USer manUal
Contents
1. Version 17 12 2010 RA00305 Nosram 2010 ESF 90915 BL Competition SpecRacing Dual XPS Profiles SuperBEC 6 0V 3 0A USB Software Updateability version 2 www nosram com for distributor address see packaging XBrake tyes O Multi Protection System3 yes USB Software Updateability yes 4 adjustable Modes SCS2 Dual XPS Autobrake Transistors ratings at 20 C junction temperature Specifications subject to change without notice LANATIONS RECEIVER CONNECTING WIRE The Pearl SR Ve is equip ped with a Multicon receiver wire As supplied it will easily a Z 3 fit in all ordinary receivers Make sure you connect it to 5g 2 2 a receiver with correct polarity and use channel 2 a 2 Zoe 2 SENSOR CONNECTOR located underneath the solder Power Capacitor Saeaesg tabs The bi directional multipole sensor wire connects the speed control and the motor Always use the sensor wire and do not alter or modify this cable There are replaceable E optional hall sensor wires available Through this sensor connector the Pearl SR V2 can also be updated with the latest software updates available at www nosram com using the optional USB Bridge 92500 Please refer to USB Software Updateability for details Sensor Connector underneath solder tabs POWER WIRES For maximum performance flexible silicone power wires without any connectors are used The uniq2. EEE OEEOEESETE TOE ESE OOETEETEESEETETEEEOH EE EOEE TEE EEHH EE SEEHEESEESEE TEETER ELESEDELESEEE ELLE EE EE EOE Mode 2 Torque Feel LED flashes Remark Torque Timing 40 50 60 70 80 0 Initial Drive Level 2 oi 4 Hoo n 4 oS use for motors K12 motors all other motors Mode 3 RPM Boost LED flashes Remark Boost Timing 50 60 70 80 90 100 RPM Ramp slow fast slow fast slow fast slow fast slow fast slow fast Yellow Red alternate Mode 4 Automatic Brake allows you to set a slight braking action when your trigger is in neutral range LED flashes 1 2 3 4 5 6 7 8 9 10 Yellow Red same time Going from lowest to highest automatic brake setting value 1 minimum value 10 maximum If value 0 is choosen for Mode 2 AND Mode 3 e g factory default the blue LED will flash in neutral trigger position to indicate that entire timing advancement is disabled for true stock racing as required by certain federations SmartCell System 2 ensures that all batteries can be used safely for all applications please select the correct value according to our table under Mode Programming When the battery voltage reaches the selected cut off voltage the motor function will be disabled and the LED s will indicate that the shutdown has occured due to undervoltage of your batteries see right side Multi Protection System 3 for f
3. and avoid damages of the product Proceed according to the user guide in order to understand your speed control better Please take your time as you will have much more joy with your product if you know it exactly This user manual shall be kept in a safe place If another customer is using this product this manual has to be handed out together with it In setup mode the speed control stores every step e g learning your radios neutral and endpoints by pressing the SET button All the settings will be stored in the memory even if it will be disconnected from the battery TRANSMITTER SETTINGS Setup the following basic functions on your transmitter if available Throttle Travel High ATV EPA 100 Brake Travel Low ATV EPA ATL 100 Throttle Exponential EXP EXPO start with 0 Neutral Trim SUB Trim centre Servo Reverse Throttle Reverse any setting don t change after set up procedure If your transmitter doesn t offer any of above functions it s already in basic setup mode e Ensure that the speed control is not connected to the drive battery and is switched off e Remove motor pinion or ensure that the wheels of the model are free to rotate e Switch the transmitter on and set the transmitter throttle stick to neutral e Connect the speed control to the battery and switch the unit on e Hold the SET button pressed for at least 3sec gt You entered setup mode and the SET LED flashes blue it will flash until the setup is com
4. latest firmware available for download at www nosram com The optional USB Bridge Speedo Firmware Update PC Link 92500 and a PC are required to do so please refer to Nosram website and the manual which comes with the interface for exact details how to do software updates to your speed control The same USB Bridge can be used to update all the latest Nosram speed controls 90905 90955 90880 etc Please check guide at ww nosram com for further details Thank you for your trust in this Nosram product By purchasing a Nosram Pearl SpecRacing Version2 hereinafter refered to as Pearl SR V2 brushless speed control you have chosen one of the most advanced and successful speed controls of today This speed control with all of its high tech features and specially selected electronic components is one of the best speed controls currently available on the market Multiple National Champion 2009 2010 e USB Software Updateability e Boost 0 Mode with disabled timing function e SmartCell System 2 e Smart Temp Readout System 3 e Small footprint e Pure Brushless Competition e NEW Dual XPS Profiles e SuperBEC for 1S to 2S LiPo without receiver pack e Full Contact Cooling Technology e 3 Way Protection System 3 Please read the following instructions carefully before you start using your speed control This user guide contains important notes for the safety the use and the maintenance of this product Thus protecting yourself
5. O EOHETERELEHEHEDELEEEEEDELELEEEDELEEEEELELEOE LEBEL OC LE Recommendations by the team based on our extensive testing we recommend the following gearing and profile range for different motors and classes Please take this as a starting point and finetune it from there our recom mendations are based for average medium size tracks Motor Type Turns Class f Touring Car 1 12 15 Off Road Touring Car 1 12 1S Off Road Touring Car 1 12 15 Off Road Touring Car 1 12 15 Off Road Touring Car 1 12 15 Off Road Touring Car 1 12 15 Off Road Nosram Pure Nosram Cobra LRP X12 LRP K4 All other motors 2 5 Orion Epic GM Corally etc Lower Motor Temperatures our engineers succeeded to further improve the commutation algorithm which results in much lower motor operating temperatures then when other speed controls are used Our own extensive testing has shown up to 20 C lower motor temperatures with same power then before All New Brake Design a good starting point for the brake setting on your radio is 80 for all classes Make sure you do the radio setup with all settings on the radio on 100 Changing Mode settings without the transmitter At race events you usually do not have access to your transmitter but never mind since you can simply disconnect the receiver lead from the receiver and change the MODE settings as described at Mode Programming Works Default Settings All Nosram speed
6. Yellow Speed Control Thermal Shutdown too high settings for XPS Dual power profiles too high gear ratio too low motor wind for application Motor Thermal Shutdown too high mechanical motor timing ae battery empty or wrong setting in SCS2 Yellow Red as battery damaged alternate flashing Battery Low Voltage Cut Off motor too strong for battery discharge capability poor connection bad connector bad soldering joint sensor wire missing or defective _ motor defective locked rotor damaged sensor Active power reduction at critical temperatures The cut off function for both motor and speed control temperature is now an active type in case you re getting near critical temperatures the speed control will automatical ly switch to BoostO mode during operation A critical temperature is considered as equal to 9 flashes This function allows you to finish your run or at least reach the pitlane during running at reduced speed as otherweise you would not finish your run The blue LED will flash in case the 9 flashes where reached during the run to indicate it switched to Boost0 mode but this mode will of course not be stored in the memory but your choosen profiles will be active for next run after switching off on again You should not exceed 8 flashes during normal use for both motor and speed control temperature please adjust your XPS profiles and motor accordingly so you stay within these saf
7. ales receipt and detailed description of malfunction e Send parcel to your national NOSRAM distributor e Distributor repairs or exchanges the product e Shipment back to you usually by COD cash on delivery but this is subject to your national NOSRAM distributor s general policy
8. ash below 10 equals to 5 C temperature decrease Temperature chart speed control and motor temperature Caution motor temperature read out only works if motor has a built in NTC temperature sensor The Pearl SR Ve features 4 modes which enable you to adjust it 100 to YOUR special requirements The factory settings are shown in grey colour How to get into programming the modes How to check the stored values Press MODE button for 3 or more seconds Count the number of flashes of the blue SET LED value 1 value 2 etc Press SET button to increase value by one step Press MODE button once If you are in MODE 4 press the MODE button one more time which will also store the settings Important do not turn the switch off before leaving Mode 4 by one more press of MODE button as otherwise your recent changes won t be stored in the memory of the Pearl SR Ve Table of settings values and modes see below grey shaded values show works default settings How to change the value How to get to the next Mode How to leave the programming mode 1S LiPo 2SLiFePo 2S LiPo Caution WorksDefault setting is 25 LiPo so if you use other batteries you need to adjust Mode 1 before first use Using value 0 in this mode will also disable the motor temperature cut off function Please refer to section Multi Protection System 3 for further details COCO EESEEEEESEEEE TOE ESEE HEE OOEHE EE OESE ETE OOE
9. ch are within Motor stronger than motorlimit or input voltage Servo is working no motor function No servo and no motor function Motor stutters while accelerating Maintain model Replace motor Repeat set up procedure Immediately unplug and dry speedo Replace sensor board or motor See Installation Tips and Installation Stuck drivetrain or ball bearing Motor defective Motor never stops runs at constant slow speed Humidity water in speedo Motor or sensor board in motor defective Radio interference Receiver or antenna too close to power wires motor battery or speedo Receiver aerial too short Receiver defective too sensitive Transmitter defective transmitter output power Replace components one by one Only use original manufacturers crystals Poor battery connection Transmitter batteries empty Check plugs and connecting wires Replace recharge transmitter batteries The crossed out wheeled bin means that within the European Union the product must be taken to seperate collection at the product end of life Do not dispose of these products as unsorted municipal waste i Allows you to adjust the Pearl SR V2 characteristics to different motor types classes and personal likes These two mode s combine Nosram s completely revised active motor timing system where the software calculates the best commutation amp timi
10. controls come factory adjusted defaults are grey shaded above If you loose track of the modes you can restore the works default settings With the transmitter switched on hold the SET button pressed while you switch on the speed control This returns the unit to the works default settings Power Capacitor Never run without a power capacitor It offers increased punch and additional protection it must be connected to BAT and BAT solderpads with shortest possible wires Full Contact Cooling another first achieved by NOSRAM The revolutionary Full Contact Cooling Technology for lowest running temperatures a special copper core bonds the bottom side fets to the heatsink for even cooling of all fet s which results in higher power towards the end of the run and a lower motorlimit All products from NOSRAM are manufactured according to the highest quality standards NOSRAM guarantees this product to be free from defects in materials or workmanship for 90 days non european countris only from the original date of purchase verified by sales receipt This limited warranty doesn t cover defects which are a result of misuse improper maintenance outside interference or mechanical damage This applies among other things on Cut off original power plug or not using reverse polarity protected plugs Receiver wire and or switch wire damaged Mechanical damage of the case Humidity Water inside the speed control Mechanical damage of electronica
11. e limits The final thermal cut off will occur at 10 flashes as explained further down At your own risk if you wish to disable motor temperature cut off completely you can do so by using value O in Mode 1 We call this function Hardcore Racing Mode as it also disables the cell voltage cut off completely Important The speed controls thermal cut off can not be disabled Smart Temp Readout System 3 allows you to read out the maximum internal temperature that the speedo and motor have reached during the run You can convienently read out the temperature back in the pits since it remains stored until you turn it on the next time regularly which will reset the memory This feature allows you to accurately check if all is running well or if you re close to shutdown already How to read out the temperature switch at OFF position keep MODE button pressed while you turn switch to ON then release button at first speed control temperature will be indicated SET LED will start to flash blue MODE LED s are off count the number of flashes The higher the number the hotter the speedo ran shutdown occurs at 10 flashes to change to motor temperature read out press MODE button one more time SET LED will start to flash blue MODE LED s are off again for motor the LED s on time will be shorter count the number of flashes The higher the number the hotter the motor ran shutdown occurs at 10 flashes VU VY every fl
12. g which is applied to the motor based on it s RPM There is a total of 12 profiles see chart on left side with details and numbers gt 6 of them are different boost timing steps from 50 to 100 gt each of these is also available with two different RPM ramps fast slow Always start with the slow rpm ramp profiles odd numbers first and find the desired boost timing for your motor before trying the fast profiles even numbers Certain motors will not like the slow or the fast ramps which may result in strange feeling and unlinear power release Choosing a too high value in mode 3 increases the motor temperature excessively make sure you find the best perfor mance by increasing step by step very carefully and monitor motor temperature Important all 12 values are designed for stock motors if you want to run modified motors you should select 0 PCCP OOOH CELE SEES EEE OEEE EEE E SOHO E TEE OOET ETOH SOTO ETE H OOH E TEE OOOE ETE ESOS ETOH OEE E TOO OOSO ETOH TESTE EO TOHO EEE ESESEE ELE TESESL ES ESESESELESESEEE LEED General gearing advise correct gearing is crucial for good performance generally the Pearl SR V2 produces a large amount of torque therefore it can be geared quite high large pinion compared to other speed controls If geared too low you can not obtain maximum available power in regards of torque amp speed POPP e COTE EE EEEE HE LEEEEEEEEOEEEEHETEOEEE TO TOHEEEH ETOH EEETOEOHEEEHETEEEEE TO EEEETETEEEHEH EE
13. l components PCB Soldered on the PCB except on solderpads Connected speed control with reversed polarity To eliminate all other possibilities or improper handling first check all other components in your model and the trouble shooting guide if available before you send in this product for repair If products are sent in for repair which do operate perfectly we have to charge a service fee according to our pricelist With sending in this product the customer has to advise NOSRAM if the product should be repaired in either case If there is neither a warranty nor guarantee claim the inspection of the product and the repairs if necessary in either case will be charged with a fee at the customers expense according to our price list A proof of purchase including date of purchase needs to be included Otherwise no warranty can be granted For quick repair and return service add your address and detailed description of the malfunction lf NOSRAM no longer manufactures a returned defective product and we are unable to service it we shall provide you with a product that has at least the same value from one of the successor series The specifications like weight size and others should be seen as guide values Due to ongoing technical improvements which are done in the interest of the product NOSRAM does not take any responsibility for the accuracy of these specs NOSRAM Distributor Service e Package your product carefully and include s
14. n Dual XPS M02 Adjust gear ratio Adjust settings under Dual XPS or brake Transmitter settings changed after set up Power Capacitor damaged Repeat set up procedure Replace Power Capacitor Motor or sensor board in motor defective Replace sensor board or motor Speed control defective Speedo plugged in incorrectly Send in product for repair Plug speedo to receiver as Ch 2 3 way protection System activated Wiring problem Check settings for your application Check wires and connectors Sensor wire missing defective Install replace sensor wire Motor defective Replace motor Speedo defective Send in product for repair Speedo connected to receiver with wrong polarity Connect speedo with correct polarity Wiring problem Check wires and connectors Battery defective Replace with different battery pack Crystal receiver or transmitter defective Replace components one by one Speedo defective Sensor wire defective Send in product for repair Motor or sensor board in motor defective Replace sensor wire Replace sensor board or motor Radio interference Power capacitor damaged Change location of components Speedo defective Replace power capacitor Send in product for repair accelerating forward on radio Speed control switches off Wrong setting in SCS2 Mode 1 Change value of SCS2 Mode 1 accordingly frequently Model used too often without cool down periods Let cool down after every run Use only motors and batteries whi
15. ng for Torque Feel and Boost RPM Please take your time to understand the two modes and their functions otherwise you will not fully benefit from the latest achievements built into this speed control Be aware that Mode 2 3 are something entirely new and not the same as the settings we had on Version speedo so do not try to transfer your knowledge from old speedo to new Pearl SR V2 Mode 2 lorque Feel there are two separate groups which you need to choose from based on motor type Group A 1 5 for use with Nosram Pure amp Cobra and LRP X12 amp K4 motors gt choose correct value as suggested below Higher value doesn t mean more torque or power this setting needs match your motor motor timing class and preference gt generally choose lower values 1 2 for fast motors 10 5T and higher settings 3 5 for slower motors 17 57 Group B 6 10 gt for use with all other motors such as Nosram Storm LRP X11 Novak Tekin SP Orion Epic GM Corally etc gt these profiles vary by different initial drive levels which alter the feeling for the motor Higher profiles for Group B result in more aggressive throttle response Team advise when using Group A motors and a too high value for Mode 2 the power ney faar before the end of your run If this happens you need to decrease to a lower setting until power stays consistent throughout run Mode 3 RPM Boost adjusts the boost timin
16. ower components the receiver or the antenna as this can cause interference If interference occurs position the components at a different place in the model e The aerial should be run vertically up and away from the receiver Avoid contact with any parts made of carbon fibre or metal If the aerial is too long don t coil up the excess length See also the instructions supplied with your radio control system The Pearl SR V2 comes supplied with flexible 3 3mm silicone power wires without connectors Be very careful with the correct wire sequence colors since an incorrect connection may damage the speed control Avoid creating solder bridges on the solder tabs and isolate all connections carefully e Connect the speed control to the receiver position Channel 2 e Blue power wire Speedo MOT A to motor A e Yellow power wire Speedo MOT B to motor B e Orange power wire Speedo MOT C to motor C e Connect the hall sensor cable to the speed control underneath the solder tabs and the motor Hall Sensor Wire e Doublecheck all connections before connecting the speed control to a battery CAUTION If battery is connected with reversed polarity it will destroy your speed control gt Speedo BAT to battery Plus Speedo BAT to battery Minus e Red power wire e Black power wire e The speed control is now ready to be set up Through the sensor connector the Pearl SR V2 can be updated to the
17. pleted e Leave transmitter in neutral position and press the SET button once gt Neutral setting is stored MODE LED flashes yellow and the motor beeps e Hold full throttle on transmitter and press the SET button once gt Full throttle setting is stored MODE LED flashes red e Hold full brake on transmitter and press the SET button once gt Brake setting is stored LED s glow red MODE and blue SET e This completes the setup procedure and your Pearl SR V2 is ready to use e lf you make a mistake during the setup procedure don t worry Disconnect the battery for about 10sec and start again from the first step e At the start of each run switch on the transmitter first then switch on the car e At the end of each run switch of the car and then switch off the transmitter e For storage of the car disconnect the drive battery at any time Check the LED s when moving the throttle on your radio to doublecheck everything is setup correctly Function Status Mode LED Set LED Neutral when Boost Zero enabled Forward Brake New and improved protection system which also informs you the cause of the shutdown with a special LED flashing sequence You can indicate that a shutdown occured when blue SET LED flashes very fast and the error code cause for shutdown is indicated by the MODE LED s as explained in table below Error Code LED flashing sequences ee Mons an Reason Possible Cause
18. ue splitted solder tabs allow easy and convenient replacement of the power wires Nevertheless some soldering skills are required Avoid soldering longer then 5sec per soldering joint to prevent possible damage to the speed control due Fan Connector to overheating of the components There are full replace ment power wire sets available please refer to complete line up at www nosram com HEATSINK To achieve best perfomance even under ex treme conditions the heatsink has been directly mounted to the speed control This ensures the best possible heat transfer away from the speed control Caution Never attempt to remove the heatsink or your Pearl SR V2 may get damaged if you try to do this The heatsink is an integral part glued to the fet s and therefore cannot be removed On Off Switch Receiverwire OPTIONAL PLUGGED FAN for stock racing a fan is not required as the speed control doesn t become very warm but if you wish to add the optional fan 92512 it can be mounted on top of the heatsink and then it get s plugged into the 3 pin connector on the front INSTALLAT e Position the speed control and capacitor where they are protected in the event of acrash and gives you easy access to the connectors and buttons e Mount the speedo and capacitor using the supplied thick black doubled sided tape e Make sure there is enough clearance between the speed control power wires antenna and receiver Avoid any di rect contact between p
19. urther details Caution WorksDefault setting is 2S LiPo so if you use other batteries you need to adjust Mode 1 before first use SuperBEC a true BEC revolution Constant 6V 3A output with input voltage from 3 0 to 7 4V no need for a receiver battery or booster circuit even with 1S LiPo due to the integrated buck boost technology There is no point in using a receiver pack in any class of racing with Pearl SR V2 there is no benefit when using one If you still want to use a receiver pack connect it to the receiver directly and leave the speed controls switch in OFF position Make sure the receiver packs voltage is within your receivers amp servo s limitations the speed control itself can accept up to 7 4V from receiver pack To eliminate all other possibilities or improper handling first check all other components in your model and the trouble shooting guide before you send in this product for repair If products are sent in for repair which do operate perfectly we have to charge a Service fee according to our pricelist Always check error by checking LED error code first this gives you a good indication were to search SYMPTOM REMEDY Motor overheats False settings on Mode s 2 and or 3 Adjust settings of Mode s 2 3 Too high mechanical motor timing Too little motor cooling Decrease mechanical motor timing Add cooling fan and or heatsink Insufficient performance Wrong Gear ratio E g poor power topspeed False settings o
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