Brushless RPM Sensor V2
Contents
1. and 14 magnets in the flux ring the motor has 14 poles Note that most but not all in runner motors are two pole motors If you are uncertain about the number of poles or want to verify you calculated correctly a hand held tachometer can be used to compare the RPM value displayed real time by your recorder in a bench test assuming it is safe for you to do this Real time display is available in Recorder USB Live Mode on the eLogger PowerPanel or with the Seagull Wireless Dashboard If the value displayed is incorrect you can change the poles setting to adjust the displayed RPM value For example if your handheld tachometer reads 4000 RPM and your Eagle Tree data shows the maximum RPM of 8000 you would need to double the number of poles to 2 For Pro Flight Boat or eLogger users click on Calibration Calibrate Motor RPM select the Brushless Motor RPM Sensor option and enter the number of Poles and the gear ratio For Car Recorder users Choose Calibration Calibrate Speed from RPM and follow the above procedure For recording RPM make sure to click Hardware Choose Parameters to Log In the Recorder in the Windows Application and select the RPM parameter RPM data can be displayed with our Data Recorder software with our PowerPanel LCD with our Seagull Dashboard or with our OSD products There are two types of RPM parameters that can be displayed assuming calibration has been completed correctly a M2. y EAGLE TREE SYSTEMS Instruction Manual for the Brushless Motor RPM Sensor V2 Document Version 2 0 Thank you for your purchase This instruction manual will guide you through the installation and operation of your Brushless Motor RPM Sensor V2 the Sensor Please read the entire manual carefully before proceeding If after you read the manual you have further questions or problems see the Support page on http www eagletreesystems com for additional information or email us at support eagletreesystems com Intended Uses The Brushless RPM Sensor is intended to be used exclusively for recreational purposes in model planes boats and cars Any other use is not supported IMPORTANT It is unlikely that the installation of the Sensor will affect your model s radio range or control But as always after making an electronics change to your model it is very important that you range and function test your model once the Sensor is installed to ensure that there is no impact on your system Make sure that your antenna down operating range is within the manufacturer s specifications See your Radio owner s manual for the correct procedure for your equipment DO NOT OPERATE IF YOUR MODEL DOESN T PASS THE ANTENNA DOWN RANGE CHECK Packing List Your package should include the following The Brushless Motor RPM Sensor V2 and a printed version of this manual Please check your packaging for printed addenda to this manual which may be include
3. R IN THIS LIMITED WARRANTY OR FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES INCLUDING WITHOUT LIMITATION ANY LIABILTY FOR THIRD PARTY CLAIMS AGAINST YOU FOR DAMAGES FOR PRODUCTS NOT BEING AVAILABLE FOR USE OR FOR LOST DATA OR LOST SOFTWARE OUR LIABILITY WILL BE NO MORE THAN THE AMOUNT YOU PAID FOR THE PRODUCT THAT IS THE SUBJECT OF A CLAIM THIS IS THE MAXIMUM AMOUNT FOR WHICH WE ARE RESPONSIBLE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU Copyright 2006 2011 Eagle Tree Systems LLC http www eagletreesystems com
4. d if changes were made after printing How the Sensor Works The Brushless Motor Sensor works with your Data Recorder eLogger to measure RPM via pulses from any two of the wires leading from your Electronic Speed Controller ESC to your motor The sensor works with all known brushless motors If you have a brushed motor the sensor will not work Brushed motor RPM can be measured with our Magnetic or Optical RPM sensors Supported Products The Sensor works with the following Eagle Tree Products eLogger all versions and all Seagull Flight Systems and Data Recorder V2 products with firmware version 4 XX or higher Data Recorder Steps to Follow Installation and use of your Sensor should be quite easy and enjoyable if you follow these few steps a Read through the manual to understand the warnings determine the installation and setup sequence etc b Upgrade the Windows Application and Firmware for your Recorder as described in the Windows Application and Firmware Update section below c Complete the installation as described below Connecting the Brushless Motor Sensor the Pro Flight Car or Boat Data Recorder The Sensor plugs into your Data Recorder as shown in Figure 1 Make sure that you connect it in the correct location on the recorder and with the correct polarity the plug is polarized NOTE Make sure the power supply to the Recorder from
5. otor RPM This parameter indicates the actual speed the motor is turning b Prop RPM Headspeed This parameter indicates the speed of the propeller or helicopter headspeed Troubleshooting Below is a list of problems that may be encountered and steps to remedy them If your particular issue is not addressed by the below see the Support page on http eagletreesystems com or email support eagletreesystems com Include a full description of your problem your machine configuration brands models of receivers transmitters and servos Windows Application and Recorder firmware version if possible and any other relevant details Issue RPM is not working correctly Solutions e Inthe Windows Application make sure that the Brushless Motor RPM Sensor option is selected in Calibration Calibrate Motor RPM or Calibration Calibrate Speed from RPM and make sure your number of poles and gear ratio are set correctly e For recording RPM make sure that when you click Hardware Choose Parameters to Log in the Windows Application you have checked RPM e Ifyou are using the sensor with a Data Recorder not the eLogger make sure the power supply to the Recorder from the Y cables or separate battery pack is less than about 5 6V Limited Warranty Eagle Tree Systems LLC warrants the Brushless Motor RPM Sensor to be free from defects in materials and workmanship for a period of one 1 year from the date of original purchase Thi
6. s warranty is nontransferable If your unit requires warranty service during this period we will replace or repair it at our option Shipping cost to us is your responsibility To obtain warranty service email support eagletreesystems com for further instructions This limited warranty does not cover e The Software See the Software license agreement for more information on Software restrictions e Problems that result from O External causes such as accident abuse misuse or problems with electrical power O Servicing not authorized by us O Usage that is not in accordance with product instructions O Failure to follow the product instructions THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE OR JURISDICTION TO JURISDICTION OUR RESPONSIBILITY FOR MALFUNCITONS AND DEFECTS IN HARDWARE IS LIMITED TO REPAIR AND REPLACEMENT AS SET FORTH IN THIS WARRANTY STATEMENT ALL EXPRESS AND IMPLIED WARRANTIES FOR THE PRODUCT INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN TIME TO THE TERM OF THE LIMITED WARRANTY PERIOD AS DESCRIBED ABOVE NO WARRANTIES WHETHER EXPRESS OR IMPLIED WILL APPLY AFTER THE LIMITED WARRANTY PERIOD HAS EXPIRED SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THIS LIMITATION MAY NOT APPLY TO YOU WE DO NOT ACCEPT LIABILITY BEYOND THE REMEDIES PROVIDED FO
7. the Y cables or separate battery pack is less than about 5 6V when using the Brushless RPM Sensor for the most reliable operation The Brushless sensor can also be used as a secondary RPM sensor with your Recorder Up to 4 RPMs can be measured in this way with the Pro Recorder To use the Brushless sensor as a Secondary sensor please see your Seagull or Recorder instruction manual for instructions on modifying it Figure 2A Connecting the Sensor to the eLogger V4 or V3 The Sensor plugs into the RPM port of the eLogger V4 or V3 as shown in Figure 2A Connecting the Sensor to the eLogger V1 or V2 re The Sensor plugs into the RPM port of the eLogger as shown in Figure 2 White Red Connecting the Sensor to your Power System Black WARNING The wires of the Sensor are designed to carry only the tiny currents required for the eae ug Sensor to measure RPM The wires must never be connected in a way where large current could flow through them or in a way where they could become damaged and short with other conductors Figure 2 There are two unconnected wires extending from the Sensor labeled Wire 1 and Wire 2 See Figure 3 These wires need to be electrically connected to any 2 of the 3 wires leading from your ESC to your motor The end of these wires can be soldered clipped or otherwise electrically connected to one of the motor wires If you use bullet type plugs between your motor and ESC it is very eas
8. y to connect the RPM sensor wires by just stripping off a short piece of the insulation and connecting the bullet plug with the stripped RPM wire inside it For convenience if you plan on frequently moving the Sensor between motors a small plug could be attached to one of the motor leads and the mating plug attached to the Wire 1 and Wire 2 wires Or for more portability if it can be done safely a short straight pin could be connected to the Sensor Wire 1 and To Wire Copyright 2006 2011 Eagle Tree Systems LLC http www eagletreesystems com Page 2 2 wire and the pin could be used to pierce the insulation of one of your motor wires thus forming an electrical connection Note with most ESC motor combinations the sensor should work correctly if only the Wire 1 wire is connected and the Wire 2 wire is left disconnected Configuring and Calibrating the Sensor with the Windows Application If you have not already done so install your Data Recorder or eLogger in your model and set up the Recorder software as described in your instruction manual To calibrate the RPM sensor you need to know the number of poles your brushless motor has This information is normally supplied by the motor manufacturer The term poles refers to the number of magnets in the motor NOT the number of stator teeth legs or hammerheads For example if you have an outrunner with 10 teeth on the stator
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