Rx41d-22-v510 - Instructions


PRODUCT: Rx41d-v5
PROGRAMMING: v510


Outputs

Tx21

Tx22

1. DEFAULT SETUP

- Train with center off motor control intended for Tx21/Tx22.

- The 'direction' switch can control 2 lights.
- The 'bind' button can operate a servo for a coupling.
- For the Rx to work the Selecta switch has to be in the position learned during binding.

- All settings can be customised / re-configured.

Output Type Channel Other
H1: Motor 'center off' control Ch1 'speed' knob 130Hz PWM frequency
0.5A max stall current

F1: On/Off light or buzzer Ch3 'direction' switch Tx21: Right=On | Left=Off
Tx22: Up=On | Center=Off
Led needs current limiting resistor

F2: On/Off light or buzzer Ch3 'direction' switch Tx21: Left=On | Right=Off
Tx22: Down=On | Center=Off
Led needs current limiting resistor

P1: On/Off light (front) Ch3 'direction' switch Tx21: Right=On | Left=Off
Tx22: Up=On | Center=Off
P1 is also set up as 'LED2'
Led needs current limiting resistor

P2: On/Off light (rear) Ch3 'direction' switch Tx21: Left=On | Right=Off
Tx22: Down=On | Center=Off
Led needs current limiting resistor

P3: Servo for coupling Ch5 'bind' button

Selecta

Enabled

Ch2 Up to 12 locos can be associated with Selecta switch on Tx22
Outputs 'hold' their settings when deselected

Arming/Activation: Mid-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. Choose the Selecta switch position for this loco.
3. Switch Tx on in bind mode.
4. Rx led should flash slowly; wait for it to go solid.
Change distance between Tx/Rx if binding does not work.



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