After more than a decade of articles touting the benefits of PC-based control over programmable controllers and predictions of the PLC's demise, this much is clear: both PCs and PLCs have their place ...
Version 2.0 of Unity Pro is IEC 61131-2 PLC programming, debugging, and operating software for Modicon programmable-logic controllers. Enhancements include reduced file sizes, new hot-standby ...
There are various approaches to developing programmable logic controller (PLC) applications using experimental techniques. Modifying existing PLC ladder logic programs is another common approach ...