Futaba GYA350 Manual de usuario

Busca en linea o descarga Manual de usuario para Instrumentos de medición Futaba GYA350. Futaba GYA350 User Manual Manual de usuario

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No part of this manual may be reproduced in any form without prior permis-
sion.
The contents of this manual are subject to change without prior notice.
This manual has been carefully written. Please write to Futaba if you feel that
any corrections or clarifications should be made.
Thank you for buying a GYA350 AVCS gyro.
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.
1M23N07403
FOREWORD
1
The GYA350 is a high-performance, compact, and light weight
AVCS gyro developed for model airplane aileron, elevator, or
rudder. Integrated sensor and control circuit simplifies mounting in
the aircraft.
Servos:
Gyro performance largely depends on the servo used. The faster
and more responsive the servo, the higher the speed and the
better the sensitivity and performance of the gyro.
Features
•AVCS used
Forward, climb, descent, back, knife edge, and other flying attitudes are main-
tained even when the wind shifts. Therefore, since meeting rudder is almost
completely unnecessary, flying is easy. At the same time, the gyro automatically
corrects bad tendencies of the aircraft.
•SMM gyro sensor
Newly developed very low drift SMM (Silicon Micro Machine) gyro sensor
practically eliminates trim changes during flight.
•Remote gain and mode switching functions
Remote gain function lets you switch the gyro gain from the transmitter. AVCS
mode/Normal mode/Gyro OFF can also be switched from the transmitter.
•Integrated type, compact size, and light weight
Compact size (27x27x20mm) and light weight (26g) have been achieved by the
use of high density mounting technology.
•Conductive resin case improves EMC resistance (electrostatic,
electromagnetic wave interference).
SET CONTENTS
2
•GYA350
•Double-sided tape
(3 sheets)
The GYA350 comes with the following accessories:
•Mini screwdriver
(for adjustments)
GYA350 Ratings
(Integrated sensor type AVCS rate gyro)
Control system:
Digital advanced PI (Proportional Integration) control
Gyro sensor:
SMM (Silicon Micro Machine) system vibration gyro
Operating voltage: +4 to +6VDC
Dimensions: 27 x 27 x 20mm
Weight: 26g (including connector)
Functions:
Gyro operation direction switch, Gyro operation mode switch, Gyro
gain trimmer, Control gain trimmer
NAME AND FUNCTION OF EACH PART
3
•Monitor LED
Monitors the operating status of the GYA350. See the table
below for the display contents.
•Gyro direction of operation selector
switch (DIR)
Selects the direction of operation of the gyro. If the
rudder moved when the fuselage was moved in the
gyro control axis direction and the rudder moved to
cancel this movement, the direction of operation is
matched.
If the aircraft is flown while the direction of opera-
tion is wrong, the gyro may apply reverse rudder
and is very dangerous.
•Control selector switch (CNT.)
Selected to match the flight control surface to be controlled.
When using the GYA350 to control the ailerons, this switch is
set to the AIL position. When using the GYA350 to control
the elevator or rudder, this switch is set to the ELV position.
•Gyro gain trimmer (G GAIN)
Adjusts the gyro gain. Gain adjustments are made from the transmitter. In this case,
the value set with this trimmer becomes the reference and the gain can be adjusted by
changing the servo deflection angle setting of the transmitter gain adjustment channel.
When the trimmer is turned clockwise, the gain increases. Adjust the gain to the
maximum value at which hunting does not occur.
•Control gain trimmer (C GAIN)
Adjusts the steering signal controlled variable. The effect of the rudder when
the gyro is turned on can be adjusted. When the trimmer is turned clockwise,
the controlled variable increases.
•Gain switching connector (remote gain
input)(red)
Gyro gain switching signal input connector. Connects to the
receiver gain switching channel output connector. The
signal from this connector is also used to switch the AVCS
and Normal operation modes simultaneously with gain
switching. Since this connector is a single signal wire, do
not pull on it forcefully.
•Servo input connector (black)
Connects to the corresponding servo output connector of
the receiver.
•Servo output connector
Connects the corresponding servo.
(Monitor LED display)
LED display Gyro operation status
Rapid flashing Displayed while data is being initialized at power ON.
Steady light Shows that the gyro is operating in the AVCS mode.
Off Shows that the power is OFF, or the gyro is operating
in the Normal mode.
Slow flashing Displayed when a control signal is input from the transmitter.
At this time, the servo does not operate.
Double flash In the AVCS mode, displayed when the signal from the
transmitter deviates from the neutral signal memorized
at the gyro. Also displayed when a stick is operated.
Single flash Displayed when the AVCS function is reset, and a neutral signal
is sent to the servo. The LED flashes once when the gain
selector switch was quickly switched between the Normal and
AVCS positions three or more times and then left in the AVCS
position, or when a transmitter stick was quickly moved to the
left and right three or more times. After this display is per
formed, the servo moves to the neutral position. This display
also flashes when the operation direction or control selector
switch was moved.
GYA350 operation modes
The GYA350 has two operations modes: AVCS mode and Normal mode.
Normal mode
This mode performs general proportional control operation. For instance, it controls the gyro
so that changes are countered when the attitude of the aircraft is changed by cross-wind, etc.
AVCS mode
This mode performs both proportional and integrated control operation The difference
between Normal mode and AVCS mode operation is that whereas the Normal mode only
counters changes in attitude, the AVCS mode returns to the original controlled variable
simultaneously with countering changes in attitude. For example, during knife edge flying,
aileron and elevator meeting rudder is normally necessary, but in the AVCS mode, meeting
rudder is performed automatically by the gyro.
Also, in the AVCS mode, high-speed control is possible, but when the usage method is
incorrect, unintended operation may be performed. Before use, gain a thorough understand-
ing by reading the Usage Precautions and Operation Instructions.
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Indice de contenidos

Pagina 1 - AME AND FUNCTION OF EACH PART

• No part of this manual may be reproduced in any form without prior permis-sion.• The contents of this manual are subject to change without prior not

Pagina 2 - OPERATION INSTRUCTIONS

GAIN AND OPERATION MODE SETTING4The relationship between the travel adjustment functions (ATV,AFR) settings and gyro gain when the gyro gain is switch

Pagina 3 - Standard Setting

Standard Setting(Setting using all GYA350 functions)This standard setting controls gain switching and AVCS/ Normalgyro operation mode switching from t

Pagina 4 - Operation Precautions

Control gaintrimmer (C GAIN)Flight adjustment1. Power ON procedureTurn on the transmitter power, then turn on the receiver and gyro power.Initializati

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