC
    PAL
    Functions Supported 1. iOSD information transmission
    2. Video transmission (dual video signal channels and switch)
    3. Channel switch (wireless video transmitter specified by DJI)
    4. Supports DJI Z15
    Supported Flight Control Systems WooKong-M
    Naza-M
    Naza-M V2
    A2
    Rated Power 1.25 W
    Current 60 mA at 25.2 V (typical)
    103 mA at 12.6 V (typical)
    Voltage 3S - 6S
    Input Voltage Range 11 - 26 V
    Operating Temperature -4 to 140 °F (-20 to 60°C)
    Dimensions (WxHxD) 2.05 x 1.61 x 0.43" (52.00 x 41.00 x 11.00 mm)
    Weight 1.98 oz (56.00 g)
    Packaging Info
    Box Dimensions (LxWxH) 7.4 x 4.0 x 0.1"
  • DJI 2.4G Bluetooth Data Link for DJI iPad Ground Station
    General
    Compatibility Supported Flight Controllers: A2, WKM, Naza-M, Naza-M V2
    Supported Mobile Devices: Apple iPad with Bluetooth 4.0 (such as iPad3, iPad4, iPad Mini)
    Mobile App Requirements: iOS 6 or later
    Included Software Requirements: Windows
    Frequency Band 2.4 GHz (2400MHz - 2483MHz)
    Wireless Range Indoor / Urban Environment: ≤ 1148' (350 m)
    Outdoor Line-of-sight: ≤ 1.2 miles (2 km)
    RF Data Rate 1536 kbps
    Serial Data Rate 115200 bps
    Transmit Power ≤ 125 mW
    Receiver Sensitivity (1% PER) -94 dBmW
    Current Transmitting Signal: 0.18 A @ 12.5 V
    Receiving Signal: 0.30 A @ 6V
    Operating Temperature 14 - 140°F (-10 - 60°C)
    Ground End
    Connectors 1x USB Type A Female (for PC connection)
    1x BMU Module Port
    1x DC Power Connector
    Antenna Type SMA
    Power Consumption ≤ 2.3 W
    Voltage 9.9 - 25.2 V
    Dimensions 2.9 x 1.9 x 0.7" (73 x 47.8 x 17.1 mm) - without antenna
    Weight 3.3 oz (93 g)
    Air End
    Connectors CAN-Bus Port
    Antenna Type Integrated
    Power Consumption ≤ 2.3 W
    Voltage 6 V
    Dimensions 2 x 1.4 x 0.4" (49.8 x 36.4 x 11.4 mm) - without antenna
    Weight 1.1 oz (32 g)
    Packaging Info
    Box Dimensions (LxWxH) 7.8 x 6.0 x 2.5"
B&H Hands-on Learning Videos
  1. DJI A2 - Assistant Software Tutorial 5:01
  2. DJI A2 - Connection Instructions 1:21

DJI A2 Flight Control System with iOSD MARK II and 2.4G BT Data Link Review

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