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The Connection with the be-relayed receiver

Be-relayed receiver connect the SBUS signal to the signal acquisition system, or

connect the PWM signal needed to be transmitted to any of the PWM input pin on the
acquisition box.

Summary of Contents for 4047NB20

Page 1: ...ibration As for operation NB20 system is compatible with any receiver to construct a signal relay system It is highly compatible with mature products on the present market such as FUT JR HITEC TDF FS XINYI etc There is no need for consumers to change the old remote control system or any parameter settings to directly extend the remote control range PWM output and input is one to one It can relay s...

Page 2: ...ifferences Values below are typical Differences New model 4047NB20 Old Model 4047 Average RF power 5w peak number is 5 8W 1 6w peak number is 2W Sensitivity 115 dBm 112dBm Adjacent Channel Rejection Very High LOW Anti signal blocking Very High LOW Default operating frequency 435 2 5 445 2 5 455 2 5 433ISM 435 10 433ISM internal jumper settings Signal of servo for transmission 20 channels 10 channe...

Page 3: ...Components and Functions Transmitter RF output Output interface is 50 ohm SMA socket RF socket need to be connected to the antenna during the operation If RF socket is open circuit or short circuit the amplifier will be damaged by overheated ...

Page 4: ...anent damage DATA2 Data and power input socket 2 Functions are the same as DATA1 Notes When using the PPM mode 10CH PPM signal can be input through DATA1 The corresponding output of the UHF receiver is 1 10CH DATA2 can also input 10CH PPM signal the corresponding output of the UHF receiver is 11 20CH When using UART digital signal the functions of DATA1 and DATA2 are identical either of which can ...

Page 5: ...select low power mode SW1 will directly take effect when it is set before or after power on SW2 is designed for Failsafe setting ON indicates disable failsafe Servos will remain on the last position after losing signal OFF indicates enable failsafe After losing signal the receiver will read out servo position data which is previously stored in the receiver Note SW2 can only take effect when it is ...

Page 6: ... OFF indicates for the normal mode Note SW4 can only take effect when it is set before the transmitter power on SW5 and SW6 are designed for select the output frequency The frequency table is as follow SW5 is OFF SW6 is OFF 435Mhz amateur bands SW5 is OFF SW6 is ON 445Mhz amateur bands SW5 is ON SW6 is OFF 455Mhz amateur bands SW5 is ON SW6 is ON 433Mhz ISM band Please set the frequency according ...

Page 7: ...n before power on the transmitter Keeping pressing this button for 5 seconds after power on the transmitter the current servo position data will be stored in the receiver PB2 The receiver will be switched to the data copy mode by pressing the PB2 button before power on the transmitter ...

Page 8: ...t the current input data is being emitted into the air by the RF The meaning of Warning Tones do re mi Starting to transmit in 2W mode do re mi fa Starting to transmit in 5W mode mi re do Stop transmitting mi do delay mi do No signal being input into transmitter do delay do The transmitter is switched to the re debug mode do do do do Transmitter input signal is lost There is input signal line faul...

Page 9: ...Signal Acquisition System Power Terminal 12V DC power input Data Terminal ...

Page 10: ... the remote control equipment the R6203SB and R6014HS for example PIN3 PIN12 are PWM input which are used to connect with the output terminal of the R6014HS s PWM output The FUTABA servo for example white wire of which is PWM signal The PWM signal acquired by PIN3 PIN12 are corresponded to the CH1 CH10 PWM output signal of R4047NB20 receiver PIN17 PIN26 are PWM input which functions the same as PI...

Page 11: ...s logic signal If there is no load then no operation will be conducted and the transmitter will be in the normal mode When there is short circuit to GND the transmitter will move to IDLE mode with no signal transmitting and the IDLE LED will light up When there is open circuit to GND the transmitter will move to normal mode Note When input a mixed signal the PWM signal has priority over PPM and PP...

Page 12: ...will be output T4047NB20 transmitter will send output regular alarm to indicate no signal LED2 data output indicator Light up of LED2 means 20CH digital data is being output Common Indicators PPM LED It will light up after a valid PPM signal was detected S BUS LED It will light up after a valid SBUS signal was detected IDLE LED The T4047NB20 transmitter will move to IDLE mode when the IDLE control...

Page 13: ...10 PWM output PIN11 is CH1 CH10 PPM output PIN12 is CH1 CH18 SBUS output compatible with the FUT SBUS PIN13 PIN22 are CH11 CH20 PWM output PIN23 is CH11 CH20 PPM output PIN24 is RSSI output which the maximum current is 20mA with 50 Ohms internal resistance ...

Page 14: ...NT2 RF signal Signal Strength Indicator Note The scopes of the indication of RSSI and EMI signal are the same When indicate RSSI the more LED lights the stronger signal is received and the situation is better When indicate EMI the more LED lights the stronger interference is received and the environment worse LED1 LED5 are all off indicates that the input signal is less than 115dBm LED1 lit the in...

Page 15: ...nsmitter Installation Control Process Take FUTABA T12FG as example T12FG transmits signals to R6203SB and then R6203SB transmits the SBUS signal to the signal acquisition system subsequently the signal acquisition system transmits signals to T4047NB20 following that T4047NB20 transmits UHF RF signal to R4047NB20 and R4047NB20 output 18 channels of PWM signals to each servo The Installation of RF P...

Page 16: ...car antenna RG402 cable is recommended Data Interface and Power Supply Connection The data interface is RJ45 interface connected to the signal acquisition system with a flat 8 pin data cable The signal acquisition system is powered by large capacity batteries or by a car cigarette lighter ...

Page 17: ...hter The Connection with the be relayed receiver Be relayed receiver connect the SBUS signal to the signal acquisition system or connect the PWM signal needed to be transmitted to any of the PWM input pin on the acquisition box ...

Page 18: ... and the 12FG Under sync transmit 12FG powers on coupled with the 4047NB20 starting And when 12FG is off the 4047NB20 move to IDLE mode The configuration of 12FG is as followed The picture above shows FUNCTION settings CH12 is controlled by SH The picture above is 1 4CH Fail Safe setted to HOLD The picture above is 5 8CH Fail Safe setted to HOLD ...

Page 19: ...TE There has to be no electronic device within 30cm of the transmitter antenna including the signal acquisition system and the be relayed receiver Because the strong radio influence is very likely to cause signal instability and it may also cause the malfunction or permanent damage of the be relayed receiver ...

Page 20: ...Anti Interference and Safe Cabling Measures The picture above shows safe cabling method for the handheld antenna There is no electronic device within 30cm around the transmitter antenna ...

Page 21: ...he car antenna uses the RG402 cable or batter cable The Installation of Cooling Fan Under high power mode you need to install cooling fans You can firmly adhere it to the back of the transmitter with double sided adhesive tape The fan can be powered by any of the RJ45 socket on the transmitter ...

Page 22: ...ransmitter is to elevate it by using a tripod or the roof and the transmitter will be fixed by screws or adhesive tape Another way is to install it in the car using RF cable to connect with the transmitter The picture above shows the elevated antenna on the balcony ...

Page 23: ...The picture above shows the car antenna installation The RD6014 needs to be fixed on the inside glass of the car ...

Page 24: ... gyroscope the shock absorbing sponge is needed Otherwise in the strong shock Frequency drift of TCXO will reducing the signal quality The Connection of the Servo Antennas and Filters The servo insertion direction is as shown in the picture If you have a filter capacitor please insert it in socket of PIN24 The picture above shows the connecting location of the filter capacitor and the connection o...

Page 25: ...close to high power RF output sources or T4047NB20 s antenna otherwise the receiver will be permanently damaged or the signal will be blocked The Recommended Layout of Installation The picture above shows the location of the receiver in the cabin ...

Page 26: ...The picture above shows the position of ANT1 The picture above shows the position of ANT2 and video transmitter The video transmitter uses the RG402 cable which is the same as the car antenna cable ...

Page 27: ...itter s BIND button then power up the transmitter 4 At this time if the receiver receives the binding command the RSSI indicators will be lighted and then extinguish one by one which represent that the receiver is scanning the interference signal around in detail This scanning process will probably continues for 5 seconds 5 After scanning the receiver s DONE indicator will be lighted and transmit ...

Page 28: ...but didn t re bind A the A receiver is likely to be come out of control and very unreliable The Receiver Data Copy Second Receiver Binding This function is the upgrading and refining of the former TS4047 system If you need to use two or more receivers at the same time the data copy function is necessary The principle of this function is to copy the frequency hopping data in the first bound receive...

Page 29: ...th indicators will reduce one by one When the signal is poor the RX LED flashes irregularly and the antenna selection indicator will switch frequently If the distance is close or the signal is strong but the RX blinks irregularly it means that the current frequency band is very dirty Generally the 433ISM band will be very dirty in most of cities because all industrial devices use this frequency ba...

Page 30: ...less video transmitter had better use a separate battery and do not be connected on the same ground with the receiver battery When using fuel engine please pay attention to avoid shocks When using the gasoline engine please pay attention to the high voltage interference Step four tips for test flight Check the autopilot return switch s settings whether the R4047NB20 is set with failsafe and whethe...

Page 31: ... PPM signal equipment may result in this kind of situation B Check whether the servo is interfered by wireless video or the transmitter If there are high power transmitters in the vicinity of 20cm this jitter appears normal C The signal acquisition system is too near to the transmitter or the wiring is too messy D If using the SBUS input the unused PWM cables must be pulled out If the signal acqui...

Page 32: ...t is the problem of the 4047NB20 system itself or put CH4 to CH5 to see whether the CH5 can transmit normally Common Precautions 1 Before using the car antenna check whether it is in conflict with the car lock in case the door cannot be opened 2 The transmitter s power is high so it is likely to cause nearby electronic system out of order Please pay attention when you use it 3 When you use the tra...

Page 33: ...n the deterioration or damaging of the transmitter 12 The receiver fears vibration because the narrow band communication requires a high precision of frequency stability The crystal oscillator is made of quartz which also play important role in the gyroscopes So it is necessary to protect the receiver the same as the gyroscopes 13 If the receiver is connected to many servos there needs to be a ver...

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