4-20mA to 1-5V Signal Conversion

Converting from 4-20mA to 1-5V is a common method to read and convert the 4-20mA output signal.

Typically the 4-20mAoutput signal is used for its excellent long cable run capabilities and interference immunity. However when it is time to actually read the signal and quantify it converting the 4-20mA to 1-5V is commonly done.

Convert with a Resistor Method
- Where to place the resistor?
Products to convert 4-20mA to 1-5V
4-20mA to 1-5V converter tool

Convert with a Resistor Method

Use a 250R resistor in series with the Negative output wire of the 4-20mA output and 0V as shown below. The Resistor will induce a voltage drop across it that is proportional to the 4-20mA signal.

Where to place the resistor?

Image to the left demonstrates where the Resistor goes to convert 4-20mA to 1-5V

Products to convert 4-20mA to 1-5V

ISOCON 4-20mA to 1-5V Signal Converter

To convert the 4-20mA to 1-5V with a signal converter the ISOCON isolating signal converter can convert a 4-20mA current loop input signal to a 1-5V output signal.

The ISOCON is designed to be mounted using TS35 DIN rail.