Researchers have discovered a design flaw lets anyone carry out commands without authentication on software called CoDeSys, which is widely used in industrial controls Researchers have discovered a ...

AutomationDirect’s new eBook, “PLC Handbook: A Practical Guide to Programmable Logic Controllers” is now available as a free download. Designed as an easy-to-read guide for users new to PLCs, this ...

In part one of this series, we looked at the PLC’s internal architecture, briefly discussed Ladder Logic programming, Human-Machine Interfaces, advantages of the PLC’s ability to react consistently ...

There are various approaches to developing programmable logic controller (PLC) applications using experimental techniques. Modifying existing PLC ladder logic programs is another common approach ...