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Thread: Connecting a RS485 DO sensor

  1. #1
    Join Date
    20.11.2023
    Posts
    4

    Default Connecting a RS485 DO sensor

    Hi everyone,

    I would like to know if it is possible to connect an optical Dissolved Oxygen sensor (RS485 type) to Profilux 4.
    If so, how can it be done?
    Thank you!

    Joao

  2. #2
    Join Date
    10.10.2013
    Posts
    987

    Default

    Hello,

    No. Sorry.

    Gaël
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  3. #3
    Join Date
    20.11.2023
    Posts
    4

    Default

    Thank you Gaël!
    Optical DO sensors are the most reliable and that is what I need to use.
    What is the type of DO sensor from GHL?
    What is the RS485 extension card for? Doesn’t it allow to connect this type of sensors?
    I’m using a permanent multiparameter system that uses RS485 MODBUS communication protocol. Can I connect it to Profilux 4 to transfer real time data from my DO sensor?
    Thank you!

  4. #4
    Join Date
    10.10.2013
    Posts
    987

    Default

    GHL's DO sensor type is amperometric (Clark).
    The RS485 card is a communication card for the GHL Control Center/ ProfiLux Control software only. It does not allow communication with a third-party device.
    I'll pass on your comments to our development department regarding Optical DO sensors.

    Gaël
    No support or warranty issues over PM!
    Please send PMs to the moderators only if you have general problems with using the forum! Thanks for helping us to keep the support efficient.

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  5. #5
    Join Date
    20.11.2023
    Posts
    4

    Default

    Thank you, Gaël. I appreciate you doing that!

  6. #6
    Join Date
    18.02.2009
    Location
    Kaiserslautern
    Posts
    7,709

    Default

    Hi,

    meanwhile the situation changed. There is a growing demand of mostly professional users who want to connect digital sensors, such as DO, DCO2, turbidity, etc. to our ProfiLux (or ProfiLux IL) system.
    These customers come mostly from aquaponics, aquaculture, hydroponics and public aquariums.

    Therefore our RS485 card can be used. We are currently working on the software (firmware in ProfiLux, app, GHL Control Center, web interface, cloud) to support these sensors, using the MODBUS protocol.
    That's why we recently renamed the extension card to PLM-RS485/MODBUS.

    Let us discuss your needs and the next steps of our cooperation directly.
    No support or warranty issues over PM! Please send PMs to the moderators only if you have general problems with using the forum! Thanks for helping us to keep the support efficient.
    Kein Support oder Reklamationsabwicklung über PM! Bitte senden Sie an die Moderatoren nur PMs bei allgemeinen Problemen mit der Verwendung des Forums! Danke dass Sie uns dabei helfen, den Support effektiv zu gestalten.

  7. #7
    Join Date
    20.11.2023
    Posts
    4

    Default

    Hi Matthias,

    That is our need! We work with aquaponics and RAS. I will follow the communication straight with you.
    Thank you!

    Kind regards

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