I/O modules are building blocks of industrial control systems used in end equipment such as PLC (Programmable Logic Controllers), PAC (Programmable Automation Controller) and DCS (Distributed Control ...

This product training module, provided by Digi-Key and Texas instrument, discusses Texas Instrument’s I/O Module Solutions for PLC. It will cover the flow of Factory Automation and the I/O modules ...

In the previous two issues of this newsletter, we looked at troubleshooting digital input modules. Basically, we looked for the presence or absence of a voltage. With analog modules, it's trickier ...

Harkening back to its roots as “PLCDirect,” AutomationDirect has released the Click PLC, the first in a new generation of micro brick PLC components. Pricing starts at $69 and the unit has stackable I ...

In our previous issue, we said a digital output module could be tested by using the PLC logic to force the output on and off then and observing the module’s response In our previous issue, we said a ...

By marrying intrinsically safe data acquisition with IoT connectivity and power-aware design, modern I/O systems are enabling ...

Get insights into why the seemingly contradictory approach of using remote I/O in main control enclosures makes sense in many industrial applications. Learn how remote I/O modules have become more ...

The PuffinPLC Project is an effort to produce a Linux-based GNU Public Licensed Programmable Logic Controller (PLC). PLCs were developed in the 1960s to replace the complex electrical relay circuits ...

An HVAC company in search of modern machine-control advantages finds an Arduino-compatible open PLC controller is the solution. Like many modern-day makers and hobbyists, I have always been inspired ...