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Internet module ecoNet 300 and ecoLINK2

jamrjan 176430 671
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  • #661 21815976
    SławekSS
    Level 24  
    Mr3020 is TpLink and plum does not use the modbus protocol.

    In general you can connect any rs485 converter, it is a matter of software and knowing the protocol which plum has not published anywhere. Some people using reverse engineering have done this.
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  • #662 21816355
    jedrzejmichalak
    Level 3  
    Hi, does anyone know if the EcoMAXX800 R2 controller is compatible with ecoNet300?
    I'm asking because I've embraced an EcoNeta300 clone on an MR3020 V3.2. I've connected it to the local network and it works cool and over LAN and over WiFi, but unfortunately it doesn't generate the correct UID. On the EcoNeta configuration page in the browser on the PC it shows a UID of only 4 characters, above the ID of 6 characters and that's it. In the control panel next to the controller in the information there are two tabs with information about the status of the connection to the network and to the PLUMa server, but there is no UID anywhere.
    I have the converter on the FTDI FT232RL. The LEDs on the MR3020 are on.
    I have the software in EcoNet300 with 3.2.3875
    Software versions:
    Panel V.01.20.22.A1
    Module A V.01.31.23.G1
    I have the adapter plugged into D and D- on the G1 connector, where the panel is.
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  • #664 21816368
    SławekSS
    Level 24  
    jedrzejmichalak wrote:
    Hello, does anyone know if the EcoMAXX800 R2 controller is suitable for use with ecoNet300 ?

    "IS APPLICABLE TO THE CONTROLLER:
     boiler, series: ecoMAX800 (excluding ecoMAX800R1,T1), ecoMAX850, ecoMAX860, ecoMAX910/920
     solar heaters: ecoSOL301/400
     heat pumps, series: ecoTRONIC100/200
     ventilation, series: ecoVENT"
  • #665 21816384
    jedrzejmichalak
    Level 3  
    >>21816368
    Yes, I know, I have also read the EcoNET300 manual from Plum. In that case, is there any option to update the controller and panel software?
  • #666 21816391
    SławekSS
    Level 24  
    first try swapping the A and B(D+, D-) cables at the econet.
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  • #667 21816398
    jedrzejmichalak
    Level 3  
    Checked: with reverse connection, there is no communication at all.


    and is there anyone on the forum whose EcoMAXX800R2 works with Econet300 and EcoLink2?
    I'm wondering if this version of ecomax will generate the UID, I'm running out of ideas already and I've already spent so much time on this that it would be a shame to let it go at this point.
    The FTDI adapter is connected fine, this is confirmed by the fact that when I connect the ecomax to the PC via the ftdi adapter the ecoupdater program reads the driver and panel information correctly, I upload the screenshots
    Internet module ecoNet 300 and ecoLINK2 Internet module ecoNet 300 and ecoLINK2 Internet module ecoNet 300 and ecoLINK2
  • #668 21823111
    pawlus1841
    Level 2  
    Good morning. I made myself an econet clone. I wanted to connect to the cooker and found that I have nowhere to connect it😃. I have a room thermostat connected. Does this mean I need to buy a B module still?
    Attachments:
  • #669 21823113
    SławekSS
    Level 24  
    you want them to help you and you sell images for points.
  • #670 21823114
    pawlus1841
    Level 2  
    Sorry, I thought it was the file numbering. I have already changed

    Edit. okay now i know, i need this EL2adapter yes ?
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  • #671 21823128
    SławekSS
    Level 24  
    connect under the G2 socket in parallel with the panel. You will need an RJ11 connector/adapter



    Diagram showing control panels connected to ecoMAX via COM port and RJ11 adapter

    Your G2 is in the image of COM
  • #672 21823145
    Pisklak1977
    Level 11  
    >>21823111
    Connect this in parallel to Econet via usb->rs485 to D+ and D-

    Or as Slawek described via rj tee
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Topic summary

The discussion centers on the ecoNet 300 internet module and the ecoLINK2 interface used for communication with central heating controllers, particularly Plum-manufactured ecomax series boilers. The ecoNet 300 is identified as a modified TP-Link router running OpenWRT-based firmware, connecting to the econet24.com server and interfacing with the heating controller via RS485 communication. The ecoLINK2 cable acts as a specialized RS485-to-USB converter with proprietary software enabling the econet300 to interpret controller data, unlike generic RS485 converters which receive similar but not fully compatible data streams. Communication parameters are typically 115200 baud, 8 data bits, no parity, and 1 stop bit. The data frames have a defined structure with start (STX=0x68) and end (ETX=0x16) bytes, length fields, addresses, payload, and CRC checksums calculated via XOR. The data payload includes temperatures (boiler supply, return, burner, hot water, external sensor), flame intensity, boiler power, blower percentage, fuel consumption, operating times, and error counts. Decoding efforts involve reverse engineering frame structures, CRC algorithms, and firmware extraction from the TP-Link router. Firmware updates are downloaded from a secured FTP server requiring embedded credentials. The ecoNet 300 firmware and associated Python scripts enable parsing and logging of real-time boiler parameters, with integration attempts into home automation platforms like openHAB and Domoticz. Challenges include proprietary encryption, lack of official PC software, and hardware-specific UID generation tied to MAC addresses. Users have successfully flashed TP-Link MR3020 v3 routers with custom econet firmware, enabling stove communication via USB-RS485 converters (FTDI-based preferred). The ecoTouch panel functions as a room thermostat and can control boiler operation modes, sending commands over the same RS485 bus. Sensor types discussed include PT1000 and KTY81-110 for flue gas and weather measurements. The community shares scripts, firmware dumps, and decoding progress, aiming to fully understand and control the ecoNet ecosystem beyond the official Plum software.
Summary generated by the language model.
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