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Ibox to configure 16 bit analog card

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  • Ibox to configure 16 bit analog card

    Can you use the IB-462 (ANLGCMB) instruction to configure the F2-8AD4DA-1 combination In/Out analog card. If so, how do you configure the inputs for 16 bit resolution? Also, since the outputs are set at 16 bit resolution, what data format should be used when addressing these outputs?


  • #2
    Originally posted by boonejat View Post
    Can you use the IB-462 (ANLGCMB) instruction to configure the F2-8AD4DA-1 combination In/Out analog card.
    yes

    Originally posted by boonejat View Post
    If so, how do you configure the inputs for 16 bit resolution?
    you configure the module by setting the jumpers on it, the plc just accepts the data.

    Originally posted by boonejat View Post
    Also, since the outputs are set at 16 bit resolution, what data format should be used when addressing these outputs?
    this is personal preference, but I use binary (decimal) & then use the MATHBIN to scale the value, since it's 16bit. If it were 12bit, you could just use the ANSCLB.

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    • #3
      Also, are all values (Inputs & Outputs) stored in double V-memeory locations because of 16-bit resolution? I have not worked much with binary. Does the value of 65535 fit in one binary V-memory? Thanks

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      • #4
        I posted a link to a screenshot of a program where I have a DL06 with two analog cards, one 16 & the other 12 bit. Both use the analog I-Box instructions for set-up. You can see where the 16 bit has it's data in double word, and the 12 bit is single word.

        The second link shows the scaling of the 16 bit using the MATHBIN I-Box.


        http://i.imgur.com/NcGOBSI.jpg

        http://i.imgur.com/EFnFTEy.jpg

        hope this helps!


        EDIT: I just noticed the typo in the analog output description... it should have read : V430-431 for outputs...
        Last edited by scott.lawrence; 03-04-2013, 08:04 AM.

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        • #5
          Thanks for all of your help; very useful information. I will give it a try and let you know if I need any more assistance. Thanks again.

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          • #6
            FYI: http://www.hosteng.com/FAQFiles/DirectSOFT.htm#FAQ0223
            Greg Kiser
            Hos Engineering, Inc.
            support@hosteng.com
            http://forum.hosteng.com
            This isn't all true.

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