O.S. Engines OCA-230
Contents
1. Saan BRUSHLESS MOTOR ESC FOR HELICOPTERS AIRPLANES Wa 904 250 A 240 Os QUALI P MOTOR CONTROLLER OS MOTOR CONTROLLER QILA 240 a nnu Supplied with OCP 2 Programming card Corresponding motors For airplanes Check the specifications of the motor and relationship with the propeller Dia and pitch and select propellers with which more than below mentioned current may not flow X O S brushless motors OMA 2810 1250 OMA 2815 1100 QOCA 230 or OMA 2820 950 OMA 3805 1200 OMA 3810 1050 OMA 3815 1000 OCA 240 are recommended Even with these motors carefully select propellers with which more than 30A OCA 230 40A OCA 240 current may not flow For helicopters Select motors with which more than 20A OCA 230 35A OCA 240 current may not flow The OCA 230 OCA 240 are ESC installed with the latest FET for brushless motors By using supplied Programming card OCP 2 settings of ESC can be programmed quickly and securely to meet model s specific requirements Before operating OCA 230 OCA 240 x Misuse or abuse of LiPo batteries is very dangerous Be sure to follow the instruction manual supplied with the batteries x Be sure to install the connectors which match the batteries securely soldering to the battery connecting wires of the ESC Never use the ESC with the connectors temporarily connected X Batteries can be used For OCA 230 LiPo 2 4 cells 7 4 16 8V NiCd NiMH 6 12 cells 7 2 14 42. both the ESC and motor receive plenty of air flow for cooling via cooling hole Insufficient cooling by air may damage the ESC and motor Notes on Operation X When using the BEC it is suggested to set the BEC current less than 3A with the OCA 230 and less than 4A with the OCA 240 x It is suggested to use maximum current of the motor less than one minute X Since the overheat protection function is integrated with the ESC motor stops running when the FET temperature rises to the limit X When the signal from the transmitter is not received for approx 3 seconds motor stops When the signal from the receiver is input motor starts running with the throttle at stop position or brake position X Do not connect to the batteries with wrong polarity or the ESC will be destroyed immediately X If the ESC is connected to the batteries with the throttle high short beeps start sounding after approx 5 seconds In this case pull down the throttle to the stop position or brake position or disconnect the batteries from the ESC EEEINORMAL SETTING Switch the transmitter on and make sure ATV AFR shows 100 in case of computer radio In case of a Futaba transmitter set the throttle channel Reverse When connecting to the batteries be sure to pull down the throttle or place the throttle at brake position You may hear start sound and the motor starts running SEEMING OF THROTTLE POSITIONS Do not install a p
3. of the input output wires may not touch conductive part and receiver antenna away from the place where high current flows such as ESC motor wires battery wires power batteries Be sure to install the receiver X Malfunction of the receiver due to noise will cause to lose model control which is very dangerous E Notes on operation A WARNINGS Never touch or allow any part of the body to come into contact with any rotating part while operating X Sudden rotating may cause serious injury X Be careful with some receivers the motor may rotate for a moment when the power puts on S Do not fly when rainy X Entry of water drops into the ESC may cause malfunction and out of model control which is very dangerous Also it will cause failure If malfunction is detected due to entry of water drops send the ESC to the manufacturer or its distributor in each country for inspection and repair Be sure to follow the procedures mentioned below as to ON and OFF of the power switch e ON Hold the throttle stick at stop position Switch on the transmitter then receiver power HOWMO CONNECT THE OCA 230 0CA 240 Be sure to insert connectors all the way securely X Disconnection due to vibration may cause to lose model control which is very dangerous D Be sure to install the ESC so that oil grease and water may not come in contact with the ESC gt Be sure to install the ESC at the place where there is plenty
4. V For OCA 240 LiPo 2 6 cells 7 4 22 2V NiCd NiMH 6 18 cells 7 2 21 6V X OCA 230 OCA 240 are equipped with BEC output as power output for receiver Do not connect the battery for receiver when connecting the OCA 230 OCA 240 or both the ESC and batteries may break PREPARATION Solder the corresponding battery connector to the battery connection wires of the ESC Also use a heat shrink tube to isolate the connection Solder the corresponding connectors female to the motor connection wires of the ESC Also use a heat shrink tube to isolate the connection Connect as shown below M Red Connect to the battery making sure polarity is correct L Black 6 18 Celis Nicd NIMH I 2 6 Celis Lipo INSTRUCTION MANUAL OS MOTOR CONTROLLER LA 240 p Oo o o OCA 240 m OS IMPORTANT It is of vital importance before attempting to operate your OCA 230 0CA 240 to read through this instruction manual E Notes on installation A WARNINGS Never use the OCA 230 0CA 240 beyond the working conditions listed in the specifications listing Do not mistake the polarity of the batteries X Reverse connection may cause fire and ESC will be damaged or be burnt instantly S Never short out any place of the ESC batteries motor receiver and connectors X Short circuit may cause fire and ESC will be damaged or be burnt instantly X Be sure to install the ESC so that the soldering connection
5. arm program as owner you alone are responsible for safety operation of your motor ESC and batteries so act with discretion and care at all times SEMMINGSUSING PROGRAMMING CARDIOCR 2 By using a supplied ESC Programming Card OCP 2 parameters of the ESC can be set quickly and securely to meet model s specific requirements The OCP 2 cannot be used with other ESCs than the OCA 230 OCA 240 The programmer OCP 1 cannot be used with the OCA 230 OCA 240 A D A AS gge nh gud 2FIIOAUNOT BIDLOW PECE EAE M A E o BD ED iie U U mn aR f OoOok27 0 2 WV3JO AOD AAIVI OBDNINWVADOdd Connection of the programming card Connect the OCP 2 power battery and motor to OCA 230 OCA 240 as explained before Setting items Items can be set with the OCP 2 are listed below 1 Battery Type Acceleration PWM Frequency Brake Type Rotation Governor Mode Advance Timing Explanation of the terminals Input power terminal Use when connecting to OPTO ESC Input voltage 5 8V Selection example The place where the pin is covered by jumper pin shows battery LIPO mode This concept applies to all other terminals LOW 3 1V ie nh VOLTAGE a POWER CUT OFF STOP MOTOR TYPE e Z NORMAL amp _ E m fa HIGH 2 N E n ekk PWM Frequency EL 8KHz 16KHz 1 Selection of battery
6. harge damage to the eae X No signal cut off Switches the ESC OFF when signal from the transmitter is not received OCA 240 SPECIFICATIONS X Overheat protection When the temperature rises extraordinary due to overload restrict output to protect the ESC X Battery cell number auto recognition Function to recognize automatically cell number of the battery to connect X BEC output Power to receiver is supplied from the ESC SBEC is adopted Pay careful attention to the advices with the following headings A DANGER A WARNINGS A NOTES This covers the possibility which These cover the possibilities These cover the many other might involve death and serous which might involve death and possibilities generally less obvious injury serious injury and also may cause source of danger but which under damage or injury certain circumstances may also cause danger or injury Graphic symbols Q Prohibited items Items never fail to take action GS ENGINES mreco Lro 6 15 3 Chome Imagawa Higashisumiyoshi ku URL http www os engines co jp Osaka 546 0003 Japan TEL 06 6702 0225 FAX 06 6704 2722 Copyright 2013 by O S Engines Mfg Co Ltd All rights reserved 051300 4
7. o AUTO Automatic advance 0 25 Full automatic General use Soft 0 7 Soft 0 7 Semi automatic 0 7 General use Acro models ADVANCE TIMING Medium 8 15 Medium 8 15 Semi automatic 8 15 Helicopters Hard 16 25 Hard 16 25 Semi automatic 16 25 When stressing power How to set 1 Prepare ESC motor programming card and batteries 2 Connect the jumper pin to the terminal of item you would like to set 3 Connect motor and programming card to the ESC 4 Connect the ESC to the batteries Setting is completed after a beep 5 If the jumper pin is not connected properly four short alarm beeps sound and setting is stopped Make sure the jumper pin is connected properly to each item If the number of the jumper pin is short setting cannot be done 6 In case of OPTO ESC connect 5 8V batteries to the power input connector on the programming card and carry out 4 Procedure 7 When the setting is done correctly a beep sounds If the setting is not done correctly four beeps sound OCA 230 SPECIFICATIONS Forward Stop Brake Reverse x Cool Power FET Latest generation power FET 6 16 8V x m i koadenn Peak 30A 35A 5 seconds X eal say OPC 2 By connecting to the ESC detailed setting BEC output 5 5V 3A Peak 4A i cL x Start protection Stops involuntary starting of the motor X Low voltage cut off Stops the motor before the voltage reaches the level where control is lost and potential over disc
8. of air flow for cooling Oe not wrap the ESC with aluminum foil etc X Wrapping may spoil cooling effect and the ESC may not develop its original performance sure to install the motor securely and fix all the wires A NOTE QO not disassemble Do not open the ESC case X Opening of the case may cause damage inside components and render it irreparable e OFF Hold the throttle stick at stop position Switch off the receiver then transmitter power X With reverse procedure propeller may rotate suddenly which is very dangerous Be sure to remove the batteries when not in use X Accidental switching on may cause sudden rotating of propeller or cause fire which is very dangerous D Be sure to check the ESC and all the movements of model controls before attempting flight X Incorrect settings or using of unsuitable model may cause to lose model control which is very dangerous A NOTE S Do not touch the motor nor ESC right after flight X Touching them may cause burn Connect to the brushless motor pO o Connect to the throttle channel of the receiver X Since the OCA 230 0CA 240 is integrated with BEC never connect separate battery to the receiver Connect to the OCP 2 when the settings are made with the OCP 2 INSTALLATION OF THEJESE Install the ESC in the model using Velcro tape or double faced tape so that it may not affected by vibration or shock Make sure
9. ropeller on the motor yet Switch the transmitter ON In case of a Futaba transmitter set the throttle channel Reverse Pull down the throttle fully and connect the ESC to the batteries Start sound mentioned below will sound If not adjust the ATV AFR value Lowest throttle position is set with battery cell number beeps plus a beep in case of brake ON or two beeps in case of brake OFF Full throttle position is fixed Power reduction can be adjusted by the value of ATV AFR Disconnect batteries from the ESC DEFAULT Battery Type Li Po Cut off cell Voltage 3 2V Cut off Type Reduce power Start Power Soft Acceleration Normal PWM Frequency 16KHz Brake Type Off Rotation Normal Governor Mode Off Advance Timing Auto A WARNINGS Be sure to connect the ESC to batteries just before the flight and disconnect it right after landing When the ESC is connected to batteries handle the model with utmost attention Rotating propeller is very dangerous Always make sure you are safe and away from the rotating propeller Model equipped with a strong motor is very dangerous A strong motor system is very dangerous Large current may heat leads and batteries Be sure to connect leads with utmost care Poor connection may cause fire and burn X Fly the model only at permitted airfield Never fly it over nor near the onlookers While this ESC is equipped with a safety al
10. the ESC and current consumption increase 6 Setting of PWM frequency Set the switching frequency of the current to the motor ACCELERATION 8KHz lie _8KHz PWM Frequency When the motor tends to lose steps 16KHz 8KHz 16KHz 16KHz Select this normally 7 Setting of brake type Set the strength of brake When slowing down with brake the motor regenerates OFF OFF Set OFF normally Brake strength is weak for general BRAKE 20 20 Purpose TYPE 50 50 Brake strength is normal for glider 80 80 Brake strength is strong for glider 8 Selection of motor rotating direction Select motor rotating direction NORMAL NORMAL Normal rotating direction REVERSE Reverse rotating direction ROTATION 9 Governor function ON OFF only HELI Select governor function ON or OFF GOVERNOR tpmCONTROL OFF OFF Select OFF normally X Governor function works to keep the RPM corresponding to throttle position throttle curve against load changes due to pitch operation or voltage changes of the power MODE rpmCONTROL ON ON batteries Note that higher current of the power batteries is consumed 10 Setting of advance timing Select the advanced angle of the current to the motor or the way to advance the angle Fixed 8 Fixed 8 Advanced angle fixed at 8 General use For Acro models Fixed 16 Fixed 16 Advanced angle fixed at 16 When stressing power Aut
11. type Select power battery type to use ee NIMH Nickel metal hydride battery NIMH BATTERY Cut of voltage is fixed at 50 of the initial LIPO TYPE voltage LIPO Lithium polymer battery 2 Setting of cut off voltage Set the cut off voltage of Li Po battery CUTOFF LOW 3 1V CELL VOLTAGE NORMAL 3 2V LOW 3 1V NORMAL 3 2V 3 Selection of cut off type Select the motor behavior when the battery voltage drops REDUCE POWER REDUCE POWER CUT OFF Reduce the motor power to the half STOP MOTOR TYPE STOP MOTOR Stop the motor output 4 Setting of start power Set the power torque level of the motor starting up HARD SOFT START HARD For general airplanes POWER sort For starting by SW with gliders and models using gears such as helicopters a TYPE BRAKE TYPE cm E E START GOVERNOR M POWER MODE p EXT POWER FOR OPTO Selection example Brake OFF is selected 50 i 0 n p pmCONTROL OFF rpmCONTROL 0 Fixed 8 Fixes 16 date Soft 0 7 Medium 8 15 S Selection example Advance timing Auto is selected ADVANCE TIMING 5 Setting of acceleration Set the motor response speed to the throttle work LOW LOW When a larger propeller is used NORMAL Normal use HIGH When quicker throttle response is NORMAL HIGH required Heat of
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