DT Receiver - Rx41d-1-v503 - Instructions


PRODUCT: Rx41d-v5
PROGRAMMING: v5.0.3


Outputs

Channels

Channels

1. DEFAULT SETUP

- Train with full stick (low off) speed control using Channel 1. This is intended for 'joystick' transmitters.
- Channel 3 (up/down) is used for Direction control and momentary action on/off switching.

- Channel 2 (left right) is used to control 2 lights.
- Channel 4 (left/right) can operate a servo for a coupling.
- All outputs can be customised / re-configured.

Output Type Channel Other
H1: Motor 'full stick' control (low off) Ch1 Ch3 forward/reverse 'direction' change
(only considered and toggled when Ch1 is low)

130Hz PWM frequency
0.5A max stall current

F1: Variable intensity switch Ch3 Stick has to be held deflected left for output to stay on (center off)
Led needs current limiting resistor

F2: Variable intensity switch Ch3 Stick has to be held deflected right for output to stay on (center off)
Led needs current limiting resistor

P1: On/Off light (front) Ch2 Right >2s = toggle On/Off
P1 is also set up as 'LED2'
Led needs current limiting resistor

P2: On/Off light Ch2 Left >2s = toggle On/Off
Led needs current limiting resistor

P3: Servo for coupling Ch4

Arming/Activation: Low-stick to enable Ch1
LVC Mid-stick to acknowledge
Ch1 'LED2' 2-flash if triggered
LED2 External LED P1 Shows useful receiver activity


2. EXAMPLE CONNECTIONS:


2-way Motor (H1)

'Single' Actuator (H1)

F1 + F2 + ADD1
for extra H output

1-way Motor (F1)

Led (F2)

Led (P1)

Servo (P1)

LEDs with 1S Lipo:
Led's driven from P outputs only require a current limiting resistor (8mA max).
Led's driven from F outputs only require a current limiting resistor (2A max).

LEDs with 5-6v:
'P' outputs are 3v when 'off' and 0v when 'on'. So when used with higher voltages, the leds driven from P outputs also need diodes to reduce the voltage. This is because 5 or 6v is high enough above the 3v output to make Leds conduct even when P outputs are 'off'. An example is shown in the Led (P1) diagram.
Led's driven from F outputs only require a current limiting resistor when operated off any voltage up to 6v.

GRAIN of RICE/WHEAT:
These bulbs usually draw >8mA so are not suitable for use with P outputs (unless buffered with a transistor).
These bulbs can be driven from F outputs. F outputs allow the intensity to be varied with stick movement or 'Travel Adjust'.



3. CHANGING OUTPUTS:

PROGRAMMING




4. GENERAL:
The Rx is not insulated.
The PCB is thin so do not bend it.

5. LED:
Led On = perfect reception (real-time indicator).
1 flash = Scanning (~2sec between flashes; wrong model if never stops).
2 flash = Brownout (receiver voltage went too low; check battery/servo load).

6. FAILSAFE:
Outputs are not driven (do nothing) on startup and while scanning.
Outputs 'hold' on short signal losses (<1sec) and then do nothing (>1s).



7. BINDING:
1. Switch Rx on and wait ~20s until led flickers fast.
2. Switch Tx on in bind mode and Rx led should flash slowly and then go solid.
3. Change distance between Tx/Rx if binding does not work.



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