Installation and operating instructions for Gyro GY520 No - RC-Toy
Contents
1. move the tail rotor stick from left to right 3 x wit hin 1 second The servo will then move to its programmed neutral po sition Check whether all Tx settings Idle up flight phase switch etc are cor rectly programmed and stored by the LED display Should the LED flash slowly purple then the tail rotor trim position has been moved for this flight phase Return the trim lever to its correct position robbe Modellsport Start the Motor hover and fly in AVCS Mode and adjust the gain ac cording to the above described methods Check in AVCS Mode that the gain is set lower than in Normal Mode Note We would like to point out that the automatic that the automatic sto rage of the neutral point in AVCS Modus 3 x movement of the auxi liary channel within one second can sometimes lead in unfavourable interference conditions can lead to an incorrect setting The resulting wrong setting of the tail rotor neutral point can lead to a poor or un controllable control of the tail rotor We therefore recommend that you only use a PCM or 2 4 GHz Rx to avoid this effect Should a PPM FM System nevertheless be used it is very impor tant to ensure that the system has an excellent range This particularly important when in flight where some manoevres which cause a dramatic change in the aerial position such as the stall turn which will highlight a poorly aligned particularly when mixers are in operation RC System s2. control response set tings Press Push button for 3 seconds 7 5 Response Settings This menu will adjust the gyro Response settings We recommend the use of Standard or Slow mode settings for 3D and small electro helis For larger and heavy scale models the Fast mode setting is recommended Try all settings in flight to see which one best suits your flying style and the model Activate the rapid flash sequence on the LED by pressing Push to switch to settings ED Status x blue flashes To switch to Data Reset to factory defaults press Push button for 3 seconds x red flashes x purple flashes 7 6 Data Reset to factory default settings Activate rapid flashing by pressing Push and when flashing press Push 3 x times The LED flashes purple to indicate that the data has been reset to factory default settings The Default Settings are Servo Mode gt Digital servo Neutral 1520 us Gyro rotation gt Normal Limit Setting gt 420 us 100 Flight Mode gt F3C Response Setting gt Standard To exit the programming menus switch the power off to the Rx and gyro 8 LED indicator and Gyro Status LED Monitor a lee lashes slowly red reat lera mode dormant blue light AV mode dormant _ red light La robbe Modellsport 9 Adjust and store the neutral point The gyro needs to store the tail rotor servo neutral point L
3. range limit A corrupt radio signal can under these extreme conditions lead to a command being interpreted by the gyro to move the servo neutral point 15 Accessories For Windows Vista XP 2000 operating systems A GYconfig Datei Lesen C Hilfe H Geratenummer Reaktions Einstellung Heckrotor AVCS Einstellungen 205 Modus Ss ser ii ITEN a Schne O Standard O Langs Gier Rate T Empfindlichk 40 ___ OO O 3 Einstellung Normal Mode n BUS Kanal g E 7 300 Heckr Y 2 Rechts Bereich Empf 3 r 7 Links 7 D Verst Flug Modus Einstellung AVCS Rx connector lead GY520 aoe aecieetingeng EN pote The Rx connector lead for the GY520 has a double male plug This Basis Verst 50 has the advantage that when using the gyro in different size helico E ME pters the correct length of lead can be selected for the installation Pama 80 Links Eingang Analog Enter LinksfAusgan Following leads are available as accessories pare a an No 4090 Connector lead GY520 red and black 65 mm O Reverse Exponentialfunktion No 4091 Connector lead GY520 red and black 90 mm Se See vere No 4092 Connector lead GY520 red and black 140 mm Normal m r No 4093 Connector lead GY520 red and black 215 mm RSE E S Software Tor GY520 gyro Software for GY520 gyro may be found in the Download area of the robbe Service Center on the robbe Homepage The
4. 1 General 2 Contents Futaba 3 Technical Data e Features Functions 4 Installation Installation and operating instructions 5 Connection Standard parallel for 5 1 Connection S BUS serial 6 Setting u Gyro GY520 7 G Menu No F 1244 7 1 Servo Mode selection 7 2 Gyro normal reverse rotation 7 3 Limit Setting Tail rotor throw 7 4 Flight Mode F3C 3D 7 5 Response Selection 7 6 Data Reset to factory default 8 LED indicator and Gyro Status explanation 9 Adjust and save the neutral position 10 Adjust the gyro sensitivity 11 Tail rotor servo linkage 12 Check of servo direction 13 Check of the gyro sense 14 Operation of the GY520 in AVCS Mode O 0 GQ JO OOO Q AA E EL LGG M M M 15 Accessories 10 16 After life disposal 11 17 Declaration of Conformity 11 18 Guarantee 11 19 Service addresses 12 You have chosen a precision system with the GY520 gyro Although the operation of this gyro is easy the programming does re quire a basic knowledge by the user The instructions are written to help you become confident in its use Therefore the instructions must be read and understood before in stallation and use of the Gyro 1 General The GY520 gyro is a particularly small and light high performance gyro suitable for all types and classes of helicopters It is suitable for both electro as well as internal combustion IC powered helicopters Due to the use of highly integrated MEMS Micro Elect
5. 9 robbe Modellsport 18 Guarantee Naturally we guarantee this gyro for the statuary period of 24 months If you believe you have a valid claim under guarantee please contact your dealer in the first instance as he is responsible for processing guarantee claims During this period we will correct any operating faults production de fects and material faults which arise at no charge to you We will not entertain any claims beyond these terms e g consequent damage Goods must be sent to us carriage paid we will pay return carriage Goods sent without pre paid carriage will not be accepted We accept no liability for transit damage and the loss of your ship ment we therefore recommend that you take out suitable insurance to cover these risks Send the unit to the Service Centre responsible for your country The following conditions must be fulfilled if we are to process your guarantee claim e Send proof of purchase till receipt with your shipment e The unit must have been used in accordance with the operating instructions e The unit must have been operated with the recommended power sources and genuine robbe accessories e The unit must not exhibit damage due to damp unauthorised in tervention excessive voltage overload conditions or mechanical stress e Please include a concise accurate description of the fault or de fect as this helps us locate the problem quickly 19 Service Centre Addresses Country Co
6. Mode gt F3C Reaction adjustment gt Standard 6 Operation The use may begin as soon as a digital servo with neutral point of 1520 US is available Tip In this mode do not use an analogue servo due to the high fre quency it can damage the servo beyond repair To connect an analo gue servo first change the servo mode to Analogue and then you can connect a servo e Switch on Tx e Switch on Rx e The gyro start sequence begins Tip If the LED slowly flashes red there is no Rx input signal e Warm up gt LED flashes slowly blue e Sensor alignment gt LED flashes blue quickly During the sensor alignment do not move the model gyro for 3 5 seconds e After alignment LED flashes red AVCS Mode LED blue Normal Mode The tail rotor moved 4 times left and right to signal that the gyro function is now active robbe Modellsport 7 Programming Menu The important programming adjustments can be made directly on the gyro without having to connect the gyro to a PC By using the side mounted Push button and the LED monitor the following program ming adjustments can be made Firstly power up the gyro as described above Activate the programming menu Press Push button for 3 seconds 7 1 Servo Mode The gyro witches to program mode and the flash sequence 1 begins to show and allow programming of the Servo Mode LED Status Program ingle blue flash Digital servo Neutral 1520 us Single red flash Digita
7. ain to 100 ATV AFR 100 4 lt 4 Q z LINEAR Naturally a switch can be used as an alternative to the linear poten tiometer but this will only allow switching between modes The gain will have to be set by using percentage values in channel 5 ATV or AFR Menus The Tx flight phase programs may also be used to switch different set tings on and off The FutabaT14MZ T12FG T12Z FX 40 and FX 30 systems are set as standard without the gyro channel active These radio have a special gyro setting menu which has the mode as well as gain pre set and to be switched on or off by a separate switch or flight phase If you require the gyro gain to be adjusted by a linear slider then gyro 1 or 2 must be selected in the function menu It should be noted that the settings in the menu and control inputs on the slider could work against each other robbe Modellsport N anad 100 Kreisel Er Heli HR3 120 Grad Schwebeflug T Feinabstimmung 1 ENE ETE Geber Rate o el l 73 L 3 Status Rate 1 Pen a rate 2 PE T ER ee 6 ate EM ES TN SE E 40 Here is an example of the settings required for the tail rotor gain The menus vary according to the Tx so please see the individual radio instructions to be able to adjust your own Tx Recommendations for gyro gain The correct gyro gain is dependent upon the helicopter model and the servo used Basically the higher the quality and speed of the servo
8. eave the Tx stick in the neutral position Then switch the Tx and Rx on The servo neutral will be automatically stored during the switch on sequence Each time the radio is switched on then the Tx stick and trim must be left in the neutral position The neutral position of the servo will always be correctly stored according to the stick and trim positions during switch on sequence 10 Setting the Gyro gain The gyro gain may be adjusted proportionally between 0 100 from the Tx At 0 gyro gain the gyro stabilisation is turned off So that you are able to use the maximum gain check that the servo does not hit the mechanical limits see Limit Settings When using a robbe Futaba Tx the gyro gain uses channel 5 This channel should be a proportional control with a slider or rotary poten tiometer You then have the possibility to adjust the gyro mode and gain in flight to suit flight and a weather conditions The Tx control to gyro gain relationship is illustrated in the following diagram The control travel is split into two areas From the middle to the top the gyro works in AVCS Mode between 0 100 In the middle with the gain set to 0 the gyro is turned off DVO gain Tx Control From the mid point to below the gyro works in Normal Mode from 0 100 Following this method and using a linear control you are able to switch gyro mode and also adjust the gain fully proportionally A pulse value of 500 us sets the g
9. l servo Neutral 760 us ingle purple Tash Servo recommendations Digital servo 1520 us S 9254 S 9257 S 9253 BLS 254 BLS 257 Digital servo 760 us S 9256 S 9251 BLS 251 When pressing the Push button the LED will flash rapidly during this time the program Selection can be made with repeated pressing of the Push button When programming is completed the LED will switch to a slow flas hing sequence to indicate Display Mode If the settings are changed then the colour of the LED will also change If you need to make furt her changes to the settings then the LED colour will also change then activate the fast flashing mode by pressing Push and make any ad justments by using the Push button during the fast flashing stage Paging step by step through the various pre programmed factory set tings will make selection of settings Digital 1520 gt Digital 760 gt Ana log gt Digital 1520 etc To reverse gyro sense press Push button for 3 seconds 7 2 Gyro normal reverse rotation As previously described activate the short flashing sequence and switch to programming mode LED Status 2 x blue flashes 2x red flashes To access the Limit Setting press the Push button for a further 3 seconds 7 3 Limit Setting To avoid damage to the servo if it hits its mechanical limit release the tail rotor control linkage before programming the servo throw limits Limit adjust is a separate adju
10. le to check the correct sense of the GY520 it needs to be chanical end stops working like a conventional gyro Therefore Normal Mode must be turned on in the Tx During flight this will prevent overloading and damaging the servo du ring flight Lift the helicopter up by hand and rotate it quickly to left the gyro should now control the tail rotor blades as in the sketch If it works in the opposite direction then the gyro rotation direction must be re ver sed in the Gyro Rotation menu robbe Modellsport 8 14 Operating the GY520 in AVCS Mode After setting the Normal Mode you may now set up the gyro for AVCS operation Set the tail rotor trim to the same value as that used in the Normal Mode To ensure that the Neutral position is identical in Normal and AVCS Modes one can automatically set the AVCS neutral to the same set ting as that used for the Normal Mode Use the following procedure Set the tail rotor stick to the neutral position in Normal Mode slide the Tx linear slider control channel 5 gyro sensitivity 3 x back and forth between maximum and minimum throws Normal and AVCS Modes within one second to set the gyro to AVCS Mode This method will store the AVCS Mode neutral position The monitor will make a rhythmic single flash This position will be stored when switching on again Special case To be able to lift off in AVCS Mode in the neutral position and also to recall the set value
11. mpany Steet frown freephone fax Mat AND 00130 Les escaldes Suaka fvomanoun oroas T TT H I H TT T TT HT robbe Form BBAJ robbe Modellsport 12
12. n the model with a dou ble sided foam pad and the gyro mounted to this plate with an addi tional foam pad robbe Modellsport Gyro Foam pad 90 Damper plate ee H Foam pad s Chassis nandi Monitor LED mss button Auxiliary channel gyro gain B g Tail rotor To Receiver output IL Auxiliary chan Tail rotor channel nel Red Black 5 Connection Standard parallel A vibration damped mounting is extremely important because the MEMS Sensor will detect the smallest of movement For electro helis we recommend using just the 2 mm Foam Pads for IC helis use 2 of the 3 mm pads plus the damper plate Take care during the assembly and connection that the gyro case does not touch any other part of the helicopter The cables must not be under tension or the damping of the gyro will be affected Take care that the cables cannot transfer any vi bration from the Helicopter Chassis to the gyro Secure the cables also 5 1 Connection S BUS serial Later and when receivers are available with a serial S BUS output it will possible to connect only the S BUS lead to the gyro socket R The lead to the auxiliary channel will no longer be necessary The tail rotor servo will continue to be plugged into the S socket on gyro Factory standard settings of the gyro Servo Mode gt Digital servo neutral 1520 us Gyro reverse gt Normal Limit adjustment gt 420 us 100 Flight
13. ric Mechanical System Technology the sensor element and the digital control elec tronics can all be housed in a compact case Fitted with a novel wear free MEMS semiconductor sensor the gyro has a soft feel on the tail rotor and at the same time having a solid lock when needed The gyro may be operated in normal or in AVCS modes Active Angular Velocity Control System which is similar to a Heading Hold Lock System Note In AVCS mode the pitch to tail mixing Revo Mix is not operable This is also not absolutely necessary in Normal Mode either When the model is disturbed e g side wind and in normal mode the gyro will only try to give a control signal correction only as long as the tail rotor servo is trying to move the tail of the helicopter As soon as the tail movement has stopped then the gyro stops trying to correct any unwanted movement of the helicopter In AVCS mode the gyro will continue to correct the tail position with a control signal to the servo until the helicopter returns to its original position robbe Modellsport 2 Contents 1 GY520 gyro 1 350 mm red connecting lead 1 350 mm black connecting lead 2 Double sided adhesive foam pads 2 mm 2 Double sided adhesive pads 3 mm 1 Metal plate damper 1 Mini screwdrivers 3 Technical Data GY520 Gyro Operating voltage Temperature range 4 8 6 Volt at receiver output 15 C to 45 C Weight 6 9g or 10 g incl
14. software allows easy configuration and programming of the gyro to be made http www robbe com rsc html downloads htm The programming and settings for different models can be stored as separatedata files on your PC USB Adapter CIU 2 No F 1405 For this then the USB Adapter No F 1405 is necessary Suitable Adapter to adjust Servo Speed Control and Gyro parameters with PC drivers for Windows Vista XP 2000 operating systems area also avai Software lable to download on the robbe website robbe Modellsport 10 16 After life disposal This symbol means that you must dispose of electrical and TS electronic equipment separately from the general household waste when it reaches the end of its useful life Take your equipment to your local waste collection point or recycling centre This applies to all countries of the European Union and to other European countries with a separate waste collection sy stem 17 Declaration of Conformity robbe Modellsport GmbH amp Co KG hereby declares that this product satisfies the fundamental requirements and other relevant regulations contained in the appropriate CE directives The original Conformity Declaration can be viewed on the Internet under www robbe com click on the logo button marked Conform which is included in each device description LE robbe Modellsport GmbH amp Co KG Metzloser Strasse 38 D 36355 Grebenhain Telefon 49 6644 870 www robbe com Copyright 200
15. stment of the maximum right and left servo travel The tail rotor travel is increased by the gyro and is 150 of the normal servo travel Activate the rapid flashing by quickly pressing the Push button se lect the left travel by moving the tail stick on the Tx to the left and press Push Thereafter move the stick to the right and press Push again The LED switches to a triple flash sequence After setting the approximate servo travel re connect the linkage to make the fine adjustments to servo travel Press Push again and ad just the exact travels for left and right or reversed Tip The servo travel limit settings must be at least 50 each side other wise settings less than 50 will not be stored and this is to ensure that sufficient servo travel is available to effectively maintain control of the model If the LED shows red then the limit value is set lower than 50 and will not be stored robbe Modellsport If The LED lights blue then the settings are above 50 correct and will be stored To make Flight Mode selection press Push button for a further 3 seconds 7 4 Flight Mode Activate the rapid flash sequence by pressing Push and switch to settings Axblueflashes F830 Mode In F3C Mode the gyro has a very precise control of the tail rotor and in 3D Mode the priority is to have a quick reaction to the control input made by the tail stick signal To switch to the
16. the higher the in flight gain can be set Recommended settings With rotor diameter larger than 120 cm Hover 70 100 Circuit flying 30 60 for smaller helis use lower values The opti mum setting is to use a percentage gain set just before tail wagging starts 11 Tail rotor servo linkage After turning on the radio ensure that the servo arm is at 90 right an gles to the servo case Choose a servo arm around 15 18 mm long and check linkage for no binding slop free and light operation 12 Check servo rotation Gyro rotation When moving the Tx tail rotor stick to the left then check that the tail ao a so rotor works according to the sketch If it works in the opposite control sense then the direction of the servo must be reversed in the Tx Servo Reverse menu W Clockwise rotor system anti clockwise rotor system anti clockwise rotor sy stem Check the gyro rotation before each take off wy Clockwise rotor system anti clockwise rotor system anti clockwise rotor sy Set tail rotor throws to maximum Tip S Take care that correct base set up of the tail rotor pushrod is made first and then set the throws Move the tail rotor Tx stick to left and right and set the trim for maximum throw in each direction Limit Set 13 Check gyro rotation ting such that the servo and tail rotor linkages do not reach the me To be ab
17. uding connectors Current draw 40 mA without servo Dimensions 20 7 x 20 7 x 10 4 mm Control frequency Sensor rate range 1520 us 280 Hz 760 us 560 Hz 800 second Features e Particularly fast reaction due to the High Speed Microprocessor and the pure digital signal processing and control is faster than the GY401 Soft control feel but still having a hard lock Symmetrical rotational rate for left and right Detects the smallest angular speed changes Antistatic Case material protects against electrostatic dischar ges and interference e Very small and light due to use of SMD Technology Functions e Step less gyro gain adjustment from transmitter Tx Switchable between Normal and AVCS Modes from Tx Adjustable gain Adjustable to suit maximum left and right tail rotor servo throw Limit Selection of Digital or Analogue servos Selection for Flight style F3C soft and 3D hard Selection of servo neutral position 1520 760 us LED Monitor to display the current gyro status Programming with a single button on gyro Software to program on PC USB Adapter required Integrated S BUS System 4 Installation Attach the supplied foam pads to the gyro case and mount on a vi bration free part of the helicopter chassis Mount it so that the gyro base is at right angles 90 to main rotor shaft For helicopters with high levels of vibration and IC powered models the metal damper plate should be mounted o
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