Learn about the 4-20mA current loop circuit and its components, a circuit used when connecting analog industrial sensors to PLCs (programmable logic controllers.
Overview
Syllabus
Introduction
- The 4-20 mA current loop circuit
- What you should know before watching
- Introduction to the 4-20 mA loop
- Industrial 4-20 mA current loop basics
- Industrial 4-20 mA current loop components
- Industrial transmitters overview
- Optional: Calculating mA current reading
- Example: Wiring a temperature sensor to the PLC
- Why start from 4 mA instead of 0 mA?
- Why choose 4 mA instead of 10 mA?
- Load resistor in a 4-20 mA current loop
- Next steps
Taught by
Zara Khalil