Bluelight BL-3G User Manual
Contents
1. User Manual saan Ultra Bright Navigation Landing Lights with Low Battery Detect Modes RC in amp out and Redundant Battery Connect Clean BEC Features Applications e 8 LEDs for Navigation Landing and Beacon lights Two modes e Scale RC Airplane UAV FPV o Ultra bright mode 8 000 11 800 mcd per LED e Multi copter and hybrid Aircraft o High brightness mode e RC Helicopter o Supports up to 16 LEDs in ultra brightness mode e Professional double blink strobe for rear Nav and strobe lights Size power and weight e _Li Poly Low battery detection Two modes o Voltage monitor selectable number of cells o Time out selectable time periods o Activation on first of above to occur option e Low Battery warning o Special LED blinking sequence on board Red LED o RC connector output pulse for external system use such as parachute e Li Poly 1 2 3 4 5 or 6 series cells supported up to 26v e RC Rx input to switch on off o Landing lights activated coincident with landing gear o 2 way or 3 way RC switch supported e RC Output battery redundancy o RC Rx back up power BEC function to 4A burst o Activation of external system in case of low battery e Right out of the box use for easy in field set up o Onboard DIP switches PC status tool also available e Optional operation from external 5v or 9v up to 26v supply e Operational temperature 30 C to 85 C e RoHS green compliant Landing light consta2. USB 2 0 Servos 24v 5 ng Front inner starboard g Gear starboa g tip 1 Optional Y cable l E et E for Landing gear On off 3 Connect the RC Rx output to the RC Rx input on off connector The BL NavLV will take power from this connector if no other battery is connected to it Set DIP1 to 1 3 off and 4 on for ultra bright or off for high brightness Set DIP2 to 1 3 off and 4 off for normal RC Tx switch operation or on for inverse as shown here If you have a TWO way switch on your transmitter DIP 2 SW 4 position RC Tx switch Nav lights Landing lights Off On High pulse output On On Off Low pulse output On Off On On High pulse output On Off Off Low pulse output On On If you have a THREE way switch on your transmitter DIP 2 SW 4 position RC Tx switch Nav lights Landing lights Off On High pulse output On On Mid Mid pulse output Off Off Off Low pulse output On Off On On High pulse output On Off Mid Mid pulse output Off Off Off Low pulse output On On Note if you wish to display the low battery flashing sequence after a set period of time simply Set DIP2 Switches 1 3 to the time period eg for 20 minutes 1 off 2 on 3 on Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 9 of 19 3 8 Nav Landing Lights On Off In low Voltage Detect Mode Simple connection to allow Nav
3. Landing lights to be switched on and off as required Note that if a Y cable is used the Landing lights can be switched on co incident with the landing gear being deployed Main battery Battery Y cable Servos Gear RC Rx bat Optional Y cable AE NE pi for Landing gear nena On off 1 Connect the main Li Poly battery here maximum of 6 cells in series 6s 3 Connect the RC Rx output to the RC Rx input The BL NavLV will take power from this connector if no other battery is connected to it Note the optional RC Rx bat connected to the RC Rx If the main LiPo battery goes down it may go down very quickly Set DIP1 to 1 3 off and 4 on for ultra bright or off for high brightness Set DIP2 to 1 3 off and 4 off for normal RC Tx switch operation or on for inverse as shown here If you have a TWO way switch on your transmitter DIP 2 SW 4 position RC Tx switch Nav lights Landing lights Off On High pulse output On On Off Low pulse output On Off On On High pulse output On Off Off Low pulse output On On If you have a THREE way switch on your transmitter DIP 2 SW 4 position RC Tx switch Nav lights Landing lights Off On High pulse output On On Mid Mid pulse output Off Off Off Low pulse output On Off On On High pulse output On Off Mid Mid pulse output Off Off Off Low pulse output On On Default with
4. Note Any time between 5 mins and 4 hrs can be set using 60 minutes PC tool and advanced commands see section 7 6 1 16 Verification of correct operation is achieved by checking the PCB LEDs E RED LED MM BLUE E YELLOW LED MM GREEN LED LED LiPo below safe operational level when flashing on off LiPo damage may result LiPo below very low level when constantly on see last page of this document System micro up and running flashing on off otherwise off LowVBat Mode selected Flashing longer time on than off LowVtime Mode selected Flashing longer time off than on Both LowVBat and LowVtime Modes selected Symmetrical flashing Test low battery alarm sequence Fast symmetrical flashing Only LED mode no battery monitoring Off Ultra LED brightness mode Bright Mode1 selected when on High LED brightness mode Bright Mode2 selected when off Note that these LEDs are tested once at system power up Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 4 of 19 3 0 Example Connections for Electric Aircraft 3 1 Typical Connection In low Voltage Detect Mode With this connection the battery low detect works on measuring the actual voltage on the main battery Small 9v bat Ext supply Sv 24v LEDs 9v o Battery Y cable Servos 1 Connect the main Li Poly battery here maximum of 6 cells in series 6s 2 Connect a small 9v battery here to power th
5. bluelight tech com The main Status screen is shown here for information Status Connection Battery Health Upgrade About Input Voltages RC in out signals V_in LiPo GSS cels ot ReRx in 1926us VinUSB O5H13IVi BL NevLV is plugged in via USB Lights Nav ON Landing ON V_in Backup BASIMI Vin RoR BIBS bss Arenas j Pulse goes high on low bat Lights waming sequence Whichever happens first Programming Switch DIP 1 Programming Switch DIP 2 SW1 OFF SW1 OFF sw2 OM LOW VOLTAGE MODE sw2 ON LiPo 3 Cells selected sw3 ON sw 3 ON ON OFF SW 4 ULTRA brightness mode selected SW4 TIME MODE mins selected 20 RC Rx out active HIGH pulse selected Advanced SCUE Read n ALL data from L g BL NavLV to PC status Bluelight Technologies www bluelighttech com V Loop USB PC Status tool Status tab The aircraft graphic lights will actually blink as the real BL NavLV will operate if connected via USB and set in loop mode constantly getting data from the BL NavLV module Hence the complete system can be checked out via USB prior to connecting any real LEDs Please take care to ensure an external power source is connected to the BL NavLV controller board if the LEDs are connected prior to plugging into the PC USB port Due to limited power output from the USB port incorrect functionality can occur Two further tools you may find useful are also provided as shown on the nex
6. minutes SzAuto qSzAuto Sets reads back the Automatic Snooze function setting 1 if set enabled 0 if not SzAT qSzAT Sets reads back the Automatic Snooze function timer l e the Alarm flashing sequence will automatically be disabled after this time in seconds default is 10 seconds Note it will come on again after SzTime seconds Limits are between 1 second 10 minutes 600 seconds n a qAlarm Reads back the Alarm status 1 if alarm has been set n a qSnooze Reads back if the unit is in Snooze mode 1 if yes n a qVin_LiPo Reads back the T connector connected battery voltage level n a qVin_USB Reads back the USB voltage level n a qVin_Backup Reads back the backup connected battery voltage level n a qVin_RcRx Reads back the RCRx connected battery voltage level PC tool System Commands EERASE n a Erases the entire EEPROM contents set to factory defaults at new power up AlarmDis n a Temporarily disables the flashing alarm completely need to power cycle to enable again Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 17 of 19 8 0 LiPo Battery low Warning Trigger Level LiPo batteries consist of multiple single cells 3 7 V connected together in series This discussion therefore focuses on a single cell case It is then an easy matter to just multiply the numbers up depending on how many cells you actually have in your LiPo battery LiPo batteries have different discharge characteristics de
7. no input is all lights enabled Note if you wish to display the low battery flashing sequence after a set period of time simply Set DIP2 Switches 1 3 to the time period eg for 20 minutes 1 off 2 on 3 on Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 10 of 19 4 0 Example Connections for Gas Aircraft 4 1 Fuel Low based on Flying Time Detect Mode The Low Voltage Detect flashing sequence can be initiated for gas aircraft simply based on the flying time The flight duration is used in this mode so this can be assumed to indicate a low fuel condition Servos 1sto 6s Small 9v bat Ext supply 5v 24v Option 2 The small 9v or any 5v 26v battery is an option if you don t want to drive the unit from the main supply via the on off switch in the example shown above 3 Connect an input from your RC Tx switch such as on off or gear down or any spare switch Set DIP1 to 1 3 off and 4 on for ultra bright or off for high brightness Set DIP2 to the time out time duration e g for 30 minutes 7 0n 2 off 3 off 4 off 4 2 Redundant Battery with Low Battery Voltage Detect Mode and Lights on off Connection with spare battery and detect if main battery goes low Also shown is connection of lights switch Main battery Spare battery ea mle Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 ll of 19 1 Connect the main LiPo electronics battery here minimum 5v maximum 1
8. 2v 2 Connect a secondary battery here If main battery goes down the second one will power the system including the RC Rx and servos 3 Connect an input from your RC Tx switch such as gear down via Y cable or any spare switch 4 Connect to RC Rx battery input or to any of the RC Rx unused outputs MUST use a two wire cable for power ground ie with NO signal wire Note the BL NavLV can supply 3A of continuous current 4A burst from the spare battery or main LiPo battery whichever is the greater voltage to the RC output connector 4 and onto the RC Rx and servos This is normally adequate for most multi servo aircraft but for larger multi servo aircraft the servo power requirements should be checked Set DIP1 to the number of cells in your battery For 2 cells 1 off 2 on 3 off and 4 on for ultra bright Set DIP2 to all off 5 0 Low Volt LowVBat Mode or Time out LowVtime Mode flashing sequence The unit can be tested to see the warning either LowVBat Mode or LowVtime Mode flashing sequence by setting DIP1 to all on The sequence for all LEDs is Sleep 2s on 200ms off 240ms on 200ms off 240ms on 200ms and repeat Note if a 3 way switch is used the all LEDs off position will also switch this test sequence off 6 0 Battery Requirements 6 1 Simple 9V Battery The BL NavLV requires around 1 Watt of power to operate Assuming it doesn t power any external RC Rx or servos Hence a 9v battery typical
9. 6 2v Ext Supply input V Nominally min 5v to absolute max 26 2v RC Rx input on off input V Nominally min 5v to absolute max 7 5v as power input input to ADC RC output output V 5 2V max 3A continuous 4A bursts then 5v BEC function RC output input V Nominally min 5v to absolute max 26 2v as power input USB Mini USB V2 0 absolute max 6 5v Signal Interfaces RC Rx input PWM input Nominally min 1 ms max 2 ms 15ms period Ov to absolute max 7 5v square wave RC output output Nominally min 1 ms max 2 ms 15ms period Ov to 5 2v square wave LED indicators Red Battery Warning Flashing LiPo in danger zone running low Continuously on LiPo voltage very low state Blue System Operational Intermittent flashing System micro up and running Green Mode indication Continuous Ultra bright mode Off High brightness mode Yellow Low bat detect mode More on than off LowVolt mode more off than on LowTime mode symmetrical on off Both modes DIP Switches DIP1 4 switches LowVBat mode cell count and LED brightness mode DIP2 4 switches LowVTime mode duration programming and RC Rx input RC Rx output invert Operational and Conformance IEC Designed to meet IEC 61000 4 2 level 415 kV air discharge 8 kV contact discharge MIL Designed to meet MIL STD 883G Method 3015 7 class 3 Human body model RoHS Compliant Temperature 30 C to 85 C Protection PCB A is sprayed with an acrylic coating for protection against fing
10. Rx Tx switch b Nav lights only All lights off All lights on 3 way Rx Tx switch Note that with no connection as per step 2 and Li Poly battery drained the PCB will take power from this connector if necessary If you would like something to happen when the battery has been detected as being low you can connect this RC output signal between 1ms and 2ms with 15ms period at 5v to an external device such as a parachute deployment servo The on off level can be inverted with the DIP2 Note that if you have a battery connected as per step 2 this will serve as an RC Rx power supply BEC in case of main Li Poly battery failure 5 2v nominally 5 We provide a USB2 0 for firmware upgrade for future operationally different solutions to run on the same PCB Please visit our website to check up on availability of different firmware Not needed for normal operation of this product 6 thru to 13 connect up the LEDs to the locations as shown on the front cover diagram 3 4 Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 3 of 19 14 DIP7 Select the set up options you would like to implement on DIP1 The BL NavLV can be used to output a special sequence of flashes on all the LEDs to show that the battery is running low This can be achieved with either the BL NavLV checking the battery LowVBat Mode or by setting a time period after which you would like the LED indication to happen LowVtime Mod
11. Technologies Co Ltd BL NavLV User Manual V1 1 13 of 19 7 3 LED lead lengths changes The length of the twisted pair cables can be reduced or increased as desired There is no real practical limit to the length but we suggest no longer than 4 meters 7 4 Alternative Connections It is perfectly safe to swap LEDs i e any LED can be plugged into any controller board LED output connector 7 5 Operation with LiPo batteries larger than 6 cells If you have more than 6 cells you can still use the BL NavLV with all its features Each LiPo has a balance connector which outputs the voltage on each of its internal cells You can make up a special cable to allow just one of the cells voltage to be monitored one cell connection ground Then set the BL NavLV up with 1 cell selected on DIP1 You will also need to supply an alternative power source to the BL NavLV such as 5v or higher into the Ext Supply input or into the RC Rx input Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 14 of 19 7 6 Optional PC Status and Advanced Set up Tool If you wish to check the status of the BL NavLV unit including voltage levels of batteries you connect to it you can use the PC status software It will also aid in setting up the unit to your exact requirements Supports Windows platforms only XP Vista 7 and 8 Runs on 64 bit machines in 32 bit mode Requires NET framework The tool is available free from the bluelight website www
12. e If both options are set the low battery LED sequence will be initiated when the first of these conditions is met Switches 1 2 and 3 are used to select the number of cells you have in your Li Poly battery If these switches are all set to off it means the detection of a low voltage in LowVBat Mode is disabled SW 1 SW2 SW3 off off off off on on on on off off on on off off on on off on off on off on off on SW4 LowVBat Mode Off on Bright mode 1 Ultra brightness 1 cell off Bright mode 2 High brightness 2 cells 3 cells 4 cells 5 cells 6 cells LowVtest If all switches are set to on the LEDs will flash in the low battery test pattern so as to familiarize the RC pilot with the flashing sequence when a real low battery condition is met 15 DIP2 Select the set up options you would like to implement on DIP2 Switches 1 2 and 3 are used to select the time before the low battery level LowVtime Mode is activated If these switches are all set to off it means the detection of a low voltage in LowVtime Mode is disabled SW1 off off off off on on on on SW2 SW3 off off off on on off on on off off off on on off on on SW4 LowVtime Mode Off off RC out invert off max pulse when low bat 10 minutes on RC out invert on min pulse when low bat 15 minutes 20 minutes Note DIP2 SW4 also inverts the RC In function 30 minutes 40 minutes 50 minutes
13. e LED NAV PCB in case of main battery failure Set DIP1 to the number of cells in your battery For 3 cells 1 off 2 on 3 0n and 4 on for ultra bright Set DIP2 to all off 3 2 Nav LED Connection Only No low battery indication No voltage detect or timer Only LED Nav lights operational 1s to 6s USB 2 0 Small 9v bat Extsupply Sv 24v 2 a Front inner port wing Front inner starboard wing 2 Connect only a battery or supply typically 9v battery or 5v 6v supply in here Set DIP1 to 1 3 off and 4 on for ultra bright or off for high brightness Set DIP2 to all off Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 5 of 19 3 3 Typical Connection In Time Out Detect Mode With this connection the battery low detect works on a fixed time elapsing after being powered up Small 9v bat Ext supply 5v 24v LEDs 9v i Battery Y cable Servos 1 Connect the main Li Poly battery here maximum of 6 cells in series 6s 2 Connect a small 9v battery here to power the LED NAV PCB in case of main battery failure Set DIP1 to 1 3 off and 4 on for ultra bright or off for high brightness Set DIP2 to the time out time duration eg for 20 minutes 1 off 2 on 3 on 4 off 3 4 Typical Connection In Low Voltage AND Time Out Detect Modes It is possible to have the BL NavLV perform its low voltage detect flashing sequence on whichever of the two events happens first T
14. ecific information from the unit If information is to be written into the unit the following command format is to be used To set a parameter e g for the V_trig command To read back a parameter e g for V_trig V_trig 3 41 qV_trig response is V_trig 3 4100 Set Query Comments Command command PC tool Advanced Commands V_trig qV_trig Sets reads back the low battery level per cell to trigger the low battery flashing sequence default 3 4V per cell T_trig qT_trig Sets reads back the time delay in minutes prior to triggering the low battery flashing sequence If programmed to a value between 5 and 240 minutes it will override the values obtained via the on board switches If previously set up can set to 0 to cancel BL NavLV PCB switches MUST be set in LowVtime mode PWM_ period qPWM_period Sets reads back the output PWM period in us default 15000us Practical limits should be between 20000us and 1400us Hyst qHyst Sets the hysteresis in the trigger point detect voltage limits 0 to 10 of the single cell low voltage trigger level Default is 1 SzTime qSzTime Sets reads back the time in seconds the low battery alarm flashing sequence is temporarily disabled after entering snooze mode The alarm will again be activated on exit if set on a time out of if set on a low voltage detect only if the low voltage condition is still present Default is 5
15. erprints grease Flashing sequence Meets FAA Doc No 5066 29 FR 18291 Incl Amdts up to 25 41 42 FR 36970 July 18 1977 Note If using the BEC output function cannot have only RC Rx input 5V as input power source Must have a power source of minimum 6V preferably higher Only 3A for input voltages above 12v Cells 1 2 3 4 5 6 High Level V 4 2 8 4 12 6 16 8 21 0 25 2 Low level V 3 7 7 4 11 1 14 8 18 5 22 2 Very Low V 3 3 6 6 9 9 13 2 16 5 19 8 Trigger V default 3 4 6 8 10 2 13 6 17 20 4 Note1 By default the trigger point for low battery level detect is 3 4V per cell This to protect the LiPo battery Trigger level value can be changed with advanced command see section 7 6 1 of this document Note2 Hysteresis at the trigger point value set to 1 by default Can change with advanced command Note3 LiPo battery voltage measurement error max 0 2 WARNING These LEDs are very bright please avoid direct close up eye contact See http www bluelight tech com BL NavLV htm for more information Contact info bluelight tech com All content copyright 2013 Bluelight Technologies Co Ltd 199 206 Moo3 Soi Tha It Rattanathibeth Road Muangnonthaburi Nonthaburi 11000 Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 19 of 19
16. evel a hysteresis value which by default is set to 1 of the trigger level so at 3 434V per cell nominally This hysteresis value can also be changed with the appropriate advanced command Note that voltage is not the only means to measure a LiPo cell capacity but it is a reasonably good approximation for most cases Actually measuring the current taken over time will give a very good indication of the charge remaining and therefore flight time remaining this especially true if temperature is also taken into consideration If you wish to trigger the BL NavLV flashing sequence once an external charge measuring equipment measures charge then a control voltage with trigger below the nominally 3 4V per cell threshold voltage can simply be input to the BL NavLV T connector instead of the actual LiPo battery Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 18 of 19 9 0 Electrical Specifications Feature Electrical Mechanical specification LEDs Nav Landing Warning All ESD protected to 415 KV Red LED 8 000 mcd typical luminous intensity 20mA 28 2 Viewing angle 30 Green LED 14 400 mcd typical luminous intensity 20mA 26 2 Viewing angle 30 White LED 11 800 mcd typical luminous intensity 20mA 28 2 Viewing angle 15 LED outputs Max current 40mA per channel Absolute max power 250 mW per channel Electrical Interfaces All ESD protected to 415 KV T Connector input V Nominally min 5v to absolute max 2
17. he detection of a low voltage on the main LiPo battery or a flight duration greater than a pre set value The connection is the same as in 3 3 above but the DIP switches must be set up for both detect modes Set DIP1 to the number of cells in your battery For 3 cells 1 off 2 on 3 on and 4 on for ultra bright Set DIP2 to the time out time duration eg for 20 minutes 1 off 2 on 3 on 4 off Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 6 of 19 3 5 Battery Redundancy For Servos and RC Receiver By having two LiPo batteries connected if one battery goes down eg main battery below the voltage of the spare battery no current will be taken out of it Instead power will be taken from the good battery instead Spare battery Ext supply Sv 24 E Battery Y cable Servos 1 Connect the main Li Poly battery here maximum of 6 cells in series 6s 2 Connect a secondary Li Po battery here If main battery goes down the second one will power the system including the RC Rx and servos 4 Connect to RC Rx battery input or to any of the RC Rx unused outputs MUST use a two wire cable for power ground ie with NO signal wire Note the BL NavLV can supply 3A of continuous current 4A burst from the spare battery to the RC output connector and onto the RC Rx and servos BEC function This is normally adequate for most multi servo aircraft but for larger multi servo aircraft the servo power require
18. ly with 550 mAh rating will last for 0 55 1 9 5 0 hours with LEDs in Ultra bright mode 6 2 Small 2s LiPo Battery With a 7 4v 2s 1000 mAh LiPo will last for 1 0 1 7 4 7 4 hours with LEDs in Ultra bright mode 6 3 Medium 3s LiPo Battery With an 11 1v 3s 2200 mAh LiPo will last for 2 2 1 11 1 24 4 hours with LEDs in Ultra bright mode Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 12 of 19 7 0 Advanced Features 7 1 Snooze Mode When you re flying and the alarm for low battery activates either via the time out mode or the low LiPo battery voltage detection it may be that you wish to have the Navigation and Landing lights operate as normal for the landing Simply move the switch to a new position and the alarm sequence will be disabled for a period of 5 minutes by default This parameter can be changed via the advanced commands see section 7 6 1 Note that when Snooze mode exits the warning flashing sequence will again be activated if you were in time out mode or in low voltage detect mode if the low battery condition is still present If you do not wish to toggle a switch to disable the alarm flashing sequence you can have the BL NavLV automatically do this for you after a certain time 10 seconds by default You can program this Auto Snooze feature via the advanced commands or if you don t wish to connect to a PC you can also program this in the following way 1 Remove all power to the BL Na
19. ments should be checked Set DIP1 to the number of cells in your battery For 3 cells 1 off 2 on 3 on and 4 on for ultra bright Set DIP2 to 1 3 off and 4 on to trigger chute with low RC signal or off to trigger on high RC signal Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 7 of 19 3 6 Parachute Deployment Mode If battery low detected If the main battery goes low a parachute servo is deployed via the RC output connection Main battery Small 9v bat Ext supply 5v 244 LEDs Front inner port wing Front inner starboard wing Battery Y cable Servos sa 5v Parachute gt D servos 1 Connect the main Li Poly battery here maximum of 6 cells in series 6s 2 Connect a small 9v battery here to power the LED NAV PCB and parachute servo in case of main battery failure 4 Connect a small deployment servo here the RC output can support 3A current so this will be no problem 4 Set DIP1 to the number of cells in your battery For 3 cells 1 off 2 on 3 on and 4 on for ultra bright Set DIP2 to all off l Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 S of 19 3 7 Nav Landing Lights On Off With Optional Low Battery Detect Time Mode Simple connection to allow Nav Landing lights to be switched on and off as required Note that if a Y cable is used the Landing lights can be switched on co incident with the landing gear being deployed Main battery
20. nt on 80 x 50 mm controller unit 8 x LEDs with 1m 39 cables supplied 5mm LED diameter Power lt 1W with x8 ultra bright LEDs All up weight is 87g 45g controller only Underneath O wee Forward facing Landing light Landing light constant on constant on O O Nav light constant on Nav light constant on O O Strobe Nav light Strobe Nav light blinking on off blinking on off Can support x 2 LEDs per output pie LEDs in fee I X 8 Fresnel lenses for authenticity increased viewing angle CS Beacon a ee On top of blinking on off aircraft fin See more details at www blueliaht tech com BL NavLV htm Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 lof 19 1 0 Block Diagram T flashing connector 3 3v to 24v 1s to 6s USB 2 0 Ext supply 5v 24v Micro LEDs processor Front inner port wing Front inner starboard wing Port wing tip 1 Starboard wing tip 1 LED connect LED connect Port wing tip 2 LED Starboard wing tip 2 Driver Nose Back of fin RC output For servo switching RC Rx input on off and RC Rx 5v back up power DIP1 DIP2 Wafer right angle EES n OD b 2 0mm connector SBCEPOPPFSDODOS Ultra bright LED lt i 1m twisted pair The PCB consists of the following connections Main Li Poly T connector for 1s to 6s battery connection Black is ground External supply for connection of for example a 9v ba
21. pending mainly on the C rating but also on the operational temperature and to a certain extent on the manufacturer A typical chart of the voltage level of the cell and the charge remaining is shown here for a particular 4200mA battery 44 4 2 4 0 3 8 Voltage V 3 6 3 4 3 2 3 0 2 8 0 600 1200 1800 2400 3000 3600 4200 4800 Capacity mAh As you see the cell capacity goes down almost to a plateau then falls off sharply at the right hand side Knee as the voltage falls So typically the LiPo can be charged up to about 4 2v and discharged down to around 3V However the battery will always have a minimum discharge level In other words a level where you must not discharge the battery further otherwise the battery will become damaged and no longer able to retain its full charge after the next charge cycle A typical number talked about is to run the battery down to 20 charge remaining i e to use only 80 of its total charge However each individual has his or her own preference for a multitude of reasons The BL NavLV has by default a level of 3 4V as the level at which a warning is issued special LED flashing sequence and controller PCB red LED flashing This 3 4V per cell threshold can be changed with the BL NavLV PC tool to any voltage level desirable See section 7 6 1 above Once a trigger condition has been found the normal LED operation will only be started again after the voltage rises to at least the trigger l
22. t page This tool will be updated to allow further changes in the future Hence an upgrade tab page is also provided to allow the BL NavLV firmware to be upgraded as required Please see our website for more details Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 15 of 19 Other tools that may be of interest are as shown here Status Connection Battery Health Upgrade About This page will help you connect up the BL NavLV to your aircraft Please reply to all the questions below to generate the connections diagram Connections Wizard Would you like to detect low battery status Reset wizard m Page 1 of 4 would like a warning after a certain time flying No warning flashing just need the Nav Lndg lights USB PC Status tool Connection Wizard tab Press to Check USB PC Status tool Battery Health tab Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 16 of 19 7 6 1 Optional PC Status Tool Advanced Commands At the bottom left of the Status tab page you will see an advanced check box option Clicking this makes the following screen visible v Advanced Command Interface Write qVin_USB Tx USB Sent Rx buffer Ok Clear This is the command interface Certain functionality of the BL NavLV unit can be customized with special commands Also status commands can be sent to glean sp
23. ttery x8 LED outputs supports x2 LEDs per output RC Rx input for on off lights switching o Nav and Landing lights on Nav lights only on 2 way Rx Tx switch o Nav and Landing lights on Nav lights on All lights off 3 way Rx Tx switch e RC output for on off of external device such as a parachute system or throttle cut off e x2 DIP switches for functionality setting See section 2 0 Bluelight Technologies Co Ltd BL NavLV User Manual V1 1 2 of 19 2 0 Connection and Switches Connection is easily achieved by following the 16 steps here oo i Ji Ext supply Sv 24 BO O o oe 1 Connect the main Li Poly battery here maximum of 6 cells in series 6s 2 If you plan to use the low voltage detect function it is advisable to connect an external power supply here We suggest a standard 9V battery Note that ground is on the T connector side of the PCB and the voltage in the middle pin This interface can take any voltage from 5v up to 26v Note that if this input voltage is less than the main LiPo voltage the unit will not take power from it until the LiPo battery is flat Conversely if the voltage is higher than the LiPo battery voltage the unit will be powered only from this input If you wish to connect an RC Rx signal in here you can The default is to have all the LEDs active but you can have the option to switch on off as shown here a Nav lights only All lights on 2 way
24. vLV unit and set the DIP switches of both DIP 1 and DIP 2 to all ON 2 Power up the BL NavLV then set the DIP switches to your normal desired positions If you wish to change the Auto Snooze time from the 10s default you will again need to refer to the advanced commands SZAT in section 7 6 1 To again de activate this Auto Snooze mode feature simply repeat the above but with all DIP 1 and DIP 2 switches to OFF prior to power on 7 2 Connection of more LEDs For pilots interested in specific configurations it is possible to connect another LED in parallel This is achieved by simply connecting another LED in parallel to an existing one with your own special cable For example you may wish to add additional green and red navigation lights No more than two LEDs per output otherwise damage may occur to the PCB see note below Any additional LEDs will operate at the same brightness level as the originals White and Green LEDs Ultra bright LED Second LED Red LEDs m Ultra bright RED LED Take care if you intend to use your own 39 Q Resistors LEDs A 39 Q 250mW current limiting resistor is needed for the red LEDs This MUST be installed or BL NavLV damage may result 5 Second RED LED Simply splice in an additional LED as shown above Note that the red LEDs have a small current limiting resistor close to the LED itself Additional sets of LEDs and connectors can be bought from bluelight tech com website Bluelight
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