Beckhoff Enhances Performance of EtherCAT Terminals With New Generation of Analog I/O Terminals in Compact, High-Density Housings

SAVAGE, Minnesota, Jan. 22, 2026 — Beckhoff is significantly enhancing the performance of the EtherCAT Terminals with a new ...
EDN

The basics of 4-20mA current loop transmitters

Editor’s note: This month we are pleased to have Colin Wells from Texas Instruments as our blogger. In modern industrial control systems, 4-20 mA current-loop transmitters remain one of the most ...
EDN

PWM-controlled 4-20 mA current-loop transmitter provides galvanic isolation

The accuracy of a 4-20 mA transmitter depends on the integrity of its current-loop path, which must be free of shunt paths and ground loops, both within the transmitter and external to it. External to ...
Hackaday

The 4-20 MA Current Loop

The I/O capabilities built into most microcontrollers make it easy to measure the analog world. Say you want to build a data logger for temperature. All you need to do is get some kind of sensor that ...