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Radio control system

view of the AUTOMO5 labelbe easy tx
I decided to write this article concerning the radio control system of my awning ( 5x3m Sunstyl model bought from Leroy Merlin in 2003 ) because of the almost non-existent information concerning it. However, and after long and laborious research, I was able to glean the following.
First of all, identification of the constituent elements:
The box which houses the power electronics has an identification label identical to the one presented above.

Decryption : The word AUTOMO5 does not mean anything in particular, it is only a name. The part surrounded by red informs about the electrical characteristics of the product, in particular the double electrical insulation ( transformer ... ) symbolized by the two squares one inside the other, then the operating voltage and its frequency, and finally the power consumed.
The part circled in yellow provides the maximum characteristics admissible by the device, namely 500W of power switched by the relays. This gives a maximum current of about 2A at 230V.
description of the insulation part label ...description of the power part label ...description of the label CE notification part ...


Finally, the part circled in green indicates that the manufacturer has filed a declaration of conformity with the law on radio and telecommunications terminal equipment (FTEG) and with directive 1999/5 / EG (R & TTE).
The term CE0536 means that the device has undergone radio tests not described ( or not defined ) in the harmonized standards.

0536 = "identification number of the notified body involved in the conformity assessment procedure"
= "alert symbol" indicating incomplete harmonization of the frequency band which will result in limitations on the use of the equipment concerned

( source : Regulatory Authority for Electronic Communications and Posts )


partial view of the remote control printed circuit ...
The small control box has three buttons, one of which is unused, and includes a transmitter operating at the frequency of 433.92 MHz. On the printed circuit, it is possible to read the following inscription: TXS2121
A search on the net using a search engine allowed me to discover its origin. The manufacturer is said to be Italian, and has a website . Thus we discover that it is a remote control with transmission of a 12-bit code. By clicking on this link, you will be able to download the descriptive page of this device .

motor wiring drawing ...For those who would have difficulty reconnecting their motor, I made a small sketch for them. This will allow them to remove any ambiguity as to its correct wiring, which could for example result in a reversal of the directions of rotation and beyond a descent of the awning instead of a rise ...
I offer you some photos that I took from my equipment:

dscn4545 [240x133]internal view of the engine control unit ...

The open case offers the mainplate, which is also very well made.
Two remarks:

  1. The gray wire which overhangs the plate perpendicular to the small module ( 433.92MHz receiver ) is the antenna, avoid modifying its shape, at the risk of losing reception range!
  2. The two white relays are used to control and reverse the motor. Be careful therefore, presence of the 230V sector!
Its wiring does not present any particular difficulty, except to pay attention to the colors of the wires ... The motor has two windings in common. This is the reason for the three-conductor cable that connects it to the turntable. There remains however a fourth of yellow / green color, it is the earth. A link is essential because it serves to protect the electrical system of your home in case of failure!

dscn4546 top [240x60] image of the power_bottom circuit ...

This is the plate of the small transmitter, where we can distinguish at the top the surface wave filter ( round metal case ... ), the 3 push buttons allowing to control the receiver via 3 channels, the 2 configuration jumpers (J1 / J2), and the 10 coding switches (SW1). Everything is detailed in this document in PDF format .

image of the transmitter (top) ... image of the transmitter (bottom) ...

PROGRAMMING
By acting on the 10 switches of SW1, by moving them to the “ON” or “OFF” position, the desired code is selected. A particular code must correspond to the code memorized on the receiver.
Standard manufacturing configuration: odd "ON", ie the following code: 1010101010
It is normally not necessary to modify the position of the switches of SW1, but if your blind is inadvertently operated either by shutters or the blind of your close neighbor .
In this case, you can modify the code of your remote control, here is the procedure that I tested on mine:

  1. Open the case of the remote control, and change the position of one or more of the 10 switches ...
  2. Cut the power supply to your awning for a few seconds ...
  3. Re-power your awning ...
  4. Press one of the 2 keys ( up or down ) until the awning "recognizes" the new code, it's almost immediate ...
  5. Close your remote control, the operation is finished!
  6. possibly, start again from point 2 if the problem persists ...
 
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