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need amplifier circuit for load cell output(mv) to milliamps, for giving input to the PLC

we need an IC to covert directly from millivolt to milliamps
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we need circuit diagram to covert directly from millivolt to milliamps converter
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Offline BalajiTopic starter

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PROJECT
« on: February 23, 2017, 05:27:29 am »
We need to convert load cell output (millivolt) to (4-20)milliamps, to give input to the PLC. Is there any IC Or circuit diagram to directly convert millivolt to milliamps?
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Offline Refrigerator

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Re: PROJECT
« Reply #1 on: February 23, 2017, 05:30:22 am »
I believe what you're referring to is a resistor.

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Offline bharatcs

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Re: PROJECT
« Reply #2 on: February 23, 2017, 05:47:03 am »
You mean a voltage controlled current source
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Offline rstofer

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Re: PROJECT
« Reply #3 on: February 24, 2017, 06:25:07 pm »
Why not use a manufactured item like:
http://www.omega.com/pptst/DRF-LC.html

There are many other converters, I just happened to look at Omega.
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