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Old July 31st, 2020, 01:41 PM   #1
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Dariusincj is offline
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Omega DMD4059 load cell conversion

I'm searching around trying to find an equation i can punch into my AB 1769 processor. I have a 4-20mA input card, that is connected to an Omega DMD4059 signal conditioner that has a 0-10v input on that. Wasn't sure if i should just convert the 0-10v into a 4-20mA and then convert that into my load cell min/max weight allowed? Any thoughts?
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Old July 31st, 2020, 02:07 PM   #2
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saultgeorge is offline
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Hi, I did a few projects recently with a lot of analog I/O. I didn't think one could mix units--V and mA. I've had a few customers who had V or mA capability on the same analog input card, meaning one could wire to volts or mA. You may have seen those. I know I had voltage inputs on say a valve position, and mA inputs on temp sensors. And on those dual purpose cards I could land both on the same card. You might look into that. Hope this helps.
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Old July 31st, 2020, 02:09 PM   #3
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drbitboy is offline
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does the signal conditioner convert 0V to 4ma, and 10V to 20ma, i.e. it is set to "AO7I" via switches BCDE?

Are the load cell engineering units linear with its 0-10V signal?

What are the raw PLC values that correspond to 4ma and 20ma?

What are the load values that correspond to 0V and 10V at the load cell?

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