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AVSS PRS-M350EX Manual

For dji m350 rtk
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PRS-M350EX for DJI M350 RTK
Version 1.3
© 2024 AVSS – ALL RIGHTS RESERVED
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Summary of Contents for AVSS PRS-M350EX

  • Page 1 PRS-M350EX for DJI M350 RTK Version 1.3 © 2024 AVSS – ALL RIGHTS RESERVED...

  • Page 2: Using This Manual

    PRS-M350EX USER MANUAL FOR DJI M350 RTK Using this Manual 1. Revision Notes Revision # Date Revision Description October 4 , 2023 Initial Internal Release Added Firmware Update Procedure in Appendix October 19 , 2023 C.3 for PRS-M300 Compatibility Extended the parachute packing interval from 12...

  • Page 3: Table Of Contents

    PRS-M350EX USER MANUAL FOR DJI M350 RTK Using this Manual _________________________________________________________ 2 Revision Notes _______________________________________________________________ 2 Legends _____________________________________________________________________ 2 Disclaimer ________________________________________________________________ 5 Terms, Acronyms, & Abbreviations__________________________________________ 6 Safety Instructions ________________________________________________________ 7 Limitations _______________________________________________________________ 8 Operational & Environmental Conditions ________________________________________ 8...
  • Page 4 Customer Support ________________________________________________________ 46 Appendix A: DJI M350 RTK & Payload References ___________________________ 47 Appendix B: IMU Calibration Instructions ___________________________________ 48 Appendix C: PRS-M350EX (External FTS for MOC2511 Compliance) __________ 54 PRS-M350EX Overview ______________________________________________________ 54 External FTS Installation _____________________________________________________ 55...

  • Page 5: Disclaimer

    M350 RTK. The use of AVSS products is at the risk of the user. • Do not store the PRS-M350EX and/or any of the associated parts and accessories in any extreme cold, hot or humid environments. o Less than 3 months: -20° to +45° C o More than 3 months: +22°...

  • Page 6: Terms, Acronyms, & Abbreviations

    When referring to a DJI M350 RTK, other relevant terms include Aircraft, Drone RPAS, sUAS, UAS, and UAV. The owner of the PRS-M350EX who had purchased the system from an End-User AVSS Authorized Dealer. Flight Termination System is a device that will disable the propulsion system of the DJI M350 RTK.

  • Page 7: Safety Instructions

    M350 RTK after a landing or in the event of an aborted takeoff. Ensure PRS- Do not pick up the PRS-M350EX when it is armed because the sensors M350EX is may interpret the movements as an in-flight failure. Wait five to ten DISARMED before seconds for the Autonomous Trigger System to disarm.

  • Page 8: Limitations

    LEAVING THE PRS-M350EX ON FOR A PROLONGED PERIOD BEFORE TAKING OFF CAN CAUSE IT TO ARM IF ENVIRONMENTAL CONDITIONS ARE CHANGING (E.G., BAROMETER DRIFT). IF THE PRS-M350EX IS INVOLVED IN A MAJOR CRASH, DO NOT REUSE THE PRS-M350EX WITHOUT CONTACTING AVSS’S CUSTOMER...

  • Page 9: Prs-M350Ex Overview

    Assistant software. 2. General Use To use the PRS-M350EX for a flight, the DJI M350 RTK can be unpacked from its case and set up according to DJI’s user manual. Once the aircraft is in its flight configuration, the AVSS bracket can be mounted to the DJI M350 RTK. The bracket side plates connect and lock into the spacer blocks.

  • Page 10: Features, Specifications, Testing, & Compatibility

    Features, Specifications, Testing, & Compatibility The PRS-M350EX has been designed to easily integrate with DJI Matrice 350 RTK (DJI M350 RTK). The attachment bracket secures the PRS-M350EX without interfering with onboard sensors and can be easily removed for transport. The system includes an electronic module to power the Parachute Pod™...

  • Page 11: Specifications

    PRS-M350EX USER MANUAL FOR DJI M350 RTK 2. Specifications OVERVIEW Total Weight 1120 grams (2.47 lbs) Average Descent Rate 3.24 m/s (10.62 fps) (7.70 kg) Average Descent Rate 3.54 m/s (11.61 fps) (9.20 kg) Average Impact Energy 40.30 Joules (29.80 ft-lb) (7.70 kg)

  • Page 12: Payloads

    3. Payloads AVSS’s PRS-M350EX typically works with the various DJI M350 RTK payload options that are provided by DJI and that have been developed to integrate through the DJI PSDK Port. As of 2024-02-26, the following payload combinations, if using the user manual data located on DJI’s and payload partners’...

  • Page 13: Warranty

    DJI M350 RTK Text File ▪ • If the PRS-M350EX is deemed void, the cost of analysis and shipping shall be the responsibility of the end-user. Nothing herein contained shall be construed to exclude or limit any warranty, express or implied by law.

  • Page 14: What's In The Box

    PRS-M350EX USER MANUAL FOR DJI M350 RTK What’s in the Box: 1. Parts Included A. Parachute Pod™ G. FTS PSDK Module B. FTS Connector H. HR30 FTS Cable Manual Trigger Device with C. Electronic Module Battery D. Top Plate Allen Keys E.

  • Page 15: System Overview

    PRS-M350EX USER MANUAL FOR DJI M350 RTK System Overview 1. Parachute Recovery System A. Parachute Pod™ F. Firing Pin Receptacles B. Electronic Module G. Orientation Key C. MicroSD Dust Cap for the H. Battery Door USB/microSD Card Slot D. Status LED Electrical Contacts E.

  • Page 16: Attachment Bracket

    PRS-M350EX USER MANUAL FOR DJI M350 RTK 2. Attachment Bracket A. Top Plate B. Quarter Turns (2) C. Side Plates (2) D. Landing Gear Screws (8) E. Bracket Leg Connectors © 2024 AVSS – ALL RIGHTS RESERVED...

  • Page 17: Flight Termination System - Through Psdk

    PRS-M350EX USER MANUAL FOR DJI M350 RTK 3. Flight Termination System – Through PSDK D. HR30 FTS Cable to A. FTS PPSDK Module Electronic Module Connector B. HR30 FTS Cable Female E. HR30 FTS Cable to FTS Connector Connector C. USB-C Connector to DJI M350 RTK PSDK Port ©...

  • Page 18: Manual Triggering Device

    PRS-M350EX USER MANUAL FOR DJI M350 RTK 4. Manual Triggering Device A. Triggering Button F. Status LED B. Antenna G. Power Button C. Lanyard Attachment H. Sync Button D. Belt Clip USB-C Charging Port E. Arm Button © 2024 AVSS – ALL RIGHTS RESERVED...

  • Page 19: Installation

    PRS-M350EX USER MANUAL FOR DJI M350 RTK Installation ENSURE BOTH THE PRS-M350EX AND DJI M350 RTK ARE OFF DURING INSTALLATION UNLESS REQUIRED FOR COMPLETING THE STEP. 1. Electronic Module Turning on the PRS-M350EX Turn on To turn on PRS-M350EX, press on...

  • Page 20: Parachute Pod

    PRS-M350EX USER MANUAL FOR DJI M350 RTK 2. Parachute Pod™ • ONLY REMOVE PARACHUTE PARACHUTE HAS BEEN DEPLOYED. • ENSURE THAT THE PRS-M350EX IS OFF BEFORE REPLACING THE POD. Attaching and changing the Parachute Pod™ Remove Using the supplied hex key, unscrew the M6 Parachute Step bolt until the pod can be removed.

  • Page 21: Attachment Bracket

    PRS-M350EX USER MANUAL FOR DJI M350 RTK 3. Attachment Bracket First Time Use Bracket Leg Connectors for the DJI M350 RTK Unscrew and remove the M350 landing gear. Then, align the landing gear spacers to the Attachment bottom of the side brackets.
  • Page 22 PRS-M350EX USER MANUAL FOR DJI M350 RTK Ongoing Use Installing the Attachment Bracket Before Use After completing the first time Spacers install steps, the DJI M350 RTK Step 1 Prepared and PRS-M350EX are ready to be attached for flight. Standing behind the drone, take...
  • Page 23 PRS-M350EX USER MANUAL FOR DJI M350 RTK Rotate the plate towards the back Rear Side of the DJI M350 RTK until the hook Step 5 Plates latches into the block. A click should be felt/heard. Take the front side plate and...
  • Page 24 PRS-M350EX USER MANUAL FOR DJI M350 RTK Ensure that both side brackets are fully inserted. The flat surface on Step 10 Top Plate which the top plate will rest should be flat. Bend front side plates Step 11 Top Plate outwards as shown.
  • Page 25 PRS-M350EX USER MANUAL FOR DJI M350 RTK Push the top plate towards the Step 15 Top Plate back of the drone such that it locks with the hooks on the side plates. Push the front side plate inwards so that it rests against the top...

  • Page 26: Psdk Flight Termination System Firmware Configuration

    PRS-M350EX USER MANUAL FOR DJI M350 RTK 4. PSDK Flight Termination System Firmware Configuration Ongoing Use Connecting PRS-M350EX FTS PSDK Module. Open the DJI Step M350 RTK PSDK Open PSDK port. Port Orient the PRS- Align the PRS-M350EX FTS Step...
  • Page 27 PRS-M350EX USER MANUAL FOR DJI M350 RTK First Time Use & After Firmware Updates The PRS-M350EX uses the DJI M350 RTK Onboard SDK (PSDK) to instigate flight termination. The flight termination system shuts off the DJI M350 RTK motors prior to the deployment of the Parachute Pod™.
  • Page 28 PRS-M350EX USER MANUAL FOR DJI M350 RTK Launch DJI Assistant 2 (Enterprise). Make sure you have the latest Step Launch DJI version of DJI Assistant 2, which you can download from Assistant 2 https://enterprise.dji.com/matrice-350-rtk/downloads Log in to Step Log in to your DJI Account. If you do not have an account, you will need to create one.
  • Page 29 PRS-M350EX USER MANUAL FOR DJI M350 RTK Open the settings tab in the top right of the window. Configure Step Configure the data authorization settings to allow for data authorization of Settings the Onboard SDK APP ID. Turn on the authorizations as shown.
  • Page 30 PRS-M350EX USER MANUAL FOR DJI M350 RTK Select the “Onboard SDK” tab from the left side menu. In this Configure new window, complete the following: Step DJI M350 • Select “Enable API Control” via checkbox on the top left. RTK PSDK...
  • Page 31 PRS-M350EX USER MANUAL FOR DJI M350 RTK Turn Off Step PRS and Turn off the PRS. Once complete, turn off the DJI M350 RTK. Drone Step Close DJI Once the PRS and DJI M350 RTK are off, close DJI Assistant.
  • Page 32 PRS-M350EX USER MANUAL FOR DJI M350 RTK Reconnect Step to Drone in Once again, the DJI Assistant 2 app will recognize that the DJI M350 RTK is available. Click on the icon to connect to the drone. Assistant 2 Return to the Onboard SDK tab using the left side menu. Verify that the correct settings were saved.
  • Page 33 PRS-M350EX USER MANUAL FOR DJI M350 RTK Step Cycle PRS Turn the PRS OFF. Wait a moment and then turn the PRS back Power ON. After a moment, the LED will blink purple and blue. Turn the PRS OFF. Wait a moment and then turn the PRS back...

  • Page 34: Battery & Charging

    PRS-M350EX USER MANUAL FOR DJI M350 RTK Battery & Charging 1. Battery Safety • The PRS-M350EX EM is equipped with an independent 1S LiPO battery to supply power. • The PRS-M350EX EM and manual triggering device (manual remote) shall be charged before use and only by an AVSS supplied or approved USB-C Cable.

  • Page 35: Changing Electronic Module Battery

    PRS-M350EX USER MANUAL FOR DJI M350 RTK 3. Changing Electronic Module Battery Replacing PRS-M350EX Battery Using the knob, turn the knobs Turn the Step 1 open battery Battery Knobs compartment door. Open Battery Using the knob, turn and open Step 2 Door the battery compartment door.

  • Page 36: Firmware & Sd Card

    PRS-M350EX USER MANUAL FOR DJI M350 RTK Firmware & SD Card 1. MicroSD Card Removing and/or inserting the SD Card Pull charging port cover to open it. The tab will open Step 1 Open Door with a hinged door that...

  • Page 37: Firmware Updates

    PRS-M350EX USER MANUAL FOR DJI M350 RTK 2. Firmware Updates Firmware updates should be performed when a new version is released by AVSS. Check the AVSS website regularly for firmware updates. Updating the Firmware Follow the steps in Manual Synchronize...
  • Page 38 PRS-M350EX USER MANUAL FOR DJI M350 RTK The PRS-M350EX LED should turn white to indicate the firmware is downloading. Then the LED should be pink to indicate updating, and then the LED will turn white again to Step 6 Firmware LED download the next firmware.

  • Page 39: Status Indications

    The PRS-M350EX status, also referenced as “Heartbeat” is indicated using a combination of LED color and buzzer signals. The PRS-M350EX Status LED is located next to the ON/OFF switch. The LED color on PRS-M350EX and manual triggering device indicates the stage of the flight.

  • Page 40: Manual Triggering Device Status Indication

    2. Manual Triggering Device Status Indication The LED on the manual triggering device indicates its status for 2 seconds and blinks the status of the PRS-M350EX so the pilot can monitor the status of the PRS-M350EX in the sky conveniently.

  • Page 41: Operating Procedures

     Ensure the foam spacers are still secure to the bracket  Insert Attachment Bracket legs, two per side, to the bracket leg connectors  Ensure that the PRS-M350EX top plate and main system are securely attach  Verify that bracket is secure to the DJI M350 RTK ...

  • Page 42: In-Flight Checklist

     Disarm manual triggering device  Turn off the PRS-M350EX once it has landed  After the PRS-M350EX is off, turn off the DJI M350 RTK 6. Post-Flight Checklist (No Deployment)  Ensure PRS-M350EX is disarmed before approaching the DJI M350 RTK ...

  • Page 43: Maintenance & Care

    The PRS-M350EX’s Parachute Pod™ is intended as a single-use item that can be quickly removed and replaced in the field; however, the PRS-M350EX must be repacked in 18 month intervals.

  • Page 44: Frequently Asked Questions

    PRS-M350EX USER MANUAL FOR DJI M350 RTK Frequently Asked Questions How do I register my PRS- Go to https://www.avss.co/products/product- M350EX? registration/ When does the ATS Arm? 43 meters When does the Manual Triggering By the pilot initializing the manual triggering Device Arm? device through the “arm”...

  • Page 45: Parachute Pod™ Deployment Procedures

    • If you are purchasing a new Parachute Pod™, AVSS will send you a purchase link for a replacement Parachute Pod™, plus deposit. • Once fully paid, AVSS will then send you the replacement Parachute Pod™.

  • Page 46: Customer Support

    PRS-M350EX USER MANUAL FOR DJI M350 RTK Customer Support Email: customersupport@avss.co Telephone: Monday to Friday, excluding holidays 10:00 am Est to 4:00 pm Est +1-844-852-0665 © 2024 AVSS – ALL RIGHTS RESERVED...

  • Page 47: Appendix A: Dji M350 Rtk & Payload References

    2020-09-01 https://www.dji.com/ca/zenmuse-h20-series/specs DJI H20T 2020-09-01 https://terra-1- U10 Methane 2019-10-09 g.djicdn.com/851d20f7b9f64838a34cd02351370894/others/E N-a5_U10%20Gas%20Detector_en_format_191009.pdf https://terra-1- Wingsland Z15 2019-09-16 g.djicdn.com/851d20f7b9f64838a34cd02351370894/others/Z 15_Spotlight_en.pdf https://dl.djicdn.com/downloads/zenmuse_xt/en/Zenmuse_XT_ Zenmuse XT 2016-07-11 User_Manual_V1.2_en_0708.pdf https://dl.djicdn.com/downloads/Zenmuse%20XT%202/Zenmu Zenmuse XT 2 2018-05-11 se%20XT%202%20User%20Manual%20v1.0_.pdf https://dl.djicdn.com/downloads/zenmuse_z30/20180810/Z30 Zenmuse Z30 2018-10-08 _User_Manual_EN.pdf © 2024 AVSS – ALL RIGHTS RESERVED...

  • Page 48: Appendix B: Imu Calibration Instructions

    PRS-M350EX USER MANUAL FOR DJI M350 RTK Appendix B: IMU Calibration Instructions A red flashing LED and a beeping sound coming from the PRS-M350EX indicates that the IMU must be calibrated. There are two methods of calibrating the IMU on the PRS-M350EX, either by placing the PRS-M350EX in the travel box or keeping the PRS-M350EX on the drone.
  • Page 49 PRS-M350EX USER MANUAL FOR DJI M350 RTK Step 4 Close the box. Rotate the box 90 degrees towards Step 5 the latched end and allow the box to stand on this end for 5 seconds. Rotate the box 90 degrees in the...
  • Page 50 PRS-M350EX USER MANUAL FOR DJI M350 RTK Bring the box back to the original Step 7 position and rotate it to the right side 90 degrees and wait for 5 seconds. Bring the box back to the original Step 8 position and rotate it to the left side 90 degrees and wait for 5 seconds.
  • Page 51 PRS-M350EX USER MANUAL FOR DJI M350 RTK If the travel box cannot be found and calibration is needed, then use the following method on the drone. PRS-M350EX IMU Calibration on the Drone Remove the props from the drone Step 1 and keep it on a level surface.
  • Page 52 PRS-M350EX USER MANUAL FOR DJI M350 RTK Bring the drone back to level and Step 4 then tilt it forward 90 degrees. Hold steady for 5 seconds. Bring the drone back to level and Step 5 then tilt it towards the right 90 degrees.
  • Page 53 PRS-M350EX USER MANUAL FOR DJI M350 RTK Bring the drone back to level and Step 7 leave it for 20 seconds. If the calibration is successful three If the calibration is unsuccessful the beeps will start from the PRS- LED will continue to flash and the...

  • Page 54: Appendix C: Prs-M350Ex (External Fts For Moc2511 Compliance)

    Compliance) 1. PRS-M350EX Overview The PRS-M350EX is a version of the PRS-M350EX that includes an External FTS (EFTS) module for compliance for Enhanced Containment under MOC2511. The PRS-M350EX uses both the OSDK FTS and an additional External FTS module. Therefore, additional installation instructions are provided which should be followed along with the general installation procedures in the sections above.

  • Page 55: External Fts Installation

    PRS-M350EX USER MANUAL FOR DJI M350 RTK 2. External FTS Installation An extended battery latch is provided to accommodate the electrical FTS. Installing the Extended Battery Latch WARNING: The plastic component indicated by the red arrow is spring loaded. Hold it in place so that it doesn’t fall.
  • Page 56 PRS-M350EX USER MANUAL FOR DJI M350 RTK Inserting the TB60 Battery into FTS module Step Orienting the Orient the battery connector so that it Battery is facing the EFTS puck. Align the TB60 battery with the EFTS puck. Ensure the EFTS connector and...

  • Page 57: External Fts Limitations

    PRS-M350EX USER MANUAL FOR DJI M350 RTK Connect the EFTS Controller Module to the PRS-M350EX port opposite the OSDK Module Port. The port is located on the side to the left of the PRS when looking at the power button. There may be a cap on this connector.

  • Page 58: External Fts Maintenance

    PRS-M350EX USER MANUAL FOR DJI M350 RTK 4. External FTS Maintenance Follow all the maintenance guidelines provided for the PRS-M350EX in the Maintenance & Care section of this User Manual, and follow the additional guidelines below for the External FTS: •...

  • Page 59: Pre-Flight Fts Check

    PRS-M350EX USER MANUAL FOR DJI M350 RTK 5. Pre-Flight FTS Check The PRS-M350EX allows for a pre-flight FTS check on the ground for the DJI M350 RTK. This pre-flight check is only enabled on the ground with the motors initially disarmed. This PRS- M350EX mode is only enabled for 1 minute, after which the PRS-M350EX will auto shutdown and must be restarted.

  • Page 60: Ground Risk Buffer Prescription

    Remote The PRS-M350EX will automatically shut down after 1 minute if the FTS is not triggered in FTS-mode. If the PRS-M350EX is manually restarted before the FTS is triggered or before the timeout then the remote may still be in FTS mode. The remote will also reset after 1 minute of being in FTS mode.

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