background image

 

12

Audio

 

Options

   

 

 

Range:

 

1

 

to

 

32

 

/

 

Default:

 

32

 

The

 

Audio

 

Options

 

setting

 

controls

 

how

 

the

 

onboard

 

piezo/beeper

 

is

 

utilized

 

throughout

 

flight

 

operations.

  

Aside

 

from

 

the

 

drogue

 

or

 

main

 

activation,

 

activating

 

the

 

piezo

 

it

 

is

 

the

 

single

most

 

battery

 

intensive

 

task

 

the

 

altimeter

 

performs.

  

The

 

setting

 

is

 

specified

 

in

 

a

 

binary

based

 

value

 

according

 

to

 

the

 

following

 

table:

 

 

Beep

 

Battery

 

Voltage

 

(X.X

 

volts)

 

Pre

Launch

 

Setting

 

Value

 

+

 

1

 

Beep

 

Deployment

 

Mode

 

and

 

Main

 

Altitude

 

Pre

Launch

 

Setting

 

Value

 

+

 

2

 

Enable

 

Pad

 

Power

 

Saver

 

Mode

 

(disable

 

continuity

 

beeps)

 

Setting

 

Value

 

+

 

4

 

Beep

 

Peak

 

Flight

 

Velocity

 

Post

Flight

 

Setting

 

Value

 

+

 

8

 

Beep

 

Time

 

to

 

Apogee

 

(seconds)

 

Post

Flight

 

Setting

 

Value

 

+

 

16

 

Disable

 

all

 

Audio

 

Options

 

Setting

 

Value

 

+

 

32

 

 

For

 

example,

 

if

 

you

 

wanted

 

to

 

beep

 

the

 

Pre

Launch

 

Battery

 

Voltage

 

(+1)

  

and

 

in

 

addition,

 

employ

 

the

 

use

 

of

 

the

 

Pad

 

Power

 

Saver

 

Mode

 

(+4),

 

you

 

would

 

set

 

the

 

Audio

 

Options

 

setting

 

to

 

(5).

 

 

All

 

of

 

the

 

audio

 

option

 

settings

 

are

 

basically

 

self

explanatory;

 

the

 

exception

 

however

 

is

 

the

 

Pad

 

Power

 

Saver

 

Mode.

   

If

 

this

 

option

 

is

 

enabled,

 

the

 

continuity

 

beeping

 

you

 

hear

 

initially

 

in

 

Launch

 

Detect

 

Mode

 

will

 

stop

 

after

 

5

 

minutes.

  

In

 

place

 

of

 

continuity

 

beeping,

 

the

 

altimeter

 

will

 

emit

 

1

 

short

 

“beep”

 

every

 

15

 

seconds

 

to

 

indicate

 

it

 

is

 

armed

 

and

 

in

 

launch

 

detect

 

mode,

 

saving

 

a

 

lot

 

of

 

battery

 

power

 

for

 

your

 

inevitable

 

pad

 

wait

 

time

 

and

 

subsequent

 

flight.

 

 

Audio

 

/

 

LCD

 

/

 

Telemetry

 

Units

   

Range:

 

1

 

to

 

4

 

/

 

Default:

 

1

 

The

 

Units

 

setting

 

determines

 

how

 

the

 

RRC3

 

will

 

report

 

all

 

the

 

flight

 

performance

 

values.

  

This

 

setting

 

applies

 

to

 

all

 

forms

 

of

 

data

 

reporting

 

(the

 

audio

 

“beeping”,

 

the

 

data

 

displayed

 

on

 

the

 

optional

 

LCD

 

terminal,

 

and

 

the

 

values

 

transmitted

 

in

 

flight

 

via

 

the

 

telemetry

 

capability).

  

Choose

 

a

 

setting

 

that

 

is

 

most

 

appropriate

 

for

 

you

 

as

 

follows:

 

 

1.

 

Imperial

 

Units

 

(feet,

 

deg

 

F)

 

/

 

Velocity

 

(feet

 

per

 

second

 

/

 

fps)

 

2.

 

Metric

 

Units

 

(meters,

 

deg

 

C)

 

/

 

Velocity

 

(Kilometers

 

per

 

hour

 

/

 

KPH)

 

3.

 

Imperial

 

Units

 

(feet,

 

deg

 

F)

 

/

 

Velocity

 

(Miles

 

per

 

hour

 

/MPH)

 

4.

 

Metric

 

Units

 

(meters,

 

deg

 

C)

 

/

 

Velocity

 

(meters

 

per

 

second

 

/mps)

 

  

Low

 

Voltage

 

Lockout

 

Level

  

 

Range:

 

2

 

to

 

9

 

/

 

Default:

 

2

 

This

 

setting

 

will

 

validate

 

the

 

RRC3

 

battery

 

voltage

 

is

 

above

 

a

 

minimum

 

voltage

 

level

 

that’s

 

appropriate

 

for

 

your

 

battery

 

system.

  

A

 

setting

 

of

 

(2)

 

disables

 

this

 

lockout

 

feature.

  

If

 

this

 

lockout

 

feature

 

is

 

enabled,

 

and

 

the

 

battery

 

voltage

 

is

 

at

 

or

 

below

 

the

 

specified

 

setting,

 

the

 

unit

 

will

 

not

 

arm

 

itself

 

for

 

flight,

 

and

 

instead

 

activate

 

the

 

POST

 

fault

 

code

 

report

 

mode

 

(see

 

the

 

POST

 

fault

 

codes

)

 

 

Piezo

 

Tone

  

 

 

 

Range:

 

2

 

to

 

12

 

/

 

Default:

 

12

 

This

 

setting

 

determines

 

the

 

frequency

 

the

 

piezo

 

“beeper”

 

will

 

operate

 

at.

  

The

 

lowest

 

setting

 

will

 

result

 

in

 

a

 

higher

 

frequency

 

(6.25

 

KHz),

 

and

 

the

 

highest

 

setting

 

results

 

in

 

the

 

lowest

 

frequency

 

(1.04

 

KHz).

  

Use

 

this

 

when

 

multiple

 

electronics

 

are

 

onboard

 

your

 

rocket

 

to

 

distinguish

 

the

 

beeping

 

of

 

one

 

unit

 

from

 

another,

 

or

 

to

 

adjust

 

the

 

tone

 

to

 

a

 

frequency

 

that

 

you

 

can

 

hear.

 

 

Содержание RRC3

Страница 1: ...1 RRC3 Rocket Recovery Controller 3 User Manual Revision 1 60 Missile Works Corporation PO Box 1725 Lyons CO 80540 www missileworks com ...

Страница 2: ...launch elevation it then deploys the main parachute allowing the rocket to make a safe landing Primary Features Drogue and Main outputs Configurable Deployment operations Configurable Main and Arming altitudes User selectable beep frequency Configurable third Aux output 15 flight memory 28 minutes per flight Live data streaming and telemetry capability Specifications Microcontroller 16MHz 16 bit M...

Страница 3: ... providing additional output channels and timing Default Base Settings Arming Altitude 300 AGL Main Deployment Altitude 500 AGL Deployment Mode Drogue Apogee Main AGL altitude Audio Options Continuity Beep Units Feet Feet per second Low Voltage Lockout Disabled Piezo Tone 1 04 KHz Drogue Delay 1 second Used in Backup Mode only NOTE You can reset the settings of the RRC3 back to these defaults usin...

Страница 4: ... residue and over pressure Isolates the electronics from the aerodynamic pressure and vacuum during flight Provides uniform static pressure equilibrium to ambient pressure during flight IMPORTANT Inadequate sealing of the electronics bay or exposure of the electronics to ejection charge heat BP residue or pressure will cause the RRC3 to malfunction IMPORTANT Black powder residue is extremely corro...

Страница 5: ...tputs of the RRC3 are rated for 3A service When using other batteries chemistries that can source higher discharge currents users should ensure the output connections to the Drogue Main and Aux are not shorted and the connected electronic match loads do not exceed 3A to avoid damaging the unit The brownout capacitor is optimized to prevent an over current brownout condition when operating the RRC3...

Страница 6: ... out of the hole Maintain positive contact of the stripped wire ends while twisting them together to avoid power bobbles which can lead to brownouts or other undesired results including potential output event activations due to potential undefined states of operation It is best to tape the leads after twisting them then tape them to the airframe or poke the end into another hole on the airframe le...

Страница 7: ... 10 second launch commit test time silence 5 Launch Detect mode continuity beeps a A long beep indicates no continuity on any event terminal b One short beep indicates continuity on only the drogue terminal c Two short beeps indicate continuity on only the main terminal d Three short beeps indicate continuity on the main and drogue terminals Assuming the altimeter beeps out the expected continuity...

Страница 8: ...parasitic pressure effects impacting equilibrium rates and reliable recovery Advanced Features and Operation The RRC3 provides a number of advanced features and operations while still maintaining and providing the basics of simple and reliable dual event recovery and peak altitude determination These advanced features are easily accessible but do not interfere or get in the way of the basic functi...

Страница 9: ...start up delay The LED will flash on and off every 2 seconds while in this mode This delay period allows barometric stabilization and establishes an initial barometric history The RRC3 also looks for a Host Connection message from a host PC computer attempting to connect in Host or Simulation Modes These operations are covered in subsequent mDACS User Manual POST Mode Power On Self Test Once a bar...

Страница 10: ...any of the Pre Launch Audio options of the RRC3 they will be beeped flashed at this stage of operations These audio options include beeping flashing of battery voltage and Deployment modes see the following Base Settings section if the manual for more details Launch Commit Test The Launch Commit Test is a 10 second test operation that is a trial run of the Launch Detect Mode applying the currently...

Страница 11: ... 4 5 or 6 digits Should you have enabled any additional Post Flight Audio Options Peak velocity and or Time to Apogee they will beeped flashed here as well The RRC3 will continue to beep flash this data until powered off and repeat the cycle every 10 seconds Base Settings The RRC3 Base Settings are a collection of settings and controls that provide all the basic functions of the altimeter The foll...

Страница 12: ...able pad wait time and subsequent flight Audio LCD Telemetry Units Range 1 to 4 Default 1 The Units setting determines how the RRC3 will report all the flight performance values This setting applies to all forms of data reporting the audio beeping the data displayed on the optional LCD terminal and the values transmitted in flight via the telemetry capability Choose a setting that is most appropri...

Страница 13: ... are covered in the subsequent manual section DIP Switch 4 determines this basic selection of Settings access or Flight Log Test Mode access To start a setting session ensure the RRC3 is powered off and that it has a battery and power switch attached and read Also ensure the DIP switch 4 is in the OFF position Apply power to the RRC3 by activating the power switch You should hear the start of the ...

Страница 14: ...n the DIP switch and pushbutton interface can also provide access to the altimeter resident Flight Log data To start a Flight Log session ensure the RRC3 is powered off and that it has a battery and power switch attached and ready Also ensure the DIP switch 4 is in the ON position Apply power to the RRC3 by activating the power switch You should hear the start of the 5 second init tone At any poin...

Страница 15: ...lidate the active build you are running Use this Diagnostic to quickly validate and test the operational integrity of the barometric sensor system The Continuity Inputs diagnostic will read the status of the Drogue Main and Auxiliary and then beep flash the input status accordingly This test mimics the same continuity status beeping flashing while in Launch Detect Mode Long Beep Flash No continuit...

Страница 16: ...d via a standard Carriage Return character 0Dh Data Controls This setting enables the telemetry stream feature of the RRC3 Set this according to the specific requirements for your data stream LCD Setting Value Setting Description 0 No Telemetry Disabled 1 Telemetry Pre Launch 0 5 sec packet update rate 2 Telemetry Pre Launch 1 0 sec packet update rate 3 Telemetry Post Launch 0 5 sec packet update ...

Страница 17: ...ontrol sequence independent of the standard drogue and main functions performed by the RRC3 These settings provide a framework that allows you to design an output control sequence via the definition of a serialized flow of operations With one exception all Aux control sequences have a trigger event that initiates the control sequence When this trigger event is valid true optional secondary and ter...

Страница 18: ... Loop Comparator This Aux OCS setting combines the Trigger Event with an ensuing Loop Comparator operation Once the Trigger Event is activated the Comparator is then evaluated for validity continuously as long as the trigger event remains valid If the comparator result is valid then the Aux Output is activated Event Timer Loop Comparator This Aux OCS setting combines the Trigger Event with an ensu...

Страница 19: ...er event is defined 1 Launch Altitude Arming Altitude and unit has not reached apogee 2 Apogee Apogee was detected and Altitude Main Altitude 3 Main Main was deployed and unit has not landed 4 Landing Unit has landed Auxiliary Comparator Operation Whenever the Comparator is required by the active Aux OCS an appropriate Comparator Operation setting is required as well The Comparator Operation defin...

Страница 20: ...s how the Aux Output functions once it has been activated by a successful Aux OCS operation There are 3 distinct functions that this setting can establish Latched Output Once activated the Aux Output will be maintained ON in a Latched On state until a subsequent power off of the RRC3 One Shot Output The Aux Output will activate one time with a duration of 1 second This operation is identical to bo...

Страница 21: ...g your first motor anticipated burn time plus the coast time you desire before the staging or airstart event Timer intervals are express in 1 10th second values so for 3 seconds use a value of 30 Aux Output Control Sequence OCS Event Timer Auxiliary Trigger Event Launch Auxiliary Comparator Operation n a Auxiliary Comparator Value ACV n a Auxiliary Timer Interval 30 3 0 seconds Auxiliary Output Co...

Страница 22: ... Main Auxiliary Comparator Operation Alt ACV x 100 Auxiliary Comparator Value ACV 10 1000 ft Auxiliary Timer Interval n a Auxiliary Output Control Value 1 1 Shot Landing Locator Beacon This example allows you to operate a loud piezo or horn with a pulsed beep once the rocket has touched down to assist you in location and recovery operations The Aux Output will activate the horn for 1 second pause ...

Страница 23: ...nt altitude The formula is as follows The web reference can be found here http www srh noaa gov images epz wxcalc pressureAltitude pdf mDACS Geopotential Altitude Conversion If you have accurate temperature for your ambient launch conditions and for your apogee temperatures and you know accurate ambient launch humidity conditions you can apply the same Geopotential Altitude calculus used by NOAA r...

Страница 24: ...formance for a period of one year from the original date of purchase If the system fails to operate as specified then return the unit or units within the warranty period for repair or replacement at our discretion The system must be returned by the original purchaser and be free of modification or any other physical damage which renders the system inoperable Upon repair of replacement of the unit ...

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