Composite Signal Converter „QC07“
Item No.: 20 89 42
Version 11/10
Table of Contents
1. Introduction ................................................................................................................... 3
2. Intended Use ................................................................................................................ 4
3. Product Description ...................................................................................................... 4
4. Scope of Delivery .......................................................................................................... 5
5. Explanation of Symbols ................................................................................................ 5
6. Safety Information ......................................................................................................... 6
a) General information ............................................................................................... 6
b) Before Operation ................................................................................................... 7
c) During Operation ................................................................................................... 7
7. Notes on Batteries and Rechargeable Batteries .......................................................... 8
8. Connections and Displays ............................................................................................ 9
9. Connection Options .................................................................................................... 10
a) Connecting the Receiver ..................................................................................... 10
b) Composite Output Signal ..................................................................................... 12
c) LED Status Display .............................................................................................. 13
d) Composite Signal Inverter Commissioning ......................................................... 14
10. Maintenance and Care ............................................................................................... 15
11. Disposal ...................................................................................................................... 15
a) General Information ............................................................................................. 15
b) Batteries and Rechargeable Batteries ................................................................. 15
12. Technical Data ............................................................................................................ 16
Page
2
1. Introduction
Dear Customer,
Thank you for purchasing this product.
This product complies with the applicable statutory, national and European specifications.
To maintain this status and to ensure safe operation, you as the user must observe these oper-
ating instructions!
These operating instructions are part of this product. They contain important
information concerning operation and handling. Please bear this in mind in
case you pass on the product to any third party.
Therefore, keep these operating instructions for future reference!
All company names and product names are trademarks of the respective owners. All rights
reserved.
In case of any technical questions, contact or consult:
Tel. no.: +49 9604 / 40 88 80
Fax. no.: +49 9604 / 40 88 48
E-mail: tkb@conrad.de
Mon. to Thur. 8.00am to 4.30pm
Fri. 8.00am to 2.00pm
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2. Intended Use
The composite signal converter „QC07“ is solely designed for private use in the model construction area and the operating times associated with it.
The product must not become damp or wet. The electronics are designed for use at an operating
temperature from 0°C to +40°C.
This product is not suitable for other types of use. Any other use may damage the product.
Moreover, it would involve dangers such as short-circuit, fire, electric shock, etc. Observe the
safety instructions under all circumstances!
Observe all safety notes in these operating instructions. They contain important
information regarding the handling of the product.
You are solely responsible for the safe operation of the model with composite signal
converter!
3. Product Description
The „QC07“ composite signal converter is an electronics PCB ready for operation that enables
operation of a composite signal controlled model such as the „QuadroCopter 450“ with a common RC receiver.
With a common receiver, a separate control signal is generated for each servo and sent to the
respective servo plug contact at the receiver. The composite signal converter reassembles the
different servo impulses and outputs them as a serial composite signal. Up to 8 channels can be
used for formation of the composite signal.
The receiver can be supplied with 5 V/DC by the composite signal converter. No additional
voltage supply is required for use in the „QuadroCopter 450“.
The electronics are not protected from moisture and other environmental influences and must
only be used inside the model. The inputs and outputs are provided by common plug connections or to be connected via the included cables.
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4. Scope of Delivery
• Composite Signal Converter „QC07“
• Receiver connection cable
• Operating instructions
5. Explanation of Symbols
The symbol with the exclamation mark points out particular dangers associated with
handling, function or operation.
The „arrow“ symbol indicates special advice and operating information.
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6. Safety Information
In case of damage caused by non-compliance with these safety instructions
the warranty / guarantee will become void. We do not assume any responsibility
for consequential damage!
We do not assume any liability for damage to property or personal injury caused
by improper use or the failure to observe the safety instructions! In such cases
the warranty/guarantee is void.
Dear Customer,
These safety instructions are not only for the protection of the product but also for
your own safety and the safety of others. Therefore, read this chapter very carefully
before putting the product into operation!
a) General Information
Caution, important note!
Operating the model may cause damage to property and/or persons. Therefore, make
sure that you are properly insured when using the model, e.g. by taking out private
liability insurance. If you already have private liability insurance, inquire about whether
the operation of the model is covered before operating it.
• The unauthorized conversion and/or modification of the product is prohibited for safety and
approval reasons (CE).
• The product is not a toy and should be kept out of reach of children under 14 years of age.
• The product must not become damp or wet. The electronics are designed for use at an operating
temperature from 0°C to +40°C.
• If you do not have sufficient knowledge yet of how to operate remote-controlled models and
RC systems, please contact an experienced model sportsman or a model construction club.
• Do not leave packaging material unattended. It may become a dangerous toy for children.
• Should questions arise that are not answered by this operating manual, contact us (for contact
information, see chapter 1) or another expert.
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b) Before Operation
• Make sure that no other models are operated within the range of the remote control on the
same remote control channel (transmitter frequency). Otherwise, you will lose control of the
remote-controlled models! Always use different channels if you wish to operate two or several
models in direct proximity of each other simultaneously.
• Always switch on the transmitter first and then connect the model’s drive battery at once.
• Check the functional reliability of your model and of the remote control system. Watch out for
any visible damage such as defective plug connections, loose screws or damaged cables.
• Charge the drive battery, which is necessary for operation, as well as the rechargeable battery
needed in the remote control according the instructions indicated by the manufacturer.
• When connecting LEDs, servos or connection lines, ensure secure contact. Loose or loosened
plug connections may cause interferences leading to loss of the model.
c) During Operation
• Do not take any risks when operating the product! Your own safety and that of your environment
is solely down to you being responsible when dealing with the model.
• Improper operation can cause serious damage to people and property! Therefore make sure
to keep a sufficiently safe distance to persons, animals or objects during operation.
• Fly your model only if your ability to respond is unrestricted. The influence of tiredness, alcohol
or medication can cause incorrect responses.
• Never switch off the remote control (transmitter) while the model is in use. After landing, always
disconnect the drive battery from the model first. It is only after this that the remote control may
be turned off. Never switch off the transmitter during operation.
• Never expose your model or the remote control to direct sunlight or excessive heat for an
extended period of time.
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7. Notes on Batteries and Rechargeable Batteries
Despite the fact that handling batteries and rechargeable batteries in daily life
nowadays is a matter of fact, there are still numerous dangers and problems involved.
For LiPo/Lion rechargeable batteries in particular, various regulations must be
observed under any circumstances due to their high energy content (in comparison
to conventional NiCd or NiMH rechargeable batteries), because otherwise there is
danger of explosion and fire.
Ensure that you observe the following information and safety measures when handling
batteries and rechargeable batteries.
• Keep batteries/rechargeable batteries out of the reach of children.
• Do not leave any batteries/rechargeable batteries lying around openly. There is a risk of batteries
being swallowed by children or pets. If swallowed, consult a doctor immediately!
• Batteries/rechargeable batteries must never be short-circuited, disassembled or thrown into
fire. There is a danger of explosion!
• Leaking or damaged batteries/rechargeable batteries can cause chemical burns to skin when
touched without the use of adequate protective gloves.
• Do not recharge normal batteries. There is a risk of fire and explosion! Only charge rechargeable
batteries intended for this purpose. Use suitable battery chargers. Batteries (1.5 V) are meant
to be used once only and must be properly disposed of when empty.
• Please observe correct polarity (plus/+ and minus/-)of a battery pack when connecting the
rechargeable battery. Wrong polarity may not only damage the flight model and the rechargeable
batteries. There also is a risk of fire and explosion.
• Never charge the enclosed drive battery immediately after use. Always leave the drive battery
to cool off first (at least 10 - 15 minutes).
• Only charge intact and undamaged batteries. If the external insulation of the LiPo battery is
damaged or if the rechargeable battery is deformed or bloated, it must not be charged. In this
case there is serious danger of fire and explosion.
• Never damage the outer cover of a drive battery, do not cut the foil cover, and do not prick the
LiPo battery with sharp objects. There is a risk of fire and explosion!
• Always remove the drive battery that is to be charged from the model and place it on a fireproof support. Keep distance to flammable objects and never cover the rechargeable battery
or the charger.
• Never charge rechargeable batteries without supervision and only use chargers suitable for
the battery.
• Disconnect the batteries from the charger when they are fully charged.
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8. Connections and Displays
The composite signal converter has the following connection contacts:
LED1
TP4
R17
C7
R5
TP7
R1 R9 R13
R2 R10 R14
R6
TP2
TP1
C1
R3R7R11 R15
R4
R8
ST2
C6
5
6
TP3
TP8
U1
C3
Q1
R12
ST3
R16
ST1
1
2
LED2
C5
R20
R19
C4
R18
R21
C2
Figure 1
LED1: Green LED indicator
LED2: Red LED indicator
ST3: Connection sockets for the receiver cable
ST2: Connection contacts for the composite signal
ST1: Programming plug for production-related settings
For a detailed description of the different contacts and the connection options, see
the following sections.
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9. Connection Options
Caution, important!
To use the „QuadroCopter“ with the composite signal converter, the QuadroCopter
must have firmware 2.1 or newer. Older QuadroCopter models can be updated to the
current software using the optional configuration sets. The respectively current
firmware is available online for download at www.conrad.com for QuadroCopter.
If you need more information on the current firmware, contact us (for contact
information, see chapter 1).
a) Receiver Connection
The receiver is connected to the socket „ST3“. A suitable connection cable for this is supplied
with the composite signal converter. The connection socket „ST3“ has 10 contacts that are numbered from the right to the left. Contact 10 is on the left, contact 1 on the right.
The contacts are assigned as follows:
Contact 10 = Channel 1
Contact 9 = Channel 2
Contact 8 = Channel 3
Contact 7 = Channel 4
Contact 6 = Channel 5
Contact 5 = Channel 6
Contact 4 = Channel 7
Contact 3 = Channel 8
Contact 2 = GND/Minus (-)
Contact 1 = 5 V/Plus (+)
R9 R13
10
R10 R14
C1
R4
R8
ST2
C6
R3R7R11 R15
ST3
R12
5
6
R16
1
ST1
1
2
Figure 2
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The signals of the 8 inputs (channels 1 – 8) are measured and processed by the composite
signal converter. All available signals are combined into a composite signal pursuant to the
specifications for RC remote control systems (pulse width between 1 ms and 2 ms). Due to
measuring of the signals and signal processing, there will be a delay of one frame length. However, this has no effect during operation and is therefore only mentioned for the same of completeness.
The measured servo signals may appear in any order, parallel, in sequence or overlapping.
There are no limitations, so that the composite signal converter can be used for all common
systems. A synch break between the different signals is also not required.
To connect the receiver to the included connection cable, best use a servo connection cable.
Shorten it to the required length and then solder it to the open ends of the included receiver
connection cable. The soldering connections are then insulated with a shrink hose.
For the receiver’s power supply, it is sufficient to solder on the contacts 1 (plus /+)
and 2 (minus/-) to a single servo connection cable.
Important!
Observe that the composite signal converter are assigned without gaps! In a 6-channel
system, this means inputs 1 - 6 and not 1 - 4 and then 6 and 7. With this assignment,
the electronics would not recognised channels 6 and 7!
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b) Composite Signal Output
The composite signal converter outputs the formed composite signal („SuS“) at the left contact
of the „ST2“ connection. This composite signal consists of so many single signals as measured
at the inputs. For example, if a 6-channel receiver is used, the composite signal also has 6
channels. Channel number recognition is performed via the valid signal measurement at the
inputs.
After removing the 35 MHz receiver from the QuadroCopter, connect the composite signal cable
to the connection „ST2“. The impulse line must be connected to the left contact of the „ST2“ plug.
The „SuS“, „+5V“ and „GND“ are to
be connected to the corresponding
connections of the main PCB (figure
3b) in the QuadroCopter.
Observe connection of the two pin
bars with the correct polarity!
R9 R13
R10 R14
ST3
R4
R8
R12
R16
ST2
ST1
C6
+5V
GND
5
6
1
2
Figure 3a
SuS
C1
R3R7R11 R15
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Figure 3b
c) LED Status Display
The composite signal converter has a green and a red LED for status display.
A green LED („LED1“) indicates that the electronics are in normal operation. This means that
servo signals can be measured and if required a composite signal can be generated. When the
greed LED goes out, there is a basic interference in the electronics.
A red LED („LED2“) shows that no servo signals are present. The reasons fort his may be receipt
interference, missing power supply of the receiver , switched-off transmitter of contact errors in
the connection lines.
LED2
C5
R20
R19
C4
C2
R18
R21
TP4
LED2
Rot
LED1
C3
R17
LED1
Rot
U1
TP3
TP8
Q1
C7
TP7
R5
R6
R1 R9
R2
TP2
TP1
R10
C
Figure 4
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Behaviour in case of receipt interferences
The composite signal converter measures the signal quality and thus also recognises receipt
interferences. Since channels 1 - 4 are mainly used for general control of models, they are
mainly targeted.
Interferences on channels 1 - 4
For these channels, verification of a valid pulse width (between 1 and 2 ms) is performed. If an
error is recognised, the composite signal is generated with the last valid value. When the error
rate exceeds the measure for proper receipt, the composite signal converter does not output any
composite signal anymore and activates the red LED. Now the receipt problem can be recognised by the downstream logic and no receipt problems are concealed.
If the input signal is valid again, the red LED goes out and a composite signal is generated.
Interferences on channels 5 - 8
If the receipt interference only acts on channels 5 - 8, a composite signal continues to be generated for channels 1 - 4 and channels 5 - 8 are output with an invalid pulse length. Thus, it is
possible to continue to control the model, but the interference can be recognised by a downstream logic at channels 5 - 8.
When the input signal is valid again, a regular composite signal is output.
d) Composite Signal Converter Commissioning
When the composite signal converter is connected to the receiver and the composite signal
cable of the QuadroCopter, you have to programme the channel assignment of the remote
control in the QuadroCopter.
The precise approach can be taken from the QuadroCopter operating instructions.
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10. Maintenance and Care
The electronics do not require any maintenance or care but should be protected from outside
influences such as moisture or wetness.
11. Disposal
a) General information
At the end of its service life, dispose of the product according to the relevant statutory
regulations.
b) Batteries and Rechargeable Batteries
You as the end user are required by law (Battery Ordinance) to return all used batteries/rechargeable batteries. Disposing of them in the household waste is prohibited!
Batteries/rechargeable batteries that include hazardous substances are labelled with
these icons to indicate that disposal in domestic waste is forbidden. The descriptions
for the respective heavy metal are: Cd = cadmium, Hg = mercury, Pb = lead (the
names are indicated on the battery/rechargeable battery e.g. below the rubbish bin
icons shown to the left).
You may return used batteries/rechargeable batteries free of charge to any collecting
point in your local community, in our stores or everywhere else where batteries/
rechargeable batteries are sold.
You thus fulfil your statutory obligations and contribute to the protection of the environment.
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12. Technical Data
Power Supply ............................................................... 5 V/DC
Power input ................................................................... Approx. 30 mA
Channel number of composite signal converter ........... max. 8
Dimensions (LxWxH) .................................................... 40 x 20 x 20 mm
PCB weight without cable and plug, weight approx. .... 10 g
Operating temperature range ....................................... 0°C to +40°C
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Legal Notice
These operating instructions are a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1, D-92240 Hirschau (www.conrad.com).
All rights including translation reserved. Reproduction by any method, e.g. photocopy, microfilming, or the capture in electronic
data processing systems require the prior written approval by the editor. Reprinting, also in part, is prohibited.
These operating instructions represent the technical status at the time of printing. Changes in technology and equipment reserved.
© Copyright 2010 by Conrad Electronic SE.
V2_1110_01
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