How do I bring a 4-20 mA signal into a computer?

Document ID

Document ID TE3840

Version

Version 1.0

Status

Status Published

Published Date

Published Date 09/14/2016
Question
How do I bring a 4-20 mA signal into a computer?
Summary
Convert signal from 4-20 mA to Modbus communication.
Answer
If you are sending a 4-20 mA signal to a computer from a CL17/ P53 or similar device that outputs a 4-20 mA signal you will need part number an Acromag (Catalog Number/ Order Code 5439600). This is a Modbus 485 analog current loop input module. You will also need an RS485-232 converter. This converter comes with USB termination or 232 termination. These are connected with the two conductor wire with shield.
 

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