FLYSKY FMS-R3D 3 Channel Receiver User Manual

FMS-R3D 3 Channel Receiver

Product Specifications

The FMS-R3D, compliant with the 2A-BS protocol, is a 2-in-1,
4-Channel receiver that integrates an ESC (Electronic Speed
Controller) and an LED light control. Equipped with a single
external antenna, it outputs PWM signals and LED light control
signals while supporting two-way transmission. It features
automatic binding technology upon power-on and lightweight, compact
design. Additionally, it is compatible with a variety of RC
crawlers.

Product Usage Instructions

Binding

The binding steps are as follows:

  1. Put the transmitter into binding mode.
  2. Turn on the receiver, and it will wait 2 seconds for
    connection. If without connection, the receiver will enter the
    binding mode automatically. At this time, the receiver LED will be
    flashing fast.
  3. After the binding is successful, the receiver LED is solid
    on.
  4. Verify that the transmitter and the receiver are working
    properly. If you need to re-bind, repeat the above steps.

Idle Alarm

This receiver features an idle alarm function.

Entering Idle Alarm State:

When the receiver detects that the channel values of the bound
transmitter have not changed for over 10 minutes, it enters the
idle alarm state. At this time, the motor will continuously beep
slowly as a reminder.

Exiting Idle Alarm State:

The receiver will exit the idle alarm state when it is
restarted.

FAQ

How do I know if the binding process was successful?

If the binding is successful, the receiver LED will be solid on.
If not successful within 10 seconds, the receiver LED will enter a
slow flashing status.

What does it mean when the receiver LED is flashing fast?

A fast flashing receiver LED indicates that the receiver is in
binding mode or waiting for connection status.

FMS-R3D

Introduction
FMS-R3D 2A-BS 4 LED PWM

Receiver Overview

[4] [5] [3] [6] [2] [7] [8] [1] [9] [10] [11] [12] Product Specifications
· FMS-R3D · FS-FMS-MG44-BS · 1/181/24 · 180 · 42 PWM +1 +1
· 71 +1
· 2.4GHz ISM · <20dBm · 2A-BS · · 2S LiPo · BEC 5V/1A · / 10A/40A · > 100 ( ) · PWM · 4096 · -10 ~ +60 · 20% ~ 95 · PPX4 · · 32.0*24.4*12.0mm · 11.0g · CEFCC ID2A2UNR3D00
Binding
·
· 2
10 ·

Receiver

The FMS-R3D, compliant with the 2A-BS protocol, is a 2-in-1, 4-Channel receiver that integrates an ESC (Electronic Speed Controller) and an LED light control. Equipped with a single external antenna, it outputs PWM signals and LED light control signals while supporting two-way transmission. It features automatic binding technology upon power-on and lightweigh, compact design. Additionally, it is compatible with a variety of RC crawlers.

[1] [2] [3] [4] [5] [6] CH3 [7] CH1 [8] [9] LED [10] S / [11] + / / [12] – / / [1] Power Switch [2] Battery Interface [3] Motor Interface [4] Antenna [5] LED Light Expansion Interface [6] CH3 [7] CH1 [8] LED Light Interface [9] LED (Status Indicator) [10] S (Signal Pin of LED Light Expansion Interface/CH Interface) [11] + (Anode of LED Light Expansion Interface/LED Light Interface/CH Interface) [12] – (Cathode of LED Light Expansion Interface/LED Light Interface/CH Interface)

PH2.0 Molex51005 CH1CH3 1.25mm*3Pin 1.25mm*2Pin
Note: The specification of the motor interface is a PH2.0 female connector. The specification of the battery interface is a Molex 51005 female connector. The specification of the CH1, CH3, and LED light expansion interfaces is a standard 1.25mm3-Pin connector. The The specification of the LED light interface is astandard 1.25mm 2-Pin connector.

· Product Model: FMS-R3D · Compatible Transmitters: FS-FMS-MG44-BS · Compatible RC Models: 1/18 Scale, 1/24 Scale RC Models, and RC Crawlers · Applicable Motors: 180 Brushed Motor · Number of Channels: 4 (Including: 2 PWM channels, 1 motor output channel, and
1 LED light expansion interface) · Number of LED Lights: 7 (Including: 1 LED light interface + 1 LED light expansion
interface. The LED ight unit connects to the expansion interface. · RF: 2.4GHz ISM · Maximum Power: <20dBm (e.i.r.p.) EU · RF Protocol: 2A-BS · Antenna: Single External Antenna · Operating Voltage: 2S LiPo · BEC Output: 5V/1A · Continuous/Peak Current: 10A/40A · Distance: > 150m (Ground Distance without Interference) · Data Output: PWM · Resolution: 4096 · Temperature Range: -10 ~ +60 · Humidity Range: 20% ~ 95% · Waterproof: PPX4 · Firmware Update: Not Supported · Dimensions: 32.0*24.4*12.0mm · Weight: 11.0g · Certifications: CE, FCC ID: 2A2UNR3D00
This receiver is compatible with two-way binding, and is to automatically enter the binding mode upon power-on. · The receiver will enter the waiting-for-connection status upon power-on, waiting
for the connection to the bound transmitter. · If the receiver does not connect the bound transmitter within 2 seconds, it will
automatically enter the binding state. This state lasts for 10 seconds. · If the binding with the transmitter is successful, it will enter the normal

FMS-R3D

Receiver

Binding

LED LED LED
1. 2. 2
LED 3. LED 4.
,
10 LED
Protection
·
·

· CH2

·

communication status, otherwise, it will exit the binding state and return to the waiting-forconnection status.
Note: In case of binding, the receiver LED flashes quickly. In case of waiting-for-connection, the receiver LED flashes slowly. In case of normal communication, the receiver LED is solid on.
The binding steps are as below. 1. Put the transmitter into binding mode. 2. Turn on the receiver, and it will wait 2 seconds for connection. If without connection, the
receiver will enter the binding mode automatically. At this time, the receiver LED will be flashing fast. 3. After the binding is successful, the receiver LED is solid on. 4. Verify that the transmitter and the receiver are working properly. If you need to re-bind, repeat the above steps.
Note: Set the transmitter to its binding state first, and then set the receiver to its binding status. If the binding is not finished within 10 seconds, the receiver LED will enter a slow flashing status.
The receiver features low and high voltage protection functions. · Low Voltage Protection: When the voltage is detected to be low, all the channels will not
output and all the LED lights will flash slowly for prompt. · High Voltage Protection: When the voltage is detected to be high, all the channels will not
output. All the LED lights will flash fast for prompt.
The receiver ESC has an overheating protection function. · Overheating Protection: When the internal temperature of the ESC is detected to be too high,
CH2 will not output and all the LED lights will flash fast for prompt. When the temperature is normal, the channel will resume output.
The receiver can return the battery voltage (high, medium, low, ultra-low) back to the transmitter side. · The transmitter can indicate the battery power status of the receiver.

Idle Alarm

10

This receiver features an idle alarm function.
Entering Idle Alarm State
When the receiver detects that the channel values of the bound transmitter have not changed for over 10 minutes, it enters the idle alarm state. At this time, the motor will continuously beep slowly as a reminder.
Exiting Idle Alarm State
The receiver will exit the idle alarm state when it is restarted.

Offline Mode

20

This receiver features an offline mode function.
If no transmitter signal is detected within 20 seconds after power-on, the receiver will enter offline mode.
In this state, all LED lights on the LED light unit will be in a gradual light state.

LED Light Control

7 1 6

FS-FMS-MG44-BS

· 1 CH4 FMS-G3 BIND

· 6 CH4 CH4 CH4

/

CH4

CH4

/
CH4 CH4

/ /

1. 2. CH1CH2 , 3.

FMS-R3D

Receiver

LED Light Control

This receiver supports seven sets of LED lights: One set is directly connected (via the LED light interface). The remaining six sets are connected through the LED light unit and the LED light expansion interface, including: Turn signal left light, turn signal right light, daytime running light, headlight, brake light and back light.
The status of all the LED lights is controlled by the corresponding controls on the transmitter, taking the FS-FMS-MG44-BS transmitter as an example.
· One set directly connected (via the LED Light interface)
The on/off state of this light set is controlled by the CH4 button (or by the BIND button when bound with an FMS-G3 transmitter).
· The remaining six sets (via the LED light expansion interface)
The daytime running light and headlight are controlled by the CH4 button.
The brake and back lights are controlled by the throttle trigger.
The turn signal function is off by default; even if you rotate the steering wheel, it will not trigger the left or right turn signals. Under normal communication conditions, you can rotate the steering wheel clockwise to the maximum position, and then simultaneous long press the CH4 button to activate the turn signal function. Continue to long press the CH4 button to turn off or on the turn signal function. Once the turn signal function is activated, the on-off state of the left and right turn signals is controlled by the steering wheel.
Details are as follows:

LED Lights LED Light State State

Control

Trigger Condition Notes

Turn Signal Left Light

Slow Flashing

Turn Left

Steering Wheel

Turn the steering wheel counterclockwise.

/

Turn Signal Right Light

Slow Flashing

Turn Right

Steering Wheel

Turn the sterring wheel clockwise.

OFF

Daytime Running Light/
Headlight

Solid ON

/

CH4

Short press the CH4 button

A short press of the CH4 button cycles through the LED lights states in the following order: First press: Turns on the daytime running light. Second press: Turns on the headlight (the daytime running light remains on). Third press: Turns off both the daytime running light and headlight simultaneously. Subsequent presses will repeat this sequence.

Brake Light Solid ON

Brake

Trigger

Push the trigger forward.

When the running mode of ESC is set to Forward/Reverse mode (no brake), the Brake Light will not on when pushing the throttle trigger forward.

Back Light Solid ON

Back up Trigger

Push the trigger forward.

/

Notes: 1. After the receiver is turned on, all the LED lights will be on for one second and then go out. 2. The steering channel (CH1)and throttle channel (CH2) are capable of automatic neutral identifying, after the trim is adjusted, the receiver should be
powered again to recognize the neutral positions of these two channels automatically. 3. If you have set the steering channel in reverse, the trigger condition for turn signal left light and turn signal right light will not be affected.

ESC & Motor Instruction
0% 50%75% 100% ( / / / ),
0% /

This receiver ESC function supports the settings of drag brake force (0%, 50%, 75% or 100%) and running mode (forward/reverse or forward/reverse/brake) at the transmitter side. See the relevant section of the transmitter manual for details.
Note: The drag brake force is set to 0% by default, and the running mode is set to forward/reverse by default.

,

1. 2. 1. 2. /

1. 2. 1. 2.

Troubles

Possible Causes

Solutions

1.The ESC has no working voltage. The motor cannot start and the LED is not

on after power on.

2. The power switch of receiver or ESC is

damaged.

1. Check whether there is any connection problem between the battery and ESC and whether there is faulty welding of the relevant plug.
2. Return to factory for inspection and treatment.

When forward the car by the transmitter, it reverse.

The throttle direction of transmitter is wrongly set.

Set throttle direction of transmitter to the opposite direction.

1. The throttle signal is lost.

1. Check the transmitter and the receiver.

The motor suddenly stops rotating during

rotation.

2. The ESC enters low/high voltage protection or overheat protection of battery.

2. Check the battery voltage and the temperature of the ESC.

When the motor starts, it accelerates rapidly, and the motor is stuck or stops.

The battery voltage is too high.

Replace the battery.

FMS-R3D

Receiver

Failsafe

· CH2 CH1CH3 CH1CH3
·

The failsafe function is used when radio signal connection is lost between the transmitter and receiver. The receiver performs channel output according to the set fail-safe value to protect the safety of the model and personnel.
· By default, the failsafe for CH2 is enabled, and the ESC will enter the brake status when the receiver is out-of-control. By default, the CH1 and CH3 are not set, and these two channels will maintain the last output in case of out-of-control. You can set the failsafe value for CH1 and CH3 at the transmitter side.
· The turn signal right light and the turn signal left light will flash slowly and simultaneously as a prompt.

· · · 90 /194 · ·
· · 1 · ·

Attention: · Make sure the product is installed and calibrated correctly, failure to do so may result in serious injury. · Please carefully check each power device and car frame instructions to ensure the power matching is reasonable before use. Avoid damaging power
system due to incorrect matching. · Do not let the external temperature of the system exceed 90 /194 , because high temperature will damage the power system. · Normally, you must power on the transmitter and then receiver, and power off the receiver and then the transmitter. · After use, remember to disconnect the battery and the ESC. If the battery isn’t disconnected, the ESC will consume electric energy all the time even if it is
off. It will discharge completely if connect the battery for a long time, thus resulting in the failure of the battery or the ESC. We are not responsible for any damage caused by this! · Make sure the receiver is mounted away from motors or any device that emits excessive electrical noise. · Keep the antenna of the receiver at least 1cm away from conductive materials such as carbon or metal. · Do not power on the receiver during the setup process to prevent loss of control. · If the throttle trim is changed on the transmitter side, the receiver needs to be re-powered to recognize the new throttle neutral. Otherwise, an exception may occur during RC car reversing.

Certifications
FCC Compliance Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Warning: changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: — Reorient or relocate the receiving antenna. — Increase the separation between the equipment and receiver. — Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. — Consult the dealer or an experienced radio/TV technician for help.
EU DoC Declaration Hereby, we declare that the Radio Equipment [FMS-R3D] is in compliance with RED 2014/53/EU.
RF Exposure Compliance This equipment complies with FCC/ISED RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body.
Environmentally friendly disposal Old electrical appliances must not be disposed of together with the residual waste, but have to be disposed of separately. The disposal at the communal collecting point via private persons is for free. The owner of old appliances is responsible to bring the appliances to these collecting points or to similar collection points. With this little personal effort, you contribute to recycle valuable raw materials and the treatment of toxic substances.

FCC ID: 2A2UNR3D00
Figures and illustrations in this manual are provided for reference only and may differ from actual product appearance. Product design and specificatiions may be changed without notice.

Documents / Resources

FLYSKY FMS-R3D 3 Channel Receiver [pdf] User Manual
R3D00, 2A2UNR3D00, FMS-R3D 3 Channel Receiver, FMS-R3D, 3 Channel Receiver, Receiver

References

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