Futaba GYA441 Handleiding
Futaba
Radio controll
GYA441
Lees hieronder de 📖 handleiding in het Nederlandse voor Futaba GYA441 (2 pagina's) in de categorie Radio controll. Deze handleiding was nuttig voor 41 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
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Features of GYA441 Set Contents
Connection
S.BUS 3-axes Connection Example
S.BUS Connection
Mounting to the Chassis
Name and Function of Each Part
S.BUS connection makes the wiring extremely simple.
The GYA440 and GYA441 can be connected by one
3-way hub. The aileron, elevator, and rudder servos
are output from the gyro. Servos other than S.BUS ser-
vos can also be used. When an R6303SB is used the CH
switching mode is set to group 7. The normal group 7
CH outputs are CH3, CH11, and CH12. CH3 is the throt-
tle channel and CH11 and CH12 are spare channels.
The transmitter function settings are shown below. A
total of 9 channels are used with three axes gyro con-
trol.
Function GYA441
(aileron)
GYA441
(elevator)
GYA440
(rudder)
Aileron CH1
Elevator CH2
Rudder CH4
2nd aileron CH6
2nd elevator CH9
Gyro sensitivity
(aileron) CH5
Gyro sensitivity
(elevator) CH7
Gyro sensitivity
(rudder) CH8
● Dedicated airplane setting
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● Compatible with aileron or elevator control
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● Remote gain function
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● Integrated type, compact size and light weight
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● Easy setup
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● Supporting the S.BUS/S.BUS2 connection
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Rate Gyro for Airplanes
Aileron or Elevator use
INSTRUCTION MANUAL
INSTRUCTION MANUAL
For RC models
●Trimmer
(LIMIT/GAIN)
(Digital/Analog
servo function)
●LED
●Aileron/Elevator
selector switch
●Port 1 (S.BUS input/
Aileron and elevator
input)
●Port 2 (2nd aileron or 2nd
elevator/Gyro sensitivity input)
●Port 3 (Aileron/Elevator servo output)
●Gyro direction
switch
Aileron(Elevator)
servo
※Only S.BUS is compatible with 1 servo.
Extension cord: (Black)
Accessory connector (Red)
GYA441
To port 3
To port 1
Aileron/Elevator CH
Gyro sensitivity CH
To port 2
Receiver
Gyro gain CH(Receiver)←connect→Port2(GYA441)
Remote gain effective. Trimmer(GYA441) becomes LIMIT.
Gyro gain CH(Receiver)←It does not connect→Port2(GYA441)
Remote gain is invalid. Trimmer(GYA441) becomes GAIN.
S.BUS Receiver
Aileron (Elevator) servo
2nd servo
Extension cord: (Black)
GYA441
To port 3
To port 2
When there is 1
servo, port 2 is not
connected.
To port 1
S.BUS/S.BUS2 port
Controlled axis (roll axis)
90°
Gyro
Degrease and stick
Flat surface of the fuselage to which
double-sided tape easily sticks
(double-sided tape does not stick to balsa)
Sensor tape
Rudder servo
Elevator servo
GYA440(Sold separately)
GYA441
GYA441
Aileron servo
S.BUS/S.BUS2 port
S.BUS Receiver
This is a three axes
connection example. The
rudder uses a GYA440 and
the receiver is an R6303SB.
＜ GYA441 aileron mounting ＞
The turning direction which fixes the gyro can be any
direction up to 360° relative to the roll axis.
LIMIT
GAIN
Function Aileron mode Elevator mode
Aileron CH1
Elevator CH2
2nd aileron CH6
2nd elevator CH9
Gyro sensitivity (Aileron) CH5
Gyro sensitivity (Elevator) CH7
At S.BUS/S.BUS2 operation, the channels are fixed as shown in the
table below. Match the transmitter channels to these.
GYA441 Ratings:
(Integrated sensor type rate gyro)
• Gyro sensor: MEMS vibrating structure gyro
• Operating voltage: DC4.0V to 8.4V
• Current drain: 30mA (excluding a servo)
• Operating temperature range: -10ºC to +45ºC
• Dimensions: 20.5 x 20.5 x 11.0mm (except protrusion)
• Weight: 3.7g
• Functions: (1) Gyro sensitivity trimmer, (2) Monitor LED, (3) Two servos
compatibility, (4) S. BUS/S.BUS2 compatibility, (5) Digital / analog servo
function
Monitor LED display
Operation status Color Display Remarks
1. No servo pulse /
sensor error Red 4 flash
2. Start of initialization Green Fast blink
3. End of initialization Red/Green/
Orange
Steady
light
Digital Analog
AVCS Red Red
Normal Orange Green
4. Turn Red/Green Fast blink Right (Green)
Left (Red)
5. Neutral deviation Orange Slow blink When stick operated
6. Gyro sensitivity zero −OFF
7. Switch switching Green One blink Each switching
8. Low battery Red One flash When power drops to 3.8V
or less
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GYA441
Mini screwdriver
Extension cord: (Black)
Extension cord: (Red)
Sensor tape
Magic strap (for clamping the wiring)
WARNING
Failure to follow these safety precautions may result in severe injury
to yourself and others.
Check that there is sufficient transmitter battery capacity for
flight.
• Determine the operating time of the receiver, gyro, and servo battery in the adjust-
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Analog servos cannot be used while in "digital servo" mode.
• Analog servos may break down if "digital servo" mode is selected.
Do not operate the airplane and transmitter sticks for about 3-5
seconds after turning on the GYA441 (When shared with the re-
ceiver).
• GYA441 initialization and neutral position reading. The GYA441 is initialized when
the power is turned on. In the AVCS mode, the neutral position is also read at the
same time. If initialization ends normally, the operator is informed by two repetitive
movements of the servo to the left and right (a little).
Always check the direction of operation of the gyro.
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Do not strike the gyro with a hard object. Do not drop it onto a
concrete surface or other hard floor.
• The sensor may become damaged during strong impacts.
Do not use trims or mixing in AVCS mode.
• In the AVCS mode all corrections are made by the gyro. Therefore, if trimming and
mixing, are turned on, operation will be the same as deviating from the neutral po-
sition.
Do not use the GYA441 for applications other than RC airplanes.
•This gyro is designed for RC airplanes only. Do not use it for other applications.
Do not place gyro near heating equipment (engine, motor, ESC,
battery, servo, etc.).
• Always allow the gyro to adjust to the surrounding environmental temperature be-
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tional issues.
Rudder control
(GYA440)
Aileron control
Elevator control
Servo
Mode
1M23N30802
• No part of this manual may be reproduced in any form without prior
permission.
• The contents of this manual are subject to change without prior notice.
• Futaba is not liable for any potential damage (accidental or otherwise)
that may occur after installation.
Before using your new gyro, please read this manual thoroughly
and use the gyro properly and safely. After reading this manual,
store it in a safe place.
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The gyro is very sensitive to vibration. Securely mount it with the included double-sided sponge tape at a position where vibration is
minimal and the gyro is perpendicular to the axis to be controlled. Since double-sided tape will not stick to balsa, make a smooth sur-
face by cementing a smooth plastic sheet. to the frame and securely attach the gyro with double-sided tape. Provide a surplus in the
wiring and bundle the wiring with the included magic strap so that it will not interfere with the rod.
AVCS 100%
NORMAL 100%NORMAL 50%
LIMIT
GAIN
0%
AVCS 50%
Servo
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Gyro Sensitivity and AVCS Switching
AVCS / NORMAL Modes
Servo Operation on the Ground
Link the servo in accordance with the kit instruction manual.
Adjust the linkage rod so that the trim amount is as small as pos-
sible.
Digital/Analog servo selection
Selection of an analog and digital servo is performed in a limit
trimmer's setting position.
A limit trimmer's motion is as follows.
Digital servo → A trimmer is adjusted by the Right rotation from
the middle point.
Analog servo → A trimmer is adjusted by the Left rotation from
the middle point.
The amount of limits -- the halfway point -- the minimum -- it will
become the maximum quantity if it is made to rotate to Max, re-
spectively. The check of operational mode is discriminable in the
display color of LED. The stability of digital-servo mode of a flight
increases in order to perform a high-speed control action.
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Adjust the gyro sensitivity at the transmitter.
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1
Use the aileron/elevator selector switch to select aileron or
elevator. (Aileron: AIL Elevator: ELE)
2
Turn on your transmitter's power. Set the gyro sensitivity to about
50% at the normal side (minus rate side) in accordance with the
transmitter instruction manual. 50% of normal sensitivity will be -70%
at the rate of the sensitivity CH so that a next graph may be seen and
understood.
3
Turn on the receiver power. When the gyro starts the LED flashes
green and initialization begins. When initialization ends the
servo performs reciprocating operation to the left and right (a little).
Adjust the transmitter and gyro while repeatedly taking off and
landing and with the aircraft on the ground.
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because it is dangerous.
1Fly the aircraft and trim it by turning off the gyro at 0% sensitivity
or in the NORMAL mode. After trimming, switch the gain switch
between 0% sensitivity (or NORMAL mode) and the AVCS mode three
times at an interval of within one second and then set the gain switch
to the AVCS mode position. This memorizes the AVCS mode neutral
trim position at the gyro. In the AVCS mode, do not perform trimming
during flight.
2Adjust the gyro sensitivity so that hunting (deflection of the
aircraft in small increments) does not occur in the control axis
direction. The gyro sensitivity is different depending on the area of
the aircraft rudder, air speed, and gyro used. Initially try changing
the sensitivity in 5% steps. If hunting is excessive, the aircraft may be
damaged. Hunting tends to stop when the airspeed is lowered.
The gyro has two operation modes: NORMAL mode and AVCS
mode. In the AVCS mode, angle control is performed at the same
time as NORMAL mode rate (rotating speed) control. In the AVCS
mode, the neutral keeping force is stronger than the NORMAL
mode and the flight attitude of the aircraft is forcefully main-
tained. During knife-edge flying, idiosyncrasies of the aircraft
when climbing will be compensated automatically. On the other
hand since the rudder follows when the aircraft stalls, pay spe-
cial attention to the elevator axis. To be safe, switching to the
NORMAL mode when taking off and landing is recommended.
If the stick is moved when the airplane is on the ground, the ser-
vo will move to the limit position. In the AVCS mode, the servo
will not return to the neutral position even if the stick is set to
the neutral position, but this is normal.
If the stick is moved fully to the left or right three or more times
within one second, the servo will temporarily return to the neu-
tral position.
When the remote gain function is used normally and AVCS
mode switching is performed in accordance with the direction
of operation of the transmitter s remote gain channel. At the +
rate side, the AVCS mode is selected and at the ‒ rate side, the
NORMAL mode is selected. The sensitivity is changed by adjust-
ing the end point rate. If the transmitter has a gyro sensitivity
setting mixing function, the sensitivity setting is performed di-
rectly.
When the remote gain function is not used, the clockwise di-
rection from the center of the sensitivity setting trimmer is the
AVCS mode (not used) and the counterclockwise direction is the
NORMAL mode. At the center position, the sensitivity becomes
zero. When the trimmer is turned fully to the left or right, the
sensitivity becomes 100%.
The sensitivity setting criteria by end point is shown in the
figure below. The sensitivity becomes zero between end point
-40% to +40% and becomes 100% at end point 100%.
Refer to the transmitter instruction manual and set the end
point. When AVCS is used, setting the 3-positions switch to the
sensitivity CH (there are types which cannot be set by transmit-
ter) and setting it as shown above is recommended. In the case
of a 2-positions switch, inhibiting the gyro at 0% sensitivity such
as NORMAL mode and sensitivity 0% and AVCS mode and 0%
sensitivity is safe.
Trimmer movement when the
remote gain function is not used
(when S.BUS is not used and port
2 is not connected) . Please do not
use AVCS, when you do not use re-
mote gain. Because, neutral memo-
ry cannot be performed. And taking
off and landing being dangerous.
0%
-40%
+40%
50%
50%
100%
100%
+70% +100%
-70%-100%
End point rate
Gain
NORMAL side（LED : GREEN）
AVCS side（LED : RED）
GAIN 0％
AVCS
NORMAL
When AVCS is used we
recommend that the
sensitivity CH be set to
the 3-position.
AVCS 100%
NORMAL 100%NORMAL 50%
LIMIT
GAIN
0%
AVCS 50%
Tilt the airplane to the left on
the ground and check that the
ailerons operate to the right. (In
the case of aileron control)
Tilt the airplane to the
left on the ground and
check that the ailerons
operate to the right.
(In the case of aileron
control)
AVCS
When GYA441 used at the ailerons of a shoulder wing aircraft
NORMAL
Left rudder applied
When tilted by left aileron
Flies tilted to the left as long as
right aileron is not applied.
The airplane itself is stable and tries
to return to level flight.
When tilted by left aileron
Left rudder applied
Aileron direction is forcefully
maintained level.
※‒⁛‒⁙⁖‒⁘‒⁕⁓⁛⁙‒
‒⁓‒⁝⁛⁘⁗‒⁗⁖⁙⁗†
※‒⁛‒⁙⁖‒⁘‒⁕⁓⁛⁙‒
‒⁓‒⁔⁗⁙⁛⁗‒⁓⁖‒
⁓⁝⁛⁙‒⁘⁘‒⁓⁖‒⁞⁓⁖⁛⁙†
Aircraft gradually tilts to the left.
<2nd servo operating direction>
During aileron mode operation
the 2nd aileron servo
moves in the
same direction as the
aileron servo. In the elevator
mode, the 2nd elevator servo
moves in the opposite direc-
tion of the elevator servo.
Mount the servos as left and
right objective linkage.
＜Limit trimmer Adjustments＞
It adjusts to the
maximum operation of
linkage.
（Aileron）
Aileron stick right
/left to full
D/R (UP side)
LIMIT
GAIN
Limit trimmer
Adjustments
Digital
Analog
Analog
5
In the case of aileron control, switch the gyro direction switch and
adjust the direction of operation of the gyro so that the ailerons
move all the way to the right when the airplane is tilted to the left.
In the case of elevator control, switch the gyro direction switch and
adjust the direction of operation of the gyro so that the elevator servo
moves in the down direction when the airplane is moved in the up
direction. If the direction of operation of the gyro is incorrect, flight
will become impossible so make the settings positively.
Gyro sensitivity zero --- LED OFF
AVCS side --- LED red
NORMAL side --- LED green
LIMIT
GAIN
0%
NORMAL 30%
＜A gain trimmer's work ＞ First,we recommend to
start with NORMAL30%.
＜GAIN CH ＞
LIMIT
GAIN
Digital-servo mode:
LED Orange
Analog-servo mode:
LED Green
Limit position
of digital servo
Limit position
of analog servo
[Limit position]
Selection of digital/analog servo
is chosen towards a trimmer turning.
LIMIT
GAIN
70%
100%
100%
130%
130%
When a remote gain function is off, it becomes only analog servo
mode. A trimmer becomes only for gain.
(Digital-servo use is possible)
*When you use an analog servo, please be sure to set to ana-
log servo mode. If it sets to digital-servo mode and it is op-
erated, there is a danger that a servo will be destroyed.
This places the gyro into the ready state. During initialization secure
the fuselage so that it will not move and fix the transmitter stick
at the neutral position. Initialization takes about 3-5 seconds after
the receiver operates. After initialization the LED lights green. If the
neutral position has changed, the LED will light orange. In this case,
restart the gyro. Move the stick and check that the servo operates.
4
Move the stick to the maximum left and right and adjust the gyro
limit trimmer so that the servo operating angle is at the
maximum position at which there is no interference with the linkage.
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Adjust the gyro sensitivity with the GYA441 trimmer.
Do not use the AVCS mode.
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*In this case, 2 gain setup with a transmitter and 4 limit adjustment
of differing in a procedure are lost. And as shown in a figure, gain is
adjusted of the trimmer of GYA441.
● Trimmer operation
*Make trimmer adjust-
ments gently by using the
included mini screwdriver.
Product specificaties
| Merk: | Futaba |
| Categorie: | Radio controll |
| Model: | GYA441 |
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