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ACUVANCE Rapida Series Instruction Manual

Digital speed controller
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Digital Speed Controller Instruction Manual

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Summary of Contents for ACUVANCE Rapida Series

  • Page 1 Digital Speed Controller Instruction Manual...
  • Page 2 Digital Speed Controller Instruction Manual Precautions Ni-Cd batteries To avoid the risk of fumes, fire and burns WARNING Improper use of the Ni-Cd battery is very dangerous. The battery must be handled carefully. Incorrect wiring or short-circuiting of wiring may cause fire or fumes.
  • Page 3 Caution Make sure to carefully read and understand the important warning messages in this Instruction Manual before commencing to use the product. WARNING Information for preventing serious injury Information for preventing accidents or CAUTION product damage NOTE Useful information on handling the product Radiating fins To avoid the risk of fumes, fire and burns WARNING...
  • Page 4 Features • The RAPIDA series feature the latest MOS-FET (SOP) components, which allow powerful braking as well as a forward function. • Advanced control circuitry using a 4-layer board that allows high-density mounting of electronic components. • Utilizes an MPRS*1 system, which has proved very successful in the A-01 Series in large-current circuits, for compactness and high-performance.

  • Page 5: Specifications

    *1 AGCS: Advanced Gate Control System AGCS is a groundbreaking system that dramatically reduces losses during pulse drive by dynamically controlling FET gates (ON-OFF) according to motor speed (RPM). (PATENT PENDING) *2 MPRS: Metal Plate Radiation (of Heat) Structure MPRS is a hybrid structure in which current is conducted not through a copper foil on the printed board but through a metal plate, for optimum configuration of FETs.

  • Page 6: Part Names

    Part names and wiring Part names • RAPIDA Brake rate Power limit Drive frequency Aluminum top seal Rx connector Power switch Function switch left Function switch middle (effectively presses both left and Function switch right right buttons at the same time) •...

  • Page 7: Using Connectors

    Wiring WARNING To avoid the risk of fumes, fire and burns Take care not to make mistakes with battery polarity. Also, make sure to connect the included noise-suppression capacitor to the motor. If not, you may damage the ESC. • Using connectors Battery Connect to NiCd and NiMH batteries Connect included...
  • Page 8 ESC, receiver or servo. Take particular care of the servo and receiver since these cannot be repaired by ACUVANCE. Insert the Rx connector pin according to the directions of the maker of the receiver you are going to use.

  • Page 10: Setting Up Functions

    Setting up Functions Transmitter settings Before performing settings for each function, WARNING make sure to disconnect the motor or to keep the vehicle suspended in the air. Press the left and right function switches together for four seconds. Red and green LED blink. Set transmitter to the neutral position and press the right function switch.
  • Page 11 When you adjust the throttle to the brake side, the LED goes off once, then the red LED turns on at the brake high point position. Brake frequency settings Press the left function switch for four seconds. The display passes through four stages from the turning off of the green LED to the turning on of the green LED, according to the current...
  • Page 12 Setting up Functions Neutral brake settings Before performing settings for each function, WARNING make sure to disconnect the motor or to keep the vehicle suspended in the air. Turn off the ESC power switch once. Turn on the power switch while pressing the right button.
  • Page 13 Frequency adjustment function Trimmer can only rotate 240 degrees. NOTE Do not try to force it more than this. • You can adjust the frequency from 1 kHz to 15kHz, according to the "feel" you desire. • For full-torque driving, set the frequency to a rather low value.
  • Page 14 Setting up Functions Dash power mode If the ESC is subject to electrical noise, there is a danger that the noise is interpreted as the first throttle action, NOTE thereby deactivating dash power mode by mistake. This function can be used to override the power limit for the first throttle action at the time of starting up.
  • Page 15 Energy Saving Mode (Abbrev. EnSA) Turn off the amplifier power switch once. Press and hold the left button while turning on the power switch. If the unit returns to normal operation with the red or green LED flashing, the Energy Saving Mode is on. If the unit returns to normal operation with the red or green LED illuminated, the Energy Saving Mode is off.

  • Page 16: Various Settings

    Various Settings Output on transmitter handle is shown in the graph below. (with neutral braking) Transmitter rate Analog TRIGGER POSITION 100% 100% Fix neutral width Power limit 2, 4, 6, or 8 kHz 1-15 kHz Set brake frequency Set drive frequency Minimum Energy saving brake point...

  • Page 18: Function Indicators

    Function Indicators (settings are explained from page 20) Pressing the left or right function switch Main changes the display on the indicator. Frequency Save (Hereinafter, "switches" shall mean the function switch on the main body.) Power limit Load The items displayed by Voltage Temperature the 7-segment LED are as follows.
  • Page 19 Battery voltage (VOLT) display This indicates the current value of battery voltage (units VOLT). (The value is higher before driving; lower after driving.) This value can be used as a yardstick to assess battery condition. If this value remains low even after recharging, the battery is effectively dead.
  • Page 20 Setting up Functions Setting the transmitter position Before performing settings for each function, make sure to WARNING disconnect the motor or to keep the vehicle suspended in the air. If the position of the transmitter is not set properly, all subsequent settings NOTE may be inaccurate.
  • Page 21 Setting minimum drive power If starting up speed is slow, you can increase the initial value of the drive, up to 70% of maximum speed. The transmitter trigger performs a count-up on the drive side and a count-down on the brake side.Set the values you want using the transmitter.When you determine the set value, press the right button.
  • Page 22 Setting up Functions Energy-Saving Mode (Abbrev. EnSA) EnSA 100％ 70％ 30％ 0％ Energy Saving Maximum Minimum Motor Noise Larger Smaller Schottky Diode − Required Required Required * The energy-saving mode is always at 100% while engine braking is on. The trigger of PROPO counts up at the drive side and counts down at the brake side.

  • Page 23: Setting Frequency

    Setting frequency Before performing settings for each function, make sure to WARNING disconnect the motor or to keep the vehicle suspended in the air. When in frequency display mode (p18, 2), press the left and right buttons together. You can then perform various settings by switching display using the left and right buttons.
  • Page 24 Setting up Functions Setting the power limit and dash power mode Before performing settings for each function, make sure to WARNING disconnect the motor or to keep the vehicle suspended in the air. When in power limit display mode (p18, 3), press the left and right buttons together. You will then be able to perform various settings related to power limit and dash power mode by switching the display using the left and right buttons.
  • Page 25 Setting voltage level for time measurement Before performing settings for each function, make sure to WARNING disconnect the motor or to keep the vehicle suspended in the air. When in voltage level for time measurement, press the left and right buttons together (press the middle button).
  • Page 26 Setting up Functions It is possible to load and call up an original • Set by default at the factory as P5. (default) program, make a change to it, save it, and then reuse it as a custom program. When in load display mode, press the left and right buttons together.LED (6) starts blinking.
  • Page 27 Various Settings Output on transmitter handle is shown in the graph below. (with neutral braking) nutr neutral width nubr neutral brake Variable area b_Po minimum brake point 0-70% d_Po minimum drive point TRIGGER POSITION 100% 100% nutr Neutral width Po_L Neutral brake Power limit frequency...

  • Page 28: Default Values

    Default values (manufacturer's setting values) Neutral width Minimum drive power Minimum brake power Neutral brake Engine brake –– –– –– Drive frequency 1.5kHz 5.0kHz 9.5kHz Brake frequency 4.0kHz 5.0kHz 2.0kHz Neutral brake frequency 2.0kHz 4.0kHz 5.0kHz Power limit 100% 100% 100% Battery voltage for 4.0V...

  • Page 29: Installing A Heat Sink

    Installing a heat sink (radiating fin) To prevent fumes, fire and burns WARNING Electricity flows through the copper plates in the upper part of the ESC. If you install a radiating fin, electricity may flow through it, so do not allow other conductors or metal parts to make contact with the radiating fin.

  • Page 30: Troubleshooting

    Troubleshooting Symptom Cause Improper setting of ESC Cannot set "High point" Improper transmitter setting Power limit value too low Improper setting of ESC Brake fails. Improper transmitter setting Bad contact with battery Improper wiring of receiver Both motor and Receiver failure servo do not work.
  • Page 31 Remedy Reset transmitter throttle setting to normal before setting "High point." Set "High point" position to 90% of full throttle. Correct transmitter throttle setting. Increase power limit value. Reset transmitter brake (reverse) setting to normal before setting "Brake high point." Set "Brake point" position to 90% of full throttle. Correct transmitter brake setting.

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RapidaRapida pro

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