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PLCHobbyist

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Posts posted by PLCHobbyist

  1. Communication with a V120-R1

    in Vision & Samba PLC + HMI Controllers & VisiLogic Software

    Posted

    Hello,

    I want to use my V120-R1 to read and display the serial data sent from my Qkits VK011 thermometer.

    I know that i have to use the "Protocol scan" FB but i don't understand how to configure it.

    There is 2 COM ports on the PLC; does these ports correspond with COM 1 and COM 2 or they are assignable? If yet, how can i do that?

    Here is the data that came out from the VK011, as it appears on a sniffer program:

    0A0D

    QKits.com0A0D

    0A0D

    0A0D

    Sensor 1,+22.50 , DegC, 0A0D

    Sensor 4,-02.13 , DegC, 0A0D

    Sensor 1,+22.50 , DegC, 0A0D

    Sensor 4,-02.13 , DegC, 0A0D

    Does somebody can help me?

    Thank you!

  3. Celcius to Fareheit conversion

    in Jazz, M91 PLCs and U90Ladder

    Posted

    Hello,

    I'm using a M90-R1 PLC.

    A section of my application is used to convert degrees Celciust o Fareheit. The formula is Tf = (9/5)*Tc+32.

    Is the M90 can handle numbers with decimals? For the 9/5, since the result is 1,8 i used an integer number 2 for the calculation... It give a approximate conversion...

    How can i improve it?

    Thank you for your help!

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