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PowerBox Systems iGyro SRS Instruction Manual
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PowerBox Systems iGyro SRS Instruction Manual

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Instruction Manual
07/2015
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Summary of Contents for PowerBox Systems iGyro SRS

  • Page 1 Instruction Manual 07/2015 ®...
  • Page 2 We hope you have many hours of pleasure and success with this new type of gyro system. 1. Product description The PowerBox iGyro SRS is a special gyro system intended for fixed-wing model aircraft. At the development stage our constant aim was to combine maximum versatility with simplicity of operation. The system incorporates a regulatory algorithm specifically developed for fixed-wing models, which causes hardly any alteration in the model’s familiar flying...
  • Page 3 3. Fundamental factors for the understanding of the iGyro 3.1. Special characteristics of the regulatory algorithm: The PowerBox iGyro SRS operates on all three axes, i.e. aileron, elevator and rudder. The gyro has two different working modes: - Heading mode: this mode is active when the transmitter stick is at the centre position of the corresponding control surface.
  • Page 4 influences. An example of this would be a gust of wind, which would normally cause the model to deviate from its course, but the gyro counteracts the unwanted movement either entirely or to a great extent, depending on the gain setting selected by the user. As can be seen from the diagrams above, gyro gain is suppressed progressively as control travel is increased.
  • Page 5 Important: The GPS II used for the iGyro is also capable of determining speed in vertical flight, which prevents oscillations even in a dive. Only tailwinds and headwinds cannot be taken into account when the system is calculating the model’s actual speed. However, this has a negligible effect on the stability of the model, even when the wind is strong.
  • Page 6 4. Step-by-step procedure for setting up the iGyro 4.1. Installing the iGyro 4.2. Installing the GPS II sensor 4.3. Operating the unit, the menu control system 4.4. Selecting the radio control system 4.5. Setup Assistant Note: Text passages in bold italics are printed exactly as found in the iGyro menu, or on the label attached to the case.
  • Page 7 Futaba, Spektrum SRXL, M-Link, HoTT and Jeti system, without PowerBox power supply system: Up to two receivers can be connected to the iGyro. The servos for 2 x aileron, 2 x elevator and 1 x rudder are plugged directly into the iGyro. Additional channels, such as throttle or retracts, can be connected to the remaining receiver outputs.
  • Page 8 Any radio control system with PowerBox power supply system: Connect both receivers (or just one) to the serial output of the iGyro. The channels which are to be gyro-stabilised should be connected from the iGyro to the input of the PowerBox. All the other channels can be connected directly from the receiver to the PowerBox.
  • Page 9 Any radio control system in conjunction with the SRS PowerBox: Spektrum satellites should be connected to the white inputs labelled SAT; all other receivers to the two serial BUS inputs. Select the DIG-OUT point in the TX Settings menu at the iGyro, and set it to ON. Set S-BUS as radio control system at the SRS PowerBox.
  • Page 10 4.2. Installing the GPS sensor The GPS II sensor does not need to be installed in a particular position or attitude; it can simply be mounted at any point in the model using the double-sided self-adhesive tape supplied in the set. To ensure best possible reception, the sensor should be located in an area of the model low in vibration, and spaced well away in all directions from parts containing carbon fibre or metal.
  • Page 11 Bear in mind the following points: a) Futaba FASST and FASSTEST: The iGyro SRS works with the S-BUS signal. Many receivers require one output to be re-assigned to S-BUS: - R7003SB: no adjustment necessary; signal present at “PORT 1”.
  • Page 12 The S-Bus socket fitted to many Futaba receivers is a potential hazard. The two pictures below illustrate the correct connector position: correct incorrect Other receivers with an S-BUS output can also be used; please refer to the set-up notes included in the instructions supplied with the receiver. b) Spektrum DSM2 and DSMX If you are using a Spektrum AR 9020, the SRXL output can be used: all eighteen channels are then available without requiring an X-Plus module.
  • Page 13 RG731BX. The receiver or receivers are first bound, then set to MODE A at the transmitter. The X-BUS output now generates sixteen channels, which are accessible from the iGyro SRS. Digital output: The Digital output can be used in order to connect the iGyro to an SRS PowerBox or directly to an S-Bus system.

  • Page 14: Setup Assistant

    4.5. Setup Assistant Here at PowerBox-Systems we are committed to making high-tech electronics accessible to all pilots without requiring them to tackle complicated programming procedures. Our top priority is to make it as simple as possible to operate the equipment without restricting its performance.
  • Page 15 The only preparations you have to make are these: - Enter the radio control system you wish to use in the RX SETTINGS menu (Point 4.4) - Assign a three-position switch and a rotary knob or linear slider at the transmitter The next stage is simply to select the Setup Assistant at the iGyro, and follow the on-screen instructions.
  • Page 16 Add-On Manual 4.6. Flächentyp einstellen When the Test Fly Assistant is complete, the set-up procedure for the gyro is finished! 5. Experts and manual adjustments All parameters established using the Setup Assistant can also be adjusted manually. The system offers a whole series of additional adjustment options to cater for particular set-ups, such as thrust vector control systems.
  • Page 17 Here are two examples which should avoid the need for protracted explanations: a) The iGyro is installed with the screen on top, and the switch socket facing the fuselage nose. The correct setting is therefore: SCREEN: UP/DOWN SWITCH: BACK/FRONT b) The iGyro is installed with the screen on top, and the switch socket facing the wing.
  • Page 18 The Delta x2 function is intended specifically for models with a delta wing and a twin thrust vector control system, and allows the thrust vector system to be operated in combination with a delta mixer. The second delta mixer is available at outputs AILERON-B and ELEVATOR-B. 5.3.
  • Page 19 5.5. Channel assignment Modern SRS bus technology makes it possible to assign channels to particular functions without restriction. The menu point INPUT MAPPING is used to assign a channel to any function. There are various functions which can be mapped in this way. In the examples below we show the method of assigning the ailerons and the flight mode switch: For example, if you wish to adjust the ailerons again after completing the settings using the Setup Assistant, you can very simply assign a slider or...
  • Page 20 If you wish to assign a channel, use the SET-button to select the appropriate function, then move the stick, rotary knob or switch which you wish to assign. Make sure beforehand that the transmitter control in question is already assigned to a channel at the transmitter. Note: automatic detection only works reliably if only one channel per transmitter control is assigned at the transmitter.
  • Page 21 Note: any change you make to the gain setting always applies to the selected flight mode only! Different gain values can be set for each flight mode! - Gain Heading: Here you see the Heading gain setting for the axis you have set up. At this point it is possible at any time to alter the gain manually using the SensorSwitch.
  • Page 22 increasing speed and high gyro gain. - Boost: Boost is one of the iGyro’s “expert functions”, and its basic purpose is to provide better stabilisation for models which are very unresponsive. In extremely windy conditions this function may also provide a better corrective effect.
  • Page 23 5.8. Airspeed Settings During a flight the iGyro automatically accepts the new maximum speed values which are passed to it, and adjusts its stabilising behaviour to suit. If you ever need to reset this value - perhaps when you switch to a different model - this can be accomplished in the AIRSPEED SETTINGS menu.
  • Page 24 6.3. Status monitor You will see this display when you switch the system on: - TEMP: The value following TEMP shows the current temperature of the MEMS sensor. The value is purely for information purposes, as MEMS sensors are largely insensitive to temperature fluctuations. - FLIGHTMODE shows the currently selected flight mode.
  • Page 25 6.4. Reading out the flight recorder RF-Flight Recorder display accessed briefly simultaneously pressing buttons I and II on the SensorSwitch: Antenna Fades: This item displays the lost data packets for the individual receivers. Lost Frames: This value shows how many occasions a valid data packet was not supplied by any of the connected receivers.
  • Page 26 7. Specification Operating voltage: 4.0 V - 9.0 V Current drain, iGyro: 51 mA Current drain, GPS: approx. 60 mA Maximum current: min. 10 A Receiver: Two, using serial inputs RC systems supported: Spektrum SRXL, DSM2 / DSMX, Futaba, HOTT, M-Link, Jeti Gyro sensor type: MEMS Number of sensor axes:...
  • Page 27 8. Dimensions 9. Set contents, depending on package - PowerBox iGyro - GPS II sensor - SensorSwitch - USB Interface Adapter - 2 Uni patch-leads, 2-core - 2 Uni patch-leads, 3-core - 2 self-adhesive pads, large - 2 self-adhesive pads, small - Operating instructions in German and English - Add-on manual for “Setup Assistant”...