User Manual

Connectors are soldered

Installing and connecting battery

1. Attach battery to battery tray. Do not use an oversized battery. Maximum installation dimension is 80mm X

120mm X 200mm.

2. Connect the black connector and then the red connector to power on. Disconnect the red connector then

black connector to power off.

5'

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© 2014 DJI. All Rights Reserved. 17
Ll

Using a 2-position RC transmitter switch, landing gear retraction can be carried out remotely.

Setting up the transmitter

Select a 2-position switch (default setting is OK) as the control input for the landing gear. Ensure the

corresponding receiver port is connected to the "IN" port on control board. For the A2 flight control

system, connect the flight controller's F1 port to "IN" port on control board.

i Upper: Toggle the switch to this position to raise the landing gear.

Lower: Toggle the switch to this position to lower the landing gear.

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13

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/|\ • If the transmitter switch has a FailSafe function, set the FailSafe value to the [Lower] position. This

ensures that the landing gear will lower automatically when the receiver enters FailSafe mode.

• To avoid accidental switch triggering, slide levers or other controls can be used for landing gear

control.

Usage procedures

1. Ensure transmitter and receiver batteries are fully charged.

2. Toggle the switch to the [Lower] position, and then turn on the transmitter.

3. Ensure the "R", "L" and "IN" connections are correct.

4. Ensure the landing gear is in the [Lower] position, then power on the system. If a solid green LED on the

landing gear control board lights up, everything is normal. If it flashes green slowly, re-calibrate the system

according to instructions in "Recalibrating Servo Travel".

5. Toggle the switch to the [Upper] position ONLY AFTER takeoff.

6. Toggle the switch to the [Lower] position for landing.

18 © 2014 DJi. All Rights Reserved.
User Manual

•-\/*~ * Servo power will shut off 3 seconds after the landing gear has reached its target position.

° When powering on the system, if the transmitter switch is in the [Upper] position, the LED will flash

red quickly as a warning. Toggle the switch to the [Lower] position to continue.

• If there is an abnormal signal or no signal input into the "IN" port, the LED will slowly flash red.

Check receiver and connections for problems.

8

 If servo power consumption is too high, the LED will light up red. If this lasts more than 4 seconds,

the landing gear will lower and the LED will flash green slowly. Re-calibration is needed before

flying.

8

 A2 flight control system users can use the A2 Assistant to set intelligent gear on the "Advanced"

page. Refer to the "A2 user manual" for details.

LED Control Board Indicator

System normal

Calibration required

Recalibration required

Calibration failed

Enter calibration mode

System calibrating

Motor stalled

Unsafe startup alert

Input signal abnormal

-Solid green.

Blinks rapid green.

••Blinks slow green.

• Solid yellow.

Blinks rapid yellow.

••Blinks slow yellow.

• Solid red.

• Blinks rapid red.

•« Blinks slow green.

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Landing Gear Specifications

Parameter

Working Voltage

Working Current

Working Temperature

Total Weight

Range Parameter Range

3S-6S (LiPo) Input Signal PWM (High-Pulse Width 800us~2200us)

Max 1 A@6S Output Signal PWM (Mid Position is 1520us) in 90Hz

-20-70° C Output Voltage 6V

875g Servo Travel 150° (Minimum 120°)

© 2014 DJI. All Rights Reserved. 19
Before assembling the gimbal, install the GCU as shown below. Be sure to install on the side as shown below.

A DJIZ15-GH4 (HD) gimbal has been used as an example in the following diagrams.

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The connectors on gimbal should be removed for better performance, then the gimbal can be mounted to

the lower connection points. Users of DJI Z15-5N / 7N gimbal, refer to the DJI Z15-5N / 7N Gimbal Mounting

Notes (Page 21) for details.

20 © 2014 DJi. All Rights Reserved.
User Manua1

Check that the system's center of gravity is on the line as shown in the diagram below.

DJ! Z15-5N / 7N Gimbal Mounting Notes

/|\ * Due to the size restriction of the Z15-5N / 7N gimbal, users should purchase extended landing gear

legs (used with Z15-5N / 7N gimbal) to avoid damage and/or failure during the self-test. Refer to the

Part List Package No.34 (Page 31) for details.

• Follow the Mounting the Landing Gear (Page 6) instructions to mount extended landing gear legs.

Then the gimbal can be mounted as shown below.

-0'~ Packa9

e

 No.34 is for users whose landing gear legs are 300mm. Users whose landing gear legs are

350mm have no need to purchase this part.

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© 2014 DJI. All Rights Reserved. 21
ESC State

Ready

Throttle stick is not at bottom

Input signal abnormal

Input voltage abnormal

1

Ow L.C-L/

Sound

J1234567--B--B

BBBBBB...

B B B...

BB-BB-BB-BB...

ESC State

Standby

Motor rotating

Motor rotating at full throttle position

LED

Off

Solid Red or Green On

Solid Yellow On

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DJI ESCs are specifically designed for multi-rotors. When used with DJI autopilot systems

parameters and travel ranges do not have to be calibrated.

Frame

Diagonal Wheelbase

Frame Arm Length

Frame Arm Weight

(with Motor, ESC, Propeller)

Center Frame Diameter

900mm

358mm

316g

272mm

Center Frame Weight (with Landing Gear 1185g

Mounting Base, Servos)

Landing Gear Size

Stator Size

KV

Max Power

460mm(Length)x450mm(Width)x360mm(Height)

41x14mm

400rpm/V

500W

22 © 2014 DJI. All Rights Reserved.
User Manual

Weight (with Cooling Fan)

Working Current

Working Voltage

Signal Frequency

Drive PWM Frequency

Weight (with Radiators)

Material

Size

Weight

Flight

Takeoff Weight

Total Weight

Power Battery

Max Power Consumption

Hovering Power Consumption

Hovering Time

Working Environment Temperature

158g

40A

6S LiPo

30Hz ~ 450Hz

8KHz

35g

High strength performance engineered plastics

15x5.2 inch

13g

4.7Kg ~ 8.2Kg

3.3Kg

LiPo(6S,10000mAh~15000mAh,15C(Min))

3000W

1000W (@6.8Kg Takeoff Weight)

18min (@12000mAh & 6.8Kg Takeoff Weight)

-10°C~40°C

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Flight Control

Pitch

A2 110%

WooKong-M 160%

Basic

Roll

110%

160%

Yaw : Pitch

120% 220%

160% 190%

Attitude

Roll

220%

190%

i

Vertical

120%

100%

© 2014 DJl. All Rights Reserved. 23
Be sure to solder the thick wires and fine wires correctly when soldering an ESC to the frame arm.

Clockwise (CW) and counter clockwise (CCW) motors have a different arrangement of the colored wires.

Thick wire

k—Solder pad

\~Blue

i¥Black

$UlRed

CCW arms CW arms

Instructions

1. Use two M3x12.3 screws and four washers to remount propellers.

2. Apply thread locker to the thread of the propellers mount first.

3. Affix screws with 4Kg • cm (0.4N • m) torque.

:

JQ: Refer to original screw tensions if you are unfamiliar with torque measurements. Applying thread

locker to the propeller mount first avoids getting thread locker into the holes of the plastic propeller.

/i\ Loose screws cannot be securely locked with thread locker.

Torque markers on the screws and propeller covers will give you a visual cue to check whether the propellers

are loose. Check the torque markers before every flight.

24 © 2014 DJI. All Rights Reserved.
Instructions

1. Insert the propeller blades into the propeller holder. 2. Attach the propeller holder to the frame arm.

A soft damper is part of the vibration absorber. Assemble soft dampers as shown below. Assembly is the

same for CCW and CW propellers.

o

Ensure all soft dampers and vibration absorbers are in good condition before every flight. If not,

replace immediately. Otherwise, the flight performance of your aircraft will be adversely affected.

Before installing the soft dampers, put the copper gaskets onto the four mounting holes on the

carbon plate. Then put the soft dampers into the mounting holes.

After tightening the screws, the vibration absorbers may be twisted. If this is the case, hold the

motor with your thumbs under the base plate and fingers on the top carbon plate, and squeeze the

plates together to make the vibration absorbers flat and parallel with the plates.

© 2014 DJI. All Rights Reserved. 25
Remounting servos is not recommended as they are pre-installed.

Instructions

1. Connect the left servo cable to the "L" port of the landing gear control board.

2. Connect the right servo cable to the "R" port of the landing gear control board.

3. Press and hold the SET button using a pin then power on. You will see a yellow LED beside the SET button

flashing quickly. Wait as servos complete position initialization.

4. Make sure the arm connecting to the servo is parallel to the link as shown in the following diagram.

5. Assemble the left and right servos to the left (between M3, M4) and the right (between M5, M6) parts of the

landing gear. Power off.

Servo

Connecting arm

Link

To receiver channel

(To Fl port if use A2)

After Installation

Instructions

1. Keep your hands away from all moving parts.

2. Ensure the "R", "L" and "IN" connections are correct.

3. Keep the whole aircraft off of the ground during calibration, as landing gear will move.

4. Press and hold the SET button using a pin while powering on, then release. An LED will flash yellow

quickly. Press the SET button again. Auto calibration will begin and the LED will flash yellow slowly. DO

NOT obstruct any moving parts during auto calibration.

5. During calibration, the left landing gear will raise and lower, followed by the right landing gear.

6. After calibration, both the left and right landing gears will be lowered and the LED will display a solid green

light. This indicates that the landing gear is working properly.

A\ 9 If the LED is solid yellow after calibration, a problem has occurred. Carry out the instructions in

"Remounting the Landing Gear Servo" then try again.

• Avoid obstructions during calibration. If the landing gear was obstructed, recalibration will be

required, per the above steps.

• If the "R" and "L" servo cables are reversed, travel will not be measured correctly. Fix the

connections and recalibrate the landing gear using the above steps.

9

 Landing gear travel has been pre-calibrated. Mechanical adjustment of the gear travel is not

recommended.

26 © 2014 DJi. All Rights Reserved.
f33T\ n n O ri

If you require a replacement part, locate the part that you wish to replace in the following tables. Then order

the package that comes with the specified part. The numbering of the part is defined as follow:

S9020101CCW

S900-

Ol-Frame Arm; 02-Center Frame;

03-Landing Gear Package No.

Frame Arm

M3x12.3 (hexagan)

S9012501 CCW/

S9012502CW

S9012101B7

S9012201R

89013501

89010802

89011001

890129027

890130027

890131027

89013202

890129017

890130017

890131017

89013201

89012301R7

89012401G

CWas clockwise; CCWas counter clock

wise; B as Balck; R as Red: G as Green

• Package Part No.

S9012102B7

S9012202R7

89013701 Rl

89013801B

890130037

89013203

89010501CCWR/

S9010601CWB7

89010701CWR

890105027

890106027

89010702

M3x12.3 (cheese)

S901 04037

S9010503/

S901 06037

S9010703

S901 04047

S901 05047

S901 06047

S9010704

6

8

10

S900 Frame Arm CCW - Black

S900 Frame Arm CCW - Red

S900 Frame Arm CW - Black

S900 Frame Arm CW - Red

S900 Motor Damping Unit

S900 Motor Mount Carbon Board

S9010401CCWB, S9010402, S9010403,

S9010404, M3x12.3 (cheese)

S9010501CCWR, S9010502, S9010503,

S9010504, M3x12.3 (cheese)

S9010601CWB, S9010602, S9010603,

S9010604, M3x12.3 (cheese)

S9010701CWR, S9010702, S9010703,

S9010704, M3x 12.3 (cheese)

S9010801, S9010802, M3x10.3

S9011001,M3x4.5

27
Wings User Manual

S900 4114 Motor with black Prop cover S9012101B, S9012102B, M3x4.5

S900 4114 Motor with red Prop cover S9012201R, S9012202R, M3x4.5

S9012301R, S9012302, M3x12.3

(cheese)

S9012401G, S9012402, M3x12.3

(cheese)

S9012501CCW, S9012502CW,

S9012503, M3x12.3 (hexagan)

Center Frame

21

22

23

24

25

S900 ESC with Red LED

S900 ESC with Green LED

S900 Propeller Pack

S9020301

M2.5x8 (cheese)

S9021502 —

M3x6.5

S9021501 —

S9020901

S9021201L

S9021203/

S9021101

S9021401

S9020302

M3x8 (self-tapping)

S9021503/

S9032703

S9021202R

M2.5x8 (cheese)

M3x6.5

28 © 2014 DJI. All Rights Reserved.
User Manual

3

9

12

14

15

11

S900 Lock Knob

S900 Center Frame Support Pillar

S900 Arm Mounting Bracket

S900 Center Frame Bottom Board

S900 Center Frame Top Board

S900 Frame Arm Mounting Steel Shaft

S9020301, S9020302, M3x8 (self-tapping)

S9020901, M2.5x8 (cheese)

S9021201L, S9021202R, S9021203,

M3x6.5

S9021401, M3x4.5 (cheese), M3x8 (selftapping), M3x6.5, M3x5.5

S9021501, S9021502, S9021503, M3x6.5,

M2.5x8 (cheese)

S9021101

Landing Gear

M3X4.5

M2.5x8 (cheese)

S9033308

S9033309

S9033310

S9033311

M2.5x8 (socket cap)

S9032601

89032602

S9032603

S9032606

M3x22 (socket cap)

S9032604

S9031812

S9031712

S9031903

M3X6.5

S9031904

—S9031905

S9031701

M3x6.8

(Q3) S9032001

S9032002

CautionEl(1) Parts within the dotted box are mirrored against each other.

Except for S9031814 and S9031815.

29
User Manual

TJ

16

17

18

S900 Gimbal

Damping Bracket

S900 Retractable

Module (Right)

S900 Retractable

Module (Left)

S9031601, S9031602, S9031603, S9031604, S9031605,

M2.5x5, M2.5x13

S9031701, S9031702, S9031703, S9031704, S9031705,

S9031706, S9031707, S9031708, S9031709, S9031710,

S9031711, S9031712, S0031713, M1.6x5, M2.5x10 (socket

cap), M2.5x8 (cheese), M2.5x5, M3x8, M3x4.5, M3x6.8

S9031801, S9031802, S9031803, S9031804, S9031805,

S9031806, S9031807, S9031808, S9031809, S9031810,

S9031811, S9031812, S9031813, S9031814, S9031815,

M1.6x5, M2.5x10 (socket cap), M2.5x8 (cheese), M2.5x5,

M3x8, M3x4.5, M3x6.8

19

20

26

2

33

S900 Gimbal

Damping

Connecting

Brackets

S900 Landing Skid

S900 Landing Gear

Leg

S900 Battery Tray

S900 Gimbal

Mounting

Accessories

S9031901, S9031902, S9031903, S9031904, S9031905,

M2.5x5, M3x6.5

S9032001 ,89032002

S9032601, S9032602, S9032603, S9032604, S9032605,

S9032606, M2.5x8 (socket cap), M3x22 (socket cap)

S9030201

S9033301, S9033302, S9033303, S9033304, S9033305,

S9033306, S9033307, S9033308, S9033309, S9033310,

S9033311, S9033312, S9033313, S9033314, M2.5x5,

M2.5x13, M2.5x8 (cheese)

Miscellaneous

S9032701

S9032702

S9013601 S9020201 S9020202

-QED

S9020103 S9020104

S9033401

Caution: This part is used with Z15-5N / 7N gimbal.

30 © 2014 DJI. All Rights Reserved.
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30

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32

S900 Center Frame

S900 Complete Arm [CW-RED]

S900 Complete Arm [CW-Green]

S900 Complete Arm [CCW-RED]

S900 Complete Arm [CCW-Green]

S900 GPS Holder

S900 Screw Pack

S900 Power Cord Plug

S900 Extended Landing Gear Leg

S900 Rubber Damper for 4114 Motor

S900 Propeller Holder

S900 4114 Motor-Red Prop Cover

S900 4114 Motor-Black Prop Cover

Package 3,9,12,14,15

Package 7, 8,10,11, 22, 23,25, S9012901,

39012902,39012903

Package 6, 8,10,11, 21, 24,25, S9013001,

39013002,39013003

Package 5, 8,10,11, 22, 23,25, 39013101,

S9013102, S9013103

Package 4, 8,10,11, 21, 24,25, S9013201,

39013202, 39013203

39032701, S9032702, 39032703, M2.5x8 (cheese)

Assorted screws

39020101, 39020102, 39020103, 39020104

39033401

39013501 ,M3x 10.3

39013601

39013701R, M3x12.3 (hexagan)

39013801B, M3x12.3 (hexagan)

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant

to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful

interference when the equipment is operated in a commercial environment. This equipment generates, uses,

and can radiate radio frequency energy and, if not installed and used in accordance with the instruction

manual, may cause harmful interference to radio communications. Operation of this equipment in a residential

area is likely to cause harmful interference in which case the user will be required to correct the interference

at his own expense.

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© 2014 DJI. All Rights Reserved. 31
User manual is subject to change without prior notice.

You may visit DJI off ical website to obtain the latest version of user manual.

http://www.dji.com/product/spreading-wings-s900

© 2014 DJI. All Rights Reserved.