4–20 mA wiring diagram • Erqos Technologies

EQSP32 IIoT Logic Controller connected to a loop-powered 4–20 mA pressure sensor on a stainless-steel process line. The image illustrates how two-wire analog sensors interface with EQSP32 for industrial measurement and control. Shows signal waveform representing current loop output for process monitoring and IIoT applications.

How Two-Wire 4–20 mA Loop-Powered Current Sensors Work

October 31, 2025

by Ermis Stouraitis with No Comment Educational

Learn how two-wire 4–20 mA loop-powered sensors work and how the EQSP32 Micro-PLC reads precise analog signals for industrial IoT applications.