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Circuit design 4-20mA Simulator created by Edgard Pinheiro with Tinkercad.
23 paź 2024 · We mentioned that 4-20mA transducers can be loop-powered. Figure 2 shows a simplified diagram of how this can work. A voltage to current converter converts the sensor output to a 0 to 16mA current. In parallel a fixed 4mA current source provides the power supply via a shunt regulator.
19 lip 2017 · The most common standard is the 4-mA-to-20-mA current loop, and here we’ll take a look at how it came to be, how it works, and how you can leverage this basic process control...
I'd like to run some tests by using 4-20mA sensors outputs, by somehow connecting them to my PC (and eventually run some analysis on the collected data). I'm looking for a converter (that can perhaps be plugged in via USB), or some other interface method to my PC / Laptop. Any suggestions?
The circuit shown is pretty simple. A resistor array made of multiple resistor (parallel and series) to make 3 equivalent resistors for the chosen RTD transmitter lower, mid, and max current points. in this example the transmitter range was from -50 C to 150 C (mid value 50 C).
9 lis 2020 · Programmable 2-Wire 4-20mA Design. The 4-20mA transmitter has become entrenched as popular method for interfacing between control systems and I/O. In this article, Mandar provides an in-depth look at 4-20mA transmitter technologies, including a deep dive into his test board design.
4 sty 2015 · I'm trying to create a simple 4-20mA current loop simulator that I can control using a potentiometer. The idea is to hook up this circuit to an Arduino and use the Arduino's analog input to read in the current loop (by converting it into a 1-5V signal using a 250 ohm resistor).
