Wiring

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Spirit can be used as a standalone tail gyro or as a flybarless system. Wiring to the unit depends on the type of receiver used.

Warning.png Spirit is pre-programmed to 1520µs servo neutral impulse and 50Hz frequency – please ensure you have the correct servo parameters selected as specified by your servo manufacturer.
If the neutral impulse of your servo/s is different to the above, such as 760µs, do not connect this servo yet as it could be damaged.


Some connectors have non-standard dimensions that could interfere with neighboring connectors after plugging in the unit. As a solution, we recommend replacing these connectors with JR or Futaba type.


Never plug a connector for powering the unit into the SYS or ELE/PIT/AIL positions or you may risk damaging the unit.


1 STANDALONE GYRO AND FLYBAR

Owners of flybarred helicopters can take advantage of the heading hold gyro, which keeps the tail in the direction given by the transmitter regardless of effects from wind or any outside forces.

Connect the rudder servo to the CH4 port of the Spirit unit. If you also use a standard receiver, you will need to connect GEAR (or AUX) from your receiver to the AUX port on the Spirit unit. Also, you will need to connect your receiver RUD port to the RUD port on the Spirit unit.

Even if you do have a flybarred model, you can also connect the unit in the same way as a you would a flybarless one. This allows you to use the full potential of the unit including Stabilization and Rescue mode. In order for this to work correctly, it is necessary to tick the Flybar mechanic parameter in the Stabi tab during setup. All other parameters can be configured just the same as with a flybarless head.


2 FLYBARLESS

Flybarless helicopters can take advantage of the full capabilities of the Spirit unit. The Spirit will stabilize the model on all axes and also make it less affected by wind, extend flight times and increase the agility of your model. When properly set up, flight characteristics should be more stable which will give you the confidence to carry out even the most challenging maneuvers.

Flybarless rotor blades are also different from blades designed for flybarred models. For optimum flight characteristics it is recommended to use them. When using the Spirit unit as a flybarless system, all servos should be connected in the corresponding positions:

μSpirit
CH1 – Pitch / Aileron servo
CH2 – Elevator servo
CH3 – Aileron / Pitch servo
CH4 – Rudder servo / Rudder ESC

Spirit
CH1 – Pitch / Aileron servo
CH2 – Elevator servo
CH3 – Aileron / Pitch servo
CH4 – Rudder servo

Spirit Pro
CH1 – Pitch / Aileron servo
CH2 – Elevator servo
CH3 – Aileron / Pitch servo
CH4 – Rudder servo
CH0 – auxiliary (optional) cyclic servo for CCPM 90 swashplate type.


Info.png Servos at positions CH1 and CH3 are dependent on the Swashplate settings. Aileron servo on the model is mostly positioned on the right side while pitch on the left side.

3 ESC/MOTOR WIRING

Electronic Speed Controllers (ESCs) for electric motors or Throttle Servos for combustion motors can be connected in two ways:

  1. In the receiver - Throttle port (Failsafe is handled by receiver)
  2. In the Spirit unit - AUX (AUX1) port (Failsafe is handled by unit and/or additionally by receiver)

Wiring details for each receiver type are described always in the particular scheme - see next sections.


Info.png With Spektrum DSM2/X satellites throttle must be connected always to the unit.

Info.png By default Throttle output from the unit is disabled for all receiver types (except Spektrum DSM2/X). Assign Channel 1 in the General/Channels - Throttle.

In order to use Governor it is always required to use Throttle output from the unit.

Throttle frequency that can be configured in the unit can stay at default settings (60Hz). Only if Governor is used it is usefull to set as high frequency as possible. Recommended values are described in the Governor page.

3.1 Castle ESC

If Castle ESC is used, please configure following Throttle parameters in the General - Throttle/Governor window:

  • Throttle Frequency: 60Hz.
  • Throttle Range - Min.: 1060 us.
  • Throttle Range - Max.: 1940 us.

All other ESCs should work well with default settings. If not, please use the Factory default.

3.2 Throttle Servo

For combustion helicopters it is required to set optimal travel range in order to prevent a binding. If the servo is connected in the unit, you can set absolute limits that can never be exceeded. These can be configured in the General - Throttle/Governor - Throttle Range.

It is also possible that Throttle Reverse will be necessary to get fully closed condition when Throttle Hold is engaged. This will change servo movement direction.

4 CONNECTION OF STANDARD RECEIVER (PWM)

MPWM.png

μSpirit – receiver type: PWM


Pwms.png

Spirit – receiver type: PWM


Pwm.png

Spirit Pro – receiver type: PWM


For standard receivers it is necessary to use two normal and one special cable. Three connectors from the special cable should be plugged into the receiver and the end of these cables to the unit.

The unit is powered by two cables from the receiver. These are connected to the AUX and RUD positions. The Throttle (ESC or Throttle servo) should be connected to the receiver.

The easiest way you can start is to connect a cable between the RUD port with Rudder output of the receiver. Then continue with the AUX port which should be connected to the Gyro Gain channel output of the receiver. Next, connect the Aileron, Elevator and Pitch channels. If you are not sure whether you have the correct output or not, you can plug in one servo and power the unit to verify that your connection is correct. This can be repeated for each servo. The Diagnostic tab in the software is very helpful too, because you can see whether the connection is correct even without connected servos.

For Spektrum receivers you can view the Spektrum PWM connection scheme.

Spirit Pro
The unit is able to control Bank Switching by 7th channel of the receiver. Connect the cable to the AUX2 port and allow Bank Switching in the software.


Never plug a connector for powering the unit to SYS or ELE/PIT/AIL ports.


5 CONNECTION OF SPEKTRUM DSM2/X SATELLITE

MSatellite.png

μSpirit – receiver type: Spektrum DSM2/X


Bind.png

Spirit – receiver type: Spektrum DSM2/X


Satellite.png

Spirit Pro – receiver type: Spektrum DSM2/X


Connection to a BEC is optional. If the model is powered by an external BEC, this must be connected to the RUD port. Also the power lead from the ESCs internal BEC must be disconnected.

Spirit
A second satellite can be connected, but this can only be achieved via a special adapter connected to the RUD port. This adapter can be purchased separately. Before satellites can be used they must be bound to your transmitter, taking into account any failsafes that need to be set. To use both, two satellites and an external BEC, be sure to use a Y-harness made from large gauge wire to supply the high current that is needed.

Spirit Pro
The Pro version allows you to connect two satellites directly to the unit. If you want to use only one satellite, you have to use the Primary connector.


To bind the satellites, insert a bind plug in the SYS port for DSM2 satellites or the ELE/PIT/AIL port for DSMX satellites. Power cycling the Spirit start the bind process. Once successfully bound, the STATUS LED will go out and the satellite LED will come on. If the second satellite fails to bind, swap the satellites and repeat the bind process.

Be sure Receiver type in the software is configured to Spektrum DSM2/X or else binding process will not work. Never plug a connector for powering the unit to SYS or ELE/PIT/AIL positions.


6 CONNECTION OF FUTABA S-BUS RECEIVER

MS-BUS.png

μSpirit – receiver type: Futaba S-BUS


Spirit sbus.png

Spirit – receiver type: Futaba S-BUS


S-BUS.png

Spirit Pro – receiver type: Futaba S-BUS


Spirit
When using S-BUS it is necessary to use an inverter that replaces the cable between the receiver and the Spirit unit's RUD port. This inverter cable can be purchased separately. The inverter cable have to be connected in the way, that longer end is directed to the unit and shorter to the receiver.

Spirit Pro
Connect the receiver with the unit by normal patch cable to the RUD port. You can use cable that is included in the package.


Connection to a BEC is optional. For models of 500 size and larger it is recommended to use dual power supply cables due to the increased power consumption. That means besides the S-BUS cable, an additional power supply cable should be connected to the AUX port.

When using this type of receiver you can connect the throttle cable directly to the receiver. Alternatively, you can assign the throttle channel in the software and use the AUX as throttle output from the unit.


Never plug a connector for powering the unit to SYS or ELE/PIT/AIL ports.


7 CONNECTION OF PPM RECEIVER

MPPM.png

μSpirit – receiver type: PPM


Spirit ppm.png

Spirit – receiver type: PPM


PPM.png

Spirit Pro – receiver type: PPM


Info.png Connection to a BEC is optional. For models of 500 size and larger it is recommended to use dual power supply cables due to the increased power consumption. That means besides the communication cable, an additional power supply cable should be connected to the AUX port.

When using this type of receiver you can connect the throttle cable directly to the receiver. Alternatively, you can assign the throttle channel in the software and use the AUX as throttle output from the unit.

Never plug a connector for powering the unit to SYS or ELE/PIT/AIL ports.

Info.png Futaba pilots with PPM receiver such as R6107SP will need to reconfigure channels according Futaba PPM page.


8 CONNECTION OF JETI EX BUS RECEIVER

MEX-BUS.png

μSpirit – receiver type: Jeti EX Bus


Spirit exbus.png

Spirit – receiver type: Jeti EX Bus


EX-BUS.png

Spirit Pro – receiver type: Jeti EX Bus


This connection type now supports the new integration with JETI Model transmitters. You can now fully configure the Spirit unit remotely through the JETI Model transmitter.

Remember to configure the receiver type through the software or the integration will not work. Also, it is necessary to download Spirit.bin file from the website. Move the file to the Devices directory in the SD card of your transmitter.

For futher instructions please check the Jeti Integration page.


Info.png Connection to a BEC is optional. For models of 500 size and larger it is recommended to use dual power supply cables due to the increased power consumption. That means besides the EX Bus cable, an additional power supply cable should be connected to the AUX port.

When using this type of receiver you can connect the throttle cable directly to the receiver. Alternatively, you can assign the throttle channel in the software and use the AUX as throttle output from the unit.


A special cable is needed to enable this communication. Signal wire (Orange) is connected to the AIL pin, while power wires (Red and Brown) are connected to the RUD port in the unit. For JETI REX receivers, end of the special cable is connected to the EX1 or EX2 (depending on the receiver configuration). For EX receivers, please use EXT port.

Never plug a connector for powering the unit to SYS or ELE/PIT/AIL ports.


9 CONNECTION OF SRXL/SUMD RECEIVER

MSRXL.png

μSpirit – receiver type: SRXL/SUMD


Spirit srxl.png

Spirit – receiver type: SRXL/SUMD


SRXL.png

Spirit Pro – receiver type: SRXL/SUMD


Info.png Connection to a BEC is optional. For models of 500 size and larger it is recommended to use dual power supply cables due to the increased power consumption. That means besides the communication cable, an additional power supply cable should be connected to the AUX port. This protocol family can work with a wide range of receivers. Thus you can use Multiplex SRXL, BeastX SRXL, Graupner SUMD, Jeti UDI, Spektrum SRXL, JR X-Bus (mode B) and more.

When using this type of receiver you can connect the throttle cable directly to the receiver. Alternatively, you can assign the throttle channel in the software and use the AUX as throttle output from the unit.


Never plug a connector for powering the unit to SYS or ELE/PIT/AIL ports.


10 CONNECTOR ORIENTATION

10.1 μSpirit

Warning.png Pin layout of the JST-ZH(R) connectors is different from standard Servo connectors. BROWN (Middle) wire is GND pin. ORANGE wire is SIGNAL pin. RED wire is +5V (BEC voltage). By using JST-Servo cables you can connect a classic Servos and all Spirit peripherals to the μSpirit even with Servo connectors.

Uspirit-polarity.png

10.2 Spirit and Spirit Pro

All cables connected to the unit must be oriented so that the signal wire (Lightest color wire) is closer to the connector pin label, towards the center of the unit. This orients the negative (darkest color wire) toward the edge of the unit.

Spiritpro-polarity.png