January 5, 2019

RCV420 PDF

Hi, I want to get a V input into an Arduino from a VEGA BAR14 pressure sensor which outputs mA. Yes I know I can convert to V. Texas Instruments RCV Linear – Amplifiers – Instrumentation, OP Amps, Buffer Amps parts available at DigiKey. You can make a single-supply current loop receiver with the RCV by using its 10V reference as a pseudo ground. The RCV will convert a mA loop.

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gcv420 Can someone please explain with more than one sentence? And, yes; regarding the negative output; from the circuit diagram I expected to see negative for a negative flow; but since it didn’t explicitly say that in the actual rfv420.

Ask a new question Ask a new question Cancel. The newly created question will be automatically linked to this question. That will affect the necessary connections around the RCV Mentions Tags More Cancel. We are glad that we were able to resolve this issue, and will now proceed to close this thread.

Use of the information on this rcg420 may require a license from dcv420 third party, or a license from TI. I’ve corrected the model, see below and attached. Thought I had the right pin outs to this but I evidently don’t have the correct definition for this sensor.

Thank you for your help in this matter. Content on this site may contain or be subject to specific guidelines or rc420 on use.

I just want to understand what each pin does, not enter into a why discussion. Jan 24, 6: The powersupply has 3 rails. Content on this site may contain or be subject to specific guidelines or limitations on use. In the later post is sounds like you had a connection issue so I’ll disregard this comment. Sep 9, 7: Thanks Again, John W. Using the RCV as in the datasheet:.

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RCV Datasheet pdf – Precision 4mA to 20mA CURRENT LOOP RECEIVER – Burr Brown

The output goes zero for 0 mA. Also in this post you mentioned that the sensor output around mA, causing the RCV output to saturate to around I think Fig 8. Do you have another question? All postings rccv420 use of the content on this site are subject to the Terms of Use of the site; third parties using this content agree to abide by any limitations or guidelines and to comply with the Terms of Use of this site.

If current is flowing the opposite was as intended – is this ‘normal’?

I suppose we can put some clamping diodes on this so we don’t accidentally zap our host processors ADC port s. Best regards, Ian Williams.

RCV420: RCV420 – Output Reading Negative

Just want to understand why you did that in your simulation model. Yes I know I can convert to V simply using a resistor.

Do you have another question? I moved your post to a new thread because it started a new topic regarding the fault protection discussed in SBVA The model uses an rv420 op amp so you’ll be able to achieve output voltages and currents that are unachievable with the op amp inside the RCV Content on this site may contain or be subject to specific guidelines or limitations on use.

Thanks, useful to know. Jan 8, 8: In reply to Collin Wells: From you first post you mention that the output is negative if the direction of current changes. Jan 10, 3: The newly created question will be automatically linked to this question. That other thread is also very helpful, I will try that too. TI, its suppliers and providers of content reserve the right to make corrections, deletions, modifications, enhancements, improvements and other changes to the content and materials, its products, programs and services at any time or to move or rxv420 any content, products, programs, rdv420 services without notice.

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Mentions Tags More Cancel. Let me summarize your rfv420, please confirm if I’m understanding you correctly. And there’s no VMax? What is the purpose of the two capacitors in fig 8?

Furthermore this product was released in the late 80’s, a time where logic levels and common supply voltages were much different than they often are now.

TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose rcv240 disclaim all warranties and conditions with regard to these materials, rcf420 but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right.

Jan 22, 2: Can I use the same 24v supply I am using for the sensor, with a common ground? TI, its suppliers and providers of content reserve the right to make corrections, deletions, modifications, enhancements, improvements and other changes to the content and materials, its products, programs and services at any time or to move or discontinue any content, products, programs, or services without notice.

If you have further questions related to this thread, you may click “Ask a related question” rcv4420. Ask a new question Ask a new question Cancel.