Traxxas 3019R EVX-2 ESC with LVD User Manual

888-traxxas, Brand a nimh, Electronic speed control instructions

Advertising
background image

Thank you for purchasing the Traxxas EVX-2
electronic speed control. The EVX-2 delivers
smooth, precise, full-proportional control over your
speed in forward and reverse. EZ-Set® push-button
setup, multi-color LED, and three easy-to-program
drive profiles provide convenient, customized
operation. Low Voltage Detection enables the
EVX-2 to be used with LiPo batteries. The EVX-2

comes with the peace-of-mind of the Traxxas Lifetime Electronics
Warranty and unmatched Traxxas customer support. The EVX-2 is
not a toy. It is a sophisticated electronic device capable of delivering
large amounts of current. Children under 8 years of age require adult
supervision for use of the EVX-2. If you have questions or need assistance
call us at 1-888-TRAXXAS.

Important Precautions
Your EVX-2 is an extremely powerful electronic device capable of
delivering high current. Please closely follow these precautions to prevent
damage to the speed control or other components.
EVX-2 General Precautions

Disconnect the Batteries: Always disconnect the

battery packs from the speed control when not in use.

Transmitter on First: Switch on your transmitter

first before switching on the speed control to
prevent runaways and erratic performance.

Don’t Get Burned: The transistor tabs and the

heat sinks can get extremely hot, so be careful not
to touch them until they cool. Supply adequate
airflow for cooling.

Always Use Heat Sinks: Three heat sinks are

factory-installed on the speed control and must be
used for maximum cooling and performance.

6 to 14-cells; 2S to 4S LiPo Only: Always adhere

to the minimum and maximum limitations of the
EVX-2 as stated in the specifications table. Do not
mix battery types (NiMH or NiCad), brands or
capacities. Use the same voltage and capacity
for both batteries. Using mismatched battery
packs could damage the batteries and electronic
speed control.

Connectors: If you decide to change the battery or motor connectors,

only change one battery or motor connector at a time. This will prevent
accidentally mis-wiring the speed control. If the EVX-2 is not wired
exactly as shown in the diagram below, it can be damaged! Please note
that modified speed controls can be subject to a rewiring fee when
returned for service.

No Reverse Voltage: The speed control is not protected against reverse

polarity voltage. When changing the battery and/or motor, be sure to
install the same type of connectors to avoid reverse polarity damage
to the speed control. Removing the battery connectors on the speed
control or using the same-gender connectors on the speed control will
void the product’s warranty.

Do Not Let the Transistor Tabs Touch: Never allow the three separate

transistor banks to touch each other or any exposed metal. This will
create a short circuit and damage the speed control. (For example, laying
a metal tool across the heat sinks can damage the speed control.)

EVX-2 Advanced Precautions
Motor Limit: EVX-2 has a 12-turn 550 modified motor limit when the

motor is properly geared. If the motor or speed control is overheating,
try a smaller pinion gear. Do not attempt to use a more powerful motor
(fewer turns) than the above mentioned motor limits or you could
experience frequent thermal shutdown.

Insulate the Wires: Always insulate exposed wiring with heat shrink

tubing to prevent short circuits.

Use Neutrally Timed Motors: For reverse use, the motors must have

0° timing. Modified motors (with adjustable end bells) timed to 0° or
Johnson/ Mabuchi (closed end bell) motors are recommended. Using
motors with other than 0° timing will draw excess current in reverse, and
can result in the speed control overheating and premature motor wear.

Motor Capacitors Required: Ceramic capacitors should be properly

installed on every motor to prevent radio interference. These are already
installed on the factory Titan motor.

No Schottky Diodes: External schottky diodes are not compatible with

reversing speed controls. Using a schottky diode with the EVX-2 will
damage the ESC and void the 30-day warranty.

• Note: This speed control is not intended for marine use.
Installation
Here are some tips for choosing a location for the speed control:

• The EVX-2 does not use a conventional on/off switch. Pressing the EZ-Set

button on the speed control turns it on and off. It is not necessary to
install an on/off switch into the wiring harness.

• Make sure there is adequate ventilation for the heat sink. If you are

planning to operate the speed control at the higher limits of its
capabilities, cut ventilation holes into the body for the heat sinks. Proper
ventilation and cooling will prevent premature thermal shutdown.

• Mount the speed control where it will be protected from crash damage.

Protect the heat sinks from coming in contact with metal that could
short the banks of transistors. Also protect the speed control from dirt
and debris kicked up by the tires.

• Mount the speed control where you will have easy access to the plugs

and the on/off (EZ-Set) button without having to remove the body.

Electronic Speed Control Instructions

Covers Part #3019R

Specifications:
Input Voltage ............................................................................ 6 to 14-cells; 2S to 4S LiPo
Case Size ........................................................................................2.27”W x 2.00”D x 1.05”H
Weight (heat sinks/no heat sinks) ...............................................................4.1oz / 3.6 oz
Motor Limit (550 Size)

*

.................................................................................................12-turns

On-Resistance–Forward (@Trans)..................................................................0.004 Ohms
On-Resistance–Reverse (@Trans) ...................................................................0.004 Ohms

Rated Current - Forward ........................................................................................ 180 amps
Rated Current - Reverse ......................................................................................... 180 amps
Braking Current.......................................................................................................... 360 amps
Continuous Current (@100°F amb.) .................................................................... 30 Amps
BEC Voltage .............................................................................................................6.0 volts DC
BEC Current ...................................................................................................................2.5 amps

Power Wire .......................................................................................................... 14 Gauge / 3”
Input Harness Wire ........................................................................................26 Gauge / 9.5”
Transistor Type .............................................................................................................. MOSFET
PWM Frequency ......................................................................................................1700 Hertz
Protection ..................................................................................................Thermal Shutdown

Single Button Setup ...............................................................................................................Yes

* Must be properly geared.

Profile Selection:

Profile #1 (Sport Mode): 100% Forward, 100% Brakes, 100% Reverse
Profile #2 (Race Mode): 100% Forward, 100% Brakes, No Reverse
Profile #3 (Training Mode): 50% Forward, 100% Brakes, 50% Reverse

TRAXXAS.com

Traxxas, 1100 Klein Road, Plano, TX 75074, Phone: 972-265-8000, Fax: 972-265-8011, e-mail: [email protected]

120322 KC1529-R00

Troubleshooting Guide
This guide describes possible speed control problems, causes, and
simple solutions. Check these items before contacting Traxxas.
Steering channel works, but the motor(s) will not run:
• The motor(s) could be bad or have a damaged brush. Check the

motor(s) and motor connections by supplying power directly to
the motor(s). Note: Disconnect the motor(s) from the ESC before
testing. Remove the pinion gear from the motor(s) or elevate the
driving wheels to avoid a runaway and damage to the vehicle.

• The speed control has thermally shut down (look for a solid

green LED). Allow the speed control to cool down. See the
overheating section.

• Make sure the EVX-2’s power cable is plugged into the throttle

channel of the receiver (Channel 2). Check the operation of the
radio system’s throttle channel with a servo.

• Possible internal damage. Return the EVX-2 to Traxxas for service.
Motor and steering servo do not work:
• Check the wires, radio system, crystals, battery and motor

connectors, and the battery packs.

• Possible internal damage. Return the EVX-2 to Traxxas for service.
EVX-2 will not go into programming mode:
• Make sure the EVX-2 is plugged into Channel 2 (the throttle

channel) on the receiver. If it is plugged into Channel 3 or the
battery terminal, it will not go into programming mode.

• Be sure the EVX-2 is turned off before trying to program or select a profile.
• Unplug battery, reconnect, and repeat programming instructions.
Motor(s) run backwards:
• Motor(s) wired backwards: check the wiring and correct.
• Backwards motor timing: reverse the motor end bells.

Receiver glitches/throttle stutters during acceleration:
• Motor capacitors broken or missing: check and replace

the capacitors.

• The receiver or antenna is too close to power wires or batteries.
• Bad connections: check the wiring and connectors.
• Motor worn: replace the motor.
• Excessive current to the motor: use a milder motor or a smaller

pinion gear.

Model runs slowly / slow acceleration:
• Check the motor and battery connectors.
• Check to see if EVX-2 is in Profile #3 (50% throttle)
• Bad battery or motor: check the operation with known

good batteries (freshly charged) and motor.

• Incorrect transmitter or speed control adjustment. Reprogram

the EVX-2.

• Motor is improperly geared: use a milder motor or a smaller

pinion gear.

• Check the drive train for binding or restrictions.
EVX-2 overheats and shuts down:
• Overloading the motor (running through tall grass, binding

in the drivetrain).

• Insufficient ventilation for the heat sinks. Cut ventilation holes

in the body or relocate the EVX-2.

• Motor may exceed maximum specification. The EVX-2 is limited to

motors with no fewer than 19-turns (550 size) with molex connectors
and 12-turns (550 size) with Traxxas High-Current Connectors.

• Motor is improperly geared. Use a milder motor or a smaller

pinion gear.

• Check the drivetrain for restrictions.

EVX-2 Warranty Information
Traxxas warrants your Traxxas electronic component to be
free from defects in materials or workmanship for a period of
thirty (30) days from the date of purchase. Before returning
any product for warranty service, please contact our service
department (1-888-TRAXXAS)* to discuss the problem you are
having with the product. After contacting Traxxas, send the
defective unit along with your proof of purchase indicating the
date purchased, your return address, e-mail, a daytime phone
number, and a brief description of the problem to:

Traxxas
1100 Klein Road
Plano, TX 75074

If the component is found to be defective, it will be repaired or
replaced at no charge. The warranty does not cover damage
caused by the following:
• Using other than 6 to 14-cells (7.2 to 16.8 volts DC)

or 2S to 4S LiPo input voltage.

• Removing the stock battery connectors.
• Using the same gender connectors on the speed control’s motor

and battery connections.

• Cross-connection of the battery/motor(s).
• Reverse voltage application.
• Using motor(s) with fewer than 12-turns (550 size).
• Incorrect installation or wiring.
• Components worn by use.
• Short-circuiting the heat sinks.
• Use without the heat sinks.

• Removing the capacitors from the stock motor.
• Not installing capacitors on new motors (recommended:

three 0.1µF [50V]).

• Splices to the input wire harness.
• Disassembling the case.
• Tampering with moisture seals.
• Excessive force when using the EZ-Set button.
• Tampering with the internal electronics.
• Incorrect wiring of an FET servo.
• Allowing exposed wiring to short-circuit.
• Any damage caused by crash, flooding, or act of God.

In no case shall our liability exceed the product’s original cost.
We reserve the right to modify warranty provisions without
notice. All warranty claims will be handled by Traxxas. Because
Traxxas has no control over the use and future installations of
the EVX-2, no liability may be assumed nor will be accepted
for damage resulting from the use of this product. Every ESC
is thoroughly tested and cycled before leaving the Traxxas
facility and is, therefore, considered operational. By the act
of operating/connecting speed control, the user accepts all
resulting liability. Traxxas makes no other warranties expressed
or implied. This warranty gives you specific legal rights which
vary from state to state. After the expiration of the standard
30-day warranty, use the Traxxas Lifetime Electronics Warranty
to cover service and repairs. Documents and forms are provided
with your EVX-2.

If you have questions or need technical assistance, call Traxxas at

1-888-TRAXXAS

(1-888-872-9927) (U.S. residents only)

*U.S. Customers Only

TRAXXAS.com

Traxxas, 1100 Klein Road, Plano, TX 75074, Phone: 972-265-8000, Fax: 972-265-8011, e-mail: [email protected]

*U.S. Customers Only

EVX-2 Wiring Diagram

1500

3600

3800

Brand A NiMH

3800

Brand A NiMH

1500

3600

3800

Brand A NiMH

3800

Brand A NiMH

Do not mix battery

capacities. Use two

batteries with the

same capacity.

Use batteries that are

exactly the same cell

type, brand, voltage

and capacity.

3019R KC1529-R00 EVX-2 INST.indd 1

3/23/12 1:51 PM

Advertising