FlytProf-Four User Manual
Contents
1. 1 00 ms 100000 AUX Drive 1 70 ms 101101 1 50ms 000001 1 50ms 000001 1 40ms 100110 Duration 10 secs 010100 30 secs 010010 1 sec 010010 1 sec 100000 NOTE the shaded entries in the tables above show values that cannot be programmed exactly so the nearest permissible settings are used In each case the difference is negligible FlytProf Four Free Flight Controller User Manual Issue 1 0 The information contained within this manual is believed to be correct 26 01 08 However no responsibility is assumed for its use Page 10 The Model Electronics Company Electronics made for Modellers Blank Programming Tables This section provides the user with some blank Programming Tables in a similar format to those given in the previous Programming Examples section Flight Title Ph Name Ph 1 Ph 2 Ph 3 Ph 4 Parameter Value DIP Sw Value DIP Sw Value DIP Sw Value DIP Sw ESC Drive AUX Drive Duration Flight Title Ph Name Ph 1 Ph 2 Ph 3 Ph 4 Parameter Value DIP Sw Value DIP Sw Value DIP Sw Value DIP Sw ESC Drive AUX Drive Duration Flight Title Ph Name Ph 1 Ph 2 Ph 3 Ph 4 Parameter Value DIP Sw Value DIP Sw Value DIP Sw Value DIP Sw ESC Drive AUX Drive Duration Flight Title2. 1 08 However no responsibility is assumed for its use Page 3 The Model Electronics Company Electronics made for Modellers Programming M ode Holding the push button pressed while powering up causes FlytProf Four to enter Programming Mode which it confirms by emitting 3 short beeps from the buzzer Releasing the push button causes the buzzer to emit a continuous sound indicating that the unit is waiting for a button press It is from this idle state that the user first selects which of the 4 Flight Phases is to be programmed The Flight Phase selection sequence is started by pressing and holding the push button The buzzer then starts emitting a sequence of four 1 second long silences followed by 1 second long bursts of bips indicating the four possible Phase selections Releasing the button during any one of the four 1 second burst of bips determines which of the four Phases is to be programmed in the following Phase Parameter programming section The Flight Phase selection is confirmed by the buzzer emitting a corresponding number of short bips NOTE the Flight Phase selection sequence is cyclic and so if the intended phase selection slot is missed then simply keeping the push button pressed until the appropriate slot in the next cycle will make the selection correctly The start of a new selection cycle is indicated by an extended period of silence Once the Flight Phase has been selected FlytProf Four automaticall
3. 7 ms j Programmable in 63 equal steps Duration N A Landing ESC Drive pulse width 0 98 1 00 1 02 ms Fixed AUX Servo pulse width 1 04 1 97 ms Setting as for Flight Phase 4 D efault Settings T able Parameter Flight Phase 1 Flight Phase 2 Flight Phase 3 Flight Phase 4 Units ESC Drive pulse width 1 75 1 50 1 30 1 25 ms AUX Drive pulse width 1 30 1 40 1 50 1 75 ms Duration 5 10 15 10 secs NOTE all specification and timing values assume a nominal supply voltage of 5V Issue 1 0 26 01 08 FlytProf Four Free Flight Controller User Manual The information contained within this manual is believed to be correct However no responsibility is assumed for its use Page 12 Electronics made for Modellers The Model Electronics Company Ap peds suonisod UO pue 4O a4 ur paved SUMS PNPNIPU eux 3ueseudau suuunjoo UPPS YAMS did eA ul ST pue SO 9u1 Ae SSZ L6 I L6 T ITIIII SLI L Ske EI TOTTIT G6 6r I1 67 T OIIIII SI CE T SC l OOTTIT OSC 96 T 96 T TTTTTO OLT CLE CL T TOTTTO 06 8v I 87 T OTTTTO VI PZ L YE T OOTTTO S Z v6 I v6 T IIIIOI GOT OL TT OL TI TOTTOT G8 9r I 97 T OTTTOT T Ze Ir CZ T OOTTOT Ove 6 I 6 T TTTTOO 091 69 T 69 T TOTTOO 08 Gv T SvV T OTTTOO GL IC L T T 001100 SEZ T6 T T6 T IIIOII SST L9 I L9 T TOTOTT GL r
4. FlytProf Four Free Flight Controller EA I User Manua The Model Electronics Company Electronics made for Modellers Table of Contents Heading Page Table of Contents IFC Introduction Flight Mode Flight Phase Timing In Flight Safety Features Programming Mode Phase 4 AU X Output Setting D efault Settings The Flight Control System Power Supply Electronic Speed Controller Auxiliary Servo Connecting Up Power U p Sequence Acknowledgement W iring Diagram PCB Component Layout and M echanical D etails Programming Examples Standard Flight taking off from the ground Double Climb and Glide Flight hand launched Timed De Thermaliser Function hand launched Oo OD WO O COO N N N CO aD DD Ua Ui A U N NY FF e e eO o0 Removing a Flight Phase m m Blank Programming Tables mn NO Specification Table m N Phase Timing and Signal Table D efault Settings Table DIP Switch Settings Table IBC mn NO FlytProf Four Free Flight Controller User Manual Issue 1 0 The information contained within this manual is believed to be correct 26 01 08 However no responsibility is assumed for its use IFC The Model Electronics Company Electronics made for Modellers Introduction FlytProf Four is a small self contained and simple to operate microprocessor based unit designed to provide electric free flight modellers with a means of controlling an aircraft s flight profile It operates as the central con
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6. Ph Name Ph 1 Ph 2 Ph 3 Ph 4 Parameter Value DIP Sw Value DIP Sw Value DIP Sw Value DIP Sw ESC Drive AUX Drive Duration FlytProf Four Free Flight Controller User M anual Issue 1 0 The information contained within this manual is believed to be correct 26 01 08 However no responsibility is assumed for its use Page 11 The Model Electronics Company Specification Table Electronics made for Modellers Parameter Min Typ Max Units Comment Supply Voltage 1 1 45 50 6 0 Volts Provided by ESC BEC function SupplyCurrent 4 15 mA Noexemaloads ESC amp AUX Servo Pulse Width Range 1 00 200 ms ESC amp AUX Servo Pulse Amplitude 4 0 5 0 Volts No external loads Phase Timing and Signal Table Phase Parameter Min Typ Max Units Comment Duration N A Determined by user with push button de ESC Drive pulse width 0 98 1 00 1 02 ms Fixed AUX Servo pulse width 1 48 1 50 1 52 ms Fixed Duration 0 02 1 28 sec Determined by Motor Speed setting Launch ESC Drive pulse width 1 04 1 97 ms Ramps up to programmed value AUX Servo pulse width 1 04 1 97 ms Setting as for Flight Phase 1 Duration 1 255 sec See DIP Switch Settings table Flight ESC Drive pulse width 1 04 1 97 ms Programmable in 63 equal steps n AUX Servo pulse width 1 04 1 9
7. e followed by a final circling descent into land Phase 1 Climb 1 Phase 2 Glide 1 Phase 3 Climb 2 Phase 4 Glide 2 Parameter Value DIP Sw Value DIPSw Value DIP Sw Value DIP Sw ESC Drive 1 55 ms 110001 1 85ms 011010 1 55 ms 110001 1 10ms 101000 AUX Drive 1 60 ms 011001 1 40ms 100110 1 60ms 011001 1 40 ms 100110 Duration 10 secs 010100 10 secs 010100 15secs 111100 20 secs 000010 FlytProf Four Free Flight Controller User Manual Issue 1 0 The information contained within this manual is believed to be correct 26 01 08 However no responsibility is assumed for its use Page 9 The Model Electronics Company Electronics made for Modellers Timed D e Thermaliser Function hand launched To avoid the risk of model fly away the AUX output may be used to provide a de thermaliser function in conjunction with a release pin arrangement Circling trim must be provided by a manual trim tab in this example A high motor power setting is used for the Climb phase followed by a reduced setting for the Cruise phase prior to shutting the motor down for an extended Glide phase During all these phases the AUX servo is set to its initial central position holding the release pin in place and at Phase 4 the release pin is pulled activating the DT mechanism O n recovering the model the release pin may be re in
8. e in which the ESC and AUX drives are set to the corresponding user programmed values and the duration timer is restarted with the next programmed value This process continues until each of the 4 Flight Phases has been executed and at the end of the Glide Phase the unit enters the Landing Phase shutting down the motor to bring the model down On recovery of the model the buzzer will be heard emitting 1 second ticks indicating that the flight sequence completed normally To accommodate flights that end prior to the programmed duration pressing the push button until a continuous sound is heard and then releasing it at any time after the completion of Flight Phase 1 cancels the current flight timing sequence and places FlytProf Four back into its Pre Launch condition ready to enter a new Launch Phase This permits a new sequence to be started without the need to cycle the power Flight Phase Timing To increase the unit s flexibility the Duration of each Flight Phase is programmable with two resolutions Settings in the first section of the DIP Switch Settings Table offer timings of between 1 and 15 seconds in 1 second steps FlytProf Four Free Flight Controller User Manual Issue 1 0 The information contained within this manual is believed to be correct 26 01 08 However no responsibility is assumed for its use Page 2 The Model Electronics Company Electronics made for Modellers while the remaining 3 sections permit Flight P
9. e next Phase Parameter Any or all of the Phase Parameters may be programmed as many times as required during each programming session NOTE the Phase Parameter programming sequence is cyclic and so if the intended programming Slot is missed then simply keeping the push button pressed until the appropriate slot in the next cycle will program the unit correctly The start of a new Phase Parameter programming cycle is indicated by an extended period of silence To exit Programming Mode switch off the power when FlytProf Four is in its idle state and emitting a continuous sound To program the Phase Parameters for another Flight Phase re enter Programming Mode by powering up the unit while depressing the push button Phase 4 AUX O utput Setting D uring the fixed Landing Phase FlytProf Four automatically sets the ESC output to 1 00ms to shut the motor down and additionally it maintains the user s programmed setting for the AU X output from Phase 4 It is therefore important to consider this aspect when deciding on the value to be programmed for the AU X output during Phase 4 D efault Settings FlytProf Four is shipped with a set of default Parameter values as indicated by the D efault Settings Table These provide a range of ESC and AUX output settings and short Flight Phase durations and are suitable for initial land based testing They may be restored separately for each of the four Flight Phases as a set of three Parameters a
10. ever no responsibility is assumed for its use Page 7 The Model Electronics Company Electronics made for Modellers W iring D iagram rr Motor ESC ae uad dun Battery Isolation 9 FPF Flight Servo O e Pack PCB Component Layout and M echanical D etails To PowerSwitch Oo 13 0 950 OFF ON FU ESC L 2095 0825 OV o SLd OSA OV Black 5V JO HN OJ 5V Red SIG O SIG Yellow White 1 DIP Switch 0 Push Button Buzzer ESC and atta IDISI Connections are on the rear of the PCB 4 off Holes 110 0 043 32 38 1275 2921 1 150 pa Dimensions in mm in FlytProf Four Free Flight Controller User Manual Issue 1 0 The information contained within this manual is believed to be correct 26 01 08 However no responsibility is assumed for its use Page 8 The Model Electronics Company Electronics made for Modellers Programming Examples To aid the understanding of the Programming process this section provides a few worked examples of Flight Profiles For each example a textual description is given followed by a table detailing the Parameter settings for each Flight Phase Standard Flight taking off from the ground This example describe
11. hase Duration values from 20 Seconds to 255 seconds 4 25 minutes in 5 second increments to be programmed NOTE contrary to typical mechanical timers in which all timers are started at launch FlytProf Four Starts timing each Flight Phase at the expiry of the previous Phase Thus for the normal application a setting of 10 seconds for each Phase results in a flight lasting for 40 seconds In Flight Safety Features FlytProf Four has two safety features built in to its program The first of these is a battery voltage detection system which in the event of a significant dip in supply voltage during a flight causes the unit to re enter its Pre Launch condition shutting down the motor On recovering the model the activation of this mechanism may be determined by a continuous tone being emitted from the buzzer rather than the normal 1 second ticks The second safety feature detects a stuck pushbutton At the end of the first Flight Phase R O G the pushbutton is checked and if it is found to be pressed the unit immediately enters a Safety Phase shutting down the motor and setting the AUX output to its central position to bring the model down The buzzer issues a buzzing sound to indicate that this mechanism has been triggered and the power must be switched off to cancel this condition FlytProf Four Free Flight Controller User Manual Issue 1 0 The information contained within this manual is believed to be correct 26 0
12. light and Programming Selection of the operating mode and control of the unit in each mode is performed by the board mounted push button with acoustic feedback provided by the on board buzzer FlytProf Four may be identified within the FlytProf family by the blue push button FlytProf Four Free Flight Controller User Manual Issue 1 0 The information contained within this manual is believed to be correct 26 01 08 However no responsibility is assumed for its use Page 1 The Model Electronics Company Electronics made for Modellers Flight Mode Powering up FlytProf Four without pressing the push button causes it to enter Flight Mode in a Pre Launch state In this condition the ESC drive is set to 1 00ms in order to arm the speed controller and the AUX drive is set to its central position of 1 50ms The buzzer emits a continuous sound indicating that the unit is waiting for the push button to be pressed Momentarily pressing the push button causes FlytProf Four to enter the Launch Phase in which it sets the AUX output and ramps up the motor speed to the values programmed in for the first Flight Phase O nce the motor has reached its programmed speed FlytProf Four automatically enters Flight Phase 1 the R O G Phase and begins timing its Duration Short ticks are emitted by the buzzer at 1 second intervals confirming that the timing system is operating correctly On expiry of the timer FlytProf Four enters the next Flight Phas
13. ller The choice of ESC is not critical and may be selected from the available range based on the preferred motor type brushless or otherwise and power rating It must be capable of accepting the standard R C servo control signal of a 20ms frame containing a 1 2ms positive going pulse and interpreting a pulse width of about 1 00ms as zero power and a pulse width of about 2 00ms as full power Additionally it must be verified that its on board BEC can provide enough current to drive the chosen AUX Servo and that it will operate successfully from the desired flight pack voltage some ESCs place a limit on the maximum number of flight pack cells if their on board BEC is to be used Auxiliary Servo The selection of AUX Servo is also not critical and should be based on the weight and power requirements of the model During a typical flight the AUX Servo is idle for most of the time operating for only a second or so at every Flight Phase change and thus its overall power requirements are very low Selecting a low current servo will reduce the risk of control system failure due to battery voltage droop FlytProf Four Free Flight Controller User Manual Issue 1 0 The information contained within this manual is believed to be correct 26 01 08 However no responsibility is assumed for its use Page 6 The Model Electronics Company Electronics made for Modellers Connecting Up Two non polarised 3 pin male connectors compatible with standard ser
14. ontroller User Manual The information contained within this manual is believed to be correct Issue 1 0 26 01 08 IBC However no responsibility is assumed for its use The Model Electronics Company The Model Electronics Company 68 Kentsford Road Kents Bank Grange over Sands Cumbria LA11 7BB United Kingdom http www omegaco demon co uk mechome htm
15. s a typical R O G Climb Cruise Glide Flight Profile The AUX output is connected to the rudder servo and is used to both counteract motor torque during climb and also to set the model into a turn during Cruise and Glide to bring it home For R O G a high power setting is used for a few seconds with corresponding right rudder to counteract motor torque This is followed by a more gentle setting for a longer Climb phase and in the Cruise phase the motor power is reduced further and the rudder set slightly left to induce the turn The Glide phase reduces the motor power still further and sets the rudder to a suitable position for Landing Phase 1 R O G Phase 2 Climb Phase 3 Cruise Phase 4 Glide Parameter Value DIP Sw Value DIPSw Value DIP Sw Value DIP Sw ESC Drive 1 70 ms 101101 1 50ms 000001 1 40ms 100110 1 20ms 110100 AUX Drive 1 70 ms 101101 1 60ms 011001 1 40ms 100110 1 40 ms 100110 Duration 5secs 101000 10secs 010100 15secs 111100 20 secs 000010 D ouble Climb and Glide Flight hand launched This example describes a hand launched flight with two separate Climb Glide sections Phase 1 is re assigned to provide the initial Climb and Phase 2 provides the first of the two Glide phases Phases 3 and 4 are set to duplicate this The intended flight pattern would be a 180 degree climb followed by a gradual low power circling descent A second longer circular climb would b
16. serted when FlytProf Four is in its Pre Launch condition with the AUX servo in its central position Phase 1 Climb Phase 2 Cruise Phase 3 Glide Phase 4 DT Parameter Value DIP Sw Value DIP Sw Value DIP Sw Value DIP Sw ESC Drive 1 60 ms 011001 1 40ms 100110 1 00ms 100000 1 00 ms 100000 AUX Drive 1 50 ms 000001 1 50ms 000001 1 50ms 000001 2 00ms 111111 Duration 10 secs 010100 10secs 010100 30secs 010010 3secs 110000 Removing a Flight Phase There may be occasions when all 4 Flight Phases are not required and this may be achieved by programming the unwanted Phases with minimum values for ESC D rive and Duration This shuts down the motor and produces a Flight Phase that lasts for only 1 second effectively removing it from the Flight Profile The choice of Phase to be removed is not critical but it is important to remember the following points 1 If a removed Phase is to be placed between two used Phases then ensure that the AU X output drive is set appropriately during the removed Phase 2 If the removed Phase is to be Phase 4 ensure that its AUX output drive is set to a value appropriate for the fixed Landing Phase Phase 1 Climb Phase 2 Glide Phase 3 Removed Phase 4 Removed Parameter Value DIP Sw Value DIP Sw Value DIP Sw Value DIP Sw ESC Drive 1 60 ms 011001 1 00ms 100000 1 00 ms 100000
17. t any time by first selecting the appropriate Flight Phase and setting the DIP switch to the all zeros code and programming any one of the 3 Phase Parameters Confirmation that the default values for the selected Flight Phase have been successfully restored is indicated by the buzzer emitting 4 short beeps rather than the usual two FlytProf Four Free Flight Controller User Manual Issue 1 0 The information contained within this manual is believed to be correct 26 01 08 However no responsibility is assumed for its use Page 5 The Model Electronics Company Electronics made for Modellers The Flight Control System Power Supply The Flight Control System is powered by the Battery Eliminator Circuit BEC within the ESC see the Specification Table section U sing this method the flight pack voltage is reduced within the ESC to about 5V and is typically provided on the central pin of its servo lead connector The FlytProf Four PCB is wired to route this supply via the Power Switch to the on board electronics and to the central pin of the AUX DTS connector Thus the flight pack provides power for the entire Flight Control System saving the weight and bulk of a separate pack NOTE in order to prevent possible erratic operation in flight it is important to verify by means of ground based testing that the BEC can provide enough current to drive the AUX Servo under worst case battery and load conditions Electronic Speed Contro
18. trolling element of a Flight Control System by stepping through a pre programmed sequence of timed Phases and for each Phase provides two standard R C servo drive outputs The first of these is intended to drive an external motor speed controller ESC to provide power control and the other usually connected to a servo provides an auxiliary AU X function and is connected to the PCB terminal marked DTS FlytProf Four enables complex flight profiles to be implemented by providing 4 fully independent user programmable Flight Phases which may be considered to provide the Rise off Ground Climb O ut Cruise and Glide sections of a typical flight The programmable Flight Phases are bracketed by two fixed Phases the Launch Phase which runs the motor up to the speed set in the R O G Phase while still on the ground and the Landing Phase in which the motor is shut down to bring the model down Each of the 4 programmable Flight Phases has programmable ESC drive AUX drive and D uration parameters see the Phase Timing and Signal Table section Setting of the three programmable parameters is achieved by means of an on board 6 way DIP switch and timed push button presses and once entered the flight profile program is stored in non volatile memory NVM ready for immediate use on the flying field There is no practical limit to the number of times the parameters may be re programmed FlytProf Four has two operating modes known as F
19. vo leads are fitted to the rear face of the PCB They are identified by the acronyms ESC and DTS and are intended for connection to the Electronic Speed Controller and Auxiliary Servo respectively Connection orientation is indicated on the PCB by means of an irregular outline corresponding to the shape of a typical servo lead plug and the pin assignments of each of these 3 pin connectors conforms to the standard OV 5V Signal adopted by Futaba JR Hitec etc see PCB Component Layout It is recommended that a device for isolating the battery is included in the wiring harness as shown on the W iring Diagram and using a suitably rated two part connector will also provide a convenient connection point for recharging the flight pack Power U p Sequence Before making the battery connection ensure that FlytProf Four s Power Switch is in the O ff position O nce the battery is connected the Flight Control System may be powered up by moving the Power Switch to the O n position Follow the reverse procedure to power the system down Acknowledgement Thanks are due to lan Middlemiss of Peterborough Model Flying Club for providing the original idea for the FlytProf free flight controller range and also for his considerable efforts and guidance during the development and testing of this product FlytProf Four Free Flight Controller User Manual Issue 1 0 The information contained within this manual is believed to be correct 26 01 08 How
20. y enters the next section of the programming process permitting the corresponding three Phase Parameters to be programmed It enters an idle state which is indicated by the buzzer emitting a continuous tone and it is in this idle state that the DIP switch may be set to determine the value of the parameter to be programmed see the DIP Switch Settings T able O nce the DIP switch has been set the Phase Parameter programming sequence is started by pressing and holding the push button This immediately silences the buzzer which then starts emitting a sequence of three 1 second long silences followed by 1l second long beeps indicating the three Phase Parameter programming slots Releasing the button during one of the three 1 second beeps determines which of the parameters is to be programmed 1 Motor Speed Pulse W idth in ms 2 Auxiliary O utput Pulse W idth in ms 3 Flight Phase D uration in seconds see DIP Switch Settings table FlytProf Four Free Flight Controller User Manual Issue 1 0 The information contained within this manual is believed to be correct 26 01 08 However no responsibility is assumed for its use Page 4 The Model Electronics Company Electronics made for Modellers Confirmation of programming is indicated by the emission of two short beeps and FlytProf Four then returns to its idle state with the buzzer sounding continuously waiting for a push button press to initiate programming of th
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