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Receiver & Servos

STEP1:

Set the transmitter to single-servo CCPM

(Futaba: H-1; JR/Spectrum: 1sNORM; Hitec: 1-Servo 90°).

Connect the receiver to the Main Controller input servo ports.

R/C Receiver
(Futaba / Hitec)

R/C Receiver
(JR)

AUX2

AUX1

GEAR

RUDD

ELEV

RUDD

THRO

AILE

ELEV

GEAR

AUX1

AUX2

For Control Mode Switch

For collective pitch or up/down

For gyro sense adjusting

For rudder control

For throttle control

For cyclic pitch or front/back

For cyclic roll or left/right

STEP2:

Connect the cyclic servos and throttle servo or ESC (

NOT

the rudder servo) to the

WKH output servo ports using the diagram corresponding to the swash type of your

helicopter.

For swashplate servos

THR

For throttle servo or ESC

RUD

For rudder servo

Reserved for further usage.

120

HR3

H140

HE3

*S3: Collective Pitch

Battery or BEC

WKH uses the same power source as the servos and receiver; power to all electronics connected to the Main Controller can be supplied

by either servo input or output ports on the Main Controller. WKH operates with a power source between 4.8to 8.4 volts DC. When

choosing a power source, bear in mind that all servos and WKH will use that same power source, thus please make sure the power

source you use will also satisfy the servo requirements. A high capacity battery of 2000mAh or above is strongly advised, especially for

large scale electric powered helicopter. Depending on servo types, digital servos will require 10A BEC for multi-bladed applications.

The power consumption of WKH is 5W maximum (testing condition:0.9A@5V).For some small scale helicopters, the BEC

provided may not be able to supply enough overall power consumption, please use high performance BEC.

Содержание WooKong HELI

Страница 2: ...your computer Please pay attention at Lite for the difference between WKH and WKH Lite Icons seen in this document FORBIDDEN Please refer to the page s mentioned TX R C Transmitter configuration required WKH Assistant configuration required CAUTION Assembly Mounting Tips General Tips Correct Wrong Contents DJI WKH Introduction 3 Package Contents 4 Mounting and Connection 5 A1 Before you Begin 5 A2...

Страница 3: ...or experience pilot Altitude lock Best maintain altitude above 3 meters NO Flight Altitude No limit but will switch into Atti Mode automatically over 50m No limit No limit Stabilization Flybarless stabilizing on ELEV and AILE direction is available for all control mode GPS Lost After 10s when GPS signal lost system enters Atti Mode Automatically Only performing attitude stabilizing without positio...

Страница 4: ... Inertial Measurement Unit IMU consists of one 3 axis accelerometer one 3 axis gyroscope and a barometer 1 GPS Tail Boom Mount Lite Not in WKH Lite The GPS Tail Boom Mount and double sided foam tape enable secured installation for the GPS Compass module on almost any helicopters 3 PIN Servo Cable Cables used to connect the Main Controller to the RC receiver 10 LED Indicator The LED indicates the d...

Страница 5: ...odule Lite WKH Lite customers can skip this step Where Mount it on the tail boom between the rotor head and the tail rotor The compass is sensitive to magnetic interference so position the module at least 20 cm from servos and 30 cm from electric motors or gasoline petrol engines The GPS is sensitive to vibration interference so position the module at least 10 cm from the tail rotor The GPS should...

Страница 6: ...e This helps reduce the risks of electronic interference Please also make sure the USB port is accessible when installing the Main Controller so as to facilitate software configuration After choosing a location to mount the Main Controller it is recommended that you DO NOT mount the Main Controller until all wirings and software configurations are completed LED Indicator Where Place the LED indica...

Страница 7: ... convenient IMU mounting Main Controller Engine Speed Sensor R C Receiver LED The LED indicates different states of whole system In line CAN Bus Port This CAN Bus port can be used for the LED module connection or for future hardware upgrades WKH Lite has no GPS Compass WKH Lite user should connect LED to CAN Bus port on the MC directly CAN Bus Interface for WKH Module WKH Main Controller uses CAN ...

Страница 8: ... usage S2 S1 9 0 o S3 S4 S2 S1 S3 9 0 o S2 S1 S3 1 4 0 o S2 S1 S3 9 0 o S2 S1 S3 1 2 0 o S2 S1 S3 120o HR3 H3 H140 H4 HE3 H1 S3 Collective Pitch Battery or BEC WKH uses the same power source as the servos and receiver power to all electronics connected to the Main Controller can be supplied by either servo input or output ports on the Main Controller WKH operates with a power source between 4 8to ...

Страница 9: ...OUT Information regarding your WKH 3 Export export save WKH configurations in files 4 Import load previously saved configurations 5 Wizard step by step for your first time configuration 6 Write write data of latest settings of the current page to your WKH main controller The parameter value or the title of which will appear as red and bold in font when modifications have been made make sure you cl...

Страница 10: ...and gasoline engine require setting 16 B8 R C Transmitter Calibration R P A E are required to do 17 B9 SYSTEM CHECK Check controller output IMU mounting and battery performance 18 C1 Digital Compass Calibration Slide the control mode switch on transmitter 10 times and WKH will enter the compass calibration mode 20 C2 Manual Mode Test Flight Please strictly follow the procedure during flight test y...

Страница 11: ...ter main shaft Main Shaft Z c Hang the helicopter by the tail and use a plum line to find C G on Z axle You can use your own methods to estimate the C G of your helicopter Step c is not required to pod boom and scale helicopter Simply enter value zero will be sufficient GPS normally mounted on tail boom thus X and Z could be zero distance between GPS to main shaft is X C G Ground Note measurement ...

Страница 12: ...nt Software indicates that it is in Manual GPS Atti Atti and Failed Safe mode Notice To move the slider is to adjust sub trim or end points of the channel selected Tx 1 2 3 3 Position Switch For 3 positions switch you should assign Position 2to Atti Mode Position 1toManual Mode Position 3to GPS Atti Mode Or reverse the assignment for Position 1 and Position 3 For 2 positions switch you should assi...

Страница 13: ...ter range 20 to 500 If the helicopter is sluggish increase it if the helicopter oscillate back after brake decrease it Adjust this parameter 10 increment time until your control feeling is sharp and the helicopter would not bounce after braking Note this parameter will only affect the stability but not control feeling Direct Input Parameter range 30 to 300 This is the direct connect ratio for comm...

Страница 14: ...ybarless setting for detail Please read your helicopter s manual and make sure the swashplate servo linkage and all the mechanical parts were correctly adjusted before you use the above function for swashplate level adjusting Swash Mix is identical to Tx CCPM mixing this function is no longer avaliable on Tx after set to single servo on Tx STEP5 Click button you can reverse the moving direction fo...

Страница 15: ...de 2 Gyro sensitivity setting 3 Quickly slide it from rate mode to head locking mode for 3 times the command stick center position would be reset You must also finish the SYSTEM CHECK procedure in later steps before you fly your helicopter You might find the Controller Output Check for tail rudder result in opposite rudder moving directions click Reverse button to make corrections Please see Page ...

Страница 16: ...mounting and leave a proper space between the sensor head and magnet You can check this with the percentage bar at page ENGINE over 60 means the magnet is directly facing the sensor and less than 2 means that the sensor is far from directly pointing at the magnet Notice Only ONE magnet can be mounted on cooling fans of the engine STEP6 Please refer to user manual of your helicopter and engine find...

Страница 17: ... START button and move all of the sticks throughout their complete range several times STEP2 Click FINISH button when you finished above procedures 1 You have to finish the throttle and pitch curve setting before calibration here the end point of transmitter sticks will be record 2 If the throttle or pitch end point of transmitter had been changed please calibrate it again STEP1 ...

Страница 18: ...copter was not responding as described above you may be placing your IMU in a wrong orientation or you ve select a wrong orientation for your IMU in Assistant Software Please check sensor mounting again 2 If the swash is not level This is not critical this can because by IMU is not level to AIR frame AIR frame and landing skids are not level to ground Battery Performance Test 1 Switch to Non Manua...

Страница 19: ...f too small Stick Delay Range 50 200 It determines the overall stick reaction speed for example You push your roll stick to the maximum position your helicopter will tilt from leveling to 45 degrees the smaller the number the quicker the transition Advance Parameters The default values are suitable for most of the condition DJI specialized guidance is needed if change is necessary Velocity Trackin...

Страница 20: ...quickly slide the control mode switch from Position 1to Position 3 for 10 times and LED indicator will be constantly on in blue STEP2 Calibration in horizontal rotate you helicopter along with the horizontal surface until the green light is on constantly then go to the next step STEP3 Calibration in vertical while green light is constantly on hold your helicopter vertically and rotate it along wit...

Страница 21: ...they are in good condition STEP2 Make sure your batteries are fully charged for your transmitter WKH and all the devices on your helicopter STEP3 Turn on the transmitter first STEP4 Power on WKH and all the rest of electric devices on helicopter except brushless motor controller STEP5 Check the LED indicator if red LED blinks quickly continually then system start up has failed you have to place yo...

Страница 22: ...ease record your command stick positions which are the same as the moment you switched from Manual Mode if you changed throttle curve before switching use that curve for this setting You will be asked to configure your transmitter and let your helicopter able to hover with transmitter command stick roughly Not to be exact on their center position You can read the current stick position which shown...

Страница 23: ...ut LED indicator STEP7 Slide the control mode switch on your transmitter to make sure it is working properly Check it with LED indicator to specify the current working mode for WKH See Appendix for details about LED indicator STEP8 Switch the system to GPS ATTi Mode if the swashplate is not horizontal please go back to 3 rd step and power cycle the system STEP9 Switch the system to Manual Mode mov...

Страница 24: ...ep and power cycle the system STEP8 Switch the system to Manual Mode move all the sticks on your transmitter to check whether the helicopter is correctly responding to your commands STEP9 Start the engine or power on the brushless motor controller STEP10 Take off and fly your helicopter in Manual Mode STEP11 Hover your helicopter and switch to ATTi Mode Semi Auto take off Please setup B7 Engine Go...

Страница 25: ...tton 9 Wait until Assistant software reads Finished 10 Please power cycle the unit after at least 5 seconds 11 Your unit is up to date now After firmware upgrade please re configure WKH using Assistant software If it is notified that the network or DJI server is busy please try again later with above procedures If firmware upgrade failed WKH will enter waiting for firmware upgrade status automatic...

Страница 26: ...ngle spark all the sticks return to center helicopter hovering Double spark stick s not at center speed command is not zero Compass Calibration Status Begin horizontal calibration Begin vertical calibration Calibration finished Calibration or others error WKH Lite LED Indicator Description Flight States Manual Mode Atti Mode Tx Signal Lost Normal state IMU lost check IMU connection 3 5V low voltag...

Страница 27: ...mended Power Supply DC 4 8 8 4V Not to exceed MAX operating voltage of servo motor 1500 mAh capacity Discharge current more than 5C 7 5A to 15A external BEC servos dependent Assistant Software System Requirement Windows XP SP3 7 Electrical Mechanical Power Consumption MAX 5W 0 9A 5V 0 7A 5 8V 0 5A 7 4V 0 4A 8V Operating Temperature 5 C to 60 C Total Weight 150g overall Dimensions MC 51 2mm x 38 0m...

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