Futaba GYA351 Manual de usuario

Busca en linea o descarga Manual de usuario para Instrumentos de medición Futaba GYA351. Futaba GYA351 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 GYA351 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.
1M23N07404
FOREWORD
1
The GYA351 is a high performance, compact, and light weight
AVCS gyro developed for model aircraft ailerons, especially two
servos FLAPRON wing, control. Integrated sensor and control
circuit make it easy to mount.
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 (32g) have been achieved by the
use of high density mounting technology.
•Conductive resin case improves EMC resistance (electrostatic,
electromagnetic wave interference).
SET CONTENTS
2
•GYA351
•Double-sided
tape (3 sheets)
The GYA351 comes with the following accessories:
•Mini screwdriver
(for adjustments)
GYA351 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: 32g (including connector)
Functions:
Gyro operation direction switch, Gyro gain trimmer, Control gain
trimmer
NAME AND FUNCTION OF EACH PART
3
•Monitor LED
Monitors the operating status of the GYA351. See the table
below for the display contents.
•Gyro direction of operation selector
switch (ch1)(DIR.A)
•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 (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 opera-
tion modes simultaneously with gain switching.
•Ch6 input connector (black)
Connects to ch6 servo output connector of
the receiver.
•Servo output con-
nector
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.
GYA351 operation modes
The GYA351 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.
•Gyro direction of operation selector
switch (ch6)(DIR.F)
Selects the direction of operation of the gyro. If the
servo moved when the fuselage was moved in the
aileron axis direction and the servo 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.
•Ch1 input connector (black)
Connects to ch1 servo output connector of
the receiver.
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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

When there is no vacant channel that can be used for gain switching,"Standard setting" cannot be performed. See "Beginner setting"

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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