CUAV X7+ Pro User Manual

CUAV X7 Pro User Manual 11 - CUAV X7+ Pro User Manual

Table of Contents

X7+ Pro Autopilot

X7+ Pro® is an advanced autopilot independently designed by CUAV®. It uses a higher-performance STM32H7 processor and integrates industrial-grade sensors and ultra-low temperature drift sensors. Compared with the previous flight controller, it has better performance and more reliability. This board can run ArduPilot firmware perfectly. X7+ Pro is ideal for industrial drones.

Tip

X7+ Pro autopilot is a derivative version of X7 Pro. From January 1, 2022, X7+ Pro will replace X7 Pro; X7+ Pro is perfectly compatible with ArduPilot 4.10/PX4 V1.12.3 and higher firmware.X7+ Pro supports monitoring Servo port voltage, the maximum input voltage of Servo port is 10V; other parts have no difference.

Other characteristics

  • High-precision industrial sensor(ADIS16470+RM3100+ICM42688-P)
  • A new generation of CUAV patented shock absorption, better shock absorption effect
  • 3 sets of IMU sensors,supporting intelligent failover
  • Support IMU heating, make the sensor work better
  • Modular design, can be DIY carrier board
  • Support more Dshot output
  • Dedicated UAVCAN power interface

Quick Summary

  • Main FMU Processor: STM32H743
  • On-board sensors:
    • Accelerometer/Gyroscope: ICM42688-P(X7 Pro:ICM-20649)
    • Accelerometer/Gyroscope: ADIS16470
    • Accelerometer/Gyroscope: ICM20689-P(X7 Pro:BMI088)
    • Magnetometer: RM3100
    • Barometer: MS5611*2
  • Interfaces:
    • 14 PWM outputs (12 supports Dshot)
    • Support multiple RC inputs (SBUs/PPM/DSM)
    • Analogue / PWM RSSI input
    • 2 GPS ports(GPS and UART4 ports)
    • 4 i2c buses(Two i2c dedicated ports)
    • 2 CAN bus ports
    • 2 Power ports(Power A is common adc interface, Power C is uavcan battery interface)
    • 2 ADC intput
    • 1 USB ports
  • Power System:
    • Power: 4.5~5.4V
    • USB Input: 4.75~5.25V
    • Servo Rail Input: 0~10V
  • Weight and Dimensions:
    • Weight: 101g
  • Other Characteristics:
    • Operating temperature: -20 ~ 85°c
    • Three imus
    • Supports temperature compensation
    • Internal shock absorption

Size and Pinouts

Warning

The RCIN port is limited to powering the rc receiver and cannot be connected to any power/load.

Voltage Ratings

  • Nora AutoPilot can be triple-redundant on the power supply if three power sources are supplied. The two power rails are: Power APower C and *USB.
Note

The output power rails PWM OUT (0V to 10V) do not power the flight controller board (and are not powered by it). You must supply power to one of Power APower C or USB or the board will be unpowered.

Normal Operation Maximum Ratings

Under these conditions all power sources will be used in this order to power the system:

  1. POWERA and POWERC inputs (4.5V to 5.4V)
  2. USB input (4.75V to 5.25V)

Building ArduPilot Firmware

				
					./waf configure --board CUAV-x7

./waf copter --upload
				
			

Debug Port

The system’s serial console and SWD interface operate on the DSU7 port. Simply connect the FTDI cable to the DSU7 connector (the product list contains the CUAV FTDI cable).

Peripherals

  • Digital Airspeed Sensor
  • Telemetry Radio
  • Rangefinders/Distance sensors
  • others

X7+ Pro Wiring Quick Start

This quick start guide shows how to power the X7+ Pro flight controller and connect its most important peripherals.

NOTE This chapter applies to X7 and X7+ Pro flight controllers.

Wiring Chart Overview

The image below shows how to connect the most important sensors and peripherals (except the motor and servo outputs). We’ll go through each of these in detail in the following sections.

Main interfaceFunction
POWER AConnect power module. Power input with analog voltage and current detection. Do not use a Digital PM on this connector!
POWER CPlease connect CAN PMU SE to this interface; this interface is connected to UAVCAN power module
GPS&SAFETYConnect Neo series GPS or C-RTK 9P, including GPS, safety switch, buzzer interface.
UART 4Can be used to connect to GPS, can be used as a second GPS
TELEM1/TELME2Connect to the Telemetry System
TF CARDSD card for log storage (card pre-inserted in factory).
M1~M14PWM signal output port, which can be used to control motors or steering gears; and M1~M12 also support dshot protocol
DSU7Used for FMU chip debugging, read DEBUG device information
TYPE-C(USB)Connect to a computer for communication between the flight controller and the computer, such as loading firmware.
I2C1/I2C2/i2C4Connect an I2C device such as an external compass.
CAN1/CAN2Connect UAVCAN devices such as CAN GPS.
RC INIncluding DSM, SBUS, RSSI signal input interface, DSM interface can be connected to DSM satellite receiver, SBUS interface to connect SBUS remote control receiver
RSSIRSSI for signal strength return module

Vehicle Front

NOET If the controller cannot be mounted in the recommended/default orientation (e.g. due to space constraints) you will need to configure the autopilot software with the orientation that you actually used: Flight Controller Orientation.(for PX4 firmware, for Ardupilot firmware).

GPS

We recommend that you use UAVCAN GPS/RTK (such as Neo 3 pro); you only need to connect it to the CAN 1/2 interface; you can also use an ordinary GPS/RTK module; connect it to the GPS interface; it is commonly used now The GPS module generally integrates GPS, compass, safety switch, buzzer, and LED status light. The GPS module should be installed on the bracket and far away from other electronic devices. The installation direction is towards the front of the carrier (the NEO GPS arrow is in the same direction as the flight control arrow)

NOTE X7+ Pro may not be fully compatible with ordinary GPS modules of other manufacturers. If you need to use ordinary GPS, please choose NEO V2; for a better experience, we recommend you to use UAVCAN GPS.

safety switches

NOTE When you use NEO series GPS, there is no need to install additional safety switches.

If you are flying without GPS, you must connect the switch directly to the GPS1 port to be able to Arm and fly the drone. (If you use the old 6-pin GPS, please check the interface definition at the bottom to change the line).

Buzzer

NOTE When you use NEO series GPS, there is no need to install additional Buzzer.

If you use other manufacturers’ gps, the buzzer may not work.

Radio Control

For your flight safety, it is recommended that whether you fly manually or automatically, please connect the handheld remote control (it can be used as an emergency machine, unless you are not proficient in operating the handheld remote control).

The figure below shows how you can connect to your remote control receiver (please find the Dupont cable in the package)

Power

X7+ Pro is equipped with CAN PMU Lite module, it supports 3~14s lithium battery, please connect the 6pin connector of the module to the flight control Power C interface

Telemetry (Radio) system

Using the telemetry system you can communicate with the drone through the ground station software. Monitor and control drones in flight. The airborne end of the telemetry system should be connected to the TELEM1/TELEM2 interface.

SD Card

The SD card is already installed on X7+ Pro when it leaves the factory, so you don’t need to install it.

Motors/Servo

The motor/servo system is connected to the M1~M14 ports in the order specified for your carrier in the fuselage reference.

Servo power supply

The servo interface of X7+ Pro is completely isolated from the internal power supply of the flight controller. The flight controller will not supply power to the steering gear. If you need to supply power to the steering gear, please connect the BEC to any of the positive and negative stages of M1~M14 (M1~M14) The positive and negative times of the two are connected); then connect the Servo.

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