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Page 47

VP-X Installation and Operating Manual

Rev. D (August 5, 2020)

5.24b Backup Method B

Backup capability is the ability to provide power to an electrical device

independent of the switching internal to the VP-X.

Auto

To electrical device

To battery

To VP-X power pin

Fuse

(locate close to battery)

How it works: the switch is normally left in the Auto position, which provides

switched power from the VP-X to the electrical device. When the switch is

moved to the ON position, uninterrupted power is provided directly from

the battery to the electrical device. Make sure the switch and fuse are

appropriately rated for the load and wire size.

When battery power is

switched on, there is a break in circuit continuity

Whether this causes

the connected device to reboot is a function of the switch design and

device design.

We recommend testing this on the bench. Certain devices

like boost pump and lighting can cycle power without issue.
Example: You want to add backup capability to the boost pump, which in

this example requires a 10A circuit. Wire the boost pump to a 10A circuit on

the VP-X via a switch as shown above, and bring in a wire with a 10A fuse

directly from the battery.
If you are wiring a backup circuit for an alternator, be sure the alternator or

voltage regulator has built-in over-voltage protection. The backup circuit

bypasses the OV protection built into the VP-X.
Below is an example of two backup circuits wired to two different devices.

Note that each backup circuit has its own fuse, and that the fuse matches the

value of the electronic circuit breaker set in the VP-X.

J12

VP-X

Avionics

Master

Switch

DPDT

Switch

Device

Battery

Device

Example backup Method B circuit with two devices.

5.24c Backup Method C

Many modern EFISs have multiple, diode-isolated power inputs – typically a

primary and a secondary power input. The diode isolation ensures that each

power input is “independent” of the other power inputs. Method C allows

you to wire a backup circuit into the secondary power input on the EFIS (or

other device if that is the case) directly from the battery through a fuse and a

switch. The EFIS will automatically choose between the inputs and select the

one with the highest voltage.

EFIS

+ -

Battery

Fuse Block

Secondary Pwr In

Primary Power In

SPST

Switch

VP-X

Summary of Contents for VP-X Pro

Page 1: ...ronic Circuit Breaker System VP X Pro VP X Sport Installation and Operating Manual August 5 2020 Rev D Current as of software version 1 6 VP X Installation and Operating Manual Rev D Copyright 2020 Astronics ...

Page 2: ...allation of this product is safe reliable and accurate and to determine this product is operating properly after installation DO NOT INSTALL THIS PRODUCT If the aircraft owner pilot and or installer are unwilling to take the responsibility for the installation and operation of this product DO NOT INSTALL THIS PRODUCT This product may be returned for a refund by contacting Astronics It is possible ...

Page 3: ... 4 8b Low voltage Planning 21 4 9 Landing Light Wig Wag Pulsing Considerations 21 4 10 HID Light Considerations 21 4 11 Electronic Ignition Considerations 21 4 12 Electric Motor Considerations 22 4 13 VP X Planner 22 4 13a What if I run out of power pins 23 4 13b What if I run out of switch inputs 23 5 Installation 5 1 Pre Installation Tasks 24 5 2 VP X Installation 24 5 3 Wiring Harness Construct...

Page 4: ...S 2 4ah Wiring 49 5 25b TCW IBBS 3 6ah Wiring 50 5 26 Dual Battery Single Bus Wiring 50 5 27 Aux Battery Wiring and Voltage Measurement 52 5 28 AeroLEDs Wiring 52 5 29 Strobe Light non LED Wiring 52 5 30 Retractable Gear Wiring 53 5 31 Testing Individual Circuits 53 6 Configure the System Settings 6 1 Configuring the AFS EFIS 55 6 2 Configuring the GRT EFIS 55 6 3 Configuring the MGL EFIS 55 6 4 C...

Page 5: ...Flap Reflex Operation 69 10 5f Continuous Flaps 70 10 6 Landing Light Wig Wag 70 10 7 Circuit Faults 70 10 8 Starter Disable 70 10 9 Low Voltage Alarm 70 10 10 Over Voltage Alarm 70 10 11 Battery Contactor Failure 70 10 12 Backup Circuits 70 10 13 Data Comm Loss 71 10 14 Firmware Updates 71 Contents Continued Appendix Appendix A Pinout Diagram 72 Appendix A1 J8 J10 J12 Connector Wiring 73 Appendix...

Page 6: ...ps features Primary alternator disable feature 1 4 firmware update Feb 27 2012 Added Eagle EMS and updated IBBS section May 3 2013 Added GSA 28 minor corrections May 15 2013 Added section on advice for planning electrical system June 24 2013 Added guidance for HID lights July 24 2013 Added note about flap circuit breaker value and newer VP X Sept 25 2013 Added second option for wiring starter annu...

Page 7: ...few A device is wired to a power pin on the VP X Pin A pin refers to a physical pin on one of the VP X connectors that provides power to a device Special purpose pins are provided for flaps trim starter and EFIS Most pins however are generic and can be configured to match the type of load it is powering Each pin has a maximum current rating up to 15 amps State There are three states on off or faul...

Page 8: ...ewed in conjunction with planning your electrical system Document Description Contactor Wiring Overview of the different types of contactors used in experimental aircraft and step by step instructions how to wire them properly Device Amps This document lists the electrical current draw of many popular radios GPS moving maps EFIS displays lights and other avionics We maintain it but contributions c...

Page 9: ... system will pay big dividends later on 2 2 System Overview The VP X provides circuit protection circuit switching trim and flap control and a host of other functions The electrical devices are controlled by conventional switches that are wired into the VP X The VP X integrates with popular EFIS units which display electrical system information Trim and flap position information from the VP X is a...

Page 10: ...c things first What will your plane be used for What type of weather will you be flying in What do the worst case scenarios look like The outcome of this decision drives not only how you wire your electrical system but also what avionics and other equipment you put in the aircraft If you clarify your mission like this determining not only what it is but just as importantly what it isn t you will b...

Page 11: ...e metal aircraft structure or ground plane aircraft ground or running a ground wire from the device to a central location such as a firewall grounding point 3 3 Alternator Operation The alternator provides power to devices and also charges the aircraft battery The voltage regulator continuously monitors the bus voltage and adjusts the output of the alternator The regulator only works when it is po...

Page 12: ...ch of an art as it is a science With that in mind several options for grounding your system are provided below Choose the one that best fits your needs Keep in mind that more wiring means more weight although likely negligible Also note that in all the examples below the avionics grounds are kept together Option 1 Run a ground wire from each and every electrical device back to a common grounding p...

Page 13: ...nt of current the alternator is providing to power the devices and charge the battery The VP X total current reading shows the total amount of current the devices attached to the VP X are using The delta between the two is the battery charging current which goes to basically zero after re charging any loss from starting the engine or charging a run down battery If the battery charging current is i...

Page 14: ...here are 10 switch inputs that can be used for things like avionics boost pump lights and other items on the aircraft There are an additional 4 dedicated inputs for pitch and roll trim switch inputs and 2 more for flap switch inputs Switch Input 1 Switch Input 2 Switch Input 3 Switch Input 4 Switch Input 5 Switch Input 6 Flap Up Switch J2 1 VP X J2 14 J2 15 J2 16 J2 17 J2 18 J2 19 J2 2 J2 3 J2 4 J...

Page 15: ...pendent power supply and microprocessor Power Supply A ECB Bank A ECB Bank B Power Supply B Bank A Power Circuits Bank B Power Circuits Power In Overview of Dual Bank Technology The power pins associated with each bank are shown in Appendix A It is important to understand the following Each switch input 1 through 10 can be read by either microprocessor Devices on both bank A and bank B can be cont...

Page 16: ...e a taxi light and a landing light put one on each bank ECB Bank A ECB Bank B Left Landing Light Right Landing Light Power In Redundant devices one on each bank Some avionics have two power inputs but each is for a distinct function Do not split these power inputs between banks For example a Garmin 750 has a nav power and a comm power input These should be wired to two separate pins on the same ba...

Page 17: ...tor if using PPS preferred Flap Positioning System Flap Controller Flap over speed module Trim Controller Trim speed controller Wig wag module Trim or flap position indicators Trim relays Trim voltage regulator Avionics relay E bus diode Circuit breakers fuses except for backup circuits Shunts hall effect sensor Over voltage module Low voltage alarm 4 6 VP X Connectors The photos below show the di...

Page 18: ...ains the wiring harness 4 7 Installing and Removing Power Connector Terminals The large black power connectors allow you to easily install and remove the wire terminal assembly 4 7a Installing terminals Step 1 Insert a small screwdriver max width 1 8 inch about 3 0 mm into either pry point Step 2 Using the housing as a pivot point gently pry out on the white insert until it reaches pre lock positi...

Page 19: ... installed the white insert can be seated into its final lock position by applying an even force to both ends until it comes to a stop with an audible click The white insert should move a distance of 5 0 mm about 4 7b Removing terminals Steps 1 2 Follow these steps as shown above to raise the white part of the connector Step 3 Using the pin removal tool insert the tip into the terminal service hol...

Page 20: ...h the VP X system Externally regulated alternators have the regulator in a separate box outside the alternator Most voltage regulators provide only the voltage regulation function and some allow you to adjust the voltage level The B C LR 3C https bandc com external voltage regulator provides three functions 1 voltage regulation 2 under voltage alerting and 3 overvoltage protection It is generally ...

Page 21: ...d pulsing when in the air You can specify the warm up time 5 secs to 60 secs and the light is steady on for the specified time period before pulsing Some LED landing lights include a built in wig wag function We recommend using the wig wag built into the VP X which includes additional features and also simplifies wiring 4 10 HID Light Considerations HID lights draw about double their normal power ...

Page 22: ...Switches Are Wired in section 4 of this manual a Note that the master switch is wired directly to the PPS or alternatively to the master contactor and not through the VP X 5 Go to the VP X Pinout tab and assign each of the devices to a power pin You can do this automatically or manually or some combination or both You can move devices to other pins manually too a Be sure that the EFIS to which the...

Page 23: ...dustry standard American Wire Gauge This is the minimum recommended size wire for this circuit Do not use a smaller gauge bigger gauge number wire 4 13a What if I run out of power pins There are several options if you have more electrical devices than power pins on the VP X Evaluate each of the following and choose the one that makes the most sense for you 1 Combine several devices together on a p...

Page 24: ...fan is not required Do not locate near sensitive equipment such as a compass or AHRS While no known interference exists you should test and verify that an operational VP X does not affect other equipment prior to finalizing the equipment locations 5 Installation This section walks you through wiring the power wires for the aircraft The VP X is the heart of the wiring system in your aircraft and ca...

Page 25: ... aware of the wire runs required for the switches This may be attractive when space behind the panel is crowded However use of the standard VP X wiring harnesses assume the VP X is mounted up front near the instrument panel You will need to modify the standard harness to accommodate the longer wire runs to the avionics and other equipment mounted in the front of the aircraft The VP X uses two moun...

Page 26: ... easily added later Begin by plugging the connectors into the VP X and let the wires hang freely Group the wires into bundles that go to a specific location in the aircraft For example group all the wires that go out to the left wing together Run the bundles to their respective general locations Keep in mind that ground return wires may also need to share space in the bundle as well Secure the wir...

Page 27: ...r switch to ground BAT GND Master switch Connect the main power wire from the battery contactor to the power lug on the VP X using a 0 250 ring terminal Cover with a molded plastic cover You must use either a 6 or 8 AWG wire for this cable Use 6 AWG if the run is over 4 ft or if the max planned load is 45 amps Use 8 AWG for all other situations Torque to 36 in lb 3 ft lbs Do not over torque the nu...

Page 28: ...vates coil closes contactor Some contactors have a post on the flat surface Install a diode on the starter contactor coil as shown below Note the direction of the diode The starter contactor typically draws about 2 to 4 amps depending on model at 14 volts The VP X can operate down to 6 volts so it will not reboot during normal engine starting The VP X does not boost voltage to any of the devices i...

Page 29: ... Batt VP X Starter Contactor S I STARTER Battery Contactor Option 2 Connect wire to I terminal on starter contactor if it is present Install a 20 AWG wire from J2 11 to the switched side of the starter contactor or I terminal Install a 1K Ohm 1 watt resistor in line near the starter contactor Wiring Tip The resistor is a weak spot in the wiring The resistor itself is fragile as is the small lead o...

Page 30: ... INCORRECT way to wire the alternator field switch The VP X thinks the alternator is always on and therefore the synoptic and the device list on the EFIS are displayed incorrectly The wiring diagrams below show the use of 20 AWG wire for the alternator field circuit The VP X wiring harness use 18 AWG wire The larger wire provides a bit more resilience in the harsh environment of the engine compart...

Page 31: ... field as well as a power wire for the voltage sense wire which senses the bus voltage in order to correctly regulate bus voltage Note that you can connect the B lead to the PPS B lead post or alternatively to either side of the battery contactor In a traditional configuration use the switched side of the battery contactor same as the primary alt In some installations like an RV 10 where the batte...

Page 32: ...or alternatively through a 10A fuse then to the either side of the battery contactor NOTE locate the fuse near the contactor Note fuse not required with PPS 5 9e Backup Alternator Plane Power 30 Amp The Plane Power backup alternator requires a single wire for the field It has a built in voltage regulator The FS1 14 is set to approximately 13 6 volts a bit lower than normal as it is meant to be a b...

Page 33: ...on during the flight If you want to switch the alternator on and off then insert the optional relay as shown in the diagrams below and control using the VP X alternator control circuit J12 11 See the diagrams below for wiring overview Rotax Regulator G G R B L C Rotax Generator 25A Fuse Batt Starter Contactor Battery Contactor VP X R R To VP X J12 11 Optional relay to provide alternator on off swi...

Page 34: ...from any EFIS screen Use a serial port pair on the EFIS Make sure the EFIS and the VP X are wired to the same ground Do not use the serial ground on the VP X 5 12 GRT EFIS Wiring On the HORIZON trim and flap position are shared on the display interlink between display but the status of each electrical device is not The VP X electrical page only appears on the display that is wired to the VP X On t...

Page 35: ...12 9 Power Ground Any 5 amp circuit J1 22 RX J1 21 Ser GND Power Ground Dynon SkyView Wiring Detail Wire grounds in locations shown Port 2 shown for example Notes on SkyView installation TX transmit port RX receive port GND ground Use any open serial port pair on SkyView Use any GND pin 21 24 on SkyView Use 3 conductor shielded wire Solder wires together within d sub hood and cover with heat shrin...

Page 36: ...provide ground to the internal VP X electronics trim motors and flap motor The two wires are redundant in case one comes loose Connect the two ground wires J10 Pin 9 and J12 Pin 4 to the firewall or main ground block using 18 AWG wire Do not connect the two ground wires together and then run a single wire to the firewall Both wires should be connected to the same ground block using an individual c...

Page 37: ... negative connections to the trim motor This is done conventionally using switches or relays but is done in the VP X with solid state circuitry The position sensor connects with three wires white green white orange and white blue The three wires are wired directly to J1 on the VP X Important Do not use the trim position inputs on the EFIS The EFIS gets trim position information from the VP X over ...

Page 38: ...ndle of wires with the large heat shrink tubing Connect the switch input pins to the trim switch pilot and co pilot Connect the other side of the switch to ground 5 19b Roll Trim Wiring The trim wires are grouped together by trim function and shown on the Load Planning worksheet They are separated from each other by number but are physically located next to each other on the connector Each trim se...

Page 39: ...hese servos also include auto trim functionality Repeat this wiring for the pitch and roll servo If you have a third yaw servo that is wired outside the VP X as shown in the Garmin manual Be sure to turn off the variable speed trim function on the VP X unit as this functionality is included in the G3X system Using the VP X Configurator later when you get to the configuration section go to Pitch Tr...

Page 40: ...68 for details on reflex operation Flap Position Sensor optional Function VP X Pin I O Position feedback wht grn J1 17 I Ground wht org J1 18 2 5 reference voltage wht blu J1 19 O Flap Motor and Switch Inputs Function VP X Pin I O Flap motor J12 5 connect either way O Flap motor J12 6 connect either way O Flap Up switch input J2 14 I Flap Down switch input J2 15 I You can wire a flap switch for th...

Page 41: ...p motor and flap motor limit switches per the wiring diagram provided by the airframe manufacturer The flap motor power wires on J12 and flap switch inputs on J2 are not used A flap position sensor can be installed and wired as described above to show flap position on the EFIS There is a way to use the VP X with flap systems that require limit switches but comes with some risk and trade offs We wi...

Page 42: ...ed switches are designed in many different ways A common design has three terminals on the back and the switch must be used on the powered side of a circuit The switch uses the power it is switching to also power the light in the switch This will not work with the VP X as the VP X switch inputs require ground and not power A switch that works with the VP X has the lighting circuit separate from th...

Page 43: ...ster switch is turned on one pole of the switch provides a ground to the battery contactor which closes and the other pole provides a ground to the alternator switch When the alternator switch is turned on it grounds the alternator switch input pin which then turns on the alternator Turning off the master removes the ground from the battery contactor and from the alternator switch which then cause...

Page 44: ...switch wiring The mag switch which is wired to the p lead on the magneto or electronic ignition is separate from the VP X Follow the ignition manufacturer s instructions for wiring Wire the mag switch 5 22 P Mag wiring The p leads pin 4 on the P Mag are wired to the mag switch allowing you to disable the ignition as part of the run up checks You may also want to disconnect power individually to ea...

Page 45: ...lar to the method suggested in the LSE installation manual Please see the section in this manual Dual Battery Single Bus Wiring 5 24 Planning and Wiring Backup Circuits Backup circuits allow you to wire backup power directly from the battery through an external fuse and switch separate from the VP X and then to the device Each circuit can provide backup power to a device regardless of whether the ...

Page 46: ...tory only suggestions for thought There are two types of failures to consider One type of failure occurs on the ground and prevents you from flying The other type of failure occurs while you are flying and may be harmless or could require you land at the next opportunity With regard to failures on the ground that keep you from flying there are many single points of failure that exist on aircraft t...

Page 47: ... boost pump to a 10A circuit on the VP X via a switch as shown above and bring in a wire with a 10A fuse directly from the battery If you are wiring a backup circuit for an alternator be sure the alternator or voltage regulator has built in over voltage protection The backup circuit bypasses the OV protection built into the VP X Below is an example of two backup circuits wired to two different dev...

Page 48: ...ection of the aircraft you must take special care to route the backup switch wiring because the routing is longer than for front mounted batteries You may want to consider running a slightly larger wire to account for the additional length FAA AC 43 13 1B includes a chart figure 11 2 to determine the wire size Another consideration is that the relatively long length of wire must be protected from ...

Page 49: ...rate pins on the VP X In this manner the load circuit can be protected separately from the charge circuit Wire pin 1 and pin 6 from the IBBS into separate power pins on the VP X Set the circuit breaker value for the circuit that goes to pin 1 on the IBBS to 5 amps and set the circuit breaker value for the wire that goes to pin 6 to the value recommended by the device manufacturer Batt Pin 1 Powers...

Page 50: ...ower inputs like most EFIS displays Wire per the diagram and see IBBS instructions for further detail Batt See IBBS instructions for further details VP X IBBS 15 Pin DSub 5 6 7 8 12 13 14 15 Starter Contactor Battery Contactor To Device s 5A Not Used EFIS Pri Pwr BU Pwr Note The other pinouts on the IBBS are shown in the TCW IBBS installation manual Only the power inputs are shown here for clarity...

Page 51: ... two batteries are essentially one large battery both are charged by the alternator simultaneously This option also allows the user to connect the two batteries together for start Conversely a backup circuit for the avionics can be connected to the aux battery and used to keep the EFIS from rebooting during start the aux battery contactor is open in this scenario 4 AWG 22 AWG 20 AWG Battery Contac...

Page 52: ...LEDs Wiring AeroLEDs recommends using shielded power wire for certain lights AeroLED makes a linear voltage light that does not require shielded cable If you need the power connector terminals crimped on the shielded wire please send us the wire strip and prepare shielding on the terminal end prior to sending and we will crimp the terminals on for you Please follow the latest AeroLEDs instructions...

Page 53: ...ing Is this normal Solid state switches have a characteristic called stray or phantom voltage that will read slightly below bus voltage on a power pin even when that pin is off Don t worry it won t cause sparks or arcing There is no power behind the voltage it is simply an artifact of the solid state switches a specialized transistor In order to measure voltage correctly there needs to be a load o...

Page 54: ...an ohm meter or test lamp verify each of the two ground wires is grounded properly Using the 22 gauge wire with the female d sub terminals connect one wire to the positive terminal of a battery any battery is OK as long as it matches the voltage of the aircraft battery Check that the negative on the battery is attached to the ground terminal or airframe Connect the other wire to ground Insert the ...

Page 55: ... be used with the VP X Pro or Sport Turn on the master switch and verify the VP X is turned on by looking for the blinking orange lights on the Ethernet jacks Follow these steps within the EFIS setup pages 1 Under 1 Admin Settings Serial Port Functions set the serial port that is connected to the VP X Pro or Sport to VPX 2 Under 36 VP X Configuration set the type to either VP X Pro or VP X Sport a...

Page 56: ...P X Setup in the SkyView Setup screen Configure the ranges to match your settings Set the trim and flap settings to VP X 9 To display a starter annunciator or VP X master warning go into the EMS screen layout select the appropriate size screen choose info and choose the VP X fault or starter widget 10 The diagram above the list of devices on the SkyView screen can show VP X current as well as alte...

Page 57: ...t draw Devices that are not switched by the VP X that have their own power knob or a switch is installed in series between the VP X and the device Wait until all your devices are installed tested and working properly before turning current fault detection on 6 10 System Configuration Over voltage and Backup Alternator The primary alternator is configured using a unique setup screen Configure the o...

Page 58: ...urned on below that speed they will be steady then wig wag automatically above that speed If this is set to 0 the pin or pins will always wig wag when turned on this is primarily so you can test the wig wag feature during the build process Select one or two power pins to wig wag If only one power pin is selected it must be assigned to the pin 1 wig wag slot Set both pins to Disable to disable the ...

Page 59: ...er above speed 70 is a good starting point Range is 40 to 90 Configure the pitch trim settings so they match your desired final configuration Configure the roll trim settings so they match your desired final configuration 6 13 Flaps Configuration In the VP X Configurator go to Flaps Configuration You can run the flaps from both the flap switch as well as from the VP X Configurator The flap switch ...

Page 60: ...r position here Reading and Entering Flap Position on the VP X Configurator Note The Up Dn and midpoint limits only need to be set if a position sensor is installed Up limit Run the flaps all the way up using the Up soft key Note the number that shows the flap position should be on the screen between 0 and 255 We recommend setting it a few numbers short of the actual limit to allow for position sl...

Page 61: ...r speed alarm is triggered Set this value to 0 to disable both the flap down switch disable function and the flap over speed alarm Over speed Position The flap position below which the flap over speed alarm is triggered If the flaps are BELOW this setting and the IAS is higher than the Max Flap Speed the Flap Over speed alarm is activated Since each aircraft is different this speed may correspond ...

Page 62: ...few flights in the aircraft go back and update the rest of the settings to your desired configuration See 9 1 Flap Configuration on page 65 for more detailed information Note Because air loads on the flaps cannot be simulated on the ground you may have to modify the limit settings once you begin flight testing See the troubleshooting section in this manual if your flaps are not operating properly ...

Page 63: ...proper operation of the VP X with the engine running The main objectives for this section are Verify engine starting and proper mag operation Verify starter annunciator Verify proper alternator operation If this is coincident with first engine start be sure to integrate the kit manufacturer s first engine start safety procedures with the test plan specified herein You may consider first verifying ...

Page 64: ...nfigure the flaps to operate in momentary flaps only move when the flap switch is pressed It may take a few flights to dial in the proper limit settings for position flaps move to next position when flap switch pressed and you can do that once the basic flight characteristics are proven Be sure to review how to acknowledge and or reset circuit faults If you are installing the system as a retrofit ...

Page 65: ... mode then the position values are used to stop the flap motor at the top middle and bottom positions 14 In some instances the top position may be near the 0 value or it may be near the 255 value It just depends on how the mechanical linkage is designed Either way is fine The bottom position should be on the opposite end of the 0 255 range from the top position 15 The position sensor combined with...

Page 66: ...te flap stops Please follow these steps carefully in the order shown 1 Connect the PC application to the VP X via the Ethernet cable 2 In the setup menus set the flap system to momentary Set End Travel to 0 5 Press Save Move the flaps to the middle of their travel Turn off the master switch 3 Remove J2 25 pin d sub connector from the VP X Verify the flap switch input pins are correct on the male J...

Page 67: ...9 3 Trim faults Problem Solution Trim faults at power on The trim is designed to fault if any of the trim switches are on at power on Verify that none of the trim switch input wires are shorted to ground Verify that none of the trim input switches are closed Cannot clear a trim fault A trim switch input line is still grounded You must un ground the input and re cycle power to the system 9 4 Cannot...

Page 68: ... an electrical system page Each EFIS is different but in general the EFIS can Show a list of each of the power circuits including trim and flap Show the status of each circuit whether on or off or faulted and type of fault Total current draw of all circuits View the current draw in amps of each circuit The minimum detectable amount is 100 mA 1 10 of an amp Allow user to reset a faulted circuit Sho...

Page 69: ...is shown on the screen The EFIS may display soft keys that allow you to run the trim from the display For example if the pitch trim begins to run away hold down the opposite pitch trim switch a natural reaction by the way until the fault shows on the screen When it does the switches are disabled After a runaway condition you can re enable the trim or flap circuit by selecting it from the list of i...

Page 70: ...nd starter When a fault occurs the VP X turns off the circuit It remains OFF until the fault is manually reset using the EFIS screen Consult the EFIS manual for specific instructions related to clearing the fault 10 8 Starter Disable The starter circuit is normally on meaning the starter switch has power at all times when the engine is not running The starter circuit is automatically turned OFF wh...

Page 71: ...ding data to the VP X the following functions are disabled landing light wig wag will reset to steady operation variable speed pitch trim will reset to normal speed operation flap over speed functions are disabled 10 14 Firmware Updates Firmware updates are performed using the PC based Configurator Application Do not use the firmware update feature on the EFIS for the VP X Pro and Sport This is on...

Page 72: ...10A 3 B 1 10 J10 5 O 10A 4 A 1 10 J12 1 O 10A 5 A 1 10 J12 3 O 10A 6 A 1 10 J12 7 O 15A 1 B 1 15 J10 6 O 15A 2 A 1 15 J12 2 O 15A 3 A 1 15 J12 12 O 3A 1 A 1 3 J12 10 O 2A 1 A 1 2 J1 1 O 2A 2 A 1 2 J1 2 O Trim Roll A 1 J1 6 7 O Trim Pitch A and B 1 J1 11 12 O S1 A or B J2 1 I S2 A or B J2 2 I S3 A or B J2 3 I S4 A or B J2 4 I S5 A or B J2 5 I S6 A or B J2 6 I S7 A or B J2 7 I S8 A or B J2 8 I S9 A ...

Page 73: ...D 5A Starter solenoid 10A CB max Device 5A CB max Device 10A CB max Device 5A CB max Device 10A CB max Device 15A CB max Device 5A CB max Device 5A CB max Aircraft ground block Device 5A CB max 1 1 Start VP X J12 Male REV A 1 2 3 4 5 6 7 8 9 10 11 12 10A 15A 10A GND Flap Flap 10A 5A EFIS 5A Alternator 15A Device 10A CB max Device 15A CB max Device 10A CB max Aircraft ground block Flap motor 10A CB...

Page 74: ...7500 24TG3T14 3 conductor 24 AWG shielded Use wire 3 conductor 24 AWG unshielded or shielded 2 Serial must be wired to same EFIS that is powered by J12 9 See instructions in manual for Dynon wiring 1 1 3 2 Use wire 5 conductor 24 AWG unshielded Use wire M22759 16 22 22 AWG Tefzel 5 6 Ray Allen Trim motor w pos sensor Device 2A CB max Device 2A CB max Ray Allen Trim motor w pos sensor Ray Allen POS...

Page 75: ...ut 3 Switch input 4 Switch input 5 Switch input 6 Switch input 7 Switch input 8 Switch input 9 Switch input 10 Starter annun input Aux batt voltage input Flap up switch Flap down switch Roll trim left input Roll trim right input Pitch trim up input Pitch trim dn input Use wire M22759 16 22 22 AWG Tefzel 6 Resistor See manual 1 6 6 6 From switched side of starter contactor From aux battery positive...

Page 76: ...ower connector 2 18 5 black female power connector 2 20 5 wht male power connector test leads 1 24T 3C Sh 20 wht Data line to EFIS and flap position sensor 1 24T 5C 35 wht Pitch and roll trim cable The following items are also included Qty Item 1 8 pin power connector 1 10 pin power connector 1 12 pin power connector 2 25 pin dsub connector 2 25 pin dsub connector hood with thumbscrews 40 D sub pi...

Page 77: ...ght with a faulted flap system Flaps can be operated via the EFIS FLAP SWITCH ACTIVE A runaway flap condition is not able to be cleared because a flap switch input is still active The system will not re enable the flap switch while a flap switch input is active Flaps can be operated via the EFIS FLAP OVERSPEED The flaps are extended above the specified airspeed STARTER The starter contactor is clo...

Page 78: ...00 1 705 250 9 147 2X Mounting Bracket 4X 6 32 Screw J10 J12 J1 J2 J8 NOTE Shown with standard mounting brackets Optional mounting tray available Leave additional room for connectors Leave additional room for connectors Weight VP X Pro 2 1 lb 1 0 Kg VP X Sport 1 8 lb 0 8 Kg weight does not include mounting brackets or mating connectors ...

Page 79: ...he avionics ground If you need to break the wire run at the wing root with a connector or terminal block that is OK as long as you resume the shielded wire in the fuselage and connect the shield grounds through the interconnect Gounding to the structure near the light is not recommended 4 As much as possible keep some separation between the strobe wires and sensitive cables such as intercom audio ...

Page 80: ...C NO NC C NC Normally Closed NO Normally Open C Common Elevator Servo Aileron Rudder Servo VP X VP X NC NO C Radio PTT Pilot s Grip Copilot s Grip Switch 1 Switch 1 Switch 2 Switch 2 Switch 3 Switch 3 Switch 4 Switch 4 Switch 5 Switch 5 Excerpt from Ray Allen G205 and G207 stick grips wiring instructions modified to show VP X integration ...

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