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Connecting LCL-040 to ad7730 — Parallax Forums

Connecting LCL-040 to ad7730

azraelazrael Posts: 4
edited 2006-09-27 15:14 in BASIC Stamp
Dear Forum,

Can anybody tell me how to connect a
Full Bridge Thin Beam Load Cells for Loads 1/4 to 40 LB
to a AD7730.
I have the code and a connection scheme for connecting the AD7730 to BS2 by mohammed.
I am also using an op-amp ( Op213) to increase the input.
Please advise.
Data sheets
Load cell- http://www.omega.com/Pressure/pdf/LCL.pdf
op amp- http://www.analog.com/UploadedFiles/Data_Sheets/168101411AD7730_7730L.pdf


Aaron

Comments

  • Mohamed RefkyMohamed Refky Posts: 47
    edited 2006-09-27 15:14
    Hello,

    LCL is a four wire load cell

    For single supply operation (unipolar)

    Load Cell······················· AD7730

    RED=+EXC····················· +5V
    BLACK=-EXC···················AGND
    GREEN=+SIGNAL············· AIN1 (+)
    WHITE=-SIGNAL············· AIN1 (-)
    ···································REF IN (+) ---->+5V
    ·································· REF IN (-) ----> AGND


    Mohamed Refky
    ···································
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