Manual 1 - Tower Hobbies
Contents
1. RGZM2500 120A WATERPROOF SENSORLESS BRUSHLESS ELECTRONIC SPEED CONTROLLER The RC Gear Shop brushless systems are great for installing into newly built kits or up grading existing RTR brushed and brushless systems Ideal for off road platforms their range of popular kV sizes makes the RC Gear Shop systems a select choice for buggies trucks and short course vehicles The ESCs feature a waterproof case enabling them to go just about anywhere Each system comes pre in stalled with bullet connectors to make installa tion a breeze The ESC has many adjustable features that can be manually programmed or programmed with the optional RC Gear Shop Programming Card which simplifies this process FEATURES Completely water proof and dust proof The ESC works properly even under water Please remove the cooling fan when running car in water and after running please make the ESC clean and then dry it to avoid the oxidation of copper connectors Excellent start up acceleration and linearity features suitable for truggy especially short course trucks and buggy The built in switching mode BEC of GROUND WP SC8 has a powerful output to supply all electronic equipments There is a mounting stand for installing the ESC on chassis easily and firmly Proportional ABS brake function with 5 steps of maximum brake force adjustment 8 steps of drag brake force adjustment and 4 steps of initial brake force adjustment Also2. Low Voltage Cut Off The function prevents the lithium battery pack from over discharging The ESC detects the battery s voltage at any time if the voltage is lower than the threshold for 2 seconds the output power will be cut off and the red LED flashes in such 1 4 Start Mode Also called Punch Select from Level 1 to Level 9 as you like Level 1 has a very soft start effect while Level 9 has a very aggressive start effect From Level 1 to Level 9 the start force is increasing Please note that if you choose Level 7 to Level 9 mode you must use good quality battery pack with powerful discharge ability otherwise these modes cannot get the burst start effect as you want If the motor cannot run smoothly the motor is trembling it may be caused by the weak discharge ability of the battery pack use a better battery or a softer gear ratio 1 5 Maximum Brake Force The ESC provides proportional brake function The brake force is related to the position of the throttle trigger Maximum brake force refers to the force when the throttle trigger is located at the end point of the backward zone A very large brake force can shorten the brake time but it may damage the gears The Disable option inhibits the inherent brake function of the speed controller When this option is selected the brake function is realized by a traditional mechanical disc brake system driven by a servo 1 6 Maximum R
3. compatible with the mechanical disc brake system Multiple protection features Low voltage cut off protection Over heat protection Throttle signal loss protection Motor blocked protection Easily programmed with the SET button of the ESC and also compatible with pocket sized Program Card Optional equipment Special program port for connecting to the LED Program Card User needn t unplug the Rx lead from receiver when programming the ESC SPECIFICATIONS Waterproof 120A Cont Burst Current 120A 760A Suitable Motor Sensorless brushless motors Suitable Car 1 10 SCT Truggy Buggy Monster 1 8 SCT Buggy Includes TRAXXAS 1 10 Truggy and Buggy 2S LiPo KV lt 6000 3S LiPo KV lt 4000 4S LiPo KV lt 3000 Motor Turns Resistance 0 0004 ohm Battery 6 12 cells Ni xx NiMH or NiCd 2 45 LiPo BEC Output 6V 3A Switching mode Note 1 built in BEC Dimension 59 3 L x 38 4 W x 33 6 H Weight 1139 with 12AWG 200 mm 5 wires Note 1 The cooling fan of ESC is supplied by the built in BEC so it is always working under 6V BEGIN TO USE THE NEW ESC WARNING THIS BRUSHLESS SYSTEM IS VERY POWERFUL FOR SAFETY PLEASE ALWAYS KEEP THE WHEELS AWAY FROM THE TRACK WHEN YOU BEGIN TO SWITCH ON THE ESC Connect The ESC Motor Receiver Battery And Servo The A B C wires of the ESC can be connected with the motor wires freely without any sequence If the moto
4. The neutral point Move the throttle trigger at the neutral point and then click the SET key the green LED flashes 1 time 2 The end point of forward direction Move the throttle trigger at the end point of forward direction and then click the SET key the green LED flashes 2 times 3 The end point of backward direction Move the throttle trigger at the end point of backward direction and then click the SET key the green LED flashes 3 times D Throttle range is calibrated motor can be started after 3 seconds Check The LED Status In Normal Running Normally if the throttle trigger is located in the neutral range neither the red LED nor the green LED lights The red LED lights when the car is running forward or backward and it will flash quickly when the car is braking The green LED lights when the throttle trigger is moved to the top point of the forward zone Check The LiPo Cells Setting If You Are Using Lithium Battery If you are using LiPo battery we strongly suggest setting the programmable item 11 LiPo Cells manually to avoid the over discharge problem Please read the instructions on page 2 In normal case when the ESC is switched on the motor will emit several Beep tones to express the cells amount of the battery pack For example Beep Beep means 2S LiPo Beep Beep Beep means 3S LiPo etc PROGRAMMABLE ITEMS LIST Programmable Values 1 1 Running Mode I
5. When the protection happens the Green LED will flash in such a way iK k 2k 1 11 Motor Rotation You can use this item to change the rotation direction Face to the motor shaft That means the rear cover of the motor is far from your face and move the throttle trigger to the top point of the forward zone If this item is set to CCW the shaft runs counter clockwise If this item is set to CW the shaft runs clockwise 1 12 LiPo Cells We strongly suggest setting the LiPo Cells item manually because sometimes the default setting Auto Calculate will cause mistake For example if you are using a discharged 4S LiPo battery the ESC may mistakenly consider it as a fully charged 3S LiPo battery and then the Low voltage cut off protection function will be incorrect Reset All Items To Default Values At any time when the throttle is located in neutral zone except in the throttle calibration or parameters program process hold the SET key for over 3 seconds the red LED and green LED will flash at the same time which means each programmable item has be reset to its default value PROGRAM THE ESC Program the ESC with the SET button on the ESC See Chart A on page 3 Program the ESC with the LED program card Optional equipment Please refer to the user manual of LED program card NOTE The RX wire of the ESC for connecting receiver CANNOT be used to connect with the LE
6. motor doesn t work The motor runs in the opposite direction when it is accelerated The motor suddenly stops running while in working state When accelerating quickly the motor stops or trembles When the throttle stick is in the neutral range the red LED and the green LED flash synchronously Cannot connected with the LED Program Card 0 00 3 75 18 75 22 50 26 25 Enable Disable Counter Clockwise Clockwise Auto Calculate 2 Cells 3 Cells POSSIBLE REASON Input voltage is abnormal too high The connections between battery pack and ESC are not correct or too low Throttle signal is abnormal 1 The wire connections between ESC and the motor are not correct 2 The chassis is different from the popular design The throttle signal is lost The ESC has entered the Low Voltage Protection Mode or Over heat Protection Mode 1 The battery has a bad discharge performance 2 Gear ratio is too aggressive 3 The Start Mode Punch of the ESC is too aggressive Over current protection motor demagnetization or motor is over load Mistakenly uses the Rx wire to connect to the program card SOLUTION Check the power connections Replace the connectors Check the voltage of the battery pack Plug the control wire into the throttle channel of the receiver correctly Swap any two
7. wire connections between the ESC and the motor Or change the programmable item 11 Motor Rotation to CW Clockwise Check the transmitter and the receiver Check the signal wire from the throttle channel of your receiver Red LED flashing means Low Voltage Green LED flashing means Over heat 1 Use a better battery 2 Use lower KV motor or softer gear ratio 3 Set the Start Mode Punch to a softer value 1 Reduce the load Use softer gear ratio or reduce the input voltage 2 Change the motor Connect the program card to the special programming port of the ESC don t use the Rx wire CHART A Turn off the ESC Turn on the Transmitter Hold the SET key Switch on the ESC Red LED flashes Green LED flashes RELEASE for 1 time SET KEY HOLD SET KEY FOR 3 SECONDS Green LED flashes RELEASE for 2 times SET KEY HOLD SET KEY FOR 3 SECONDS Green LED flashes RELEASE for 3 times SET KEY HOLD SET KEY FOR 3 SECONDS Press the SET key to choose the programmable value the RED LED flashes for several times The times presents the serial number of the value you are choosing Enter the corresponding programmable item the RED LED flashes for several times The times presents the current value of this item Red LED flashes for 1 time to choose Forward with brake Red LED flashes for 2 times to choose Forward Reverse with brake Enter the
8. 1st item Running Mode PRESS SET KEY Red LED flashes 1 time choose 0 Red LED flashes 2 times choose 5 Red LED flashes 3 times choose 10 Red LED flashes 4 times choose 20 Red LED flashes 5 times choose 40 Red LED flashes 6 times choose 60 Red LED flashes 7 times choose 80 Red LED flashes 8 times choose 100 Enter the 2nd item PRESS Drag Brake Force SET KEY Red LED flashes 1 time choose None Red LED flashes 2 times choose 2 6V Red LED flashes 3 times choose 2 8V Red LED flashes 4 times choose 3 0V Red LED flashes 5 times choose 3 2V Enter Ihe 3rd item Low Voltage Cut Off PRESS SET KEY Red LED flashes 6 times choose 3 4V The following steps are just like the above steps HOLD SET KEY FOR 3 SECONDS Green LED flashes RELEASE for N times SET KEY Press SET key to choose the value the flash times of Red LED means the serial PRESS SET KEY Enter the Nth item number of the value 1 time means the 1st value 2 times means the 2nd value Finish programming switch off the ESC and then switch it on Inthe program process the motor will emit Beep tone at the same time when the LED is flashing NOTE If the N is bigger than the number 5 we use a long time flash and long Beep tone to represent 5 so it is easy to identify t
9. D Program Card When programming the ESC please only use the special port between the terminals ABC to connect with program card Connect program card here 30 DAY REPLACEMENT POLICY Go to www rcgearshop com warranty Page 1 CHART B ATTENTION The italics texts in this form are the default settings 1 Running Mode Basic 2 Drag Brake Force Items 3 Low Voltage Cut Off Threshold PROGRAMMABLE VALUE 3 Forward melita Jey Forward with Brake with Brake amp Rev 4 5 6 0 5 10 20 60 80 100 2 6V 2 8V Cell Cell Non Protection 3 0V Cell 3 4V Cell 4 Start Mode Punch 5 Maximum Brake Force 6 Maximum Reverse Force 7 Initial Brake Force 8 Neutral Range Advanced Level 1 Soft Level 2 L3 L6 L7 L8 Disable L9 Very Aggressive 25 Drag Brake Force 6 9 Narrow Normal Items 9 Timing Only for sensorless motor 10 Over heat Protection 11 Motor Rotation 12 LiPo Cells TROUBLE SHOOTING TROUBLE After power is on motor doesn t work and the cooling fan doesn t work After power is on motor won t work but emits peep beep beep beep alert tone Every beep beep has a time interval of 1 second After power is on red LED always lights the
10. everse Force Sets how much power will be applied in the reverse direction Different value makes different reverse speed 1 7 Initial Brake Force It is also called minimum brake force and it refers to the force when the throttle trigger is located at the initial position of the backward zone The default value is equal to the drag brake force so the brake effect can be very smooth 1 8 Throttle Neutral Range Please refer to the picture on the right side to adjust the neutral range as your like Top point of max throttle Z FORWARD ZONE NEUTRAL ZONE A BRAKE amp BACKWARD ZONE eS Top point of max brake Top point of 4 max brake gt BRAKE amp BACKWARD Top point vig ZONE of max M M throttle Neutral FORWARD Pot ZONE NEUTRAL ZONE 1 9 Timing There are many differences among structures and parameters of different brushless motors so a fixed timing ESC is difficult to make compatible with all brushless motors It is necessary to make the timing value programmable Please select the most suitable timing value according to the motor you are just using Generally higher timing value brings out higher power output but the whole efficiency of the system will be slightly lower down 1 10 Over Heat Protection If the function is activated the output power will be cut off when the temperature of the ESC is higher than a factory preset value for 5 seconds
11. he items of the big number For example if the LED flashes as the following A long time flash a short time flash Motor sounds Beep Beep the No 6 item A long time flash 2 short time flash Motor sounds Beep BeepBeep the No 7 item A long time flash 3 short time flash Motor sounds Beep BeepBeepBeep the No 8 item and so on RGZM2400 v2 Page 2
12. n Forward with Brake mode the car can go forward and brake but cannot go backward this mode is suitable for competition Forward Reverse with Brake mode provides backward function which is suitable for daily training NOTE Forward Reverse with Brake mode uses Double click method to make the car go backward When you move the throttle trigger from forward zone to backward zone for the first time The 1st click the ESC begins to brake the motor the motor speeds down but it is still running not completely stopped so the backward action is NOT happened immediately When the throttle trigger is moved to the backward zone again The 2nd click if the motor speed is slowed down to zero i e stopped the backward action will happen The Double Click method can prevent mistakenly reversing action when the brake function is frequently used in steering By the way in the process of braking or reversing if the throttle trigger is moved to forward zone the motor will run forward at once Forward Reverse mode uses Single click method to make the car go backward When you move the throttle trigger from forward zone to backward zone the car will go backward immediately This mode is usually used for the Rock Crawler 1 2 Drag Brake Force Set the amount of drag brake applied at neutral throttle to simulate the slight braking effect of a neutral brushed motor while coasting 1 3
13. r runs in the opposite direction please swap any two wire connections Throttle Range Setting Throttle Range Calibration In order to make the ESC match the throttle range you must calibrate it when you begin to use anew ESC or a new transmitter or change the settings of neutral position of the throttle trigger ATV or EPA parameters etc Otherwise the ESC cannot work properly The following pictures show how to set the throttle range with a Futaba transmitter lo O Ve We lt TERT A Hold the SET button Turn on the swith Release the SET button as soon as the red LED starts to blink Neutral point Top point of full throttle Top point of full brake 3rd Click QR WSs Groan LED flashes once Groon LED flashes twice Green LED flashes thrice A Switch off the ESC turn on the transmitter set the direction of throttle channel to REV set the EPA ATV value of throttle channel to 100 and disable the ABS function of your transmitter B Hold the SET key and then switch on the ESC and release the SET key as soon as possible when the red LED begins to flash NOTE If you don t release the SET key as soon as the red LED begins to flash the ESC will enter the program mode In such a case please switch off the ESC and re calibrate the throttle range again from step A to step D C Set the 3 points according to the steps shown in the pictures on the right side 1
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