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4-20ma control — Parallax Forums

4-20ma control

ArchiverArchiver Posts: 46,084
edited 2000-06-08 06:23 in General Discussion
I am really new to using stamps, does anyone have a suggestion on how to use
a stamp to drive a 4-20ma signal in a 24vdc control loop?





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Comments

  • ArchiverArchiver Posts: 46,084
    edited 2000-06-08 06:23
    Hey Drew,

    I'm currently using an Analog Devices AD694 4-20mA Transmitter I.C.
    which has either a 0-2Volt or 0-10Volt full scale input as the control
    signal. Love the I.C. - its output is extreemly stable. I haven't
    interfaced it to a BS2 as yet, but believe that the 0-2V or 0-10V control
    signal could be generated from the BS2 via a D/A converter. Try Maxim at
    www.maxim-ic.com they have an incredible variety of micro-controler
    interface products.

    Hope this helps - let me know,

    Tim

    Original Message
    From: drew gunder <agwat111@e...>
    To: basicstamps@egroups.com <basicstamps@egroups.com>
    Date: Wednesday, June 07, 2000 12:38 PM
    Subject: [noparse][[/noparse]basicstamps] 4-20ma control


    >I am really new to using stamps, does anyone have a suggestion on how to
    use
    >a stamp to drive a 4-20ma signal in a 24vdc control loop?
    >
    >
    >
    >
    >
    >_______________________________________________________
    >Get 100% FREE Internet Access powered by Excite
    >Visit http://freelane.excite.com/freeisp
    >
    >
    >
    >
    >
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