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Modbus USB-RS485 Help

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  • Heychristian
    replied
    i am not familiar with RS485 programming, and i have a dimmable transformer that has 3 lines in for RS485 control. i prefer to use a ZeeS2 but can use windows 10 HomeTroller if needed. i have a USB-to-RS485 adapter. can anyone advise how i can have Homeseer send the following RS485 command to the transformer, which steps down the voltage from 110 volts to 45 volts: thanks in advance, Chris
    Send: 01 10 15 02 C2 01 F5 65

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  • Pentim
    replied
    Content removed.

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  • omlnja
    replied
    I do also get this problem on Raspberry PI. Trying to move from Windows to Raspberry and need to get this working. Any updates?

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  • Pentim
    replied
    Hi!

    Any update regarding the linux support? I love linux and really would like to stay with it and don't move to windows.

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  • Guest's Avatar
    Guest replied
    Has anyone experienced the same issue / found a solution ?

    Hello.
    I have the same issue with Ubuntu. Plugin worked in Windows, however in Linux i get error 'Method not found'.

    Has anyone found how to solve this problem ?

    Thanks

    Leave a comment:


  • Matt Powell
    replied
    Originally posted by beerygaz View Post
    Matt, I've not forgotten about this, I'm about to release an updated version of the plugin, I'll confirm Linux support shortly.
    I changed my system over to windows any everything worked perfect

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  • beerygaz
    replied
    Matt, I've not forgotten about this, I'm about to release an updated version of the plugin, I'll confirm Linux support shortly.

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  • beerygaz
    replied
    Hi Matt. I need to set up a Linux box and do some testing to check this.


    Sent from my iPhone using Tapatalk

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  • Matt Powell
    replied
    I dont know if this will help put a finger on the issue ?
    Attached Files

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  • Matt Powell
    replied
    This is the message i am getting.
    Attached Files

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  • Matt Powell
    replied
    Sorry i should of said i am using the Pi3 Homeseer box!

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  • Matt Powell
    replied
    Should it say COM* ? as i have tried several i have and they do not come up with com* only this picture i have attached.

    would this mean the kernel can see it but there is no drivers?
    Attached Files

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  • beerygaz
    replied
    Yup, as long as it creates a cOM port you're good. Then you just need to convert to RS485 signalling. I have seen some RS485 to USB adapters out there but can't recall where, eBay perhaps. There are some Ethernet to RS485 devices on the market too.

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  • Matt Powell
    replied
    Great thanks. Should any USB/RS232 adapter work plug and play?

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  • beerygaz
    replied
    I lied, I'm using a USB/RS232 adapter, and then an RS232 to RS485 converter on the end of it.

    http://www.usconverters.com/rs232-rs...6b590e624f7dde

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